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Merge branch 'xfs-da-geom' into for-next

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tirimbino
Dave Chinner 11 years ago
parent b70f14e1ff 35f46c5f04
commit 8612c7e594
26 changed files with 819 additions and 778 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 17
      fs/xfs/xfs_attr.c
  2. 184
      fs/xfs/xfs_attr_leaf.c
  3. 3
      fs/xfs/xfs_attr_leaf.h
  4. 1
      fs/xfs/xfs_attr_list.c
  5. 55
      fs/xfs/xfs_attr_remote.c
  6. 3
      fs/xfs/xfs_bmap.c
  7. 65
      fs/xfs/xfs_da_btree.c
  8. 20
      fs/xfs/xfs_da_btree.h
  9. 36
      fs/xfs/xfs_da_format.c
  10. 154
      fs/xfs/xfs_da_format.h
  11. 132
      fs/xfs/xfs_dir2.c
  12. 30
      fs/xfs/xfs_dir2.h
  13. 88
      fs/xfs/xfs_dir2_block.c
  14. 80
      fs/xfs/xfs_dir2_data.c
  15. 200
      fs/xfs/xfs_dir2_leaf.c
  16. 188
      fs/xfs/xfs_dir2_node.c
  17. 138
      fs/xfs/xfs_dir2_priv.h
  18. 142
      fs/xfs/xfs_dir2_readdir.c
  19. 18
      fs/xfs/xfs_dir2_sf.c
  20. 4
      fs/xfs/xfs_fsops.c
  21. 2
      fs/xfs/xfs_log_rlimit.c
  22. 16
      fs/xfs/xfs_mount.c
  23. 12
      fs/xfs/xfs_mount.h
  24. 1
      fs/xfs/xfs_symlink.c
  25. 3
      fs/xfs/xfs_trans_resv.c
  26. 5
      fs/xfs/xfs_trans_space.h

17
fs/xfs/xfs_attr.c
Unescape View File

@ -88,6 +88,7 @@ xfs_attr_args_init(
return EINVAL;
memset(args, 0, sizeof(*args));
args->geo = dp->i_mount->m_attr_geo;
args->whichfork = XFS_ATTR_FORK;
args->dp = dp;
args->flags = flags;
@ -173,12 +174,10 @@ xfs_attr_calc_size(
* Determine space new attribute will use, and if it would be
* "local" or "remote" (note: local != inline).
*/
size = xfs_attr_leaf_newentsize(args->namelen, args->valuelen,
mp->m_sb.sb_blocksize, local);
size = xfs_attr_leaf_newentsize(args, local);
nblks = XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK);
if (*local) {
if (size > (mp->m_sb.sb_blocksize >> 1)) {
if (size > (args->geo->blksize / 2)) {
/* Double split possible */
nblks *= 2;
}
@ -864,7 +863,7 @@ xfs_attr_leaf_get(xfs_da_args_t *args)
}
/*========================================================================
* External routines when attribute list size > XFS_LBSIZE(mp).
* External routines when attribute list size > geo->blksize
*========================================================================*/
/*
@ -897,8 +896,6 @@ restart:
state = xfs_da_state_alloc();
state->args = args;
state->mp = mp;
state->blocksize = state->mp->m_sb.sb_blocksize;
state->node_ents = state->mp->m_attr_node_ents;
/*
* Search to see if name already exists, and get back a pointer
@ -1076,8 +1073,6 @@ restart:
state = xfs_da_state_alloc();
state->args = args;
state->mp = mp;
state->blocksize = state->mp->m_sb.sb_blocksize;
state->node_ents = state->mp->m_attr_node_ents;
state->inleaf = 0;
error = xfs_da3_node_lookup_int(state, &retval);
if (error)
@ -1168,8 +1163,6 @@ xfs_attr_node_removename(xfs_da_args_t *args)
state = xfs_da_state_alloc();
state->args = args;
state->mp = dp->i_mount;
state->blocksize = state->mp->m_sb.sb_blocksize;
state->node_ents = state->mp->m_attr_node_ents;
/*
* Search to see if name exists, and get back a pointer to it.
@ -1431,8 +1424,6 @@ xfs_attr_node_get(xfs_da_args_t *args)
state = xfs_da_state_alloc();
state->args = args;
state->mp = args->dp->i_mount;
state->blocksize = state->mp->m_sb.sb_blocksize;
state->node_ents = state->mp->m_attr_node_ents;
/*
* Search to see if name exists, and get back a pointer to it.

184
fs/xfs/xfs_attr_leaf.c
Unescape View File

@ -80,11 +80,12 @@ STATIC int xfs_attr3_leaf_figure_balance(xfs_da_state_t *state,
/*
* Utility routines.
*/
STATIC void xfs_attr3_leaf_moveents(struct xfs_attr_leafblock *src_leaf,
STATIC void xfs_attr3_leaf_moveents(struct xfs_da_args *args,
struct xfs_attr_leafblock *src_leaf,
struct xfs_attr3_icleaf_hdr *src_ichdr, int src_start,
struct xfs_attr_leafblock *dst_leaf,
struct xfs_attr3_icleaf_hdr *dst_ichdr, int dst_start,
int move_count, struct xfs_mount *mp);
int move_count);
STATIC int xfs_attr_leaf_entsize(xfs_attr_leafblock_t *leaf, int index);
void
@ -711,6 +712,7 @@ xfs_attr_shortform_to_leaf(xfs_da_args_t *args)
memset((char *)&nargs, 0, sizeof(nargs));
nargs.dp = dp;
nargs.geo = args->geo;
nargs.firstblock = args->firstblock;
nargs.flist = args->flist;
nargs.total = args->total;
@ -805,18 +807,18 @@ xfs_attr3_leaf_to_shortform(
trace_xfs_attr_leaf_to_sf(args);
tmpbuffer = kmem_alloc(XFS_LBSIZE(dp->i_mount), KM_SLEEP);
tmpbuffer = kmem_alloc(args->geo->blksize, KM_SLEEP);
if (!tmpbuffer)
return ENOMEM;
memcpy(tmpbuffer, bp->b_addr, XFS_LBSIZE(dp->i_mount));
memcpy(tmpbuffer, bp->b_addr, args->geo->blksize);
leaf = (xfs_attr_leafblock_t *)tmpbuffer;
xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
entry = xfs_attr3_leaf_entryp(leaf);
/* XXX (dgc): buffer is about to be marked stale - why zero it? */
memset(bp->b_addr, 0, XFS_LBSIZE(dp->i_mount));
memset(bp->b_addr, 0, args->geo->blksize);
/*
* Clean out the prior contents of the attribute list.
@ -838,6 +840,7 @@ xfs_attr3_leaf_to_shortform(
* Copy the attributes
*/
memset((char *)&nargs, 0, sizeof(nargs));
nargs.geo = args->geo;
nargs.dp = dp;
nargs.firstblock = args->firstblock;
nargs.flist = args->flist;
@ -904,12 +907,12 @@ xfs_attr3_leaf_to_node(
/* copy leaf to new buffer, update identifiers */
xfs_trans_buf_set_type(args->trans, bp2, XFS_BLFT_ATTR_LEAF_BUF);
bp2->b_ops = bp1->b_ops;
memcpy(bp2->b_addr, bp1->b_addr, XFS_LBSIZE(mp));
memcpy(bp2->b_addr, bp1->b_addr, args->geo->blksize);
if (xfs_sb_version_hascrc(&mp->m_sb)) {
struct xfs_da3_blkinfo *hdr3 = bp2->b_addr;
hdr3->blkno = cpu_to_be64(bp2->b_bn);
}
xfs_trans_log_buf(args->trans, bp2, 0, XFS_LBSIZE(mp) - 1);
xfs_trans_log_buf(args->trans, bp2, 0, args->geo->blksize - 1);
/*
* Set up the new root node.
@ -930,7 +933,7 @@ xfs_attr3_leaf_to_node(
btree[0].before = cpu_to_be32(blkno);
icnodehdr.count = 1;
dp->d_ops->node_hdr_to_disk(node, &icnodehdr);
xfs_trans_log_buf(args->trans, bp1, 0, XFS_LBSIZE(mp) - 1);
xfs_trans_log_buf(args->trans, bp1, 0, args->geo->blksize - 1);
error = 0;
out:
return error;
@ -966,10 +969,10 @@ xfs_attr3_leaf_create(
bp->b_ops = &xfs_attr3_leaf_buf_ops;
xfs_trans_buf_set_type(args->trans, bp, XFS_BLFT_ATTR_LEAF_BUF);
leaf = bp->b_addr;
memset(leaf, 0, XFS_LBSIZE(mp));
memset(leaf, 0, args->geo->blksize);
memset(&ichdr, 0, sizeof(ichdr));
ichdr.firstused = XFS_LBSIZE(mp);
ichdr.firstused = args->geo->blksize;
if (xfs_sb_version_hascrc(&mp->m_sb)) {
struct xfs_da3_blkinfo *hdr3 = bp->b_addr;
@ -988,7 +991,7 @@ xfs_attr3_leaf_create(
ichdr.freemap[0].size = ichdr.firstused - ichdr.freemap[0].base;
xfs_attr3_leaf_hdr_to_disk(leaf, &ichdr);
xfs_trans_log_buf(args->trans, bp, 0, XFS_LBSIZE(mp) - 1);
xfs_trans_log_buf(args->trans, bp, 0, args->geo->blksize - 1);
*bpp = bp;
return 0;
@ -1074,8 +1077,7 @@ xfs_attr3_leaf_add(
leaf = bp->b_addr;
xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
ASSERT(args->index >= 0 && args->index <= ichdr.count);
entsize = xfs_attr_leaf_newentsize(args->namelen, args->valuelen,
args->trans->t_mountp->m_sb.sb_blocksize, NULL);
entsize = xfs_attr_leaf_newentsize(args, NULL);
/*
* Search through freemap for first-fit on new name length.
@ -1174,17 +1176,14 @@ xfs_attr3_leaf_add_work(
* Allocate space for the new string (at the end of the run).
*/
mp = args->trans->t_mountp;
ASSERT(ichdr->freemap[mapindex].base < XFS_LBSIZE(mp));
ASSERT(ichdr->freemap[mapindex].base < args->geo->blksize);
ASSERT((ichdr->freemap[mapindex].base & 0x3) == 0);
ASSERT(ichdr->freemap[mapindex].size >=
xfs_attr_leaf_newentsize(args->namelen, args->valuelen,
mp->m_sb.sb_blocksize, NULL));
ASSERT(ichdr->freemap[mapindex].size < XFS_LBSIZE(mp));
xfs_attr_leaf_newentsize(args, NULL));
ASSERT(ichdr->freemap[mapindex].size < args->geo->blksize);
ASSERT((ichdr->freemap[mapindex].size & 0x3) == 0);
ichdr->freemap[mapindex].size -=
xfs_attr_leaf_newentsize(args->namelen, args->valuelen,
mp->m_sb.sb_blocksize, &tmp);
ichdr->freemap[mapindex].size -= xfs_attr_leaf_newentsize(args, &tmp);
entry->nameidx = cpu_to_be16(ichdr->freemap[mapindex].base +
ichdr->freemap[mapindex].size);
@ -1269,14 +1268,13 @@ xfs_attr3_leaf_compact(
struct xfs_attr_leafblock *leaf_dst;
struct xfs_attr3_icleaf_hdr ichdr_src;
struct xfs_trans *trans = args->trans;
struct xfs_mount *mp = trans->t_mountp;
char *tmpbuffer;
trace_xfs_attr_leaf_compact(args);
tmpbuffer = kmem_alloc(XFS_LBSIZE(mp), KM_SLEEP);
memcpy(tmpbuffer, bp->b_addr, XFS_LBSIZE(mp));
memset(bp->b_addr, 0, XFS_LBSIZE(mp));
tmpbuffer = kmem_alloc(args->geo->blksize, KM_SLEEP);
memcpy(tmpbuffer, bp->b_addr, args->geo->blksize);
memset(bp->b_addr, 0, args->geo->blksize);
leaf_src = (xfs_attr_leafblock_t *)tmpbuffer;
leaf_dst = bp->b_addr;
@ -1289,7 +1287,7 @@ xfs_attr3_leaf_compact(
/* Initialise the incore headers */
ichdr_src = *ichdr_dst; /* struct copy */
ichdr_dst->firstused = XFS_LBSIZE(mp);
ichdr_dst->firstused = args->geo->blksize;
ichdr_dst->usedbytes = 0;
ichdr_dst->count = 0;
ichdr_dst->holes = 0;
@ -1304,13 +1302,13 @@ xfs_attr3_leaf_compact(
* Copy all entry's in the same (sorted) order,
* but allocate name/value pairs packed and in sequence.
*/
xfs_attr3_leaf_moveents(leaf_src, &ichdr_src, 0, leaf_dst, ichdr_dst, 0,
ichdr_src.count, mp);
xfs_attr3_leaf_moveents(args, leaf_src, &ichdr_src, 0,
leaf_dst, ichdr_dst, 0, ichdr_src.count);
/*
* this logs the entire buffer, but the caller must write the header
* back to the buffer when it is finished modifying it.
*/
xfs_trans_log_buf(trans, bp, 0, XFS_LBSIZE(mp) - 1);
xfs_trans_log_buf(trans, bp, 0, args->geo->blksize - 1);
kmem_free(tmpbuffer);
}
@ -1461,8 +1459,8 @@ xfs_attr3_leaf_rebalance(
/*
* Move high entries from leaf1 to low end of leaf2.
*/
xfs_attr3_leaf_moveents(leaf1, &ichdr1, ichdr1.count - count,
leaf2, &ichdr2, 0, count, state->mp);
xfs_attr3_leaf_moveents(args, leaf1, &ichdr1,
ichdr1.count - count, leaf2, &ichdr2, 0, count);
} else if (count > ichdr1.count) {
/*
@ -1490,14 +1488,14 @@ xfs_attr3_leaf_rebalance(
/*
* Move low entries from leaf2 to high end of leaf1.
*/
xfs_attr3_leaf_moveents(leaf2, &ichdr2, 0, leaf1, &ichdr1,
ichdr1.count, count, state->mp);
xfs_attr3_leaf_moveents(args, leaf2, &ichdr2, 0, leaf1, &ichdr1,
ichdr1.count, count);
}
xfs_attr3_leaf_hdr_to_disk(leaf1, &ichdr1);
xfs_attr3_leaf_hdr_to_disk(leaf2, &ichdr2);
xfs_trans_log_buf(args->trans, blk1->bp, 0, state->blocksize-1);
xfs_trans_log_buf(args->trans, blk2->bp, 0, state->blocksize-1);
xfs_trans_log_buf(args->trans, blk1->bp, 0, args->geo->blksize - 1);
xfs_trans_log_buf(args->trans, blk2->bp, 0, args->geo->blksize - 1);
/*
* Copy out last hashval in each block for B-tree code.
@ -1592,11 +1590,9 @@ xfs_attr3_leaf_figure_balance(
max = ichdr1->count + ichdr2->count;
half = (max + 1) * sizeof(*entry);
half += ichdr1->usedbytes + ichdr2->usedbytes +
xfs_attr_leaf_newentsize(state->args->namelen,
state->args->valuelen,
state->blocksize, NULL);
xfs_attr_leaf_newentsize(state->args, NULL);
half /= 2;
lastdelta = state->blocksize;
lastdelta = state->args->geo->blksize;
entry = xfs_attr3_leaf_entryp(leaf1);
for (count = index = 0; count < max; entry++, index++, count++) {
@ -1606,10 +1602,7 @@ xfs_attr3_leaf_figure_balance(
*/
if (count == blk1->index) {
tmp = totallen + sizeof(*entry) +
xfs_attr_leaf_newentsize(
state->args->namelen,
state->args->valuelen,
state->blocksize, NULL);
xfs_attr_leaf_newentsize(state->args, NULL);
if (XFS_ATTR_ABS(half - tmp) > lastdelta)
break;
lastdelta = XFS_ATTR_ABS(half - tmp);
@ -1645,10 +1638,7 @@ xfs_attr3_leaf_figure_balance(
totallen -= count * sizeof(*entry);
if (foundit) {
totallen -= sizeof(*entry) +
xfs_attr_leaf_newentsize(
state->args->namelen,
state->args->valuelen,
state->blocksize, NULL);
xfs_attr_leaf_newentsize(state->args, NULL);
}
*countarg = count;
@ -1700,7 +1690,7 @@ xfs_attr3_leaf_toosmall(
bytes = xfs_attr3_leaf_hdr_size(leaf) +
ichdr.count * sizeof(xfs_attr_leaf_entry_t) +
ichdr.usedbytes;
if (bytes > (state->blocksize >> 1)) {
if (bytes > (state->args->geo->blksize >> 1)) {
*action = 0; /* blk over 50%, don't try to join */
return(0);
}
@ -1754,7 +1744,8 @@ xfs_attr3_leaf_toosmall(
xfs_attr3_leaf_hdr_from_disk(&ichdr2, bp->b_addr);
bytes = state->blocksize - (state->blocksize >> 2) -
bytes = state->args->geo->blksize -
(state->args->geo->blksize >> 2) -
ichdr.usedbytes - ichdr2.usedbytes -
((ichdr.count + ichdr2.count) *
sizeof(xfs_attr_leaf_entry_t)) -
@ -1805,7 +1796,6 @@ xfs_attr3_leaf_remove(
struct xfs_attr_leafblock *leaf;
struct xfs_attr3_icleaf_hdr ichdr;
struct xfs_attr_leaf_entry *entry;
struct xfs_mount *mp = args->trans->t_mountp;
int before;
int after;
int smallest;
@ -1819,7 +1809,7 @@ xfs_attr3_leaf_remove(
leaf = bp->b_addr;
xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
ASSERT(ichdr.count > 0 && ichdr.count < XFS_LBSIZE(mp) / 8);
ASSERT(ichdr.count > 0 && ichdr.count < args->geo->blksize / 8);
ASSERT(args->index >= 0 && args->index < ichdr.count);
ASSERT(ichdr.firstused >= ichdr.count * sizeof(*entry) +
xfs_attr3_leaf_hdr_size(leaf));
@ -1827,7 +1817,7 @@ xfs_attr3_leaf_remove(
entry = &xfs_attr3_leaf_entryp(leaf)[args->index];
ASSERT(be16_to_cpu(entry->nameidx) >= ichdr.firstused);
ASSERT(be16_to_cpu(entry->nameidx) < XFS_LBSIZE(mp));
ASSERT(be16_to_cpu(entry->nameidx) < args->geo->blksize);
/*
* Scan through free region table:
@ -1842,8 +1832,8 @@ xfs_attr3_leaf_remove(
smallest = XFS_ATTR_LEAF_MAPSIZE - 1;
entsize = xfs_attr_leaf_entsize(leaf, args->index);
for (i = 0; i < XFS_ATTR_LEAF_MAPSIZE; i++) {
ASSERT(ichdr.freemap[i].base < XFS_LBSIZE(mp));
ASSERT(ichdr.freemap[i].size < XFS_LBSIZE(mp));
ASSERT(ichdr.freemap[i].base < args->geo->blksize);
ASSERT(ichdr.freemap[i].size < args->geo->blksize);
if (ichdr.freemap[i].base == tablesize) {
ichdr.freemap[i].base -= sizeof(xfs_attr_leaf_entry_t);
ichdr.freemap[i].size += sizeof(xfs_attr_leaf_entry_t);
@ -1920,11 +1910,11 @@ xfs_attr3_leaf_remove(
* removing the name.
*/
if (smallest) {
tmp = XFS_LBSIZE(mp);
tmp = args->geo->blksize;
entry = xfs_attr3_leaf_entryp(leaf);
for (i = ichdr.count - 1; i >= 0; entry++, i--) {
ASSERT(be16_to_cpu(entry->nameidx) >= ichdr.firstused);
ASSERT(be16_to_cpu(entry->nameidx) < XFS_LBSIZE(mp));
ASSERT(be16_to_cpu(entry->nameidx) < args->geo->blksize);
if (be16_to_cpu(entry->nameidx) < tmp)
tmp = be16_to_cpu(entry->nameidx);
@ -1947,7 +1937,7 @@ xfs_attr3_leaf_remove(
tmp = ichdr.usedbytes + xfs_attr3_leaf_hdr_size(leaf) +
ichdr.count * sizeof(xfs_attr_leaf_entry_t);
return tmp < mp->m_attr_magicpct; /* leaf is < 37% full */
return tmp < args->geo->magicpct; /* leaf is < 37% full */
}
/*
@ -1964,7 +1954,6 @@ xfs_attr3_leaf_unbalance(
struct xfs_attr3_icleaf_hdr drophdr;
struct xfs_attr3_icleaf_hdr savehdr;
struct xfs_attr_leaf_entry *entry;
struct xfs_mount *mp = state->mp;
trace_xfs_attr_leaf_unbalance(state->args);
@ -1991,13 +1980,15 @@ xfs_attr3_leaf_unbalance(
*/
if (xfs_attr3_leaf_order(save_blk->bp, &savehdr,
drop_blk->bp, &drophdr)) {
xfs_attr3_leaf_moveents(drop_leaf, &drophdr, 0,
xfs_attr3_leaf_moveents(state->args,
drop_leaf, &drophdr, 0,
save_leaf, &savehdr, 0,
drophdr.count, mp);
drophdr.count);
} else {
xfs_attr3_leaf_moveents(drop_leaf, &drophdr, 0,
xfs_attr3_leaf_moveents(state->args,
drop_leaf, &drophdr, 0,
save_leaf, &savehdr,
savehdr.count, drophdr.count, mp);
savehdr.count, drophdr.count);
}
} else {
/*
@ -2007,7 +1998,7 @@ xfs_attr3_leaf_unbalance(
struct xfs_attr_leafblock *tmp_leaf;
struct xfs_attr3_icleaf_hdr tmphdr;
tmp_leaf = kmem_zalloc(state->blocksize, KM_SLEEP);
tmp_leaf = kmem_zalloc(state->args->geo->blksize, KM_SLEEP);
/*
* Copy the header into the temp leaf so that all the stuff
@ -2020,35 +2011,39 @@ xfs_attr3_leaf_unbalance(
tmphdr.magic = savehdr.magic;
tmphdr.forw = savehdr.forw;
tmphdr.back = savehdr.back;
tmphdr.firstused = state->blocksize;
tmphdr.firstused = state->args->geo->blksize;
/* write the header to the temp buffer to initialise it */
xfs_attr3_leaf_hdr_to_disk(tmp_leaf, &tmphdr);
if (xfs_attr3_leaf_order(save_blk->bp, &savehdr,
drop_blk->bp, &drophdr)) {
xfs_attr3_leaf_moveents(drop_leaf, &drophdr, 0,
xfs_attr3_leaf_moveents(state->args,
drop_leaf, &drophdr, 0,
tmp_leaf, &tmphdr, 0,
drophdr.count, mp);
xfs_attr3_leaf_moveents(save_leaf, &savehdr, 0,
drophdr.count);
xfs_attr3_leaf_moveents(state->args,
save_leaf, &savehdr, 0,
tmp_leaf, &tmphdr, tmphdr.count,
savehdr.count, mp);
savehdr.count);
} else {
xfs_attr3_leaf_moveents(save_leaf, &savehdr, 0,
xfs_attr3_leaf_moveents(state->args,
save_leaf, &savehdr, 0,
tmp_leaf, &tmphdr, 0,
savehdr.count, mp);
xfs_attr3_leaf_moveents(drop_leaf, &drophdr, 0,
savehdr.count);
xfs_attr3_leaf_moveents(state->args,
drop_leaf, &drophdr, 0,
tmp_leaf, &tmphdr, tmphdr.count,
drophdr.count, mp);
drophdr.count);
}
memcpy(save_leaf, tmp_leaf, state->blocksize);
memcpy(save_leaf, tmp_leaf, state->args->geo->blksize);
savehdr = tmphdr; /* struct copy */
kmem_free(tmp_leaf);
}
xfs_attr3_leaf_hdr_to_disk(save_leaf, &savehdr);
xfs_trans_log_buf(state->args->trans, save_blk->bp, 0,
state->blocksize - 1);
state->args->geo->blksize - 1);
/*
* Copy out last hashval in each block for B-tree code.
@ -2094,7 +2089,7 @@ xfs_attr3_leaf_lookup_int(
leaf = bp->b_addr;
xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
entries = xfs_attr3_leaf_entryp(leaf);
ASSERT(ichdr.count < XFS_LBSIZE(args->dp->i_mount) / 8);
ASSERT(ichdr.count < args->geo->blksize / 8);
/*
* Binary search. (note: small blocks will skip this loop)
@ -2198,7 +2193,7 @@ xfs_attr3_leaf_getvalue(
leaf = bp->b_addr;
xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
ASSERT(ichdr.count < XFS_LBSIZE(args->dp->i_mount) / 8);
ASSERT(ichdr.count < args->geo->blksize / 8);
ASSERT(args->index < ichdr.count);
entry = &xfs_attr3_leaf_entryp(leaf)[args->index];
@ -2249,14 +2244,14 @@ xfs_attr3_leaf_getvalue(
/*ARGSUSED*/
STATIC void
xfs_attr3_leaf_moveents(
struct xfs_da_args *args,
struct xfs_attr_leafblock *leaf_s,
struct xfs_attr3_icleaf_hdr *ichdr_s,
int start_s,
struct xfs_attr_leafblock *leaf_d,
struct xfs_attr3_icleaf_hdr *ichdr_d,
int start_d,
int count,
struct xfs_mount *mp)
int count)
{
struct xfs_attr_leaf_entry *entry_s;
struct xfs_attr_leaf_entry *entry_d;
@ -2276,10 +2271,10 @@ xfs_attr3_leaf_moveents(
ASSERT(ichdr_s->magic == XFS_ATTR_LEAF_MAGIC ||
ichdr_s->magic == XFS_ATTR3_LEAF_MAGIC);
ASSERT(ichdr_s->magic == ichdr_d->magic);
ASSERT(ichdr_s->count > 0 && ichdr_s->count < XFS_LBSIZE(mp) / 8);
ASSERT(ichdr_s->count > 0 && ichdr_s->count < args->geo->blksize / 8);
ASSERT(ichdr_s->firstused >= (ichdr_s->count * sizeof(*entry_s))
+ xfs_attr3_leaf_hdr_size(leaf_s));
ASSERT(ichdr_d->count < XFS_LBSIZE(mp) / 8);
ASSERT(ichdr_d->count < args->geo->blksize / 8);
ASSERT(ichdr_d->firstused >= (ichdr_d->count * sizeof(*entry_d))
+ xfs_attr3_leaf_hdr_size(leaf_d));
@ -2331,11 +2326,11 @@ xfs_attr3_leaf_moveents(
entry_d->nameidx = cpu_to_be16(ichdr_d->firstused);
entry_d->flags = entry_s->flags;
ASSERT(be16_to_cpu(entry_d->nameidx) + tmp
<= XFS_LBSIZE(mp));
<= args->geo->blksize);
memmove(xfs_attr3_leaf_name(leaf_d, desti),
xfs_attr3_leaf_name(leaf_s, start_s + i), tmp);
ASSERT(be16_to_cpu(entry_s->nameidx) + tmp
<= XFS_LBSIZE(mp));
<= args->geo->blksize);
memset(xfs_attr3_leaf_name(leaf_s, start_s + i), 0, tmp);
ichdr_s->usedbytes -= tmp;
ichdr_d->usedbytes += tmp;
@ -2356,7 +2351,7 @@ xfs_attr3_leaf_moveents(
tmp = count * sizeof(xfs_attr_leaf_entry_t);
entry_s = &xfs_attr3_leaf_entryp(leaf_s)[start_s];
ASSERT(((char *)entry_s + tmp) <=
((char *)leaf_s + XFS_LBSIZE(mp)));
((char *)leaf_s + args->geo->blksize));
memset(entry_s, 0, tmp);
} else {
/*
@ -2371,7 +2366,7 @@ xfs_attr3_leaf_moveents(
tmp = count * sizeof(xfs_attr_leaf_entry_t);
entry_s = &xfs_attr3_leaf_entryp(leaf_s)[ichdr_s->count];
ASSERT(((char *)entry_s + tmp) <=
((char *)leaf_s + XFS_LBSIZE(mp)));
((char *)leaf_s + args->geo->blksize));
memset(entry_s, 0, tmp);
}
@ -2439,22 +2434,21 @@ xfs_attr_leaf_entsize(xfs_attr_leafblock_t *leaf, int index)
* a "local" or a "remote" attribute.
*/
int
xfs_attr_leaf_newentsize(int namelen, int valuelen, int blocksize, int *local)
xfs_attr_leaf_newentsize(
struct xfs_da_args *args,
int *local)
{
int size;
int size;
size = xfs_attr_leaf_entsize_local(namelen, valuelen);
if (size < xfs_attr_leaf_entsize_local_max(blocksize)) {
if (local) {
size = xfs_attr_leaf_entsize_local(args->namelen, args->valuelen);
if (size < xfs_attr_leaf_entsize_local_max(args->geo->blksize)) {
if (local)
*local = 1;
}
} else {
size = xfs_attr_leaf_entsize_remote(namelen);
if (local) {
*local = 0;
}
return size;
}
return size;
if (local)
*local = 0;
return xfs_attr_leaf_entsize_remote(args->namelen);
}

