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Chris Mason e6dcd2dc9c Btrfs: New data=ordered implementation ... The old data=ordered code would force commit to wait until all the data extents from the transaction were fully on disk. This introduced large latencies into the commit and stalled new writers in the transaction for a long time. The new code changes the way data allocations and extents work: * When delayed allocation is filled, data extents are reserved, and the extent bit EXTENT_ORDERED is set on the entire range of the extent. A struct btrfs_ordered_extent is allocated an inserted into a per-inode rbtree to track the pending extents. * As each page is written EXTENT_ORDERED is cleared on the bytes corresponding to that page. * When all of the bytes corresponding to a single struct btrfs_ordered_extent are written, The previously reserved extent is inserted into the FS btree and into the extent allocation trees. The checksums for the file data are also updated. Signed-off-by: Chris Mason <chris.mason@oracle.com>		17 years ago
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COPYING	…
INSTALL	…
Makefile	…
TODO	…
acl.c	…
async-thread.c	…
async-thread.h	…
bit-radix.c	…
bit-radix.h	…
btrfs_inode.h	Btrfs: New data=ordered implementation	17 years ago
compat.h	…
crc32c.h	…
ctree.c	Btrfs: Add locking around volume management (device add/remove/balance)	17 years ago
ctree.h	Btrfs: New data=ordered implementation	17 years ago
dir-item.c	…
disk-io.c	Btrfs: New data=ordered implementation	17 years ago
disk-io.h	Btrfs: Online btree defragmentation fixes	17 years ago
extent-tree.c	Btrfs: New data=ordered implementation	17 years ago
extent_io.c	Btrfs: New data=ordered implementation	17 years ago
extent_io.h	Btrfs: New data=ordered implementation	17 years ago
extent_map.c	Btrfs: New data=ordered implementation	17 years ago
extent_map.h	…
file-item.c	Btrfs: New data=ordered implementation	17 years ago
file.c	Btrfs: New data=ordered implementation	17 years ago
hash.c	…
hash.h	…
inode-item.c	…
inode-map.c	Btrfs: Replace the big fs_mutex with a collection of other locks	17 years ago
inode.c	Btrfs: New data=ordered implementation	17 years ago
ioctl.c	Btrfs: Add locking around volume management (device add/remove/balance)	17 years ago
ioctl.h	…
locking.c	Btrfs: Reduce contention on the root node	17 years ago
locking.h	…
ordered-data.c	Btrfs: New data=ordered implementation	17 years ago
ordered-data.h	Btrfs: New data=ordered implementation	17 years ago
print-tree.c	…
print-tree.h	…
root-tree.c	Btrfs: Fix deadlock while searching for dead roots on mount	17 years ago
struct-funcs.c	…
super.c	Btrfs: Online btree defragmentation fixes	17 years ago
sysfs.c	…
transaction.c	Btrfs: New data=ordered implementation	17 years ago
transaction.h	Btrfs: New data=ordered implementation	17 years ago
tree-defrag.c	Btrfs: Online btree defragmentation fixes	17 years ago
volumes.c	Btrfs: Add locking around volume management (device add/remove/balance)	17 years ago
volumes.h	…
xattr.c	Btrfs: Replace the big fs_mutex with a collection of other locks	17 years ago
xattr.h	…