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linux/fs/nfs
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Trond Myklebust ecebb80bf3 pNFS: Always update the layout barrier seqid on LAYOUTGET 
Currently, pnfs_set_layout_stateid() will update the layout sequence
id barrier only if the stateid itself is newer than the current
layout stateid. However in a situation where multiple LAYOUTGET calls
and a LAYOUTRETURN raced, it is entirely possible for one of the
LAYOUTGET to set the current stateid to something newer than the
LAYOUTRETURN that needs to set the barrier.

The fix is to allow the "update_barrier" flag to force a check as to
whether or not the barrier needs to be updated.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2016-07-24 16:16:38 -04:00
..
blocklayout Fix NULL pointer dereference in bl_free_device(). 2016-07-22 15:14:21 -04:00
filelayout pnfs: pnfs_update_layout needs to consider if strict iomode checking is on 2016-05-26 08:40:56 -04:00
flexfilelayout pnfs: pnfs_update_layout needs to consider if strict iomode checking is on 2016-05-26 08:40:56 -04:00
objlayout mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
cache_lib.c NFS: simplify and clean cache library 2013-02-15 10:43:36 -05:00
cache_lib.h NFS: simplify and clean cache library 2013-02-15 10:43:36 -05:00
callback.c NFS: Enable client side NFSv4.1 backchannel to use other transports 2015-11-02 16:29:13 -05:00
callback.h NFSv4.x: Allow multiple callbacks in flight 2016-01-25 09:36:21 -05:00
callback_proc.c pnfs: only tear down lsegs that precede seqid in LAYOUTRETURN args 2016-05-17 15:48:10 -04:00
callback_xdr.c NFSv4: Label stateids with the type 2016-05-17 15:48:06 -04:00
client.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
delegation.c NFSv4: Use the right stateid for delegations in setattr, read and write 2016-05-17 15:48:07 -04:00
delegation.h NFSv4: Use the right stateid for delegations in setattr, read and write 2016-05-17 15:48:07 -04:00
dir.c make nfs_atomic_open() call d_drop() on all ->open_context() errors. 2016-06-27 08:59:08 -04:00
direct.c NFS: Fix up O_DIRECT results 2016-06-24 12:01:00 -04:00
dns_resolve.c NFS: Enabling v4.2 should not recompile nfsd and lockd 2013-11-19 16:20:40 -05:00
dns_resolve.h NFS: DNS resolver cache per network namespace context introduced 2012-01-31 18:20:26 -05:00
file.c direct-io: eliminate the offset argument to ->direct_IO 2016-05-01 19:58:39 -04:00
fscache-index.c NFS: Fabricate fscache server index key correctly 2014-09-25 21:25:18 -04:00
fscache.c nfs: define nfs_inc_fscache_stats and using it as possible 2014-11-24 20:08:47 -05:00
fscache.h NFS: Use i_writecount to control whether to get an fscache cookie in nfs_open() 2013-09-27 18:40:25 +01:00
getroot.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
inode.c NFS: Fix potential race in nfs_fhget() 2016-06-24 12:01:00 -04:00
internal.h NFS: Add nfs_commit_file() 2016-05-17 15:47:55 -04:00
iostat.h nfs: define nfs_inc_fscache_stats and using it as possible 2014-11-24 20:08:47 -05:00
Kconfig kernel: conditionally support non-root users, groups and capabilities 2015-04-15 16:35:22 -07:00
Makefile NFS: Rename idmap.c to nfs4idmap.c 2015-04-23 15:16:14 -04:00
mount_clnt.c NFS: Remove unneeded NFS_DEBUG checking before define NFSDBG_FACILITY 2015-10-21 15:49:23 -05:00
namespace.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
netns.h pnfs/blocklayout: serialize GETDEVICEINFO calls 2014-11-12 14:22:52 -05:00
nfs.h NFS: Convert v4 into a module 2012-07-30 19:06:52 -04:00