3
fs/xfs/xfs_attr_leaf.h
Unescape View File

@ -96,8 +96,7 @@ int xfs_attr3_root_inactive(struct xfs_trans **trans, struct xfs_inode *dp);
xfs_dahash_t xfs_attr_leaf_lasthash(struct xfs_buf *bp, int *count);
int xfs_attr_leaf_order(struct xfs_buf *leaf1_bp,
struct xfs_buf *leaf2_bp);
int xfs_attr_leaf_newentsize(int namelen, int valuelen, int blocksize,
int *local);
int xfs_attr_leaf_newentsize(struct xfs_da_args *args, int *local);
int xfs_attr3_leaf_read(struct xfs_trans *tp, struct xfs_inode *dp,
xfs_dablk_t bno, xfs_daddr_t mappedbno,
struct xfs_buf **bpp);

1
fs/xfs/xfs_attr_list.c
Unescape View File

@ -444,6 +444,7 @@ xfs_attr3_leaf_list_int(
xfs_da_args_t args;
memset((char *)&args, 0, sizeof(args));
args.geo = context->dp->i_mount->m_attr_geo;
args.dp = context->dp;
args.whichfork = XFS_ATTR_FORK;
args.valuelen = valuelen;

55
fs/xfs/xfs_attr_remote.c
Unescape View File

@ -125,6 +125,7 @@ xfs_attr3_rmt_read_verify(
char *ptr;
int len;
xfs_daddr_t bno;
int blksize = mp->m_attr_geo->blksize;
/* no verification of non-crc buffers */
if (!xfs_sb_version_hascrc(&mp->m_sb))
@ -133,21 +134,20 @@ xfs_attr3_rmt_read_verify(
ptr = bp->b_addr;
bno = bp->b_bn;
len = BBTOB(bp->b_length);
ASSERT(len >= XFS_LBSIZE(mp));
ASSERT(len >= blksize);
while (len > 0) {
if (!xfs_verify_cksum(ptr, XFS_LBSIZE(mp),
XFS_ATTR3_RMT_CRC_OFF)) {
if (!xfs_verify_cksum(ptr, blksize, XFS_ATTR3_RMT_CRC_OFF)) {
xfs_buf_ioerror(bp, EFSBADCRC);
break;
}
if (!xfs_attr3_rmt_verify(mp, ptr, XFS_LBSIZE(mp), bno)) {
if (!xfs_attr3_rmt_verify(mp, ptr, blksize, bno)) {
xfs_buf_ioerror(bp, EFSCORRUPTED);
break;
}
len -= XFS_LBSIZE(mp);
ptr += XFS_LBSIZE(mp);
bno += mp->m_bsize;
len -= blksize;
ptr += blksize;
bno += BTOBB(blksize);
}
if (bp->b_error)
@ -165,6 +165,7 @@ xfs_attr3_rmt_write_verify(
char *ptr;
int len;
xfs_daddr_t bno;
int blksize = mp->m_attr_geo->blksize;
/* no verification of non-crc buffers */
if (!xfs_sb_version_hascrc(&mp->m_sb))
@ -173,10 +174,10 @@ xfs_attr3_rmt_write_verify(
ptr = bp->b_addr;
bno = bp->b_bn;
len = BBTOB(bp->b_length);
ASSERT(len >= XFS_LBSIZE(mp));
ASSERT(len >= blksize);
while (len > 0) {
if (!xfs_attr3_rmt_verify(mp, ptr, XFS_LBSIZE(mp), bno)) {
if (!xfs_attr3_rmt_verify(mp, ptr, blksize, bno)) {
xfs_buf_ioerror(bp, EFSCORRUPTED);
xfs_verifier_error(bp);
return;
@ -187,11 +188,11 @@ xfs_attr3_rmt_write_verify(
rmt = (struct xfs_attr3_rmt_hdr *)ptr;
rmt->rm_lsn = cpu_to_be64(bip->bli_item.li_lsn);
}
xfs_update_cksum(ptr, XFS_LBSIZE(mp), XFS_ATTR3_RMT_CRC_OFF);
xfs_update_cksum(ptr, blksize, XFS_ATTR3_RMT_CRC_OFF);
len -= XFS_LBSIZE(mp);
ptr += XFS_LBSIZE(mp);
bno += mp->m_bsize;
len -= blksize;
ptr += blksize;
bno += BTOBB(blksize);
}
ASSERT(len == 0);
}
@ -240,12 +241,13 @@ xfs_attr_rmtval_copyout(
char *src = bp->b_addr;
xfs_daddr_t bno = bp->b_bn;
int len = BBTOB(bp->b_length);
int blksize = mp->m_attr_geo->blksize;
ASSERT(len >= XFS_LBSIZE(mp));
ASSERT(len >= blksize);
while (len > 0 && *valuelen > 0) {
int hdr_size = 0;
int byte_cnt = XFS_ATTR3_RMT_BUF_SPACE(mp, XFS_LBSIZE(mp));
int byte_cnt = XFS_ATTR3_RMT_BUF_SPACE(mp, blksize);
byte_cnt = min(*valuelen, byte_cnt);
@ -263,9 +265,9 @@ xfs_attr_rmtval_copyout(
memcpy(*dst, src + hdr_size, byte_cnt);
/* roll buffer forwards */
len -= XFS_LBSIZE(mp);
src += XFS_LBSIZE(mp);
bno += mp->m_bsize;
len -= blksize;
src += blksize;
bno += BTOBB(blksize);
/* roll attribute data forwards */
*valuelen -= byte_cnt;
@ -287,12 +289,13 @@ xfs_attr_rmtval_copyin(
char *dst = bp->b_addr;
xfs_daddr_t bno = bp->b_bn;
int len = BBTOB(bp->b_length);
int blksize = mp->m_attr_geo->blksize;
ASSERT(len >= XFS_LBSIZE(mp));
ASSERT(len >= blksize);
while (len > 0 && *valuelen > 0) {
int hdr_size;
int byte_cnt = XFS_ATTR3_RMT_BUF_SPACE(mp, XFS_LBSIZE(mp));
int byte_cnt = XFS_ATTR3_RMT_BUF_SPACE(mp, blksize);
byte_cnt = min(*valuelen, byte_cnt);
hdr_size = xfs_attr3_rmt_hdr_set(mp, dst, ino, *offset,
@ -304,17 +307,17 @@ xfs_attr_rmtval_copyin(
* If this is the last block, zero the remainder of it.
* Check that we are actually the last block, too.
*/
if (byte_cnt + hdr_size < XFS_LBSIZE(mp)) {
if (byte_cnt + hdr_size < blksize) {
ASSERT(*valuelen - byte_cnt == 0);
ASSERT(len == XFS_LBSIZE(mp));
ASSERT(len == blksize);
memset(dst + hdr_size + byte_cnt, 0,
XFS_LBSIZE(mp) - hdr_size - byte_cnt);
blksize - hdr_size - byte_cnt);
}
/* roll buffer forwards */
len -= XFS_LBSIZE(mp);
dst += XFS_LBSIZE(mp);
bno += mp->m_bsize;
len -= blksize;
dst += blksize;
bno += BTOBB(blksize);
/* roll attribute data forwards */
*valuelen -= byte_cnt;

3
fs/xfs/xfs_bmap.c
Unescape View File

@ -1098,10 +1098,11 @@ xfs_bmap_add_attrfork_local(
if (S_ISDIR(ip->i_d.di_mode)) {
memset(&dargs, 0, sizeof(dargs));
dargs.geo = ip->i_mount->m_dir_geo;
dargs.dp = ip;
dargs.firstblock = firstblock;
dargs.flist = flist;
dargs.total = ip->i_mount->m_dirblkfsbs;
dargs.total = dargs.geo->fsbcount;
dargs.whichfork = XFS_DATA_FORK;
dargs.trans = tp;
return xfs_dir2_sf_to_block(&dargs);

65
fs/xfs/xfs_da_btree.c
Unescape View File

@ -167,8 +167,8 @@ xfs_da3_node_verify(
* we don't know if the node is for and attribute or directory tree,
* so only fail if the count is outside both bounds
*/
if (ichdr.count > mp->m_dir_node_ents &&
ichdr.count > mp->m_attr_node_ents)
if (ichdr.count > mp->m_dir_geo->node_ents &&
ichdr.count > mp->m_attr_geo->node_ents)
return false;
/* XXX: hash order check? */
@ -598,7 +598,7 @@ xfs_da3_root_split(
* Set up the new root node.
*/
error = xfs_da3_node_create(args,
(args->whichfork == XFS_DATA_FORK) ? mp->m_dirleafblk : 0,
(args->whichfork == XFS_DATA_FORK) ? args->geo->leafblk : 0,
level + 1, &bp, args->whichfork);
if (error)
return error;
@ -616,10 +616,10 @@ xfs_da3_root_split(
#ifdef DEBUG
if (oldroot->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC) ||
oldroot->hdr.info.magic == cpu_to_be16(XFS_DIR3_LEAFN_MAGIC)) {
ASSERT(blk1->blkno >= mp->m_dirleafblk &&
blk1->blkno < mp->m_dirfreeblk);
ASSERT(blk2->blkno >= mp->m_dirleafblk &&
blk2->blkno < mp->m_dirfreeblk);
ASSERT(blk1->blkno >= args->geo->leafblk &&
blk1->blkno < args->geo->freeblk);
ASSERT(blk2->blkno >= args->geo->leafblk &&
blk2->blkno < args->geo->freeblk);
}
#endif
@ -663,7 +663,7 @@ xfs_da3_node_split(
/*
* Do we have to split the node?
*/
if (nodehdr.count + newcount > state->node_ents) {
if (nodehdr.count + newcount > state->args->geo->node_ents) {
/*
* Allocate a new node, add to the doubly linked chain of
* nodes, then move some of our excess entries into it.
@ -894,8 +894,8 @@ xfs_da3_node_add(
ASSERT(oldblk->index >= 0 && oldblk->index <= nodehdr.count);
ASSERT(newblk->blkno != 0);
if (state->args->whichfork == XFS_DATA_FORK)
ASSERT(newblk->blkno >= state->mp->m_dirleafblk &&
newblk->blkno < state->mp->m_dirfreeblk);
ASSERT(newblk->blkno >= state->args->geo->leafblk &&
newblk->blkno < state->args->geo->freeblk);
/*
* We may need to make some room before we insert the new node.
@ -1089,14 +1089,15 @@ xfs_da3_root_join(
* that could occur. For dir3 blocks we also need to update the block
* number in the buffer header.
*/
memcpy(root_blk->bp->b_addr, bp->b_addr, state->blocksize);
memcpy(root_blk->bp->b_addr, bp->b_addr, args->geo->blksize);
root_blk->bp->b_ops = bp->b_ops;
xfs_trans_buf_copy_type(root_blk->bp, bp);
if (oldroothdr.magic == XFS_DA3_NODE_MAGIC) {
struct xfs_da3_blkinfo *da3 = root_blk->bp->b_addr;
da3->blkno = cpu_to_be64(root_blk->bp->b_bn);
}
xfs_trans_log_buf(args->trans, root_blk->bp, 0, state->blocksize - 1);
xfs_trans_log_buf(args->trans, root_blk->bp, 0,
args->geo->blksize - 1);
error = xfs_da_shrink_inode(args, child, bp);
return(error);
}
@ -1139,7 +1140,7 @@ xfs_da3_node_toosmall(
info = blk->bp->b_addr;
node = (xfs_da_intnode_t *)info;
dp->d_ops->node_hdr_from_disk(&nodehdr, node);
if (nodehdr.count > (state->node_ents >> 1)) {
if (nodehdr.count > (state->args->geo->node_ents >> 1)) {
*action = 0; /* blk over 50%, don't try to join */
return(0); /* blk over 50%, don't try to join */
}
@ -1176,8 +1177,8 @@ xfs_da3_node_toosmall(
* We prefer coalescing with the lower numbered sibling so as
* to shrink a directory over time.
*/
count = state->node_ents;
count -= state->node_ents >> 2;
count = state->args->geo->node_ents;
count -= state->args->geo->node_ents >> 2;
count -= nodehdr.count;
/* start with smaller blk num */
@ -1472,7 +1473,7 @@ xfs_da3_node_lookup_int(
* Descend thru the B-tree searching each level for the right
* node to use, until the right hashval is found.
*/
blkno = (args->whichfork == XFS_DATA_FORK)? state->mp->m_dirleafblk : 0;
blkno = (args->whichfork == XFS_DATA_FORK)? args->geo->leafblk : 0;
for (blk = &state->path.blk[0], state->path.active = 1;
state->path.active <= XFS_DA_NODE_MAXDEPTH;
blk++, state->path.active++) {
@ -2090,20 +2091,12 @@ xfs_da_grow_inode(
xfs_dablk_t *new_blkno)
{
xfs_fileoff_t bno;
int count;
int error;
trace_xfs_da_grow_inode(args);
if (args->whichfork == XFS_DATA_FORK) {
bno = args->dp->i_mount->m_dirleafblk;
count = args->dp->i_mount->m_dirblkfsbs;
} else {
bno = 0;
count = 1;
}
error = xfs_da_grow_inode_int(args, &bno, count);
bno = args->geo->leafblk;
error = xfs_da_grow_inode_int(args, &bno, args->geo->fsbcount);
if (!error)
*new_blkno = (xfs_dablk_t)bno;
return error;
@ -2158,7 +2151,7 @@ xfs_da3_swap_lastblock(
w = args->whichfork;
ASSERT(w == XFS_DATA_FORK);
mp = dp->i_mount;
lastoff = mp->m_dirfreeblk;
lastoff = args->geo->freeblk;
error = xfs_bmap_last_before(tp, dp, &lastoff, w);
if (error)
return error;
@ -2170,15 +2163,15 @@ xfs_da3_swap_lastblock(
/*
* Read the last block in the btree space.
*/
last_blkno = (xfs_dablk_t)lastoff - mp->m_dirblkfsbs;
last_blkno = (xfs_dablk_t)lastoff - args->geo->fsbcount;
error = xfs_da3_node_read(tp, dp, last_blkno, -1, &last_buf, w);
if (error)
return error;
/*
* Copy the last block into the dead buffer and log it.
*/
memcpy(dead_buf->b_addr, last_buf->b_addr, mp->m_dirblksize);
xfs_trans_log_buf(tp, dead_buf, 0, mp->m_dirblksize - 1);
memcpy(dead_buf->b_addr, last_buf->b_addr, args->geo->blksize);
xfs_trans_log_buf(tp, dead_buf, 0, args->geo->blksize - 1);
dead_info = dead_buf->b_addr;
/*
* Get values from the moved block.
@ -2247,7 +2240,7 @@ xfs_da3_swap_lastblock(
sizeof(sib_info->back)));
sib_buf = NULL;
}
par_blkno = mp->m_dirleafblk;
par_blkno = args->geo->leafblk;
level = -1;
/*
* Walk down the tree looking for the parent of the moved block.
@ -2357,10 +2350,7 @@ xfs_da_shrink_inode(
w = args->whichfork;
tp = args->trans;
mp = dp->i_mount;
if (w == XFS_DATA_FORK)
count = mp->m_dirblkfsbs;
else
count = 1;
count = args->geo->fsbcount;
for (;;) {
/*
* Remove extents. If we get ENOSPC for a dir we have to move
@ -2479,7 +2469,10 @@ xfs_dabuf_map(
ASSERT(map && *map);
ASSERT(*nmaps == 1);
nfsb = (whichfork == XFS_DATA_FORK) ? mp->m_dirblkfsbs : 1;
if (whichfork == XFS_DATA_FORK)
nfsb = mp->m_dir_geo->fsbcount;
else
nfsb = mp->m_attr_geo->fsbcount;
/*
* Caller doesn't have a mapping. -2 means don't complain

20
fs/xfs/xfs_da_btree.h
Unescape View File

@ -25,6 +25,23 @@ struct xfs_trans;
struct zone;
struct xfs_dir_ops;
/*
* Directory/attribute geometry information. There will be one of these for each
* data fork type, and it will be passed around via the xfs_da_args. Global
* structures will be attached to the xfs_mount.
*/
struct xfs_da_geometry {
int blksize; /* da block size in bytes */
int fsbcount; /* da block size in filesystem blocks */
uint8_t fsblog; /* log2 of _filesystem_ block size */
uint8_t blklog; /* log2 of da block size */
uint node_ents; /* # of entries in a danode */
int magicpct; /* 37% of block size in bytes */
xfs_dablk_t datablk; /* blockno of dir data v2 */
xfs_dablk_t leafblk; /* blockno of leaf data v2 */
xfs_dablk_t freeblk; /* blockno of free data v2 */
};
/*========================================================================
* Btree searching and modification structure definitions.
*========================================================================*/
@ -42,6 +59,7 @@ enum xfs_dacmp {
* Structure to ease passing around component names.
*/
typedef struct xfs_da_args {
struct xfs_da_geometry *geo; /* da block geometry */
const __uint8_t *name; /* string (maybe not NULL terminated) */
int namelen; /* length of string (maybe no NULL) */
__uint8_t filetype; /* filetype of inode for directories */
@ -110,8 +128,6 @@ typedef struct xfs_da_state_path {
typedef struct xfs_da_state {
xfs_da_args_t *args; /* filename arguments */
struct xfs_mount *mp; /* filesystem mount point */
unsigned int blocksize; /* logical block size */
unsigned int node_ents; /* how many entries in danode */
xfs_da_state_path_t path; /* search/split paths */
xfs_da_state_path_t altpath; /* alternate path for join */
unsigned char inleaf; /* insert into 1->lf, 0->splf */

