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1110cb2a343f506287d46e0c614512afaa7c7906
linux/fs/nfs
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Trond Myklebust 1339e2b8ea pnfs: Don't release the sequence slot until we've processed layoutget on open 
[ Upstream commit ae55e59da0 ]

If the server recalls the layout that was just handed out, we risk hitting
a race as described in RFC5661 Section 2.10.6.3 unless we ensure that we
release the sequence slot after processing the LAYOUTGET operation that
was sent as part of the OPEN compound.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-03 07:50:25 +02:00
..
blocklayout
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
filelayout
nfs41: do not return ENOMEM on LAYOUTUNAVAILABLE
2018-02-16 20:22:58 +01:00
flexfilelayout
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cache_lib.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cache_lib.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
callback_proc.c
NFSv4: Revert commit 5f83d86cf5 ("NFSv4.x: Fix wraparound issues..")
2018-07-03 11:25:02 +02:00
callback_xdr.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
callback.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
callback.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
client.c
NFS: Fix uninitialized rpc_wait_queue
2017-10-01 18:51:30 -04:00
delegation.c
NFS: Use an atomic_long_t to count the number of requests
2017-08-15 11:54:47 -04:00
delegation.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dir.c
NFS: Fix a typo in nfs_rename()
2017-12-14 09:53:08 +01:00
direct.c
NFS: Fix an incorrect type in struct nfs_direct_req
2018-03-15 10:54:27 +01:00
dns_resolve.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dns_resolve.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
export.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
file.c
NFS: Revert "NFS: Move the flock open mode check into nfs_flock()"
2017-11-30 08:40:46 +00:00
fscache-index.c
fscache: remove unused ->now_uncached callback
2017-09-06 17:27:26 -07:00
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
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
inode.c
NFS: Use an atomic_long_t to count the number of commits
2017-08-15 11:54:48 -04:00
internal.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
io.c
NFS: Fix a race between mmap() and O_DIRECT
2018-02-16 20:22:59 +01:00
iostat.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kconfig
pnfs/blocklayout: require 64-bit sector_t
2017-08-11 14:10:13 -04:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mount_clnt.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
namespace.c
NFS: Use ERR_CAST() to avoid cross-structure cast
2017-05-28 10:11:47 -07:00
netns.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs2super.c
…
nfs2xdr.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs3_fs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs3acl.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs3client.c
NFS: Remove unused authflavour parameter from nfs_get_client()
2016-12-01 17:46:32 -05:00
nfs3proc.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs3super.c
nfsv3: introduce nfs3_set_ds_client
2015-02-03 11:06:34 -08:00
nfs3xdr.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs4_fs.h
NFSv4.1: Fix up replays of interrupted requests
2018-06-26 08:06:29 +08:00
nfs4client.c
nfs: system crashes after NFS4ERR_MOVED recovery
2018-05-30 07:52:01 +02:00
nfs4file.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs4getroot.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs4idmap.c
NFSv4: Fix possible 1-byte stack overflow in nfs_idmap_read_and_verify_message
2018-07-03 11:25:02 +02:00
nfs4idmap.h
NFS: Move nfs_idmap.h into fs/nfs/
2015-04-23 15:16:14 -04:00
nfs4namespace.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs4proc.c
pnfs: Don't release the sequence slot until we've processed layoutget on open
2018-08-03 07:50:25 +02:00
nfs4renewd.c
NFSv4: Set the connection timeout to match the lease period
2017-02-09 14:15:16 -05:00
nfs4session.c
NFSv4.1: Fix regression in callback retry handling
2016-12-01 17:21:38 -05:00
nfs4session.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs4state.c
NFSv4: always set NFS_LOCK_LOST when a lock is lost.
2018-04-26 11:02:03 +02:00
nfs4super.c
NFS: Move nfs_idmap.h into fs/nfs/
2015-04-23 15:16:14 -04:00
nfs4sysctl.c
nfs: Do not convert nfs_idmap_cache_timeout to jiffies
2018-04-26 11:02:08 +02:00
nfs4trace.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs4trace.h
NFS: Avoid RCU usage in tracepoints
2017-11-30 08:40:46 +00:00
nfs4xdr.c
NFS: Fix nfsstat breakage due to LOOKUPP
2018-02-16 20:22:58 +01:00
nfs42.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs42proc.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs42xdr.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfsroot.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfstrace.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfstrace.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pagelist.c
NFS: various changes relating to reporting IO errors.
2017-09-11 22:28:56 -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
NFS: Remove pnfs_generic_transfer_commit_list()
2017-09-09 12:51:40 -04:00
pnfs.c
skip LAYOUTRETURN if layout is invalid
2018-08-03 07:50:22 +02:00
pnfs.h
NFSv4/pnfs: Replace pnfs_put_lseg_locked() with pnfs_put_lseg()
2017-08-15 11:54:48 -04:00
proc.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
read.c
NFS: Add static NFS I/O tracepoints
2017-09-11 22:20:38 -04:00
super.c
fs: Teach path_connected to handle nfs filesystems with multiple roots.
2018-03-21 12:06:43 +01:00
symlink.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sysctl.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
unlink.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
write.c
NFS: Fix unstable write completion
2018-03-15 10:54:27 +01:00