nfs2super.c NFS: Convert v2 into a module 2012-07-30 19:06:41 -04:00
nfs2xdr.c nfs: save server READ/WRITE/COMMIT status 2015-02-03 11:06:40 -08:00
nfs3_fs.h nfsv3: introduce nfs3_set_ds_client 2015-02-03 11:06:34 -08:00
nfs3acl.c posix_acl: Inode acl caching fixes 2016-03-31 00:30:15 -04:00
nfs3client.c nfs: set hostname when creating nfsv3 ds connection 2015-02-03 11:06:38 -08:00
nfs3proc.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
nfs3super.c nfsv3: introduce nfs3_set_ds_client 2015-02-03 11:06:34 -08:00
nfs3xdr.c xprtrdma: Fix large NFS SYMLINK calls 2015-08-05 16:21:28 -04:00
nfs4_fs.h NFSv4: Use the right stateid for delegations in setattr, read and write 2016-05-17 15:48:07 -04:00
nfs4client.c nfs4: start callback_ident at idr 1 2015-11-23 21:59:42 -05:00
nfs4file.c NFS: Add COPY nfs operation 2016-05-17 15:47:55 -04:00
nfs4getroot.c nfs: Remove invalid NFS_ATTR_FATTR_V4_REFERRAL checking in nfs4_get_rootfh 2015-07-01 11:31:22 -04:00
nfs4idmap.c KEYS: Add a facility to restrict new links into a keyring 2016-04-11 22:37:37 +01:00
nfs4idmap.h NFS: Move nfs_idmap.h into fs/nfs/ 2015-04-23 15:16:14 -04:00
nfs4namespace.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
nfs4proc.c pNFS: LAYOUTRETURN should only update the stateid if the layout is valid 2016-07-24 12:51:49 -04:00
nfs4renewd.c NFSv4.1: Fix an NFSv4.1 state renewal regression 2014-09-30 17:18:42 -04:00
nfs4session.c NFSv4.x: Allow multiple callbacks in flight 2016-01-25 09:36:21 -05:00
nfs4session.h NFSv4.x: Allow multiple callbacks in flight 2016-01-25 09:36:21 -05:00
nfs4state.c nfs4: Fix potential use after free of state in nfs4_do_reclaim. 2016-06-24 12:01:00 -04:00
nfs4super.c NFS: Move nfs_idmap.h into fs/nfs/ 2015-04-23 15:16:14 -04:00
nfs4sysctl.c nfs: do not initialise statics to 0 2015-12-28 09:57:15 -05:00
nfs4trace.c pNFS: Modify pnfs_update_layout tracepoints to use layout stateid 2015-12-28 09:57:14 -05:00
nfs4trace.h pnfs: rework LAYOUTGET retry handling 2016-05-17 15:48:12 -04:00
nfs4xdr.c NFSv4: Label stateids with the type 2016-05-17 15:48:06 -04:00
nfs42.h NFS: Add COPY nfs operation 2016-05-17 15:47:55 -04:00
nfs42proc.c NFS client updates for Linux 4.7 2016-05-26 10:33:33 -07:00
nfs42xdr.c NFS: Add COPY nfs operation 2016-05-17 15:47:55 -04:00
nfsroot.c nfsroot: make nfsroot to accept the 1024 bytes long directory name 2015-10-21 15:49:19 -05:00
nfstrace.c NFSv4: Allow tracing of NFSv4 fsync calls 2015-03-27 12:39:34 -04:00
nfstrace.h nfs: per-name sillyunlink exclusion 2016-05-09 11:39:45 -04:00
pagelist.c NFS: Add nfs_commit_file() 2016-05-17 15:47:55 -04:00
pnfs.c pNFS: Always update the layout barrier seqid on LAYOUTGET 2016-07-24 16:16:38 -04:00
pnfs.h pNFS: LAYOUTRETURN should only update the stateid if the layout is valid 2016-07-24 12:51:49 -04:00
pnfs_dev.c NFSv4.1: Don't cache deviceids that have no notifications 2015-03-27 12:32:24 -04:00
pnfs_nfs.c pnfs_nfs: fix _cancel_empty_pagelist 2016-06-24 12:01:00 -04:00
proc.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
read.c NFS: Fix a double page unlock 2016-06-24 12:01:00 -04:00
super.c xprtrdma: Add rdma6 option to support NFS/RDMA IPv6 2016-05-17 15:47:56 -04:00
symlink.c switch ->get_link() to delayed_call, kill ->put_link() 2015-12-30 13:01:03 -05:00
sysctl.c nfs: convert use of typedef ctl_table to struct ctl_table 2014-06-06 16:08:16 -07:00
unlink.c nfs: per-name sillyunlink exclusion 2016-05-09 11:39:45 -04:00
write.c nfs: avoid race that crashes nfs_init_commit 2016-05-25 12:59:01 -04:00