36
fs/xfs/xfs_da_format.c
Unescape View File

@ -26,8 +26,10 @@
#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_da_format.h"
#include "xfs_da_btree.h"
#include "xfs_inode.h"
#include "xfs_dir2.h"
#include "xfs_dir2_priv.h"
/*
* Shortform directory ops
@ -425,9 +427,9 @@ xfs_dir3_data_unused_p(struct xfs_dir2_data_hdr *hdr)
* Directory Leaf block operations
*/
static int
xfs_dir2_max_leaf_ents(struct xfs_mount *mp)
xfs_dir2_max_leaf_ents(struct xfs_da_geometry *geo)
{
return (mp->m_dirblksize - sizeof(struct xfs_dir2_leaf_hdr)) /
return (geo->blksize - sizeof(struct xfs_dir2_leaf_hdr)) /
(uint)sizeof(struct xfs_dir2_leaf_entry);
}
@ -438,9 +440,9 @@ xfs_dir2_leaf_ents_p(struct xfs_dir2_leaf *lp)
}
static int
xfs_dir3_max_leaf_ents(struct xfs_mount *mp)
xfs_dir3_max_leaf_ents(struct xfs_da_geometry *geo)
{
return (mp->m_dirblksize - sizeof(struct xfs_dir3_leaf_hdr)) /
return (geo->blksize - sizeof(struct xfs_dir3_leaf_hdr)) /
(uint)sizeof(struct xfs_dir2_leaf_entry);
}
@ -591,9 +593,9 @@ xfs_da3_node_hdr_to_disk(
* Directory free space block operations
*/
static int
xfs_dir2_free_max_bests(struct xfs_mount *mp)
xfs_dir2_free_max_bests(struct xfs_da_geometry *geo)
{
return (mp->m_dirblksize - sizeof(struct xfs_dir2_free_hdr)) /
return (geo->blksize - sizeof(struct xfs_dir2_free_hdr)) /
sizeof(xfs_dir2_data_off_t);
}
@ -607,24 +609,25 @@ xfs_dir2_free_bests_p(struct xfs_dir2_free *free)
* Convert data space db to the corresponding free db.
*/
static xfs_dir2_db_t
xfs_dir2_db_to_fdb(struct xfs_mount *mp, xfs_dir2_db_t db)
xfs_dir2_db_to_fdb(struct xfs_da_geometry *geo, xfs_dir2_db_t db)
{
return XFS_DIR2_FREE_FIRSTDB(mp) + db / xfs_dir2_free_max_bests(mp);
return xfs_dir2_byte_to_db(geo, XFS_DIR2_FREE_OFFSET) +
(db / xfs_dir2_free_max_bests(geo));
}
/*
* Convert data space db to the corresponding index in a free db.
*/
static int
xfs_dir2_db_to_fdindex(struct xfs_mount *mp, xfs_dir2_db_t db)
xfs_dir2_db_to_fdindex(struct xfs_da_geometry *geo, xfs_dir2_db_t db)
{
return db % xfs_dir2_free_max_bests(mp);
return db % xfs_dir2_free_max_bests(geo);
}
static int
xfs_dir3_free_max_bests(struct xfs_mount *mp)
xfs_dir3_free_max_bests(struct xfs_da_geometry *geo)
{
return (mp->m_dirblksize - sizeof(struct xfs_dir3_free_hdr)) /
return (geo->blksize - sizeof(struct xfs_dir3_free_hdr)) /
sizeof(xfs_dir2_data_off_t);
}
@ -638,18 +641,19 @@ xfs_dir3_free_bests_p(struct xfs_dir2_free *free)
* Convert data space db to the corresponding free db.
*/
static xfs_dir2_db_t
xfs_dir3_db_to_fdb(struct xfs_mount *mp, xfs_dir2_db_t db)
xfs_dir3_db_to_fdb(struct xfs_da_geometry *geo, xfs_dir2_db_t db)
{
return XFS_DIR2_FREE_FIRSTDB(mp) + db / xfs_dir3_free_max_bests(mp);
return xfs_dir2_byte_to_db(geo, XFS_DIR2_FREE_OFFSET) +
(db / xfs_dir3_free_max_bests(geo));
}
/*
* Convert data space db to the corresponding index in a free db.
*/
static int
xfs_dir3_db_to_fdindex(struct xfs_mount *mp, xfs_dir2_db_t db)
xfs_dir3_db_to_fdindex(struct xfs_da_geometry *geo, xfs_dir2_db_t db)
{
return db % xfs_dir3_free_max_bests(mp);
return db % xfs_dir3_free_max_bests(geo);
}
static void

154
fs/xfs/xfs_da_format.h
Unescape View File

@ -19,10 +19,6 @@
#ifndef __XFS_DA_FORMAT_H__
#define __XFS_DA_FORMAT_H__
/*========================================================================
* Directory Structure when greater than XFS_LBSIZE(mp) bytes.
*========================================================================*/
/*
* This structure is common to both leaf nodes and non-leaf nodes in the Btree.
*
@ -122,8 +118,6 @@ struct xfs_da3_icnode_hdr {
__uint16_t level;
};
#define XFS_LBSIZE(mp) (mp)->m_sb.sb_blocksize
/*
* Directory version 2.
*
@ -330,8 +324,6 @@ xfs_dir2_sf_firstentry(struct xfs_dir2_sf_hdr *hdr)
#define XFS_DIR2_SPACE_SIZE (1ULL << (32 + XFS_DIR2_DATA_ALIGN_LOG))
#define XFS_DIR2_DATA_SPACE 0
#define XFS_DIR2_DATA_OFFSET (XFS_DIR2_DATA_SPACE * XFS_DIR2_SPACE_SIZE)
#define XFS_DIR2_DATA_FIRSTDB(mp) \
xfs_dir2_byte_to_db(mp, XFS_DIR2_DATA_OFFSET)
/*
* Describe a free area in the data block.
@ -456,8 +448,6 @@ xfs_dir2_data_unused_tag_p(struct xfs_dir2_data_unused *dup)
*/
#define XFS_DIR2_LEAF_SPACE 1
#define XFS_DIR2_LEAF_OFFSET (XFS_DIR2_LEAF_SPACE * XFS_DIR2_SPACE_SIZE)
#define XFS_DIR2_LEAF_FIRSTDB(mp) \
xfs_dir2_byte_to_db(mp, XFS_DIR2_LEAF_OFFSET)
/*
* Leaf block header.
@ -513,17 +503,6 @@ struct xfs_dir3_leaf {
#define XFS_DIR3_LEAF_CRC_OFF offsetof(struct xfs_dir3_leaf_hdr, info.crc)
/*
* Get address of the bestcount field in the single-leaf block.
*/
static inline struct xfs_dir2_leaf_tail *
xfs_dir2_leaf_tail_p(struct xfs_mount *mp, struct xfs_dir2_leaf *lp)
{
return (struct xfs_dir2_leaf_tail *)
((char *)lp + mp->m_dirblksize -
sizeof(struct xfs_dir2_leaf_tail));
}
/*
* Get address of the bests array in the single-leaf block.
*/
@ -533,123 +512,6 @@ xfs_dir2_leaf_bests_p(struct xfs_dir2_leaf_tail *ltp)
return (__be16 *)ltp - be32_to_cpu(ltp->bestcount);
}
/*
* DB blocks here are logical directory block numbers, not filesystem blocks.
*/
/*
* Convert dataptr to byte in file space
*/
static inline xfs_dir2_off_t
xfs_dir2_dataptr_to_byte(xfs_dir2_dataptr_t dp)
{
return (xfs_dir2_off_t)dp << XFS_DIR2_DATA_ALIGN_LOG;
}
/*
* Convert byte in file space to dataptr. It had better be aligned.
*/
static inline xfs_dir2_dataptr_t
xfs_dir2_byte_to_dataptr(xfs_dir2_off_t by)
{
return (xfs_dir2_dataptr_t)(by >> XFS_DIR2_DATA_ALIGN_LOG);
}
/*
* Convert byte in space to (DB) block
*/
static inline xfs_dir2_db_t
xfs_dir2_byte_to_db(struct xfs_mount *mp, xfs_dir2_off_t by)
{
return (xfs_dir2_db_t)
(by >> (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog));
}
/*
* Convert dataptr to a block number
*/
static inline xfs_dir2_db_t
xfs_dir2_dataptr_to_db(struct xfs_mount *mp, xfs_dir2_dataptr_t dp)
{
return xfs_dir2_byte_to_db(mp, xfs_dir2_dataptr_to_byte(dp));
}
/*
* Convert byte in space to offset in a block
*/
static inline xfs_dir2_data_aoff_t
xfs_dir2_byte_to_off(struct xfs_mount *mp, xfs_dir2_off_t by)
{
return (xfs_dir2_data_aoff_t)(by &
((1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) - 1));
}
/*
* Convert dataptr to a byte offset in a block
*/
static inline xfs_dir2_data_aoff_t
xfs_dir2_dataptr_to_off(struct xfs_mount *mp, xfs_dir2_dataptr_t dp)
{
return xfs_dir2_byte_to_off(mp, xfs_dir2_dataptr_to_byte(dp));
}
/*
* Convert block and offset to byte in space
*/
static inline xfs_dir2_off_t
xfs_dir2_db_off_to_byte(struct xfs_mount *mp, xfs_dir2_db_t db,
xfs_dir2_data_aoff_t o)
{
return ((xfs_dir2_off_t)db <<
(mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) + o;
}
/*
* Convert block (DB) to block (dablk)
*/
static inline xfs_dablk_t
xfs_dir2_db_to_da(struct xfs_mount *mp, xfs_dir2_db_t db)
{
return (xfs_dablk_t)(db << mp->m_sb.sb_dirblklog);
}
/*
* Convert byte in space to (DA) block
*/
static inline xfs_dablk_t
xfs_dir2_byte_to_da(struct xfs_mount *mp, xfs_dir2_off_t by)
{
return xfs_dir2_db_to_da(mp, xfs_dir2_byte_to_db(mp, by));
}
/*
* Convert block and offset to dataptr
*/
static inline xfs_dir2_dataptr_t
xfs_dir2_db_off_to_dataptr(struct xfs_mount *mp, xfs_dir2_db_t db,
xfs_dir2_data_aoff_t o)
{
return xfs_dir2_byte_to_dataptr(xfs_dir2_db_off_to_byte(mp, db, o));
}
/*
* Convert block (dablk) to block (DB)
*/
static inline xfs_dir2_db_t
xfs_dir2_da_to_db(struct xfs_mount *mp, xfs_dablk_t da)
{
return (xfs_dir2_db_t)(da >> mp->m_sb.sb_dirblklog);
}
/*
* Convert block (dablk) to byte offset in space
*/
static inline xfs_dir2_off_t
xfs_dir2_da_to_byte(struct xfs_mount *mp, xfs_dablk_t da)
{
return xfs_dir2_db_off_to_byte(mp, xfs_dir2_da_to_db(mp, da), 0);
}
/*
* Free space block defintions for the node format.
*/
@ -659,8 +521,6 @@ xfs_dir2_da_to_byte(struct xfs_mount *mp, xfs_dablk_t da)
*/
#define XFS_DIR2_FREE_SPACE 2
#define XFS_DIR2_FREE_OFFSET (XFS_DIR2_FREE_SPACE * XFS_DIR2_SPACE_SIZE)
#define XFS_DIR2_FREE_FIRSTDB(mp) \
xfs_dir2_byte_to_db(mp, XFS_DIR2_FREE_OFFSET)
typedef struct xfs_dir2_free_hdr {
__be32 magic; /* XFS_DIR2_FREE_MAGIC */
@ -735,16 +595,6 @@ typedef struct xfs_dir2_block_tail {
__be32 stale; /* count of stale lf entries */
} xfs_dir2_block_tail_t;
/*
* Pointer to the leaf header embedded in a data block (1-block format)
*/
static inline struct xfs_dir2_block_tail *
xfs_dir2_block_tail_p(struct xfs_mount *mp, struct xfs_dir2_data_hdr *hdr)
{
return ((struct xfs_dir2_block_tail *)
((char *)hdr + mp->m_dirblksize)) - 1;
}
/*
* Pointer to the leaf entries embedded in a data block (1-block format)
*/
@ -764,10 +614,6 @@ xfs_dir2_block_leaf_p(struct xfs_dir2_block_tail *btp)
* of an attribute name may not be unique, we may have duplicate keys. The
* internal links in the Btree are logical block offsets into the file.
*
*========================================================================
* Attribute structure when equal to XFS_LBSIZE(mp) bytes.
*========================================================================
*
* Struct leaf_entry's are packed from the top. Name/values grow from the
* bottom but are not packed. The freemap contains run-length-encoded entries
* for the free bytes after the leaf_entry's, but only the N largest such,

132
fs/xfs/xfs_dir2.c
Unescape View File

@ -85,11 +85,12 @@ static struct xfs_nameops xfs_ascii_ci_nameops = {
.compname = xfs_ascii_ci_compname,
};
void
xfs_dir_mount(
xfs_mount_t *mp)
int
xfs_da_mount(
struct xfs_mount *mp)
{
int nodehdr_size;
struct xfs_da_geometry *dageo;
int nodehdr_size;
ASSERT(mp->m_sb.sb_versionnum & XFS_SB_VERSION_DIRV2BIT);
@ -99,24 +100,59 @@ xfs_dir_mount(
mp->m_dir_inode_ops = xfs_dir_get_ops(mp, NULL);
mp->m_nondir_inode_ops = xfs_nondir_get_ops(mp, NULL);
mp->m_dirblksize = 1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog);
mp->m_dirblkfsbs = 1 << mp->m_sb.sb_dirblklog;
mp->m_dirdatablk = xfs_dir2_db_to_da(mp, XFS_DIR2_DATA_FIRSTDB(mp));
mp->m_dirleafblk = xfs_dir2_db_to_da(mp, XFS_DIR2_LEAF_FIRSTDB(mp));
mp->m_dirfreeblk = xfs_dir2_db_to_da(mp, XFS_DIR2_FREE_FIRSTDB(mp));
nodehdr_size = mp->m_dir_inode_ops->node_hdr_size;
mp->m_attr_node_ents = (mp->m_sb.sb_blocksize - nodehdr_size) /
mp->m_dir_geo = kmem_zalloc(sizeof(struct xfs_da_geometry),
KM_SLEEP | KM_MAYFAIL);
mp->m_attr_geo = kmem_zalloc(sizeof(struct xfs_da_geometry),
KM_SLEEP | KM_MAYFAIL);
if (!mp->m_dir_geo || !mp->m_attr_geo) {
kmem_free(mp->m_dir_geo);
kmem_free(mp->m_attr_geo);
return ENOMEM;
}
/* set up directory geometry */
dageo = mp->m_dir_geo;
dageo->blklog = mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog;
dageo->fsblog = mp->m_sb.sb_blocklog;
dageo->blksize = 1 << dageo->blklog;
dageo->fsbcount = 1 << mp->m_sb.sb_dirblklog;
/*
* Now we've set up the block conversion variables, we can calculate the
* segment block constants using the geometry structure.
*/
dageo->datablk = xfs_dir2_byte_to_da(dageo, XFS_DIR2_DATA_OFFSET);
dageo->leafblk = xfs_dir2_byte_to_da(dageo, XFS_DIR2_LEAF_OFFSET);
dageo->freeblk = xfs_dir2_byte_to_da(dageo, XFS_DIR2_FREE_OFFSET);
dageo->node_ents = (dageo->blksize - nodehdr_size) /
(uint)sizeof(xfs_da_node_entry_t);
mp->m_dir_node_ents = (mp->m_dirblksize - nodehdr_size) /
dageo->magicpct = (dageo->blksize * 37) / 100;
/* set up attribute geometry - single fsb only */
dageo = mp->m_attr_geo;
dageo->blklog = mp->m_sb.sb_blocklog;
dageo->fsblog = mp->m_sb.sb_blocklog;
dageo->blksize = 1 << dageo->blklog;
dageo->fsbcount = 1;
dageo->node_ents = (dageo->blksize - nodehdr_size) /
(uint)sizeof(xfs_da_node_entry_t);
dageo->magicpct = (dageo->blksize * 37) / 100;
mp->m_dir_magicpct = (mp->m_dirblksize * 37) / 100;
if (xfs_sb_version_hasasciici(&mp->m_sb))
mp->m_dirnameops = &xfs_ascii_ci_nameops;
else
mp->m_dirnameops = &xfs_default_nameops;
return 0;
}
void
xfs_da_unmount(
struct xfs_mount *mp)
{
kmem_free(mp->m_dir_geo);
kmem_free(mp->m_attr_geo);
}
/*
@ -192,6 +228,7 @@ xfs_dir_init(
if (!args)
return ENOMEM;
args->geo = dp->i_mount->m_dir_geo;
args->dp = dp;
args->trans = tp;
error = xfs_dir2_sf_create(args, pdp->i_ino);
@ -226,6 +263,7 @@ xfs_dir_createname(
if (!args)
return ENOMEM;
args->geo = dp->i_mount->m_dir_geo;
args->name = name->name;
args->namelen = name->len;
args->filetype = name->type;
@ -244,7 +282,7 @@ xfs_dir_createname(
goto out_free;
}
rval = xfs_dir2_isblock(dp, &v);
rval = xfs_dir2_isblock(args, &v);
if (rval)
goto out_free;
if (v) {
@ -252,7 +290,7 @@ xfs_dir_createname(
goto out_free;
}
rval = xfs_dir2_isleaf(dp, &v);
rval = xfs_dir2_isleaf(args, &v);
if (rval)
goto out_free;
if (v)
@ -320,6 +358,7 @@ xfs_dir_lookup(
* annotations into the reclaim path for the ilock.
*/
args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS);
args->geo = dp->i_mount->m_dir_geo;
args->name = name->name;
args->namelen = name->len;
args->filetype = name->type;
@ -336,7 +375,7 @@ xfs_dir_lookup(
goto out_check_rval;
}
rval = xfs_dir2_isblock(dp, &v);
rval = xfs_dir2_isblock(args, &v);
if (rval)
goto out_free;
if (v) {
@ -344,7 +383,7 @@ xfs_dir_lookup(
goto out_check_rval;
}
rval = xfs_dir2_isleaf(dp, &v);
rval = xfs_dir2_isleaf(args, &v);
if (rval)
goto out_free;
if (v)
@ -391,6 +430,7 @@ xfs_dir_removename(
if (!args)
return ENOMEM;
args->geo = dp->i_mount->m_dir_geo;
args->name = name->name;
args->namelen = name->len;
args->filetype = name->type;
@ -408,7 +448,7 @@ xfs_dir_removename(
goto out_free;
}
rval = xfs_dir2_isblock(dp, &v);
rval = xfs_dir2_isblock(args, &v);
if (rval)
goto out_free;
if (v) {
@ -416,7 +456,7 @@ xfs_dir_removename(
goto out_free;
}
rval = xfs_dir2_isleaf(dp, &v);
rval = xfs_dir2_isleaf(args, &v);
if (rval)
goto out_free;
if (v)
@ -455,6 +495,7 @@ xfs_dir_replace(
if (!args)
return ENOMEM;
args->geo = dp->i_mount->m_dir_geo;
args->name = name->name;
args->namelen = name->len;
args->filetype = name->type;
@ -472,7 +513,7 @@ xfs_dir_replace(
goto out_free;
}
rval = xfs_dir2_isblock(dp, &v);
rval = xfs_dir2_isblock(args, &v);
if (rval)
goto out_free;
if (v) {
@ -480,7 +521,7 @@ xfs_dir_replace(
goto out_free;
}
rval = xfs_dir2_isleaf(dp, &v);
rval = xfs_dir2_isleaf(args, &v);
if (rval)
goto out_free;
if (v)
@ -516,6 +557,7 @@ xfs_dir_canenter(
if (!args)
return ENOMEM;
args->geo = dp->i_mount->m_dir_geo;
args->name = name->name;
args->namelen = name->len;
args->filetype = name->type;
@ -531,7 +573,7 @@ xfs_dir_canenter(
goto out_free;
}
rval = xfs_dir2_isblock(dp, &v);
rval = xfs_dir2_isblock(args, &v);
if (rval)
goto out_free;
if (v) {
@ -539,7 +581,7 @@ xfs_dir_canenter(
goto out_free;
}
rval = xfs_dir2_isleaf(dp, &v);
rval = xfs_dir2_isleaf(args, &v);
if (rval)
goto out_free;
if (v)
@ -579,13 +621,13 @@ xfs_dir2_grow_inode(
* Set lowest possible block in the space requested.
*/
bno = XFS_B_TO_FSBT(mp, space * XFS_DIR2_SPACE_SIZE);
count = mp->m_dirblkfsbs;
count = args->geo->fsbcount;
error = xfs_da_grow_inode_int(args, &bno, count);
if (error)
return error;
*dbp = xfs_dir2_da_to_db(mp, (xfs_dablk_t)bno);
*dbp = xfs_dir2_da_to_db(args->geo, (xfs_dablk_t)bno);
/*
* Update file's size if this is the data space and it grew.
@ -607,18 +649,16 @@ xfs_dir2_grow_inode(
*/
int
xfs_dir2_isblock(
xfs_inode_t *dp,
int *vp) /* out: 1 is block, 0 is not block */
struct xfs_da_args *args,
int *vp) /* out: 1 is block, 0 is not block */
{
xfs_fileoff_t last; /* last file offset */
xfs_mount_t *mp;
int rval;
xfs_fileoff_t last; /* last file offset */
int rval;
mp = dp->i_mount;
if ((rval = xfs_bmap_last_offset(dp, &last, XFS_DATA_FORK)))
if ((rval = xfs_bmap_last_offset(args->dp, &last, XFS_DATA_FORK)))
return rval;
rval = XFS_FSB_TO_B(mp, last) == mp->m_dirblksize;
ASSERT(rval == 0 || dp->i_d.di_size == mp->m_dirblksize);
rval = XFS_FSB_TO_B(args->dp->i_mount, last) == args->geo->blksize;
ASSERT(rval == 0 || args->dp->i_d.di_size == args->geo->blksize);
*vp = rval;
return 0;
}
@ -628,17 +668,15 @@ xfs_dir2_isblock(
*/
int
xfs_dir2_isleaf(
xfs_inode_t *dp,
int *vp) /* out: 1 is leaf, 0 is not leaf */
struct xfs_da_args *args,
int *vp) /* out: 1 is block, 0 is not block */
{
xfs_fileoff_t last; /* last file offset */
xfs_mount_t *mp;
int rval;
xfs_fileoff_t last; /* last file offset */
int rval;
mp = dp->i_mount;
if ((rval = xfs_bmap_last_offset(dp, &last, XFS_DATA_FORK)))
if ((rval = xfs_bmap_last_offset(args->dp, &last, XFS_DATA_FORK)))
return rval;
*vp = last == mp->m_dirleafblk + (1 << mp->m_sb.sb_dirblklog);
*vp = last == args->geo->leafblk + args->geo->fsbcount;
return 0;
}
@ -666,11 +704,11 @@ xfs_dir2_shrink_inode(
dp = args->dp;
mp = dp->i_mount;
tp = args->trans;
da = xfs_dir2_db_to_da(mp, db);
da = xfs_dir2_db_to_da(args->geo, db);
/*
* Unmap the fsblock(s).
*/
if ((error = xfs_bunmapi(tp, dp, da, mp->m_dirblkfsbs,
if ((error = xfs_bunmapi(tp, dp, da, args->geo->fsbcount,
XFS_BMAPI_METADATA, 0, args->firstblock, args->flist,
&done))) {
/*
@ -697,12 +735,12 @@ xfs_dir2_shrink_inode(
/*
* If it's not a data block, we're done.
*/
if (db >= XFS_DIR2_LEAF_FIRSTDB(mp))
if (db >= xfs_dir2_byte_to_db(args->geo, XFS_DIR2_LEAF_OFFSET))
return 0;
/*
* If the block isn't the last one in the directory, we're done.
*/
if (dp->i_d.di_size > xfs_dir2_db_off_to_byte(mp, db + 1, 0))
if (dp->i_d.di_size > xfs_dir2_db_off_to_byte(args->geo, db + 1, 0))
return 0;
bno = da;
if ((error = xfs_bmap_last_before(tp, dp, &bno, XFS_DATA_FORK))) {
@ -711,7 +749,7 @@ xfs_dir2_shrink_inode(
*/
return error;
}
if (db == mp->m_dirdatablk)
if (db == args->geo->datablk)
ASSERT(bno == 0);
else
ASSERT(bno > 0);

