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Jeff Layton be20aa00c6 nfsd: don't hold ls_mutex across a layout recall ... We do need to serialize layout stateid morphing operations, but we currently hold the ls_mutex across a layout recall which is pretty ugly. It's also unnecessary -- once we've bumped the seqid and copied it, we don't need to serialize the rest of the CB_LAYOUTRECALL vs. anything else. Just drop the mutex once the copy is done. This was causing a "workqueue leaked lock or atomic" warning and an occasional deadlock. There's more work to be done here but this fixes the immediate regression. Fixes: cc8a55320b "nfsd: serialize layout stateid morphing operations" Cc: stable@vger.kernel.org Reported-by: Kinglong Mee <kinglongmee@gmail.com> Signed-off-by: Jeff Layton <jeff.layton@primarydata.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>		9 years ago
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Kconfig	Merge branch 'for-4.1' of git://linux-nfs.org/~bfields/linux	10 years ago
Makefile	nfsd: pNFS block layout driver	10 years ago
acl.h	…
auth.c	…
auth.h	…
blocklayout.c	nfsd/blocklayout: accept any minlength	9 years ago
blocklayoutxdr.c	pnfs: move common blocklayout XDR defintions to nfs4.h	10 years ago
blocklayoutxdr.h	pnfs: move common blocklayout XDR defintions to nfs4.h	10 years ago
cache.h	nfsd: Remove the cache_hash list	11 years ago
current_stateid.h	…
export.c	sunrpc/nfsd: Remove redundant code by exports seq_operations functions	10 years ago
export.h	nfsd: include linux/nfs4.h in export.h	10 years ago
fault_inject.c	nfsd: remove old fault injection infrastructure	11 years ago
idmap.h	nfsd: Remove duplicate define of IDMAP_NAMESZ/IDMAP_TYPE_xx	10 years ago
lockd.c	…
netns.h	nfsd: New counter for generating client confirm verifier	10 years ago
nfs2acl.c	nfsd: Add macro NFS_ACL_MASK for ACL	10 years ago
nfs3acl.c	nfsd: Add macro NFS_ACL_MASK for ACL	10 years ago
nfs3proc.c	VFS: normal filesystems (and lustre): d_inode() annotations	10 years ago
nfs3xdr.c	nfsd: switch unsigned char flags in svc_fh to bools	9 years ago
nfs4acl.c	nfsd: Fix two typos in comments	10 years ago
nfs4callback.c	nfsd: New helper nfsd4_cb_sequence_done() for processing more cb errors	10 years ago
nfs4idmap.c	nfsd: Remove duplicate define of IDMAP_NAMESZ/IDMAP_TYPE_xx	10 years ago
nfs4layouts.c	nfsd: don't hold ls_mutex across a layout recall	9 years ago
nfs4proc.c	nfsd: serialize layout stateid morphing operations	9 years ago
nfs4recover.c	nfsd: don't WARN/backtrace for invalid container deployment.	10 years ago
nfs4state.c	nfsd: fix race with open / open upgrade stateids	9 years ago
nfs4xdr.c	NFSD: Return word2 bitmask if setting security label in OPEN/CREATE	10 years ago
nfscache.c	nfsd: remove recurring workqueue job to clean DRC	9 years ago
nfsctl.c	nfsd: fix nsfd startup race triggering BUG_ON	10 years ago
nfsd.h	nfsd: eliminate NFSD_DEBUG	10 years ago
nfsfh.c	nfsd: switch unsigned char flags in svc_fh to bools	9 years ago
nfsfh.h	nfsd: switch unsigned char flags in svc_fh to bools	9 years ago
nfsproc.c	nfsd: Disable NFSv2 timestamp workaround for NFSv3+	10 years ago
nfssvc.c	nfsd/sunrpc: abstract out svc_set_num_threads to sv_ops	10 years ago
nfsxdr.c	VFS: normal filesystems (and lustre): d_inode() annotations	10 years ago
pnfs.h	nfsd4: fix v3-less build	10 years ago
state.h	nfsd: ensure that seqid morphing operations are atomic wrt to copies	9 years ago
stats.c	…
stats.h	…
trace.c	nfsd: move include of state.h from trace.c to trace.h	9 years ago
trace.h	nfsd: move include of state.h from trace.c to trace.h	9 years ago
vfs.c	nfsd: switch unsigned char flags in svc_fh to bools	9 years ago
vfs.h	nfsd: switch unsigned char flags in svc_fh to bools	9 years ago
xdr.h	…
xdr3.h	…
xdr4.h	nfsd: switch unsigned char flags in svc_fh to bools	9 years ago
xdr4cb.h	nfsd: implement pNFS layout recalls	10 years ago