30
fs/xfs/xfs_dir2.h
Unescape View File

@ -80,7 +80,7 @@ struct xfs_dir_ops {
struct xfs_dir3_icleaf_hdr *from);
void (*leaf_hdr_from_disk)(struct xfs_dir3_icleaf_hdr *to,
struct xfs_dir2_leaf *from);
int (*leaf_max_ents)(struct xfs_mount *mp);
int (*leaf_max_ents)(struct xfs_da_geometry *geo);
struct xfs_dir2_leaf_entry *
(*leaf_ents_p)(struct xfs_dir2_leaf *lp);
@ -97,10 +97,12 @@ struct xfs_dir_ops {
struct xfs_dir3_icfree_hdr *from);
void (*free_hdr_from_disk)(struct xfs_dir3_icfree_hdr *to,
struct xfs_dir2_free *from);
int (*free_max_bests)(struct xfs_mount *mp);
int (*free_max_bests)(struct xfs_da_geometry *geo);
__be16 * (*free_bests_p)(struct xfs_dir2_free *free);
xfs_dir2_db_t (*db_to_fdb)(struct xfs_mount *mp, xfs_dir2_db_t db);
int (*db_to_fdindex)(struct xfs_mount *mp, xfs_dir2_db_t db);
xfs_dir2_db_t (*db_to_fdb)(struct xfs_da_geometry *geo,
xfs_dir2_db_t db);
int (*db_to_fdindex)(struct xfs_da_geometry *geo,
xfs_dir2_db_t db);
};
extern const struct xfs_dir_ops *
@ -112,7 +114,9 @@ extern const struct xfs_dir_ops *
* Generic directory interface routines
*/
extern void xfs_dir_startup(void);
extern void xfs_dir_mount(struct xfs_mount *mp);
extern int xfs_da_mount(struct xfs_mount *mp);
extern void xfs_da_unmount(struct xfs_mount *mp);
extern int xfs_dir_isempty(struct xfs_inode *dp);
extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp,
struct xfs_inode *pdp);
@ -142,23 +146,23 @@ extern int xfs_dir2_sf_to_block(struct xfs_da_args *args);
/*
* Interface routines used by userspace utilities
*/
extern int xfs_dir2_isblock(struct xfs_inode *dp, int *r);
extern int xfs_dir2_isleaf(struct xfs_inode *dp, int *r);
extern int xfs_dir2_isblock(struct xfs_da_args *args, int *r);
extern int xfs_dir2_isleaf(struct xfs_da_args *args, int *r);
extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db,
struct xfs_buf *bp);
extern void xfs_dir2_data_freescan(struct xfs_inode *dp,
struct xfs_dir2_data_hdr *hdr, int *loghead);
extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_inode *dp,
extern void xfs_dir2_data_log_entry(struct xfs_da_args *args,
struct xfs_buf *bp, struct xfs_dir2_data_entry *dep);
extern void xfs_dir2_data_log_header(struct xfs_trans *tp, struct xfs_inode *dp,
extern void xfs_dir2_data_log_header(struct xfs_da_args *args,
struct xfs_buf *bp);
extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_buf *bp,
struct xfs_dir2_data_unused *dup);
extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_inode *dp,
extern void xfs_dir2_data_log_unused(struct xfs_da_args *args,
struct xfs_buf *bp, struct xfs_dir2_data_unused *dup);
extern void xfs_dir2_data_make_free(struct xfs_da_args *args,
struct xfs_buf *bp, xfs_dir2_data_aoff_t offset,
xfs_dir2_data_aoff_t len, int *needlogp, int *needscanp);
extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_inode *dp,
extern void xfs_dir2_data_use_free(struct xfs_da_args *args,
struct xfs_buf *bp, struct xfs_dir2_data_unused *dup,
xfs_dir2_data_aoff_t offset, xfs_dir2_data_aoff_t len,
int *needlogp, int *needscanp);

88
fs/xfs/xfs_dir2_block.c
Unescape View File

@ -136,7 +136,7 @@ xfs_dir3_block_read(
struct xfs_mount *mp = dp->i_mount;
int err;
err = xfs_da_read_buf(tp, dp, mp->m_dirdatablk, -1, bpp,
err = xfs_da_read_buf(tp, dp, mp->m_dir_geo->datablk, -1, bpp,
XFS_DATA_FORK, &xfs_dir3_block_buf_ops);
if (!err && tp)
xfs_trans_buf_set_type(tp, *bpp, XFS_BLFT_DIR_BLOCK_BUF);
@ -281,8 +281,7 @@ out:
*/
static void
xfs_dir2_block_compact(
struct xfs_trans *tp,
struct xfs_inode *dp,
struct xfs_da_args *args,
struct xfs_buf *bp,
struct xfs_dir2_data_hdr *hdr,
struct xfs_dir2_block_tail *btp,
@ -315,7 +314,7 @@ xfs_dir2_block_compact(
*lfloglow = toidx + 1 - (be32_to_cpu(btp->stale) - 1);
*lfloghigh -= be32_to_cpu(btp->stale) - 1;
be32_add_cpu(&btp->count, -(be32_to_cpu(btp->stale) - 1));
xfs_dir2_data_make_free(tp, dp, bp,
xfs_dir2_data_make_free(args, bp,
(xfs_dir2_data_aoff_t)((char *)blp - (char *)hdr),
(xfs_dir2_data_aoff_t)((be32_to_cpu(btp->stale) - 1) * sizeof(*blp)),
needlog, &needscan);
@ -325,7 +324,7 @@ xfs_dir2_block_compact(
* This needs to happen before the next call to use_free.
*/
if (needscan)
xfs_dir2_data_freescan(dp, hdr, needlog);
xfs_dir2_data_freescan(args->dp, hdr, needlog);
}
/*
@ -377,7 +376,7 @@ xfs_dir2_block_addname(
* Set up pointers to parts of the block.
*/
hdr = bp->b_addr;
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
/*
@ -420,7 +419,7 @@ xfs_dir2_block_addname(
* If need to compact the leaf entries, do it now.
*/
if (compact) {
xfs_dir2_block_compact(tp, dp, bp, hdr, btp, blp, &needlog,
xfs_dir2_block_compact(args, bp, hdr, btp, blp, &needlog,
&lfloghigh, &lfloglow);
/* recalculate blp post-compaction */
blp = xfs_dir2_block_leaf_p(btp);
@ -455,7 +454,7 @@ xfs_dir2_block_addname(
/*
* Mark the space needed for the new leaf entry, now in use.
*/
xfs_dir2_data_use_free(tp, dp, bp, enddup,
xfs_dir2_data_use_free(args, bp, enddup,
(xfs_dir2_data_aoff_t)
((char *)enddup - (char *)hdr + be16_to_cpu(enddup->length) -
sizeof(*blp)),
@ -542,7 +541,7 @@ xfs_dir2_block_addname(
/*
* Mark space for the data entry used.
*/
xfs_dir2_data_use_free(tp, dp, bp, dup,
xfs_dir2_data_use_free(args, bp, dup,
(xfs_dir2_data_aoff_t)((char *)dup - (char *)hdr),
(xfs_dir2_data_aoff_t)len, &needlog, &needscan);
/*
@ -560,9 +559,9 @@ xfs_dir2_block_addname(
if (needscan)
xfs_dir2_data_freescan(dp, hdr, &needlog);
if (needlog)
xfs_dir2_data_log_header(tp, dp, bp);
xfs_dir2_data_log_header(args, bp);
xfs_dir2_block_log_tail(tp, bp);
xfs_dir2_data_log_entry(tp, dp, bp, dep);
xfs_dir2_data_log_entry(args, bp, dep);
xfs_dir3_data_check(dp, bp);
return 0;
}
@ -581,7 +580,7 @@ xfs_dir2_block_log_leaf(
xfs_dir2_leaf_entry_t *blp;
xfs_dir2_block_tail_t *btp;
btp = xfs_dir2_block_tail_p(tp->t_mountp, hdr);
btp = xfs_dir2_block_tail_p(tp->t_mountp->m_dir_geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
xfs_trans_log_buf(tp, bp, (uint)((char *)&blp[first] - (char *)hdr),
(uint)((char *)&blp[last + 1] - (char *)hdr - 1));
@ -598,7 +597,7 @@ xfs_dir2_block_log_tail(
xfs_dir2_data_hdr_t *hdr = bp->b_addr;
xfs_dir2_block_tail_t *btp;
btp = xfs_dir2_block_tail_p(tp->t_mountp, hdr);
btp = xfs_dir2_block_tail_p(tp->t_mountp->m_dir_geo, hdr);
xfs_trans_log_buf(tp, bp, (uint)((char *)btp - (char *)hdr),
(uint)((char *)(btp + 1) - (char *)hdr - 1));
}
@ -633,13 +632,14 @@ xfs_dir2_block_lookup(
mp = dp->i_mount;
hdr = bp->b_addr;
xfs_dir3_data_check(dp, bp);
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
/*
* Get the offset from the leaf entry, to point to the data.
*/
dep = (xfs_dir2_data_entry_t *)((char *)hdr +
xfs_dir2_dataptr_to_off(mp, be32_to_cpu(blp[ent].address)));
xfs_dir2_dataptr_to_off(args->geo,
be32_to_cpu(blp[ent].address)));
/*
* Fill in inode number, CI name if appropriate, release the block.
*/
@ -685,7 +685,7 @@ xfs_dir2_block_lookup_int(
hdr = bp->b_addr;
xfs_dir3_data_check(dp, bp);
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
/*
* Loop doing a binary search for our hash value.
@ -723,7 +723,7 @@ xfs_dir2_block_lookup_int(
* Get pointer to the entry from the leaf.
*/
dep = (xfs_dir2_data_entry_t *)
((char *)hdr + xfs_dir2_dataptr_to_off(mp, addr));
((char *)hdr + xfs_dir2_dataptr_to_off(args->geo, addr));
/*
* Compare name and if it's an exact match, return the index
* and buffer. If it's the first case-insensitive match, store
@ -790,18 +790,19 @@ xfs_dir2_block_removename(
tp = args->trans;
mp = dp->i_mount;
hdr = bp->b_addr;
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
/*
* Point to the data entry using the leaf entry.
*/
dep = (xfs_dir2_data_entry_t *)
((char *)hdr + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(blp[ent].address)));
dep = (xfs_dir2_data_entry_t *)((char *)hdr +
xfs_dir2_dataptr_to_off(args->geo,
be32_to_cpu(blp[ent].address)));
/*
* Mark the data entry's space free.
*/
needlog = needscan = 0;
xfs_dir2_data_make_free(tp, dp, bp,
xfs_dir2_data_make_free(args, bp,
(xfs_dir2_data_aoff_t)((char *)dep - (char *)hdr),
dp->d_ops->data_entsize(dep->namelen), &needlog, &needscan);
/*
@ -820,7 +821,7 @@ xfs_dir2_block_removename(
if (needscan)
xfs_dir2_data_freescan(dp, hdr, &needlog);
if (needlog)
xfs_dir2_data_log_header(tp, dp, bp);
xfs_dir2_data_log_header(args, bp);
xfs_dir3_data_check(dp, bp);
/*
* See if the size as a shortform is good enough.
@ -865,20 +866,21 @@ xfs_dir2_block_replace(
dp = args->dp;
mp = dp->i_mount;
hdr = bp->b_addr;
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
/*
* Point to the data entry we need to change.
*/
dep = (xfs_dir2_data_entry_t *)
((char *)hdr + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(blp[ent].address)));
dep = (xfs_dir2_data_entry_t *)((char *)hdr +
xfs_dir2_dataptr_to_off(args->geo,
be32_to_cpu(blp[ent].address)));
ASSERT(be64_to_cpu(dep->inumber) != args->inumber);
/*
* Change the inode number to the new value.
*/
dep->inumber = cpu_to_be64(args->inumber);
dp->d_ops->data_put_ftype(dep, args->filetype);
xfs_dir2_data_log_entry(args->trans, dp, bp, dep);
xfs_dir2_data_log_entry(args, bp, dep);
xfs_dir3_data_check(dp, bp);
return 0;
}
@ -938,7 +940,7 @@ xfs_dir2_leaf_to_block(
leaf = lbp->b_addr;
dp->d_ops->leaf_hdr_from_disk(&leafhdr, leaf);
ents = dp->d_ops->leaf_ents_p(leaf);
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
ltp = xfs_dir2_leaf_tail_p(args->geo, leaf);
ASSERT(leafhdr.magic == XFS_DIR2_LEAF1_MAGIC ||
leafhdr.magic == XFS_DIR3_LEAF1_MAGIC);
@ -948,13 +950,13 @@ xfs_dir2_leaf_to_block(
* been left behind during no-space-reservation operations.
* These will show up in the leaf bests table.
*/
while (dp->i_d.di_size > mp->m_dirblksize) {
while (dp->i_d.di_size > args->geo->blksize) {
int hdrsz;
hdrsz = dp->d_ops->data_entry_offset;
bestsp = xfs_dir2_leaf_bests_p(ltp);
if (be16_to_cpu(bestsp[be32_to_cpu(ltp->bestcount) - 1]) ==
mp->m_dirblksize - hdrsz) {
args->geo->blksize - hdrsz) {
if ((error =
xfs_dir2_leaf_trim_data(args, lbp,
(xfs_dir2_db_t)(be32_to_cpu(ltp->bestcount) - 1))))
@ -966,7 +968,7 @@ xfs_dir2_leaf_to_block(
* Read the data block if we don't already have it, give up if it fails.
*/
if (!dbp) {
error = xfs_dir3_data_read(tp, dp, mp->m_dirdatablk, -1, &dbp);
error = xfs_dir3_data_read(tp, dp, args->geo->datablk, -1, &dbp);
if (error)
return error;
}
@ -982,7 +984,7 @@ xfs_dir2_leaf_to_block(
/*
* Look at the last data entry.
*/
tagp = (__be16 *)((char *)hdr + mp->m_dirblksize) - 1;
tagp = (__be16 *)((char *)hdr + args->geo->blksize) - 1;
dup = (xfs_dir2_data_unused_t *)((char *)hdr + be16_to_cpu(*tagp));
/*
* If it's not free or is too short we can't do it.
@ -1001,12 +1003,12 @@ xfs_dir2_leaf_to_block(
/*
* Use up the space at the end of the block (blp/btp).
*/
xfs_dir2_data_use_free(tp, dp, dbp, dup, mp->m_dirblksize - size, size,
xfs_dir2_data_use_free(args, dbp, dup, args->geo->blksize - size, size,
&needlog, &needscan);
/*
* Initialize the block tail.
*/
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
btp->count = cpu_to_be32(leafhdr.count - leafhdr.stale);
btp->stale = 0;
xfs_dir2_block_log_tail(tp, dbp);
@ -1027,11 +1029,11 @@ xfs_dir2_leaf_to_block(
if (needscan)
xfs_dir2_data_freescan(dp, hdr, &needlog);
if (needlog)
xfs_dir2_data_log_header(tp, dp, dbp);
xfs_dir2_data_log_header(args, dbp);
/*
* Pitch the old leaf block.
*/
error = xfs_da_shrink_inode(args, mp->m_dirleafblk, lbp);
error = xfs_da_shrink_inode(args, args->geo->leafblk, lbp);
if (error)
return error;
@ -1140,13 +1142,13 @@ xfs_dir2_sf_to_block(
*/
dup = dp->d_ops->data_unused_p(hdr);
needlog = needscan = 0;
xfs_dir2_data_use_free(tp, dp, bp, dup, mp->m_dirblksize - i, i, &needlog,
&needscan);
xfs_dir2_data_use_free(args, bp, dup, args->geo->blksize - i,
i, &needlog, &needscan);
ASSERT(needscan == 0);
/*
* Fill in the tail.
*/
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
btp->count = cpu_to_be32(sfp->count + 2); /* ., .. */
btp->stale = 0;
blp = xfs_dir2_block_leaf_p(btp);
@ -1154,7 +1156,7 @@ xfs_dir2_sf_to_block(
/*
* Remove the freespace, we'll manage it.
*/
xfs_dir2_data_use_free(tp, dp, bp, dup,
xfs_dir2_data_use_free(args, bp, dup,
(xfs_dir2_data_aoff_t)((char *)dup - (char *)hdr),
be16_to_cpu(dup->length), &needlog, &needscan);
/*
@ -1167,7 +1169,7 @@ xfs_dir2_sf_to_block(
dp->d_ops->data_put_ftype(dep, XFS_DIR3_FT_DIR);
tagp = dp->d_ops->data_entry_tag_p(dep);
*tagp = cpu_to_be16((char *)dep - (char *)hdr);
xfs_dir2_data_log_entry(tp, dp, bp, dep);
xfs_dir2_data_log_entry(args, bp, dep);
blp[0].hashval = cpu_to_be32(xfs_dir_hash_dot);
blp[0].address = cpu_to_be32(xfs_dir2_byte_to_dataptr(
(char *)dep - (char *)hdr));
@ -1181,7 +1183,7 @@ xfs_dir2_sf_to_block(
dp->d_ops->data_put_ftype(dep, XFS_DIR3_FT_DIR);
tagp = dp->d_ops->data_entry_tag_p(dep);
*tagp = cpu_to_be16((char *)dep - (char *)hdr);
xfs_dir2_data_log_entry(tp, dp, bp, dep);
xfs_dir2_data_log_entry(args, bp, dep);
blp[1].hashval = cpu_to_be32(xfs_dir_hash_dotdot);
blp[1].address = cpu_to_be32(xfs_dir2_byte_to_dataptr(
(char *)dep - (char *)hdr));
@ -1215,7 +1217,7 @@ xfs_dir2_sf_to_block(
dup->length = cpu_to_be16(newoffset - offset);
*xfs_dir2_data_unused_tag_p(dup) = cpu_to_be16(
((char *)dup - (char *)hdr));
xfs_dir2_data_log_unused(tp, bp, dup);
xfs_dir2_data_log_unused(args, bp, dup);
xfs_dir2_data_freeinsert(hdr,
dp->d_ops->data_bestfree_p(hdr),
dup, &dummy);
@ -1232,7 +1234,7 @@ xfs_dir2_sf_to_block(
memcpy(dep->name, sfep->name, dep->namelen);
tagp = dp->d_ops->data_entry_tag_p(dep);
*tagp = cpu_to_be16((char *)dep - (char *)hdr);
xfs_dir2_data_log_entry(tp, dp, bp, dep);
xfs_dir2_data_log_entry(args, bp, dep);
name.name = sfep->name;
name.len = sfep->namelen;
blp[2 + i].hashval = cpu_to_be32(mp->m_dirnameops->

80
fs/xfs/xfs_dir2_data.c
Unescape View File

@ -63,8 +63,10 @@ __xfs_dir3_data_check(
int stale; /* count of stale leaves */
struct xfs_name name;
const struct xfs_dir_ops *ops;
struct xfs_da_geometry *geo;
mp = bp->b_target->bt_mount;
geo = mp->m_dir_geo;
/*
* We can be passed a null dp here from a verifier, so we need to go the
@ -78,7 +80,7 @@ __xfs_dir3_data_check(
switch (hdr->magic) {
case cpu_to_be32(XFS_DIR3_BLOCK_MAGIC):
case cpu_to_be32(XFS_DIR2_BLOCK_MAGIC):
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(geo, hdr);
lep = xfs_dir2_block_leaf_p(btp);
endp = (char *)lep;
@ -94,7 +96,7 @@ __xfs_dir3_data_check(
break;
case cpu_to_be32(XFS_DIR3_DATA_MAGIC):
case cpu_to_be32(XFS_DIR2_DATA_MAGIC):
endp = (char *)hdr + mp->m_dirblksize;
endp = (char *)hdr + geo->blksize;
break;
default:
XFS_ERROR_REPORT("Bad Magic", XFS_ERRLEVEL_LOW, mp);
@ -172,9 +174,9 @@ __xfs_dir3_data_check(
lastfree = 0;
if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC)) {
addr = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
(xfs_dir2_data_aoff_t)
((char *)dep - (char *)hdr));
addr = xfs_dir2_db_off_to_dataptr(geo, geo->datablk,
(xfs_dir2_data_aoff_t)
((char *)dep - (char *)hdr));
name.name = dep->name;
name.len = dep->namelen;
hash = mp->m_dirnameops->hashname(&name);
@ -509,6 +511,7 @@ xfs_dir2_data_freescan(
struct xfs_dir2_data_free *bf;
char *endp; /* end of block's data */
char *p; /* current entry pointer */
struct xfs_da_geometry *geo = dp->i_mount->m_dir_geo;
ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) ||
@ -527,10 +530,10 @@ xfs_dir2_data_freescan(
p = (char *)dp->d_ops->data_entry_p(hdr);
if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC)) {
btp = xfs_dir2_block_tail_p(dp->i_mount, hdr);
btp = xfs_dir2_block_tail_p(geo, hdr);
endp = (char *)xfs_dir2_block_leaf_p(btp);
} else
endp = (char *)hdr + dp->i_mount->m_dirblksize;
endp = (char *)hdr + geo->blksize;
/*
* Loop over the block's entries.
*/
@ -584,8 +587,8 @@ xfs_dir3_data_init(
/*
* Get the buffer set up for the block.
*/
error = xfs_da_get_buf(tp, dp, xfs_dir2_db_to_da(mp, blkno), -1, &bp,
XFS_DATA_FORK);
error = xfs_da_get_buf(tp, dp, xfs_dir2_db_to_da(args->geo, blkno),
-1, &bp, XFS_DATA_FORK);
if (error)
return error;
bp->b_ops = &xfs_dir3_data_buf_ops;
@ -620,15 +623,15 @@ xfs_dir3_data_init(
dup = dp->d_ops->data_unused_p(hdr);
dup->freetag = cpu_to_be16(XFS_DIR2_DATA_FREE_TAG);
t = mp->m_dirblksize - (uint)dp->d_ops->data_entry_offset;
t = args->geo->blksize - (uint)dp->d_ops->data_entry_offset;
bf[0].length = cpu_to_be16(t);
dup->length = cpu_to_be16(t);
*xfs_dir2_data_unused_tag_p(dup) = cpu_to_be16((char *)dup - (char *)hdr);
/*
* Log it and return it.
*/
xfs_dir2_data_log_header(tp, dp, bp);
xfs_dir2_data_log_unused(tp, bp, dup);
xfs_dir2_data_log_header(args, bp);
xfs_dir2_data_log_unused(args, bp, dup);
*bpp = bp;
return 0;
}
@ -638,8 +641,7 @@ xfs_dir3_data_init(
*/
void
xfs_dir2_data_log_entry(
struct xfs_trans *tp,
struct xfs_inode *dp,
struct xfs_da_args *args,
struct xfs_buf *bp,
xfs_dir2_data_entry_t *dep) /* data entry pointer */
{
@ -650,8 +652,8 @@ xfs_dir2_data_log_entry(
hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC));
xfs_trans_log_buf(tp, bp, (uint)((char *)dep - (char *)hdr),
(uint)((char *)(dp->d_ops->data_entry_tag_p(dep) + 1) -
xfs_trans_log_buf(args->trans, bp, (uint)((char *)dep - (char *)hdr),
(uint)((char *)(args->dp->d_ops->data_entry_tag_p(dep) + 1) -
(char *)hdr - 1));
}
@ -660,8 +662,7 @@ xfs_dir2_data_log_entry(
*/
void
xfs_dir2_data_log_header(
struct xfs_trans *tp,
struct xfs_inode *dp,
struct xfs_da_args *args,
struct xfs_buf *bp)
{
#ifdef DEBUG
@ -673,7 +674,8 @@ xfs_dir2_data_log_header(
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC));
#endif
xfs_trans_log_buf(tp, bp, 0, dp->d_ops->data_entry_offset - 1);
xfs_trans_log_buf(args->trans, bp, 0,
args->dp->d_ops->data_entry_offset - 1);
}
/*
@ -681,7 +683,7 @@ xfs_dir2_data_log_header(
*/
void
xfs_dir2_data_log_unused(
struct xfs_trans *tp,
struct xfs_da_args *args,
struct xfs_buf *bp,
xfs_dir2_data_unused_t *dup) /* data unused pointer */
{
@ -695,13 +697,13 @@ xfs_dir2_data_log_unused(
/*
* Log the first part of the unused entry.
*/
xfs_trans_log_buf(tp, bp, (uint)((char *)dup - (char *)hdr),
xfs_trans_log_buf(args->trans, bp, (uint)((char *)dup - (char *)hdr),
(uint)((char *)&dup->length + sizeof(dup->length) -
1 - (char *)hdr));
/*
* Log the end (tag) of the unused entry.
*/
xfs_trans_log_buf(tp, bp,
xfs_trans_log_buf(args->trans, bp,
(uint)((char *)xfs_dir2_data_unused_tag_p(dup) - (char *)hdr),
(uint)((char *)xfs_dir2_data_unused_tag_p(dup) - (char *)hdr +
sizeof(xfs_dir2_data_off_t) - 1));
@ -713,8 +715,7 @@ xfs_dir2_data_log_unused(
*/
void
xfs_dir2_data_make_free(
struct xfs_trans *tp,
struct xfs_inode *dp,
struct xfs_da_args *args,
struct xfs_buf *bp,
xfs_dir2_data_aoff_t offset, /* starting byte offset */
xfs_dir2_data_aoff_t len, /* length in bytes */
@ -724,14 +725,12 @@ xfs_dir2_data_make_free(
xfs_dir2_data_hdr_t *hdr; /* data block pointer */
xfs_dir2_data_free_t *dfp; /* bestfree pointer */
char *endptr; /* end of data area */
xfs_mount_t *mp; /* filesystem mount point */
int needscan; /* need to regen bestfree */
xfs_dir2_data_unused_t *newdup; /* new unused entry */
xfs_dir2_data_unused_t *postdup; /* unused entry after us */
xfs_dir2_data_unused_t *prevdup; /* unused entry before us */
struct xfs_dir2_data_free *bf;
mp = tp->t_mountp;
hdr = bp->b_addr;
/*
@ -739,20 +738,20 @@ xfs_dir2_data_make_free(
*/
if (hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC))
endptr = (char *)hdr + mp->m_dirblksize;
endptr = (char *)hdr + args->geo->blksize;
else {
xfs_dir2_block_tail_t *btp; /* block tail */
ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC));
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
endptr = (char *)xfs_dir2_block_leaf_p(btp);
}
/*
* If this isn't the start of the block, then back up to
* the previous entry and see if it's free.
*/
if (offset > dp->d_ops->data_entry_offset) {
if (offset > args->dp->d_ops->data_entry_offset) {
__be16 *tagp; /* tag just before us */
tagp = (__be16 *)((char *)hdr + offset) - 1;
@ -778,7 +777,7 @@ xfs_dir2_data_make_free(
* Previous and following entries are both free,
* merge everything into a single free entry.
*/
bf = dp->d_ops->data_bestfree_p(hdr);
bf = args->dp->d_ops->data_bestfree_p(hdr);
if (prevdup && postdup) {
xfs_dir2_data_free_t *dfp2; /* another bestfree pointer */
@ -800,7 +799,7 @@ xfs_dir2_data_make_free(
be16_add_cpu(&prevdup->length, len + be16_to_cpu(postdup->length));
*xfs_dir2_data_unused_tag_p(prevdup) =
cpu_to_be16((char *)prevdup - (char *)hdr);
xfs_dir2_data_log_unused(tp, bp, prevdup);
xfs_dir2_data_log_unused(args, bp, prevdup);
if (!needscan) {
/*
* Has to be the case that entries 0 and 1 are
@ -835,7 +834,7 @@ xfs_dir2_data_make_free(
be16_add_cpu(&prevdup->length, len);
*xfs_dir2_data_unused_tag_p(prevdup) =
cpu_to_be16((char *)prevdup - (char *)hdr);
xfs_dir2_data_log_unused(tp, bp, prevdup);
xfs_dir2_data_log_unused(args, bp, prevdup);
/*
* If the previous entry was in the table, the new entry
* is longer, so it will be in the table too. Remove
@ -863,7 +862,7 @@ xfs_dir2_data_make_free(
newdup->length = cpu_to_be16(len + be16_to_cpu(postdup->length));
*xfs_dir2_data_unused_tag_p(newdup) =
cpu_to_be16((char *)newdup - (char *)hdr);
xfs_dir2_data_log_unused(tp, bp, newdup);
xfs_dir2_data_log_unused(args, bp, newdup);
/*
* If the following entry was in the table, the new entry
* is longer, so it will be in the table too. Remove
@ -890,7 +889,7 @@ xfs_dir2_data_make_free(
newdup->length = cpu_to_be16(len);
*xfs_dir2_data_unused_tag_p(newdup) =
cpu_to_be16((char *)newdup - (char *)hdr);
xfs_dir2_data_log_unused(tp, bp, newdup);
xfs_dir2_data_log_unused(args, bp, newdup);
xfs_dir2_data_freeinsert(hdr, bf, newdup, needlogp);
}
*needscanp = needscan;
@ -901,8 +900,7 @@ xfs_dir2_data_make_free(
*/
void
xfs_dir2_data_use_free(
struct xfs_trans *tp,
struct xfs_inode *dp,
struct xfs_da_args *args,
struct xfs_buf *bp,
xfs_dir2_data_unused_t *dup, /* unused entry */
xfs_dir2_data_aoff_t offset, /* starting offset to use */
@ -933,7 +931,7 @@ xfs_dir2_data_use_free(
* Look up the entry in the bestfree table.
*/
oldlen = be16_to_cpu(dup->length);
bf = dp->d_ops->data_bestfree_p(hdr);
bf = args->dp->d_ops->data_bestfree_p(hdr);
dfp = xfs_dir2_data_freefind(hdr, bf, dup);
ASSERT(dfp || oldlen <= be16_to_cpu(bf[2].length));
/*
@ -965,7 +963,7 @@ xfs_dir2_data_use_free(
newdup->length = cpu_to_be16(oldlen - len);
*xfs_dir2_data_unused_tag_p(newdup) =
cpu_to_be16((char *)newdup - (char *)hdr);
xfs_dir2_data_log_unused(tp, bp, newdup);
xfs_dir2_data_log_unused(args, bp, newdup);
/*
* If it was in the table, remove it and add the new one.
*/
@ -993,7 +991,7 @@ xfs_dir2_data_use_free(
newdup->length = cpu_to_be16(((char *)hdr + offset) - (char *)newdup);
*xfs_dir2_data_unused_tag_p(newdup) =
cpu_to_be16((char *)newdup - (char *)hdr);
xfs_dir2_data_log_unused(tp, bp, newdup);
xfs_dir2_data_log_unused(args, bp, newdup);
/*
* If it was in the table, remove it and add the new one.
*/
@ -1021,13 +1019,13 @@ xfs_dir2_data_use_free(
newdup->length = cpu_to_be16(((char *)hdr + offset) - (char *)newdup);
*xfs_dir2_data_unused_tag_p(newdup) =
cpu_to_be16((char *)newdup - (char *)hdr);
xfs_dir2_data_log_unused(tp, bp, newdup);
xfs_dir2_data_log_unused(args, bp, newdup);
newdup2 = (xfs_dir2_data_unused_t *)((char *)hdr + offset + len);
newdup2->freetag = cpu_to_be16(XFS_DIR2_DATA_FREE_TAG);
newdup2->length = cpu_to_be16(oldlen - len - be16_to_cpu(newdup->length));
*xfs_dir2_data_unused_tag_p(newdup2) =
cpu_to_be16((char *)newdup2 - (char *)hdr);
xfs_dir2_data_log_unused(tp, bp, newdup2);
xfs_dir2_data_log_unused(args, bp, newdup2);
/*
* If the old entry was in the table, we need to scan
* if the 3rd entry was valid, since these entries

200
fs/xfs/xfs_dir2_leaf.c
Unescape View File

@ -41,9 +41,10 @@
*/
static int xfs_dir2_leaf_lookup_int(xfs_da_args_t *args, struct xfs_buf **lbpp,
int *indexp, struct xfs_buf **dbpp);
static void xfs_dir3_leaf_log_bests(struct xfs_trans *tp, struct xfs_buf *bp,
int first, int last);
static void xfs_dir3_leaf_log_tail(struct xfs_trans *tp, struct xfs_buf *bp);
static void xfs_dir3_leaf_log_bests(struct xfs_da_args *args,
struct xfs_buf *bp, int first, int last);
static void xfs_dir3_leaf_log_tail(struct xfs_da_args *args,
struct xfs_buf *bp);
/*
* Check the internal consistency of a leaf1 block.
@ -92,6 +93,7 @@ xfs_dir3_leaf_check_int(
int i;
const struct xfs_dir_ops *ops;
struct xfs_dir3_icleaf_hdr leafhdr;
struct xfs_da_geometry *geo = mp->m_dir_geo;
/*
* we can be passed a null dp here from a verifier, so we need to go the
@ -105,14 +107,14 @@ xfs_dir3_leaf_check_int(
}
ents = ops->leaf_ents_p(leaf);
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
ltp = xfs_dir2_leaf_tail_p(geo, leaf);
/*
* XXX (dgc): This value is not restrictive enough.
* Should factor in the size of the bests table as well.
* We can deduce a value for that from di_size.
*/
if (hdr->count > ops->leaf_max_ents(mp))
if (hdr->count > ops->leaf_max_ents(geo))
return false;
/* Leaves and bests don't overlap in leaf format. */
@ -323,7 +325,7 @@ xfs_dir3_leaf_init(
if (type == XFS_DIR2_LEAF1_MAGIC) {
struct xfs_dir2_leaf_tail *ltp;
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
ltp = xfs_dir2_leaf_tail_p(mp->m_dir_geo, leaf);
ltp->bestcount = 0;
bp->b_ops = &xfs_dir3_leaf1_buf_ops;
xfs_trans_buf_set_type(tp, bp, XFS_BLFT_DIR_LEAF1_BUF);
@ -347,18 +349,18 @@ xfs_dir3_leaf_get_buf(
int error;
ASSERT(magic == XFS_DIR2_LEAF1_MAGIC || magic == XFS_DIR2_LEAFN_MAGIC);
ASSERT(bno >= XFS_DIR2_LEAF_FIRSTDB(mp) &&
bno < XFS_DIR2_FREE_FIRSTDB(mp));
ASSERT(bno >= xfs_dir2_byte_to_db(args->geo, XFS_DIR2_LEAF_OFFSET) &&
bno < xfs_dir2_byte_to_db(args->geo, XFS_DIR2_FREE_OFFSET));
error = xfs_da_get_buf(tp, dp, xfs_dir2_db_to_da(mp, bno), -1, &bp,
XFS_DATA_FORK);
error = xfs_da_get_buf(tp, dp, xfs_dir2_db_to_da(args->geo, bno),
-1, &bp, XFS_DATA_FORK);
if (error)
return error;
xfs_dir3_leaf_init(mp, tp, bp, dp->i_ino, magic);
xfs_dir3_leaf_log_header(tp, dp, bp);
xfs_dir3_leaf_log_header(args, bp);
if (magic == XFS_DIR2_LEAF1_MAGIC)
xfs_dir3_leaf_log_tail(tp, bp);
xfs_dir3_leaf_log_tail(args, bp);
*bpp = bp;
return 0;
}
@ -403,8 +405,8 @@ xfs_dir2_block_to_leaf(
if ((error = xfs_da_grow_inode(args, &blkno))) {
return error;
}
ldb = xfs_dir2_da_to_db(mp, blkno);
ASSERT(ldb == XFS_DIR2_LEAF_FIRSTDB(mp));
ldb = xfs_dir2_da_to_db(args->geo, blkno);
ASSERT(ldb == xfs_dir2_byte_to_db(args->geo, XFS_DIR2_LEAF_OFFSET));
/*
* Initialize the leaf block, get a buffer for it.
*/
@ -415,7 +417,7 @@ xfs_dir2_block_to_leaf(
leaf = lbp->b_addr;
hdr = dbp->b_addr;
xfs_dir3_data_check(dp, dbp);
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
bf = dp->d_ops->data_bestfree_p(hdr);
ents = dp->d_ops->leaf_ents_p(leaf);
@ -427,23 +429,23 @@ xfs_dir2_block_to_leaf(
leafhdr.count = be32_to_cpu(btp->count);
leafhdr.stale = be32_to_cpu(btp->stale);
dp->d_ops->leaf_hdr_to_disk(leaf, &leafhdr);
xfs_dir3_leaf_log_header(tp, dp, lbp);
xfs_dir3_leaf_log_header(args, lbp);
/*
* Could compact these but I think we always do the conversion
* after squeezing out stale entries.
*/
memcpy(ents, blp, be32_to_cpu(btp->count) * sizeof(xfs_dir2_leaf_entry_t));
xfs_dir3_leaf_log_ents(tp, dp, lbp, 0, leafhdr.count - 1);
xfs_dir3_leaf_log_ents(args, lbp, 0, leafhdr.count - 1);
needscan = 0;
needlog = 1;
/*
* Make the space formerly occupied by the leaf entries and block
* tail be free.
*/
xfs_dir2_data_make_free(tp, dp, dbp,
xfs_dir2_data_make_free(args, dbp,
(xfs_dir2_data_aoff_t)((char *)blp - (char *)hdr),
(xfs_dir2_data_aoff_t)((char *)hdr + mp->m_dirblksize -
(xfs_dir2_data_aoff_t)((char *)hdr + args->geo->blksize -
(char *)blp),
&needlog, &needscan);
/*
@ -461,7 +463,7 @@ xfs_dir2_block_to_leaf(
/*
* Set up leaf tail and bests table.
*/
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
ltp = xfs_dir2_leaf_tail_p(args->geo, leaf);
ltp->bestcount = cpu_to_be32(1);
bestsp = xfs_dir2_leaf_bests_p(ltp);
bestsp[0] = bf[0].length;
@ -469,10 +471,10 @@ xfs_dir2_block_to_leaf(
* Log the data header and leaf bests table.
*/
if (needlog)
xfs_dir2_data_log_header(tp, dp, dbp);
xfs_dir2_data_log_header(args, dbp);
xfs_dir3_leaf_check(dp, lbp);
xfs_dir3_data_check(dp, dbp);
xfs_dir3_leaf_log_bests(tp, lbp, 0, 0);
xfs_dir3_leaf_log_bests(args, lbp, 0, 0);
return 0;
}
@ -641,7 +643,7 @@ xfs_dir2_leaf_addname(
tp = args->trans;
mp = dp->i_mount;
error = xfs_dir3_leaf_read(tp, dp, mp->m_dirleafblk, -1, &lbp);
error = xfs_dir3_leaf_read(tp, dp, args->geo->leafblk, -1, &lbp);
if (error)
return error;
@ -653,7 +655,7 @@ xfs_dir2_leaf_addname(
*/
index = xfs_dir2_leaf_search_hash(args, lbp);
leaf = lbp->b_addr;
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
ltp = xfs_dir2_leaf_tail_p(args->geo, leaf);
ents = dp->d_ops->leaf_ents_p(leaf);
dp->d_ops->leaf_hdr_from_disk(&leafhdr, leaf);
bestsp = xfs_dir2_leaf_bests_p(ltp);
@ -670,7 +672,7 @@ xfs_dir2_leaf_addname(
index++, lep++) {
if (be32_to_cpu(lep->address) == XFS_DIR2_NULL_DATAPTR)
continue;
i = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address));
i = xfs_dir2_dataptr_to_db(args->geo, be32_to_cpu(lep->address));
ASSERT(i < be32_to_cpu(ltp->bestcount));
ASSERT(bestsp[i] != cpu_to_be16(NULLDATAOFF));
if (be16_to_cpu(bestsp[i]) >= length) {
@ -810,14 +812,15 @@ xfs_dir2_leaf_addname(
memmove(&bestsp[0], &bestsp[1],
be32_to_cpu(ltp->bestcount) * sizeof(bestsp[0]));
be32_add_cpu(&ltp->bestcount, 1);
xfs_dir3_leaf_log_tail(tp, lbp);
xfs_dir3_leaf_log_bests(tp, lbp, 0, be32_to_cpu(ltp->bestcount) - 1);
xfs_dir3_leaf_log_tail(args, lbp);
xfs_dir3_leaf_log_bests(args, lbp, 0,
be32_to_cpu(ltp->bestcount) - 1);
}
/*
* If we're filling in a previously empty block just log it.
*/
else
xfs_dir3_leaf_log_bests(tp, lbp, use_block, use_block);
xfs_dir3_leaf_log_bests(args, lbp, use_block, use_block);
hdr = dbp->b_addr;
bf = dp->d_ops->data_bestfree_p(hdr);
bestsp[use_block] = bf[0].length;
@ -828,8 +831,8 @@ xfs_dir2_leaf_addname(
* Just read that one in.
*/
error = xfs_dir3_data_read(tp, dp,
xfs_dir2_db_to_da(mp, use_block),
-1, &dbp);
xfs_dir2_db_to_da(args->geo, use_block),
-1, &dbp);
if (error) {
xfs_trans_brelse(tp, lbp);
return error;
@ -848,7 +851,7 @@ xfs_dir2_leaf_addname(
/*
* Mark the initial part of our freespace in use for the new entry.
*/
xfs_dir2_data_use_free(tp, dp, dbp, dup,
xfs_dir2_data_use_free(args, dbp, dup,
(xfs_dir2_data_aoff_t)((char *)dup - (char *)hdr), length,
&needlog, &needscan);
/*
@ -870,8 +873,8 @@ xfs_dir2_leaf_addname(
* Need to log the data block's header.
*/
if (needlog)
xfs_dir2_data_log_header(tp, dp, dbp);
xfs_dir2_data_log_entry(tp, dp, dbp, dep);
xfs_dir2_data_log_header(args, dbp);
xfs_dir2_data_log_entry(args, dbp, dep);
/*
* If the bests table needs to be changed, do it.
* Log the change unless we've already done that.
@ -879,7 +882,7 @@ xfs_dir2_leaf_addname(
if (be16_to_cpu(bestsp[use_block]) != be16_to_cpu(bf[0].length)) {
bestsp[use_block] = bf[0].length;
if (!grown)
xfs_dir3_leaf_log_bests(tp, lbp, use_block, use_block);
xfs_dir3_leaf_log_bests(args, lbp, use_block, use_block);
}
lep = xfs_dir3_leaf_find_entry(&leafhdr, ents, index, compact, lowstale,
@ -889,14 +892,15 @@ xfs_dir2_leaf_addname(
* Fill in the new leaf entry.
*/
lep->hashval = cpu_to_be32(args->hashval);
lep->address = cpu_to_be32(xfs_dir2_db_off_to_dataptr(mp, use_block,
lep->address = cpu_to_be32(
xfs_dir2_db_off_to_dataptr(args->geo, use_block,
be16_to_cpu(*tagp)));
/*
* Log the leaf fields and give up the buffers.
*/
dp->d_ops->leaf_hdr_to_disk(leaf, &leafhdr);
xfs_dir3_leaf_log_header(tp, dp, lbp);
xfs_dir3_leaf_log_ents(tp, dp, lbp, lfloglow, lfloghigh);
xfs_dir3_leaf_log_header(args, lbp);
xfs_dir3_leaf_log_ents(args, lbp, lfloglow, lfloghigh);
xfs_dir3_leaf_check(dp, lbp);
xfs_dir3_data_check(dp, dbp);
return 0;
@ -948,9 +952,9 @@ xfs_dir3_leaf_compact(
leafhdr->stale = 0;
dp->d_ops->leaf_hdr_to_disk(leaf, leafhdr);
xfs_dir3_leaf_log_header(args->trans, dp, bp);
xfs_dir3_leaf_log_header(args, bp);
if (loglow != -1)
xfs_dir3_leaf_log_ents(args->trans, dp, bp, loglow, to - 1);
xfs_dir3_leaf_log_ents(args, bp, loglow, to - 1);
}
/*
@ -1052,7 +1056,7 @@ xfs_dir3_leaf_compact_x1(
*/
static void
xfs_dir3_leaf_log_bests(
xfs_trans_t *tp, /* transaction pointer */
struct xfs_da_args *args,
struct xfs_buf *bp, /* leaf buffer */
int first, /* first entry to log */
int last) /* last entry to log */
@ -1065,10 +1069,11 @@ xfs_dir3_leaf_log_bests(
ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAF1_MAGIC) ||
leaf->hdr.info.magic == cpu_to_be16(XFS_DIR3_LEAF1_MAGIC));
ltp = xfs_dir2_leaf_tail_p(tp->t_mountp, leaf);
ltp = xfs_dir2_leaf_tail_p(args->geo, leaf);
firstb = xfs_dir2_leaf_bests_p(ltp) + first;
lastb = xfs_dir2_leaf_bests_p(ltp) + last;
xfs_trans_log_buf(tp, bp, (uint)((char *)firstb - (char *)leaf),
xfs_trans_log_buf(args->trans, bp,
(uint)((char *)firstb - (char *)leaf),
(uint)((char *)lastb - (char *)leaf + sizeof(*lastb) - 1));
}
@ -1077,8 +1082,7 @@ xfs_dir3_leaf_log_bests(
*/
void
xfs_dir3_leaf_log_ents(
struct xfs_trans *tp,
struct xfs_inode *dp,
struct xfs_da_args *args,
struct xfs_buf *bp,
int first,
int last)
@ -1093,10 +1097,11 @@ xfs_dir3_leaf_log_ents(
leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC) ||
leaf->hdr.info.magic == cpu_to_be16(XFS_DIR3_LEAFN_MAGIC));
ents = dp->d_ops->leaf_ents_p(leaf);
ents = args->dp->d_ops->leaf_ents_p(leaf);
firstlep = &ents[first];
lastlep = &ents[last];
xfs_trans_log_buf(tp, bp, (uint)((char *)firstlep - (char *)leaf),
xfs_trans_log_buf(args->trans, bp,
(uint)((char *)firstlep - (char *)leaf),
(uint)((char *)lastlep - (char *)leaf + sizeof(*lastlep) - 1));
}
@ -1105,8 +1110,7 @@ xfs_dir3_leaf_log_ents(
*/
void
xfs_dir3_leaf_log_header(
struct xfs_trans *tp,
struct xfs_inode *dp,
struct xfs_da_args *args,
struct xfs_buf *bp)
{
struct xfs_dir2_leaf *leaf = bp->b_addr;
@ -1116,8 +1120,9 @@ xfs_dir3_leaf_log_header(
leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC) ||
leaf->hdr.info.magic == cpu_to_be16(XFS_DIR3_LEAFN_MAGIC));
xfs_trans_log_buf(tp, bp, (uint)((char *)&leaf->hdr - (char *)leaf),
dp->d_ops->leaf_hdr_size - 1);
xfs_trans_log_buf(args->trans, bp,
(uint)((char *)&leaf->hdr - (char *)leaf),
args->dp->d_ops->leaf_hdr_size - 1);
}
/*
@ -1125,21 +1130,20 @@ xfs_dir3_leaf_log_header(
*/
STATIC void
xfs_dir3_leaf_log_tail(
struct xfs_trans *tp,
struct xfs_da_args *args,
struct xfs_buf *bp)
{
struct xfs_dir2_leaf *leaf = bp->b_addr;
xfs_dir2_leaf_tail_t *ltp; /* leaf tail structure */
struct xfs_mount *mp = tp->t_mountp;
ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAF1_MAGIC) ||
leaf->hdr.info.magic == cpu_to_be16(XFS_DIR3_LEAF1_MAGIC) ||
leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC) ||
leaf->hdr.info.magic == cpu_to_be16(XFS_DIR3_LEAFN_MAGIC));
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
xfs_trans_log_buf(tp, bp, (uint)((char *)ltp - (char *)leaf),
(uint)(mp->m_dirblksize - 1));
ltp = xfs_dir2_leaf_tail_p(args->geo, leaf);
xfs_trans_log_buf(args->trans, bp, (uint)((char *)ltp - (char *)leaf),
(uint)(args->geo->blksize - 1));
}
/*
@ -1185,7 +1189,7 @@ xfs_dir2_leaf_lookup(
*/
dep = (xfs_dir2_data_entry_t *)
((char *)dbp->b_addr +
xfs_dir2_dataptr_to_off(dp->i_mount, be32_to_cpu(lep->address)));
xfs_dir2_dataptr_to_off(args->geo, be32_to_cpu(lep->address)));
/*
* Return the found inode number & CI name if appropriate
*/
@ -1231,7 +1235,7 @@ xfs_dir2_leaf_lookup_int(
tp = args->trans;
mp = dp->i_mount;
error = xfs_dir3_leaf_read(tp, dp, mp->m_dirleafblk, -1, &lbp);
error = xfs_dir3_leaf_read(tp, dp, args->geo->leafblk, -1, &lbp);
if (error)
return error;
@ -1260,7 +1264,8 @@ xfs_dir2_leaf_lookup_int(
/*
* Get the new data block number.
*/
newdb = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address));
newdb = xfs_dir2_dataptr_to_db(args->geo,
be32_to_cpu(lep->address));
/*
* If it's not the same as the old data block number,
* need to pitch the old one and read the new one.
@ -1269,8 +1274,8 @@ xfs_dir2_leaf_lookup_int(
if (dbp)
xfs_trans_brelse(tp, dbp);
error = xfs_dir3_data_read(tp, dp,
xfs_dir2_db_to_da(mp, newdb),
-1, &dbp);
xfs_dir2_db_to_da(args->geo, newdb),
-1, &dbp);
if (error) {
xfs_trans_brelse(tp, lbp);
return error;
@ -1281,7 +1286,8 @@ xfs_dir2_leaf_lookup_int(
* Point to the data entry.
*/
dep = (xfs_dir2_data_entry_t *)((char *)dbp->b_addr +
xfs_dir2_dataptr_to_off(mp, be32_to_cpu(lep->address)));
xfs_dir2_dataptr_to_off(args->geo,
be32_to_cpu(lep->address)));
/*
* Compare name and if it's an exact match, return the index
* and buffer. If it's the first case-insensitive match, store
@ -1310,8 +1316,8 @@ xfs_dir2_leaf_lookup_int(
if (cidb != curdb) {
xfs_trans_brelse(tp, dbp);
error = xfs_dir3_data_read(tp, dp,
xfs_dir2_db_to_da(mp, cidb),
-1, &dbp);
xfs_dir2_db_to_da(args->geo, cidb),
-1, &dbp);
if (error) {
xfs_trans_brelse(tp, lbp);
return error;
@ -1380,18 +1386,18 @@ xfs_dir2_leaf_removename(
* Point to the leaf entry, use that to point to the data entry.
*/
lep = &ents[index];
db = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address));
dep = (xfs_dir2_data_entry_t *)
((char *)hdr + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(lep->address)));
db = xfs_dir2_dataptr_to_db(args->geo, be32_to_cpu(lep->address));
dep = (xfs_dir2_data_entry_t *)((char *)hdr +
xfs_dir2_dataptr_to_off(args->geo, be32_to_cpu(lep->address)));
needscan = needlog = 0;
oldbest = be16_to_cpu(bf[0].length);
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
ltp = xfs_dir2_leaf_tail_p(args->geo, leaf);
bestsp = xfs_dir2_leaf_bests_p(ltp);
ASSERT(be16_to_cpu(bestsp[db]) == oldbest);
/*
* Mark the former data entry unused.
*/
xfs_dir2_data_make_free(tp, dp, dbp,
xfs_dir2_data_make_free(args, dbp,
(xfs_dir2_data_aoff_t)((char *)dep - (char *)hdr),
dp->d_ops->data_entsize(dep->namelen), &needlog, &needscan);
/*
@ -1399,10 +1405,10 @@ xfs_dir2_leaf_removename(
*/
leafhdr.stale++;
dp->d_ops->leaf_hdr_to_disk(leaf, &leafhdr);
xfs_dir3_leaf_log_header(tp, dp, lbp);
xfs_dir3_leaf_log_header(args, lbp);
lep->address = cpu_to_be32(XFS_DIR2_NULL_DATAPTR);
xfs_dir3_leaf_log_ents(tp, dp, lbp, index, index);
xfs_dir3_leaf_log_ents(args, lbp, index, index);
/*
* Scan the freespace in the data block again if necessary,
@ -1411,22 +1417,22 @@ xfs_dir2_leaf_removename(
if (needscan)
xfs_dir2_data_freescan(dp, hdr, &needlog);
if (needlog)
xfs_dir2_data_log_header(tp, dp, dbp);
xfs_dir2_data_log_header(args, dbp);
/*
* If the longest freespace in the data block has changed,
* put the new value in the bests table and log that.
*/
if (be16_to_cpu(bf[0].length) != oldbest) {
bestsp[db] = bf[0].length;
xfs_dir3_leaf_log_bests(tp, lbp, db, db);
xfs_dir3_leaf_log_bests(args, lbp, db, db);
}
xfs_dir3_data_check(dp, dbp);
/*
* If the data block is now empty then get rid of the data block.
*/
if (be16_to_cpu(bf[0].length) ==
mp->m_dirblksize - dp->d_ops->data_entry_offset) {
ASSERT(db != mp->m_dirdatablk);
args->geo->blksize - dp->d_ops->data_entry_offset) {
ASSERT(db != args->geo->datablk);
if ((error = xfs_dir2_shrink_inode(args, db, dbp))) {
/*
* Nope, can't get rid of it because it caused
@ -1459,15 +1465,16 @@ xfs_dir2_leaf_removename(
memmove(&bestsp[db - i], bestsp,
(be32_to_cpu(ltp->bestcount) - (db - i)) * sizeof(*bestsp));
be32_add_cpu(&ltp->bestcount, -(db - i));
xfs_dir3_leaf_log_tail(tp, lbp);
xfs_dir3_leaf_log_bests(tp, lbp, 0, be32_to_cpu(ltp->bestcount) - 1);
xfs_dir3_leaf_log_tail(args, lbp);
xfs_dir3_leaf_log_bests(args, lbp, 0,
be32_to_cpu(ltp->bestcount) - 1);
} else
bestsp[db] = cpu_to_be16(NULLDATAOFF);
}
/*
* If the data block was not the first one, drop it.
*/
else if (db != mp->m_dirdatablk)
else if (db != args->geo->datablk)
dbp = NULL;
xfs_dir3_leaf_check(dp, lbp);
@ -1515,7 +1522,7 @@ xfs_dir2_leaf_replace(
*/
dep = (xfs_dir2_data_entry_t *)
((char *)dbp->b_addr +
xfs_dir2_dataptr_to_off(dp->i_mount, be32_to_cpu(lep->address)));
xfs_dir2_dataptr_to_off(args->geo, be32_to_cpu(lep->address)));
ASSERT(args->inumber != be64_to_cpu(dep->inumber));
/*
* Put the new inode number in, log it.
@ -1523,7 +1530,7 @@ xfs_dir2_leaf_replace(
dep->inumber = cpu_to_be64(args->inumber);
dp->d_ops->data_put_ftype(dep, args->filetype);
tp = args->trans;
xfs_dir2_data_log_entry(tp, dp, dbp, dep);
xfs_dir2_data_log_entry(args, dbp, dep);
xfs_dir3_leaf_check(dp, lbp);
xfs_trans_brelse(tp, lbp);
return 0;
@ -1609,12 +1616,13 @@ xfs_dir2_leaf_trim_data(
/*
* Read the offending data block. We need its buffer.
*/
error = xfs_dir3_data_read(tp, dp, xfs_dir2_db_to_da(mp, db), -1, &dbp);
error = xfs_dir3_data_read(tp, dp, xfs_dir2_db_to_da(args->geo, db),
-1, &dbp);
if (error)
return error;
leaf = lbp->b_addr;
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
ltp = xfs_dir2_leaf_tail_p(args->geo, leaf);
#ifdef DEBUG
{
@ -1624,7 +1632,7 @@ xfs_dir2_leaf_trim_data(
ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC));
ASSERT(be16_to_cpu(bf[0].length) ==
mp->m_dirblksize - dp->d_ops->data_entry_offset);
args->geo->blksize - dp->d_ops->data_entry_offset);
ASSERT(db == be32_to_cpu(ltp->bestcount) - 1);
}
#endif
@ -1643,8 +1651,8 @@ xfs_dir2_leaf_trim_data(
bestsp = xfs_dir2_leaf_bests_p(ltp);
be32_add_cpu(&ltp->bestcount, -1);
memmove(&bestsp[1], &bestsp[0], be32_to_cpu(ltp->bestcount) * sizeof(*bestsp));
xfs_dir3_leaf_log_tail(tp, lbp);
xfs_dir3_leaf_log_bests(tp, lbp, 0, be32_to_cpu(ltp->bestcount) - 1);
xfs_dir3_leaf_log_tail(args, lbp);
xfs_dir3_leaf_log_bests(args, lbp, 0, be32_to_cpu(ltp->bestcount) - 1);
return 0;
}
@ -1711,19 +1719,19 @@ xfs_dir2_node_to_leaf(
if ((error = xfs_bmap_last_offset(dp, &fo, XFS_DATA_FORK))) {
return error;
}
fo -= mp->m_dirblkfsbs;
fo -= args->geo->fsbcount;
/*
* If there are freespace blocks other than the first one,
* take this opportunity to remove trailing empty freespace blocks
* that may have been left behind during no-space-reservation
* operations.
*/
while (fo > mp->m_dirfreeblk) {
while (fo > args->geo->freeblk) {
if ((error = xfs_dir2_node_trim_free(args, fo, &rval))) {
return error;
}
if (rval)
fo -= mp->m_dirblkfsbs;
fo -= args->geo->fsbcount;
else
return 0;
}
@ -1736,7 +1744,7 @@ xfs_dir2_node_to_leaf(
/*
* If it's not the single leaf block, give up.
*/
if (XFS_FSB_TO_B(mp, fo) > XFS_DIR2_LEAF_OFFSET + mp->m_dirblksize)
if (XFS_FSB_TO_B(mp, fo) > XFS_DIR2_LEAF_OFFSET + args->geo->blksize)
return 0;
lbp = state->path.blk[0].bp;
leaf = lbp->b_addr;
@ -1748,7 +1756,7 @@ xfs_dir2_node_to_leaf(
/*
* Read the freespace block.
*/
error = xfs_dir2_free_read(tp, dp, mp->m_dirfreeblk, &fbp);
error = xfs_dir2_free_read(tp, dp, args->geo->freeblk, &fbp);
if (error)
return error;
free = fbp->b_addr;
@ -1760,7 +1768,7 @@ xfs_dir2_node_to_leaf(
* Now see if the leafn and free data will fit in a leaf1.
* If not, release the buffer and give up.
*/
if (xfs_dir3_leaf_size(&leafhdr, freehdr.nvalid) > mp->m_dirblksize) {
if (xfs_dir3_leaf_size(&leafhdr, freehdr.nvalid) > args->geo->blksize) {
xfs_trans_brelse(tp, fbp);
return 0;
}
@ -1780,7 +1788,7 @@ xfs_dir2_node_to_leaf(
/*
* Set up the leaf tail from the freespace block.
*/
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
ltp = xfs_dir2_leaf_tail_p(args->geo, leaf);
ltp->bestcount = cpu_to_be32(freehdr.nvalid);
/*
@ -1790,15 +1798,17 @@ xfs_dir2_node_to_leaf(
freehdr.nvalid * sizeof(xfs_dir2_data_off_t));
dp->d_ops->leaf_hdr_to_disk(leaf, &leafhdr);
xfs_dir3_leaf_log_header(tp, dp, lbp);
xfs_dir3_leaf_log_bests(tp, lbp, 0, be32_to_cpu(ltp->bestcount) - 1);
xfs_dir3_leaf_log_tail(tp, lbp);
xfs_dir3_leaf_log_header(args, lbp);
xfs_dir3_leaf_log_bests(args, lbp, 0, be32_to_cpu(ltp->bestcount) - 1);
xfs_dir3_leaf_log_tail(args, lbp);
xfs_dir3_leaf_check(dp, lbp);
/*
* Get rid of the freespace block.
*/
error = xfs_dir2_shrink_inode(args, XFS_DIR2_FREE_FIRSTDB(mp), fbp);
error = xfs_dir2_shrink_inode(args,
xfs_dir2_byte_to_db(args->geo, XFS_DIR2_FREE_OFFSET),
fbp);
if (error) {
/*
* This can't fail here because it can only happen when

188
fs/xfs/xfs_dir2_node.c
Unescape View File

@ -195,17 +195,18 @@ xfs_dir2_free_try_read(
static int
xfs_dir3_free_get_buf(
struct xfs_trans *tp,
struct xfs_inode *dp,
xfs_da_args_t *args,
xfs_dir2_db_t fbno,
struct xfs_buf **bpp)
{
struct xfs_trans *tp = args->trans;
struct xfs_inode *dp = args->dp;
struct xfs_mount *mp = dp->i_mount;
struct xfs_buf *bp;
int error;
struct xfs_dir3_icfree_hdr hdr;
error = xfs_da_get_buf(tp, dp, xfs_dir2_db_to_da(mp, fbno),
error = xfs_da_get_buf(tp, dp, xfs_dir2_db_to_da(args->geo, fbno),
-1, &bp, XFS_DATA_FORK);
if (error)
return error;
@ -240,8 +241,7 @@ xfs_dir3_free_get_buf(
*/
STATIC void
xfs_dir2_free_log_bests(
struct xfs_trans *tp,
struct xfs_inode *dp,
struct xfs_da_args *args,
struct xfs_buf *bp,
int first, /* first entry to log */
int last) /* last entry to log */
@ -250,10 +250,10 @@ xfs_dir2_free_log_bests(
__be16 *bests;
free = bp->b_addr;
bests = dp->d_ops->free_bests_p(free);
bests = args->dp->d_ops->free_bests_p(free);
ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC) ||
free->hdr.magic == cpu_to_be32(XFS_DIR3_FREE_MAGIC));
xfs_trans_log_buf(tp, bp,
xfs_trans_log_buf(args->trans, bp,
(uint)((char *)&bests[first] - (char *)free),
(uint)((char *)&bests[last] - (char *)free +
sizeof(bests[0]) - 1));
@ -264,8 +264,7 @@ xfs_dir2_free_log_bests(
*/
static void
xfs_dir2_free_log_header(
struct xfs_trans *tp,
struct xfs_inode *dp,
struct xfs_da_args *args,
struct xfs_buf *bp)
{
#ifdef DEBUG
@ -275,7 +274,8 @@ xfs_dir2_free_log_header(
ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC) ||
free->hdr.magic == cpu_to_be32(XFS_DIR3_FREE_MAGIC));
#endif
xfs_trans_log_buf(tp, bp, 0, dp->d_ops->free_hdr_size - 1);
xfs_trans_log_buf(args->trans, bp, 0,
args->dp->d_ops->free_hdr_size - 1);
}
/*
@ -315,20 +315,20 @@ xfs_dir2_leaf_to_node(
if ((error = xfs_dir2_grow_inode(args, XFS_DIR2_FREE_SPACE, &fdb))) {
return error;
}
ASSERT(fdb == XFS_DIR2_FREE_FIRSTDB(mp));
ASSERT(fdb == xfs_dir2_byte_to_db(args->geo, XFS_DIR2_FREE_OFFSET));
/*
* Get the buffer for the new freespace block.
*/
error = xfs_dir3_free_get_buf(tp, dp, fdb, &fbp);
error = xfs_dir3_free_get_buf(args, fdb, &fbp);
if (error)
return error;
free = fbp->b_addr;
dp->d_ops->free_hdr_from_disk(&freehdr, free);
leaf = lbp->b_addr;
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
ltp = xfs_dir2_leaf_tail_p(args->geo, leaf);
ASSERT(be32_to_cpu(ltp->bestcount) <=
(uint)dp->i_d.di_size / mp->m_dirblksize);
(uint)dp->i_d.di_size / args->geo->blksize);
/*
* Copy freespace entries from the leaf block to the new block.
@ -349,8 +349,8 @@ xfs_dir2_leaf_to_node(
freehdr.nvalid = be32_to_cpu(ltp->bestcount);
dp->d_ops->free_hdr_to_disk(fbp->b_addr, &freehdr);
xfs_dir2_free_log_bests(tp, dp, fbp, 0, freehdr.nvalid - 1);
xfs_dir2_free_log_header(tp, dp, fbp);
xfs_dir2_free_log_bests(args, fbp, 0, freehdr.nvalid - 1);
xfs_dir2_free_log_header(args, fbp);
/*
* Converting the leaf to a leafnode is just a matter of changing the
@ -364,7 +364,7 @@ xfs_dir2_leaf_to_node(
leaf->hdr.info.magic = cpu_to_be16(XFS_DIR3_LEAFN_MAGIC);
lbp->b_ops = &xfs_dir3_leafn_buf_ops;
xfs_trans_buf_set_type(tp, lbp, XFS_BLFT_DIR_LEAFN_BUF);
xfs_dir3_leaf_log_header(tp, dp, lbp);
xfs_dir3_leaf_log_header(args, lbp);
xfs_dir3_leaf_check(dp, lbp);
return 0;
}
@ -415,7 +415,7 @@ xfs_dir2_leafn_add(
* a compact.
*/
if (leafhdr.count == dp->d_ops->leaf_max_ents(mp)) {
if (leafhdr.count == dp->d_ops->leaf_max_ents(args->geo)) {
if (!leafhdr.stale)
return XFS_ERROR(ENOSPC);
compact = leafhdr.stale > 1;
@ -450,12 +450,12 @@ xfs_dir2_leafn_add(
highstale, &lfloglow, &lfloghigh);
lep->hashval = cpu_to_be32(args->hashval);
lep->address = cpu_to_be32(xfs_dir2_db_off_to_dataptr(mp,
lep->address = cpu_to_be32(xfs_dir2_db_off_to_dataptr(args->geo,
args->blkno, args->index));
dp->d_ops->leaf_hdr_to_disk(leaf, &leafhdr);
xfs_dir3_leaf_log_header(tp, dp, bp);
xfs_dir3_leaf_log_ents(tp, dp, bp, lfloglow, lfloghigh);
xfs_dir3_leaf_log_header(args, bp);
xfs_dir3_leaf_log_ents(args, bp, lfloglow, lfloghigh);
xfs_dir3_leaf_check(dp, bp);
return 0;
}
@ -471,7 +471,8 @@ xfs_dir2_free_hdr_check(
dp->d_ops->free_hdr_from_disk(&hdr, bp->b_addr);
ASSERT((hdr.firstdb % dp->d_ops->free_max_bests(dp->i_mount)) == 0);
ASSERT((hdr.firstdb %
dp->d_ops->free_max_bests(dp->i_mount->m_dir_geo)) == 0);
ASSERT(hdr.firstdb <= db);
ASSERT(db < hdr.firstdb + hdr.nvalid);
}
@ -576,7 +577,8 @@ xfs_dir2_leafn_lookup_for_addname(
/*
* Pull the data block number from the entry.
*/
newdb = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address));
newdb = xfs_dir2_dataptr_to_db(args->geo,
be32_to_cpu(lep->address));
/*
* For addname, we're looking for a place to put the new entry.
* We want to use a data block with an entry of equal
@ -593,7 +595,7 @@ xfs_dir2_leafn_lookup_for_addname(
* Convert the data block to the free block
* holding its freespace information.
*/
newfdb = dp->d_ops->db_to_fdb(mp, newdb);
newfdb = dp->d_ops->db_to_fdb(args->geo, newdb);
/*
* If it's not the one we have in hand, read it in.
*/
@ -605,7 +607,8 @@ xfs_dir2_leafn_lookup_for_addname(
xfs_trans_brelse(tp, curbp);
error = xfs_dir2_free_read(tp, dp,
xfs_dir2_db_to_da(mp, newfdb),
xfs_dir2_db_to_da(args->geo,
newfdb),
&curbp);
if (error)
return error;
@ -616,7 +619,7 @@ xfs_dir2_leafn_lookup_for_addname(
/*
* Get the index for our entry.
*/
fi = dp->d_ops->db_to_fdindex(mp, curdb);
fi = dp->d_ops->db_to_fdindex(args->geo, curdb);
/*
* If it has room, return it.
*/
@ -721,7 +724,8 @@ xfs_dir2_leafn_lookup_for_entry(
/*
* Pull the data block number from the entry.
*/
newdb = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address));
newdb = xfs_dir2_dataptr_to_db(args->geo,
be32_to_cpu(lep->address));
/*
* Not adding a new entry, so we really want to find
* the name given to us.
@ -746,7 +750,8 @@ xfs_dir2_leafn_lookup_for_entry(
curbp = state->extrablk.bp;
} else {
error = xfs_dir3_data_read(tp, dp,
xfs_dir2_db_to_da(mp, newdb),
xfs_dir2_db_to_da(args->geo,
newdb),
-1, &curbp);
if (error)
return error;
@ -758,7 +763,8 @@ xfs_dir2_leafn_lookup_for_entry(
* Point to the data entry.
*/
dep = (xfs_dir2_data_entry_t *)((char *)curbp->b_addr +
xfs_dir2_dataptr_to_off(mp, be32_to_cpu(lep->address)));
xfs_dir2_dataptr_to_off(args->geo,
be32_to_cpu(lep->address)));
/*
* Compare the entry and if it's an exact match, return
* EEXIST immediately. If it's the first case-insensitive
@ -844,7 +850,6 @@ xfs_dir3_leafn_moveents(
int start_d,/* destination leaf index */
int count) /* count of leaves to copy */
{
struct xfs_trans *tp = args->trans;
int stale; /* count stale leaves copied */
trace_xfs_dir2_leafn_moveents(args, start_s, start_d, count);
@ -863,7 +868,7 @@ xfs_dir3_leafn_moveents(
if (start_d < dhdr->count) {
memmove(&dents[start_d + count], &dents[start_d],
(dhdr->count - start_d) * sizeof(xfs_dir2_leaf_entry_t));
xfs_dir3_leaf_log_ents(tp, args->dp, bp_d, start_d + count,
xfs_dir3_leaf_log_ents(args, bp_d, start_d + count,
count + dhdr->count - 1);
}
/*
@ -885,8 +890,7 @@ xfs_dir3_leafn_moveents(
*/
memcpy(&dents[start_d], &sents[start_s],
count * sizeof(xfs_dir2_leaf_entry_t));
xfs_dir3_leaf_log_ents(tp, args->dp, bp_d,
start_d, start_d + count - 1);
xfs_dir3_leaf_log_ents(args, bp_d, start_d, start_d + count - 1);
/*
* If there are source entries after the ones we copied,
@ -895,8 +899,7 @@ xfs_dir3_leafn_moveents(
if (start_s + count < shdr->count) {
memmove(&sents[start_s], &sents[start_s + count],
count * sizeof(xfs_dir2_leaf_entry_t));
xfs_dir3_leaf_log_ents(tp, args->dp, bp_s,
start_s, start_s + count - 1);
xfs_dir3_leaf_log_ents(args, bp_s, start_s, start_s + count - 1);
}
/*
@ -1032,8 +1035,8 @@ xfs_dir2_leafn_rebalance(
/* log the changes made when moving the entries */
dp->d_ops->leaf_hdr_to_disk(leaf1, &hdr1);
dp->d_ops->leaf_hdr_to_disk(leaf2, &hdr2);
xfs_dir3_leaf_log_header(args->trans, dp, blk1->bp);
xfs_dir3_leaf_log_header(args->trans, dp, blk2->bp);
xfs_dir3_leaf_log_header(args, blk1->bp);
xfs_dir3_leaf_log_header(args, blk2->bp);
xfs_dir3_leaf_check(dp, blk1->bp);
xfs_dir3_leaf_check(dp, blk2->bp);
@ -1076,7 +1079,6 @@ xfs_dir3_data_block_free(
struct xfs_buf *fbp,
int longest)
{
struct xfs_trans *tp = args->trans;
int logfree = 0;
__be16 *bests;
struct xfs_dir3_icfree_hdr freehdr;
@ -1090,7 +1092,7 @@ xfs_dir3_data_block_free(
* value.
*/
bests[findex] = cpu_to_be16(longest);
xfs_dir2_free_log_bests(tp, dp, fbp, findex, findex);
xfs_dir2_free_log_bests(args, fbp, findex, findex);
return 0;
}
@ -1118,7 +1120,7 @@ xfs_dir3_data_block_free(
}
dp->d_ops->free_hdr_to_disk(free, &freehdr);
xfs_dir2_free_log_header(tp, dp, fbp);
xfs_dir2_free_log_header(args, fbp);
/*
* If there are no useful entries left in the block, get rid of the
@ -1142,7 +1144,7 @@ xfs_dir3_data_block_free(
/* Log the free entry that changed, unless we got rid of it. */
if (logfree)
xfs_dir2_free_log_bests(tp, dp, fbp, findex, findex);
xfs_dir2_free_log_bests(args, fbp, findex, findex);
return 0;
}
@ -1193,9 +1195,9 @@ xfs_dir2_leafn_remove(
/*
* Extract the data block and offset from the entry.
*/
db = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address));
db = xfs_dir2_dataptr_to_db(args->geo, be32_to_cpu(lep->address));
ASSERT(dblk->blkno == db);
off = xfs_dir2_dataptr_to_off(mp, be32_to_cpu(lep->address));
off = xfs_dir2_dataptr_to_off(args->geo, be32_to_cpu(lep->address));
ASSERT(dblk->index == off);
/*
@ -1204,10 +1206,10 @@ xfs_dir2_leafn_remove(
*/
leafhdr.stale++;
dp->d_ops->leaf_hdr_to_disk(leaf, &leafhdr);
xfs_dir3_leaf_log_header(tp, dp, bp);
xfs_dir3_leaf_log_header(args, bp);
lep->address = cpu_to_be32(XFS_DIR2_NULL_DATAPTR);
xfs_dir3_leaf_log_ents(tp, dp, bp, index, index);
xfs_dir3_leaf_log_ents(args, bp, index, index);
/*
* Make the data entry free. Keep track of the longest freespace
@ -1219,7 +1221,7 @@ xfs_dir2_leafn_remove(
bf = dp->d_ops->data_bestfree_p(hdr);
longest = be16_to_cpu(bf[0].length);
needlog = needscan = 0;
xfs_dir2_data_make_free(tp, dp, dbp, off,
xfs_dir2_data_make_free(args, dbp, off,
dp->d_ops->data_entsize(dep->namelen), &needlog, &needscan);
/*
* Rescan the data block freespaces for bestfree.
@ -1228,7 +1230,7 @@ xfs_dir2_leafn_remove(
if (needscan)
xfs_dir2_data_freescan(dp, hdr, &needlog);
if (needlog)
xfs_dir2_data_log_header(tp, dp, dbp);
xfs_dir2_data_log_header(args, dbp);
xfs_dir3_data_check(dp, dbp);
/*
* If the longest data block freespace changes, need to update
@ -1245,8 +1247,9 @@ xfs_dir2_leafn_remove(
* Convert the data block number to a free block,
* read in the free block.
*/
fdb = dp->d_ops->db_to_fdb(mp, db);
error = xfs_dir2_free_read(tp, dp, xfs_dir2_db_to_da(mp, fdb),
fdb = dp->d_ops->db_to_fdb(args->geo, db);
error = xfs_dir2_free_read(tp, dp,
xfs_dir2_db_to_da(args->geo, fdb),
&fbp);
if (error)
return error;
@ -1255,20 +1258,21 @@ xfs_dir2_leafn_remove(
{
struct xfs_dir3_icfree_hdr freehdr;
dp->d_ops->free_hdr_from_disk(&freehdr, free);
ASSERT(freehdr.firstdb == dp->d_ops->free_max_bests(mp) *
(fdb - XFS_DIR2_FREE_FIRSTDB(mp)));
ASSERT(freehdr.firstdb == dp->d_ops->free_max_bests(args->geo) *
(fdb - xfs_dir2_byte_to_db(args->geo,
XFS_DIR2_FREE_OFFSET)));
}
#endif
/*
* Calculate which entry we need to fix.
*/
findex = dp->d_ops->db_to_fdindex(mp, db);
findex = dp->d_ops->db_to_fdindex(args->geo, db);
longest = be16_to_cpu(bf[0].length);
/*
* If the data block is now empty we can get rid of it
* (usually).
*/
if (longest == mp->m_dirblksize -
if (longest == args->geo->blksize -
dp->d_ops->data_entry_offset) {
/*
* Try to punch out the data block.
@ -1303,7 +1307,7 @@ xfs_dir2_leafn_remove(
*/
*rval = (dp->d_ops->leaf_hdr_size +
(uint)sizeof(ents[0]) * (leafhdr.count - leafhdr.stale)) <
mp->m_dir_magicpct;
args->geo->magicpct;
return 0;
}
@ -1336,7 +1340,7 @@ xfs_dir2_leafn_split(
/*
* Initialize the new leaf block.
*/
error = xfs_dir3_leaf_get_buf(args, xfs_dir2_da_to_db(mp, blkno),
error = xfs_dir3_leaf_get_buf(args, xfs_dir2_da_to_db(args->geo, blkno),
&newblk->bp, XFS_DIR2_LEAFN_MAGIC);
if (error)
return error;
@ -1410,7 +1414,7 @@ xfs_dir2_leafn_toosmall(
count = leafhdr.count - leafhdr.stale;
bytes = dp->d_ops->leaf_hdr_size + count * sizeof(ents[0]);
if (bytes > (state->blocksize >> 1)) {
if (bytes > (state->args->geo->blksize >> 1)) {
/*
* Blk over 50%, don't try to join.
*/
@ -1463,7 +1467,8 @@ xfs_dir2_leafn_toosmall(
* Count bytes in the two blocks combined.
*/
count = leafhdr.count - leafhdr.stale;
bytes = state->blocksize - (state->blocksize >> 2);
bytes = state->args->geo->blksize -
(state->args->geo->blksize >> 2);
leaf = bp->b_addr;
dp->d_ops->leaf_hdr_from_disk(&hdr2, leaf);
@ -1560,8 +1565,8 @@ xfs_dir2_leafn_unbalance(
/* log the changes made when moving the entries */
dp->d_ops->leaf_hdr_to_disk(save_leaf, &savehdr);
dp->d_ops->leaf_hdr_to_disk(drop_leaf, &drophdr);
xfs_dir3_leaf_log_header(args->trans, dp, save_blk->bp);
xfs_dir3_leaf_log_header(args->trans, dp, drop_blk->bp);
xfs_dir3_leaf_log_header(args, save_blk->bp);
xfs_dir3_leaf_log_header(args, drop_blk->bp);
xfs_dir3_leaf_check(dp, save_blk->bp);
xfs_dir3_leaf_check(dp, drop_blk->bp);
@ -1587,8 +1592,6 @@ xfs_dir2_node_addname(
state = xfs_da_state_alloc();
state->args = args;
state->mp = args->dp->i_mount;
state->blocksize = state->mp->m_dirblksize;
state->node_ents = state->mp->m_dir_node_ents;
/*
* Look up the name. We're not supposed to find it, but
* this gives us the insertion point.
@ -1729,7 +1732,7 @@ xfs_dir2_node_addname_int(
if ((error = xfs_bmap_last_offset(dp, &fo, XFS_DATA_FORK)))
return error;
lastfbno = xfs_dir2_da_to_db(mp, (xfs_dablk_t)fo);
lastfbno = xfs_dir2_da_to_db(args->geo, (xfs_dablk_t)fo);
fbno = ifbno;
}
/*
@ -1747,7 +1750,8 @@ xfs_dir2_node_addname_int(
* us a freespace block to start with.
*/
if (++fbno == 0)
fbno = XFS_DIR2_FREE_FIRSTDB(mp);
fbno = xfs_dir2_byte_to_db(args->geo,
XFS_DIR2_FREE_OFFSET);
/*
* If it's ifbno we already looked at it.
*/
@ -1765,8 +1769,8 @@ xfs_dir2_node_addname_int(
* to avoid it.
*/
error = xfs_dir2_free_try_read(tp, dp,
xfs_dir2_db_to_da(mp, fbno),
&fbp);
xfs_dir2_db_to_da(args->geo, fbno),
&fbp);
if (error)
return error;
if (!fbp)
@ -1834,10 +1838,10 @@ xfs_dir2_node_addname_int(
* Get the freespace block corresponding to the data block
* that was just allocated.
*/
fbno = dp->d_ops->db_to_fdb(mp, dbno);
fbno = dp->d_ops->db_to_fdb(args->geo, dbno);
error = xfs_dir2_free_try_read(tp, dp,
xfs_dir2_db_to_da(mp, fbno),
&fbp);
xfs_dir2_db_to_da(args->geo, fbno),
&fbp);
if (error)
return error;
@ -1851,12 +1855,13 @@ xfs_dir2_node_addname_int(
if (error)
return error;
if (unlikely(dp->d_ops->db_to_fdb(mp, dbno) != fbno)) {
if (dp->d_ops->db_to_fdb(args->geo, dbno) != fbno) {
xfs_alert(mp,
"%s: dir ino %llu needed freesp block %lld for\n"
" data block %lld, got %lld ifbno %llu lastfbno %d",
__func__, (unsigned long long)dp->i_ino,
(long long)dp->d_ops->db_to_fdb(mp, dbno),
(long long)dp->d_ops->db_to_fdb(
args->geo, dbno),
(long long)dbno, (long long)fbno,
(unsigned long long)ifbno, lastfbno);
if (fblk) {
@ -1877,7 +1882,7 @@ xfs_dir2_node_addname_int(
/*
* Get a buffer for the new block.
*/
error = xfs_dir3_free_get_buf(tp, dp, fbno, &fbp);
error = xfs_dir3_free_get_buf(args, fbno, &fbp);
if (error)
return error;
free = fbp->b_addr;
@ -1887,8 +1892,10 @@ xfs_dir2_node_addname_int(
/*
* Remember the first slot as our empty slot.
*/
freehdr.firstdb = (fbno - XFS_DIR2_FREE_FIRSTDB(mp)) *
dp->d_ops->free_max_bests(mp);
freehdr.firstdb =
(fbno - xfs_dir2_byte_to_db(args->geo,
XFS_DIR2_FREE_OFFSET)) *
dp->d_ops->free_max_bests(args->geo);
} else {
free = fbp->b_addr;
bests = dp->d_ops->free_bests_p(free);
@ -1898,13 +1905,13 @@ xfs_dir2_node_addname_int(
/*
* Set the freespace block index from the data block number.
*/
findex = dp->d_ops->db_to_fdindex(mp, dbno);
findex = dp->d_ops->db_to_fdindex(args->geo, dbno);
/*
* If it's after the end of the current entries in the
* freespace block, extend that table.
*/
if (findex >= freehdr.nvalid) {
ASSERT(findex < dp->d_ops->free_max_bests(mp));
ASSERT(findex < dp->d_ops->free_max_bests(args->geo));
freehdr.nvalid = findex + 1;
/*
* Tag new entry so nused will go up.
@ -1918,7 +1925,7 @@ xfs_dir2_node_addname_int(
if (bests[findex] == cpu_to_be16(NULLDATAOFF)) {
freehdr.nused++;
dp->d_ops->free_hdr_to_disk(fbp->b_addr, &freehdr);
xfs_dir2_free_log_header(tp, dp, fbp);
xfs_dir2_free_log_header(args, fbp);
}
/*
* Update the real value in the table.
@ -1943,7 +1950,8 @@ xfs_dir2_node_addname_int(
/*
* Read the data block in.
*/
error = xfs_dir3_data_read(tp, dp, xfs_dir2_db_to_da(mp, dbno),
error = xfs_dir3_data_read(tp, dp,
xfs_dir2_db_to_da(args->geo, dbno),
-1, &dbp);
if (error)
return error;
@ -1961,7 +1969,7 @@ xfs_dir2_node_addname_int(
/*
* Mark the first part of the unused space, inuse for us.
*/
xfs_dir2_data_use_free(tp, dp, dbp, dup,
xfs_dir2_data_use_free(args, dbp, dup,
(xfs_dir2_data_aoff_t)((char *)dup - (char *)hdr), length,
&needlog, &needscan);
/*
@ -1974,7 +1982,7 @@ xfs_dir2_node_addname_int(
dp->d_ops->data_put_ftype(dep, args->filetype);
tagp = dp->d_ops->data_entry_tag_p(dep);
*tagp = cpu_to_be16((char *)dep - (char *)hdr);
xfs_dir2_data_log_entry(tp, dp, dbp, dep);
xfs_dir2_data_log_entry(args, dbp, dep);
/*
* Rescan the block for bestfree if needed.
*/
@ -1984,7 +1992,7 @@ xfs_dir2_node_addname_int(
* Log the data block header if needed.
*/
if (needlog)
xfs_dir2_data_log_header(tp, dp, dbp);
xfs_dir2_data_log_header(args, dbp);
/*
* If the freespace entry is now wrong, update it.
*/
@ -1997,7 +2005,7 @@ xfs_dir2_node_addname_int(
* Log the freespace entry if needed.
*/
if (logfree)
xfs_dir2_free_log_bests(tp, dp, fbp, findex, findex);
xfs_dir2_free_log_bests(args, fbp, findex, findex);
/*
* Return the data block and offset in args, then drop the data block.
*/
@ -2028,8 +2036,6 @@ xfs_dir2_node_lookup(
state = xfs_da_state_alloc();
state->args = args;
state->mp = args->dp->i_mount;
state->blocksize = state->mp->m_dirblksize;
state->node_ents = state->mp->m_dir_node_ents;
/*
* Fill in the path to the entry in the cursor.
*/
@ -2083,8 +2089,6 @@ xfs_dir2_node_removename(
state = xfs_da_state_alloc();
state->args = args;
state->mp = args->dp->i_mount;
state->blocksize = state->mp->m_dirblksize;
state->node_ents = state->mp->m_dir_node_ents;
/* Look up the entry we're deleting, set up the cursor. */
error = xfs_da3_node_lookup_int(state, &rval);
@ -2153,8 +2157,6 @@ xfs_dir2_node_replace(
state = xfs_da_state_alloc();
state->args = args;
state->mp = args->dp->i_mount;
state->blocksize = state->mp->m_dirblksize;
state->node_ents = state->mp->m_dir_node_ents;
inum = args->inumber;
/*
* Lookup the entry to change in the btree.
@ -2186,15 +2188,15 @@ xfs_dir2_node_replace(
hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC));
dep = (xfs_dir2_data_entry_t *)
((char *)hdr +
xfs_dir2_dataptr_to_off(state->mp, be32_to_cpu(lep->address)));
xfs_dir2_dataptr_to_off(args->geo,
be32_to_cpu(lep->address)));
ASSERT(inum != be64_to_cpu(dep->inumber));
/*
* Fill in the new inode number and log the entry.
*/
dep->inumber = cpu_to_be64(inum);
args->dp->d_ops->data_put_ftype(dep, args->filetype);
xfs_dir2_data_log_entry(args->trans, args->dp,
state->extrablk.bp, dep);
xfs_dir2_data_log_entry(args, state->extrablk.bp, dep);
rval = 0;
}
/*
@ -2262,9 +2264,9 @@ xfs_dir2_node_trim_free(
/*
* Blow the block away.
*/
if ((error =
xfs_dir2_shrink_inode(args, xfs_dir2_da_to_db(mp, (xfs_dablk_t)fo),
bp))) {
error = xfs_dir2_shrink_inode(args,
xfs_dir2_da_to_db(args->geo, (xfs_dablk_t)fo), bp);
if (error) {
/*
* Can't fail with ENOSPC since that only happens with no
* space reservation, when breaking up an extent into two

138
fs/xfs/xfs_dir2_priv.h
Unescape View File

@ -20,6 +20,140 @@
struct dir_context;
/*
* Directory offset/block conversion functions.
*
* DB blocks here are logical directory block numbers, not filesystem blocks.
*/
/*
* Convert dataptr to byte in file space
*/
static inline xfs_dir2_off_t
xfs_dir2_dataptr_to_byte(xfs_dir2_dataptr_t dp)
{
return (xfs_dir2_off_t)dp << XFS_DIR2_DATA_ALIGN_LOG;
}
/*
* Convert byte in file space to dataptr. It had better be aligned.
*/
static inline xfs_dir2_dataptr_t
xfs_dir2_byte_to_dataptr(xfs_dir2_off_t by)
{
return (xfs_dir2_dataptr_t)(by >> XFS_DIR2_DATA_ALIGN_LOG);
}
/*
* Convert byte in space to (DB) block
*/
static inline xfs_dir2_db_t
xfs_dir2_byte_to_db(struct xfs_da_geometry *geo, xfs_dir2_off_t by)
{
return (xfs_dir2_db_t)(by >> geo->blklog);
}
/*
* Convert dataptr to a block number
*/
static inline xfs_dir2_db_t
xfs_dir2_dataptr_to_db(struct xfs_da_geometry *geo, xfs_dir2_dataptr_t dp)
{
return xfs_dir2_byte_to_db(geo, xfs_dir2_dataptr_to_byte(dp));
}
/*
* Convert byte in space to offset in a block
*/
static inline xfs_dir2_data_aoff_t
xfs_dir2_byte_to_off(struct xfs_da_geometry *geo, xfs_dir2_off_t by)
{
return (xfs_dir2_data_aoff_t)(by & (geo->blksize - 1));
}
/*
* Convert dataptr to a byte offset in a block
*/
static inline xfs_dir2_data_aoff_t
xfs_dir2_dataptr_to_off(struct xfs_da_geometry *geo, xfs_dir2_dataptr_t dp)
{
return xfs_dir2_byte_to_off(geo, xfs_dir2_dataptr_to_byte(dp));
}
/*
* Convert block and offset to byte in space
*/
static inline xfs_dir2_off_t
xfs_dir2_db_off_to_byte(struct xfs_da_geometry *geo, xfs_dir2_db_t db,
xfs_dir2_data_aoff_t o)
{
return ((xfs_dir2_off_t)db << geo->blklog) + o;
}
/*
* Convert block (DB) to block (dablk)
*/
static inline xfs_dablk_t
xfs_dir2_db_to_da(struct xfs_da_geometry *geo, xfs_dir2_db_t db)
{
return (xfs_dablk_t)(db << (geo->blklog - geo->fsblog));
}
/*
* Convert byte in space to (DA) block
*/
static inline xfs_dablk_t
xfs_dir2_byte_to_da(struct xfs_da_geometry *geo, xfs_dir2_off_t by)
{
return xfs_dir2_db_to_da(geo, xfs_dir2_byte_to_db(geo, by));
}
/*
* Convert block and offset to dataptr
*/
static inline xfs_dir2_dataptr_t
xfs_dir2_db_off_to_dataptr(struct xfs_da_geometry *geo, xfs_dir2_db_t db,
xfs_dir2_data_aoff_t o)
{
return xfs_dir2_byte_to_dataptr(xfs_dir2_db_off_to_byte(geo, db, o));
}
/*
* Convert block (dablk) to block (DB)
*/
static inline xfs_dir2_db_t
xfs_dir2_da_to_db(struct xfs_da_geometry *geo, xfs_dablk_t da)
{
return (xfs_dir2_db_t)(da >> (geo->blklog - geo->fsblog));
}
/*
* Convert block (dablk) to byte offset in space
*/
static inline xfs_dir2_off_t
xfs_dir2_da_to_byte(struct xfs_da_geometry *geo, xfs_dablk_t da)
{
return xfs_dir2_db_off_to_byte(geo, xfs_dir2_da_to_db(geo, da), 0);
}
/*
* Directory tail pointer accessor functions. Based on block geometry.
*/
static inline struct xfs_dir2_block_tail *
xfs_dir2_block_tail_p(struct xfs_da_geometry *geo, struct xfs_dir2_data_hdr *hdr)
{
return ((struct xfs_dir2_block_tail *)
((char *)hdr + geo->blksize)) - 1;
}
static inline struct xfs_dir2_leaf_tail *
xfs_dir2_leaf_tail_p(struct xfs_da_geometry *geo, struct xfs_dir2_leaf *lp)
{
return (struct xfs_dir2_leaf_tail *)
((char *)lp + geo->blksize -
sizeof(struct xfs_dir2_leaf_tail));
}
/* xfs_dir2.c */
extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino);
extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
@ -77,9 +211,9 @@ extern void xfs_dir3_leaf_compact_x1(struct xfs_dir3_icleaf_hdr *leafhdr,
int *lowstalep, int *highstalep, int *lowlogp, int *highlogp);
extern int xfs_dir3_leaf_get_buf(struct xfs_da_args *args, xfs_dir2_db_t bno,
struct xfs_buf **bpp, __uint16_t magic);
extern void xfs_dir3_leaf_log_ents(struct xfs_trans *tp, struct xfs_inode *dp,
extern void xfs_dir3_leaf_log_ents(struct xfs_da_args *args,
struct xfs_buf *bp, int first, int last);
extern void xfs_dir3_leaf_log_header(struct xfs_trans *tp, struct xfs_inode *dp,
extern void xfs_dir3_leaf_log_header(struct xfs_da_args *args,
struct xfs_buf *bp);
extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args);
extern int xfs_dir2_leaf_removename(struct xfs_da_args *args);

142
fs/xfs/xfs_dir2_readdir.c
Unescape View File

@ -76,26 +76,25 @@ const unsigned char xfs_mode_to_ftype[S_IFMT >> S_SHIFT] = {
STATIC int
xfs_dir2_sf_getdents(
xfs_inode_t *dp, /* incore directory inode */
struct xfs_da_args *args,
struct dir_context *ctx)
{
int i; /* shortform entry number */
xfs_mount_t *mp; /* filesystem mount point */
struct xfs_inode *dp = args->dp; /* incore directory inode */
xfs_dir2_dataptr_t off; /* current entry's offset */
xfs_dir2_sf_entry_t *sfep; /* shortform directory entry */
xfs_dir2_sf_hdr_t *sfp; /* shortform structure */
xfs_dir2_dataptr_t dot_offset;
xfs_dir2_dataptr_t dotdot_offset;
xfs_ino_t ino;
mp = dp->i_mount;
struct xfs_da_geometry *geo = args->geo;
ASSERT(dp->i_df.if_flags & XFS_IFINLINE);
/*
* Give up if the directory is way too short.
*/
if (dp->i_d.di_size < offsetof(xfs_dir2_sf_hdr_t, parent)) {
ASSERT(XFS_FORCED_SHUTDOWN(mp));
ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount));
return XFS_ERROR(EIO);
}
@ -109,18 +108,18 @@ xfs_dir2_sf_getdents(
/*
* If the block number in the offset is out of range, we're done.
*/
if (xfs_dir2_dataptr_to_db(mp, ctx->pos) > mp->m_dirdatablk)
if (xfs_dir2_dataptr_to_db(geo, ctx->pos) > geo->datablk)
return 0;
/*
* Precalculate offsets for . and .. as we will always need them.
*
* XXX(hch): the second argument is sometimes 0 and sometimes
* mp->m_dirdatablk.
* geo->datablk
*/
dot_offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
dot_offset = xfs_dir2_db_off_to_dataptr(geo, geo->datablk,
dp->d_ops->data_dot_offset);
dotdot_offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
dotdot_offset = xfs_dir2_db_off_to_dataptr(geo, geo->datablk,
dp->d_ops->data_dotdot_offset);
/*
@ -149,7 +148,7 @@ xfs_dir2_sf_getdents(
for (i = 0; i < sfp->count; i++) {
__uint8_t filetype;
off = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
off = xfs_dir2_db_off_to_dataptr(geo, geo->datablk,
xfs_dir2_sf_get_offset(sfep));
if (ctx->pos > off) {
@ -161,13 +160,13 @@ xfs_dir2_sf_getdents(
filetype = dp->d_ops->sf_get_ftype(sfep);
ctx->pos = off & 0x7fffffff;
if (!dir_emit(ctx, (char *)sfep->name, sfep->namelen, ino,
xfs_dir3_get_dtype(mp, filetype)))
xfs_dir3_get_dtype(dp->i_mount, filetype)))
return 0;
sfep = dp->d_ops->sf_nextentry(sfp, sfep);
}
ctx->pos = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0) &
0x7fffffff;
ctx->pos = xfs_dir2_db_off_to_dataptr(geo, geo->datablk + 1, 0) &
0x7fffffff;
return 0;
}
@ -176,9 +175,10 @@ xfs_dir2_sf_getdents(
*/
STATIC int
xfs_dir2_block_getdents(
xfs_inode_t *dp, /* incore inode */
struct xfs_da_args *args,
struct dir_context *ctx)
{
struct xfs_inode *dp = args->dp; /* incore directory inode */
xfs_dir2_data_hdr_t *hdr; /* block header */
struct xfs_buf *bp; /* buffer for block */
xfs_dir2_block_tail_t *btp; /* block tail */
@ -186,16 +186,15 @@ xfs_dir2_block_getdents(
xfs_dir2_data_unused_t *dup; /* block unused entry */
char *endptr; /* end of the data entries */
int error; /* error return value */
xfs_mount_t *mp; /* filesystem mount point */
char *ptr; /* current data entry */
int wantoff; /* starting block offset */
xfs_off_t cook;
struct xfs_da_geometry *geo = args->geo;
mp = dp->i_mount;
/*
* If the block number in the offset is out of range, we're done.
*/
if (xfs_dir2_dataptr_to_db(mp, ctx->pos) > mp->m_dirdatablk)
if (xfs_dir2_dataptr_to_db(geo, ctx->pos) > geo->datablk)
return 0;
error = xfs_dir3_block_read(NULL, dp, &bp);
@ -206,13 +205,13 @@ xfs_dir2_block_getdents(
* Extract the byte offset we start at from the seek pointer.
* We'll skip entries before this.
*/
wantoff = xfs_dir2_dataptr_to_off(mp, ctx->pos);
wantoff = xfs_dir2_dataptr_to_off(geo, ctx->pos);
hdr = bp->b_addr;
xfs_dir3_data_check(dp, bp);
/*
* Set up values for the loop.
*/
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(geo, hdr);
ptr = (char *)dp->d_ops->data_entry_p(hdr);
endptr = (char *)xfs_dir2_block_leaf_p(btp);
@ -244,7 +243,7 @@ xfs_dir2_block_getdents(
if ((char *)dep - (char *)hdr < wantoff)
continue;
cook = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
cook = xfs_dir2_db_off_to_dataptr(geo, geo->datablk,
(char *)dep - (char *)hdr);
ctx->pos = cook & 0x7fffffff;
@ -254,7 +253,7 @@ xfs_dir2_block_getdents(
*/
if (!dir_emit(ctx, (char *)dep->name, dep->namelen,
be64_to_cpu(dep->inumber),
xfs_dir3_get_dtype(mp, filetype))) {
xfs_dir3_get_dtype(dp->i_mount, filetype))) {
xfs_trans_brelse(NULL, bp);
return 0;
}
@ -264,8 +263,8 @@ xfs_dir2_block_getdents(
* Reached the end of the block.
* Set the offset to a non-existent block 1 and return.
*/
ctx->pos = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0) &
0x7fffffff;
ctx->pos = xfs_dir2_db_off_to_dataptr(geo, geo->datablk + 1, 0) &
0x7fffffff;
xfs_trans_brelse(NULL, bp);
return 0;
}
@ -286,13 +285,13 @@ struct xfs_dir2_leaf_map_info {
STATIC int
xfs_dir2_leaf_readbuf(
struct xfs_inode *dp,
struct xfs_da_args *args,
size_t bufsize,
struct xfs_dir2_leaf_map_info *mip,
xfs_dir2_off_t *curoff,
struct xfs_buf **bpp)
{
struct xfs_mount *mp = dp->i_mount;
struct xfs_inode *dp = args->dp;
struct xfs_buf *bp = *bpp;
struct xfs_bmbt_irec *map = mip->map;
struct blk_plug plug;
@ -300,6 +299,7 @@ xfs_dir2_leaf_readbuf(
int length;
int i;
int j;
struct xfs_da_geometry *geo = args->geo;
/*
* If we have a buffer, we need to release it and
@ -309,12 +309,12 @@ xfs_dir2_leaf_readbuf(
if (bp) {
xfs_trans_brelse(NULL, bp);
bp = NULL;
mip->map_blocks -= mp->m_dirblkfsbs;
mip->map_blocks -= geo->fsbcount;
/*
* Loop to get rid of the extents for the
* directory block.
*/
for (i = mp->m_dirblkfsbs; i > 0; ) {
for (i = geo->fsbcount; i > 0; ) {
j = min_t(int, map->br_blockcount, i);
map->br_blockcount -= j;
map->br_startblock += j;
@ -333,8 +333,7 @@ xfs_dir2_leaf_readbuf(
/*
* Recalculate the readahead blocks wanted.
*/
mip->ra_want = howmany(bufsize + mp->m_dirblksize,
mp->m_sb.sb_blocksize) - 1;
mip->ra_want = howmany(bufsize + geo->blksize, (1 << geo->fsblog)) - 1;
ASSERT(mip->ra_want >= 0);
/*
@ -342,14 +341,14 @@ xfs_dir2_leaf_readbuf(
* run out of data blocks, get some more mappings.
*/
if (1 + mip->ra_want > mip->map_blocks &&
mip->map_off < xfs_dir2_byte_to_da(mp, XFS_DIR2_LEAF_OFFSET)) {
mip->map_off < xfs_dir2_byte_to_da(geo, XFS_DIR2_LEAF_OFFSET)) {
/*
* Get more bmaps, fill in after the ones
* we already have in the table.
*/
mip->nmap = mip->map_size - mip->map_valid;
error = xfs_bmapi_read(dp, mip->map_off,
xfs_dir2_byte_to_da(mp, XFS_DIR2_LEAF_OFFSET) -
xfs_dir2_byte_to_da(geo, XFS_DIR2_LEAF_OFFSET) -
mip->map_off,
&map[mip->map_valid], &mip->nmap, 0);
@ -370,7 +369,7 @@ xfs_dir2_leaf_readbuf(
i = mip->map_valid + mip->nmap - 1;
mip->map_off = map[i].br_startoff + map[i].br_blockcount;
} else
mip->map_off = xfs_dir2_byte_to_da(mp,
mip->map_off = xfs_dir2_byte_to_da(geo,
XFS_DIR2_LEAF_OFFSET);
/*
@ -396,18 +395,18 @@ xfs_dir2_leaf_readbuf(
* No valid mappings, so no more data blocks.
*/
if (!mip->map_valid) {
*curoff = xfs_dir2_da_to_byte(mp, mip->map_off);
*curoff = xfs_dir2_da_to_byte(geo, mip->map_off);
goto out;
}
/*
* Read the directory block starting at the first mapping.
*/
mip->curdb = xfs_dir2_da_to_db(mp, map->br_startoff);
mip->curdb = xfs_dir2_da_to_db(geo, map->br_startoff);
error = xfs_dir3_data_read(NULL, dp, map->br_startoff,
map->br_blockcount >= mp->m_dirblkfsbs ?
XFS_FSB_TO_DADDR(mp, map->br_startblock) : -1, &bp);
map->br_blockcount >= geo->fsbcount ?
XFS_FSB_TO_DADDR(dp->i_mount, map->br_startblock) :
-1, &bp);
/*
* Should just skip over the data block instead of giving up.
*/
@ -419,7 +418,7 @@ xfs_dir2_leaf_readbuf(
* was previously ra.
*/
if (mip->ra_current)
mip->ra_current -= mp->m_dirblkfsbs;
mip->ra_current -= geo->fsbcount;
/*
* Do we need more readahead?
@ -427,16 +426,16 @@ xfs_dir2_leaf_readbuf(
blk_start_plug(&plug);
for (mip->ra_index = mip->ra_offset = i = 0;
mip->ra_want > mip->ra_current && i < mip->map_blocks;
i += mp->m_dirblkfsbs) {
i += geo->fsbcount) {
ASSERT(mip->ra_index < mip->map_valid);
/*
* Read-ahead a contiguous directory block.
*/
if (i > mip->ra_current &&
map[mip->ra_index].br_blockcount >= mp->m_dirblkfsbs) {
map[mip->ra_index].br_blockcount >= geo->fsbcount) {
xfs_dir3_data_readahead(dp,
map[mip->ra_index].br_startoff + mip->ra_offset,
XFS_FSB_TO_DADDR(mp,
XFS_FSB_TO_DADDR(dp->i_mount,
map[mip->ra_index].br_startblock +
mip->ra_offset));
mip->ra_current = i;
@ -456,12 +455,12 @@ xfs_dir2_leaf_readbuf(
/*
* Advance offset through the mapping table.
*/
for (j = 0; j < mp->m_dirblkfsbs; j += length ) {
for (j = 0; j < geo->fsbcount; j += length ) {
/*
* The rest of this extent but not more than a dir
* block.
*/
length = min_t(int, mp->m_dirblkfsbs,
length = min_t(int, geo->fsbcount,
map[mip->ra_index].br_blockcount -
mip->ra_offset);
mip->ra_offset += length;
@ -488,22 +487,23 @@ out:
*/
STATIC int
xfs_dir2_leaf_getdents(
xfs_inode_t *dp, /* incore directory inode */
struct xfs_da_args *args,
struct dir_context *ctx,
size_t bufsize)
{
struct xfs_inode *dp = args->dp;
struct xfs_buf *bp = NULL; /* data block buffer */
xfs_dir2_data_hdr_t *hdr; /* data block header */
xfs_dir2_data_entry_t *dep; /* data entry */
xfs_dir2_data_unused_t *dup; /* unused entry */
int error = 0; /* error return value */
int length; /* temporary length value */
xfs_mount_t *mp; /* filesystem mount point */
int byteoff; /* offset in current block */
xfs_dir2_off_t curoff; /* current overall offset */
xfs_dir2_off_t newoff; /* new curoff after new blk */
char *ptr = NULL; /* pointer to current data */
struct xfs_dir2_leaf_map_info *map_info;
struct xfs_da_geometry *geo = args->geo;
/*
* If the offset is at or past the largest allowed value,
@ -512,15 +512,12 @@ xfs_dir2_leaf_getdents(
if (ctx->pos >= XFS_DIR2_MAX_DATAPTR)
return 0;
mp = dp->i_mount;
/*
* Set up to bmap a number of blocks based on the caller's
* buffer size, the directory block size, and the filesystem
* block size.
*/
length = howmany(bufsize + mp->m_dirblksize,
mp->m_sb.sb_blocksize);
length = howmany(bufsize + geo->blksize, (1 << geo->fsblog));
map_info = kmem_zalloc(offsetof(struct xfs_dir2_leaf_map_info, map) +
(length * sizeof(struct xfs_bmbt_irec)),
KM_SLEEP | KM_NOFS);
@ -536,8 +533,8 @@ xfs_dir2_leaf_getdents(
* Force this conversion through db so we truncate the offset
* down to get the start of the data block.
*/
map_info->map_off = xfs_dir2_db_to_da(mp,
xfs_dir2_byte_to_db(mp, curoff));
map_info->map_off = xfs_dir2_db_to_da(geo,
xfs_dir2_byte_to_db(geo, curoff));
/*
* Loop over directory entries until we reach the end offset.
@ -550,9 +547,9 @@ xfs_dir2_leaf_getdents(
* If we have no buffer, or we're off the end of the
* current buffer, need to get another one.
*/
if (!bp || ptr >= (char *)bp->b_addr + mp->m_dirblksize) {
if (!bp || ptr >= (char *)bp->b_addr + geo->blksize) {
error = xfs_dir2_leaf_readbuf(dp, bufsize, map_info,
error = xfs_dir2_leaf_readbuf(args, bufsize, map_info,
&curoff, &bp);
if (error || !map_info->map_valid)
break;
@ -560,7 +557,8 @@ xfs_dir2_leaf_getdents(
/*
* Having done a read, we need to set a new offset.
*/
newoff = xfs_dir2_db_off_to_byte(mp, map_info->curdb, 0);
newoff = xfs_dir2_db_off_to_byte(geo,
map_info->curdb, 0);
/*
* Start of the current block.
*/
@ -570,7 +568,7 @@ xfs_dir2_leaf_getdents(
* Make sure we're in the right block.
*/
else if (curoff > newoff)
ASSERT(xfs_dir2_byte_to_db(mp, curoff) ==
ASSERT(xfs_dir2_byte_to_db(geo, curoff) ==
map_info->curdb);
hdr = bp->b_addr;
xfs_dir3_data_check(dp, bp);
@ -578,7 +576,7 @@ xfs_dir2_leaf_getdents(
* Find our position in the block.
*/
ptr = (char *)dp->d_ops->data_entry_p(hdr);
byteoff = xfs_dir2_byte_to_off(mp, curoff);
byteoff = xfs_dir2_byte_to_off(geo, curoff);
/*
* Skip past the header.
*/
@ -607,10 +605,10 @@ xfs_dir2_leaf_getdents(
* Now set our real offset.
*/
curoff =
xfs_dir2_db_off_to_byte(mp,
xfs_dir2_byte_to_db(mp, curoff),
xfs_dir2_db_off_to_byte(geo,
xfs_dir2_byte_to_db(geo, curoff),
(char *)ptr - (char *)hdr);
if (ptr >= (char *)hdr + mp->m_dirblksize) {
if (ptr >= (char *)hdr + geo->blksize) {
continue;
}
}
@ -637,7 +635,7 @@ xfs_dir2_leaf_getdents(
ctx->pos = xfs_dir2_byte_to_dataptr(curoff) & 0x7fffffff;
if (!dir_emit(ctx, (char *)dep->name, dep->namelen,
be64_to_cpu(dep->inumber),
xfs_dir3_get_dtype(mp, filetype)))
xfs_dir3_get_dtype(dp->i_mount, filetype)))
break;
/*
@ -667,13 +665,14 @@ xfs_dir2_leaf_getdents(
*/
int
xfs_readdir(
xfs_inode_t *dp,
struct dir_context *ctx,
size_t bufsize)
struct xfs_inode *dp,
struct dir_context *ctx,
size_t bufsize)
{
int rval; /* return value */
int v; /* type-checking value */
uint lock_mode;
struct xfs_da_args args = { NULL };
int rval;
int v;
uint lock_mode;
trace_xfs_readdir(dp);
@ -683,15 +682,18 @@ xfs_readdir(
ASSERT(S_ISDIR(dp->i_d.di_mode));
XFS_STATS_INC(xs_dir_getdents);
args.dp = dp;
args.geo = dp->i_mount->m_dir_geo;
lock_mode = xfs_ilock_data_map_shared(dp);
if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
rval = xfs_dir2_sf_getdents(dp, ctx);
else if ((rval = xfs_dir2_isblock(dp, &v)))
rval = xfs_dir2_sf_getdents(&args, ctx);
else if ((rval = xfs_dir2_isblock(&args, &v)))
;
else if (v)
rval = xfs_dir2_block_getdents(dp, ctx);
rval = xfs_dir2_block_getdents(&args, ctx);
else
rval = xfs_dir2_leaf_getdents(dp, ctx, bufsize);
rval = xfs_dir2_leaf_getdents(&args, ctx, bufsize);
xfs_iunlock(dp, lock_mode);
return rval;

18
fs/xfs/xfs_dir2_sf.c
Unescape View File

@ -82,8 +82,10 @@ xfs_dir2_block_sfsize(
xfs_ino_t parent = 0; /* parent inode number */
int size=0; /* total computed size */
int has_ftype;
struct xfs_da_geometry *geo;
mp = dp->i_mount;
geo = mp->m_dir_geo;
/*
* if there is a filetype field, add the extra byte to the namelen
@ -92,7 +94,7 @@ xfs_dir2_block_sfsize(
has_ftype = xfs_sb_version_hasftype(&mp->m_sb) ? 1 : 0;
count = i8count = namelen = 0;
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
/*
@ -104,8 +106,8 @@ xfs_dir2_block_sfsize(
/*
* Calculate the pointer to the entry at hand.
*/
dep = (xfs_dir2_data_entry_t *)
((char *)hdr + xfs_dir2_dataptr_to_off(mp, addr));
dep = (xfs_dir2_data_entry_t *)((char *)hdr +
xfs_dir2_dataptr_to_off(geo, addr));
/*
* Detect . and .., so we can special-case them.
* . is not included in sf directories.
@ -195,7 +197,7 @@ xfs_dir2_block_to_sf(
/*
* Set up to loop over the block's entries.
*/
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
ptr = (char *)dp->d_ops->data_entry_p(hdr);
endptr = (char *)xfs_dir2_block_leaf_p(btp);
sfep = xfs_dir2_sf_firstentry(sfp);
@ -247,7 +249,7 @@ xfs_dir2_block_to_sf(
/* now we are done with the block, we can shrink the inode */
logflags = XFS_ILOG_CORE;
error = xfs_dir2_shrink_inode(args, mp->m_dirdatablk, bp);
error = xfs_dir2_shrink_inode(args, args->geo->datablk, bp);
if (error) {
ASSERT(error != ENOSPC);
goto out;
@ -586,7 +588,7 @@ xfs_dir2_sf_addname_pick(
* we'll go back, convert to block, then try the insert and convert
* to leaf.
*/
if (used + (holefit ? 0 : size) > mp->m_dirblksize)
if (used + (holefit ? 0 : size) > args->geo->blksize)
return 0;
/*
* If changing the inode number size, do it the hard way.
@ -601,7 +603,7 @@ xfs_dir2_sf_addname_pick(
/*
* If it won't fit at the end then do it the hard way (use the hole).
*/
if (used + size > mp->m_dirblksize)
if (used + size > args->geo->blksize)
return 2;
/*
* Do it the easy way.
@ -652,7 +654,7 @@ xfs_dir2_sf_check(
ASSERT((char *)sfep - (char *)sfp == dp->i_d.di_size);
ASSERT(offset +
(sfp->count + 2) * (uint)sizeof(xfs_dir2_leaf_entry_t) +
(uint)sizeof(xfs_dir2_block_tail_t) <= mp->m_dirblksize);
(uint)sizeof(xfs_dir2_block_tail_t) <= args->geo->blksize);
}
#endif /* DEBUG */

4
fs/xfs/xfs_fsops.c
Unescape View File

@ -24,6 +24,8 @@
#include "xfs_sb.h"
#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_da_format.h"
#include "xfs_da_btree.h"
#include "xfs_inode.h"
#include "xfs_trans.h"
#include "xfs_inode_item.h"
@ -105,7 +107,7 @@ xfs_fs_geometry(
geo->logsectsize = xfs_sb_version_hassector(&mp->m_sb) ?
mp->m_sb.sb_logsectsize : BBSIZE;
geo->rtsectsize = mp->m_sb.sb_blocksize;
geo->dirblocksize = mp->m_dirblksize;
geo->dirblocksize = mp->m_dir_geo->blksize;
}
if (new_version >= 4) {
geo->flags |=

2
fs/xfs/xfs_log_rlimit.c
Unescape View File

@ -42,7 +42,7 @@ xfs_log_calc_max_attrsetm_res(
int size;
int nblks;
size = xfs_attr_leaf_entsize_local_max(mp->m_sb.sb_blocksize) -
size = xfs_attr_leaf_entsize_local_max(mp->m_attr_geo->blksize) -
MAXNAMELEN - 1;
nblks = XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK);
nblks += XFS_B_TO_FSB(mp, size);

16
fs/xfs/xfs_mount.c
Unescape View File

@ -780,12 +780,11 @@ xfs_mountfs(
mp->m_dmevmask = 0; /* not persistent; set after each mount */
xfs_dir_mount(mp);
/*
* Initialize the attribute manager's entries.
*/
mp->m_attr_magicpct = (mp->m_sb.sb_blocksize * 37) / 100;
error = xfs_da_mount(mp);
if (error) {
xfs_warn(mp, "Failed dir/attr init: %d", error);
goto out_remove_uuid;
}
/*
* Initialize the precomputed transaction reservations values.
@ -800,7 +799,7 @@ xfs_mountfs(
error = xfs_initialize_perag(mp, sbp->sb_agcount, &mp->m_maxagi);
if (error) {
xfs_warn(mp, "Failed per-ag init: %d", error);
goto out_remove_uuid;
goto out_free_dir;
}
if (!sbp->sb_logblocks) {
@ -975,6 +974,8 @@ xfs_mountfs(
xfs_wait_buftarg(mp->m_ddev_targp);
out_free_perag:
xfs_free_perag(mp);
out_free_dir:
xfs_da_unmount(mp);
out_remove_uuid:
xfs_uuid_unmount(mp);
out:
@ -1052,6 +1053,7 @@ xfs_unmountfs(
"Freespace may not be correct on next mount.");
xfs_log_unmount(mp);
xfs_da_unmount(mp);
xfs_uuid_unmount(mp);
#if defined(DEBUG)

12
fs/xfs/xfs_mount.h
Unescape View File

@ -27,6 +27,7 @@ struct xfs_nameops;
struct xfs_ail;
struct xfs_quotainfo;
struct xfs_dir_ops;
struct xfs_da_geometry;
#ifdef HAVE_PERCPU_SB
@ -96,6 +97,8 @@ typedef struct xfs_mount {
uint m_readio_blocks; /* min read size blocks */
uint m_writeio_log; /* min write size log bytes */
uint m_writeio_blocks; /* min write size blocks */
struct xfs_da_geometry *m_dir_geo; /* directory block geometry */
struct xfs_da_geometry *m_attr_geo; /* attribute block geometry */
struct xlog *m_log; /* log specific stuff */
int m_logbufs; /* number of log buffers */
int m_logbsize; /* size of each log buffer */
@ -131,8 +134,6 @@ typedef struct xfs_mount {
int m_fixedfsid[2]; /* unchanged for life of FS */
uint m_dmevmask; /* DMI events for this FS */
__uint64_t m_flags; /* global mount flags */
uint m_dir_node_ents; /* #entries in a dir danode */
uint m_attr_node_ents; /* #entries in attr danode */
int m_ialloc_inos; /* inodes in inode allocation */
int m_ialloc_blks; /* blocks in inode allocation */
int m_inoalign_mask;/* mask sb_inoalignmt if used */
@ -145,17 +146,10 @@ typedef struct xfs_mount {
int m_dalign; /* stripe unit */
int m_swidth; /* stripe width */
int m_sinoalign; /* stripe unit inode alignment */
int m_attr_magicpct;/* 37% of the blocksize */
int m_dir_magicpct; /* 37% of the dir blocksize */
__uint8_t m_sectbb_log; /* sectlog - BBSHIFT */
const struct xfs_nameops *m_dirnameops; /* vector of dir name ops */
const struct xfs_dir_ops *m_dir_inode_ops; /* vector of dir inode ops */
const struct xfs_dir_ops *m_nondir_inode_ops; /* !dir inode ops */
int m_dirblksize; /* directory block sz--bytes */
int m_dirblkfsbs; /* directory block sz--fsbs */
xfs_dablk_t m_dirdatablk; /* blockno of dir data v2 */
xfs_dablk_t m_dirleafblk; /* blockno of dir non-data v2 */
xfs_dablk_t m_dirfreeblk; /* blockno of dirfreeindex v2 */
uint m_chsize; /* size of next field */
atomic_t m_active_trans; /* number trans frozen */
#ifdef HAVE_PERCPU_SB

1
fs/xfs/xfs_symlink.c
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@ -27,6 +27,7 @@
#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_da_format.h"
#include "xfs_da_btree.h"
#include "xfs_dir2.h"
#include "xfs_inode.h"
#include "xfs_ialloc.h"

3
fs/xfs/xfs_trans_resv.c
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@ -26,6 +26,7 @@
#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_da_format.h"
#include "xfs_da_btree.h"
#include "xfs_inode.h"
#include "xfs_bmap_btree.h"
#include "xfs_ialloc.h"
@ -609,7 +610,7 @@ xfs_calc_addafork_reservation(
return XFS_DQUOT_LOGRES(mp) +
xfs_calc_inode_res(mp, 1) +
xfs_calc_buf_res(2, mp->m_sb.sb_sectsize) +
xfs_calc_buf_res(1, mp->m_dirblksize) +
xfs_calc_buf_res(1, mp->m_dir_geo->blksize) +
xfs_calc_buf_res(XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1,
XFS_FSB_TO_B(mp, 1)) +
xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1),

5
fs/xfs/xfs_trans_space.h
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@ -28,7 +28,8 @@
(((b + XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) - 1) / \
XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)) * \
XFS_EXTENTADD_SPACE_RES(mp,w))
#define XFS_DAENTER_1B(mp,w) ((w) == XFS_DATA_FORK ? (mp)->m_dirblkfsbs : 1)
#define XFS_DAENTER_1B(mp,w) \
((w) == XFS_DATA_FORK ? (mp)->m_dir_geo->fsbcount : 1)
#define XFS_DAENTER_DBS(mp,w) \
(XFS_DA_NODE_MAXDEPTH + (((w) == XFS_DATA_FORK) ? 2 : 0))
#define XFS_DAENTER_BLOCKS(mp,w) \
@ -55,7 +56,7 @@
* Space reservation values for various transactions.
*/
#define XFS_ADDAFORK_SPACE_RES(mp) \
((mp)->m_dirblkfsbs + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK))
((mp)->m_dir_geo->fsbcount + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK))
#define XFS_ATTRRM_SPACE_RES(mp) \
XFS_DAREMOVE_SPACE_RES(mp, XFS_ATTR_FORK)
/* This macro is not used - see inline code in xfs_attr_set */

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