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alistair23-linux/fs/nfs
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Trond Myklebust 3be0f80b5f NFSv4.1: Fix up replays of interrupted requests 
If the previous request on a slot was interrupted before it was
processed by the server, then our slot sequence number may be out of whack,
and so we try the next operation using the old sequence number.

The problem with this, is that not all servers check to see that the
client is replaying the same operations as previously when they decide
to go to the replay cache, and so instead of the expected error of
NFS4ERR_SEQ_FALSE_RETRY, we get a replay of the old reply, which could
(if the operations match up) be mistaken by the client for a new reply.

To fix this, we attempt to send a COMPOUND containing only the SEQUENCE op
in order to resync our slot sequence number.

Cc: Olga Kornievskaia <olga.kornievskaia@gmail.com>
[olga.kornievskaia@gmail.com: fix an Oops]
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2017-11-17 13:47:58 -05:00
..
blocklayout block: replace bi_bdev with a gendisk pointer and partitions index 2017-08-23 12:49:55 -06:00
filelayout nfs/filelayout: fix oops when freeing filelayout segment 2017-10-01 18:51:30 -04:00
flexfilelayout nfs/flexfiles: fix leak of nfs4_ff_ds_version arrays 2017-08-08 17:18:10 -04:00
cache_lib.c
cache_lib.h
callback.c sunrpc: Const-ify struct sv_serv_ops 2017-08-24 22:13:50 -04:00
callback.h nfs: don't cast callback decode/proc/encode routines 2017-07-13 15:57:56 -04:00
callback_proc.c NFS: Use an atomic_long_t to count the number of requests 2017-08-15 11:54:47 -04:00
callback_xdr.c Chuck's RDMA update overhauls the "call receive" side of the 2017-07-13 13:56:24 -07:00
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
dir.c NFS: remove special-case revalidate in nfs_opendir() 2017-10-16 13:51:27 -04:00
direct.c NFSv4: Use a mutex to protect the per-inode commit lists 2017-08-15 11:54:47 -04:00
dns_resolve.c
dns_resolve.h
export.c nfs: add export operations 2017-07-13 17:12:04 -04:00
file.c NFS: various changes relating to reporting IO errors. 2017-09-11 22:28:56 -04:00
fscache-index.c fscache: remove unused ->now_uncached callback 2017-09-06 17:27:26 -07:00
fscache.c
fscache.h
getroot.c
inode.c NFS: Use an atomic_long_t to count the number of commits 2017-08-15 11:54:48 -04:00
internal.h NFS: various changes relating to reporting IO errors. 2017-09-11 22:28:56 -04:00
io.c
iostat.h
Kconfig pnfs/blocklayout: require 64-bit sector_t 2017-08-11 14:10:13 -04:00
Makefile nfs: add export operations 2017-07-13 17:12:04 -04:00
mount_clnt.c nfs: count correct array for mnt3_counts array size 2017-07-21 08:49:57 -04:00
namespace.c
netns.h
nfs.h
nfs2super.c
nfs2xdr.c NFS: convert flags to bool 2017-07-13 15:58:04 -04:00
nfs3_fs.h
nfs3acl.c
nfs3client.c
nfs3proc.c NFS: Don't compare apples to elephants to determine access bits 2017-10-16 13:51:27 -04:00
nfs3super.c
nfs3xdr.c NFS: convert flags to bool 2017-07-13 15:58:04 -04:00
nfs4_fs.h NFSv4.1: Fix up replays of interrupted requests 2017-11-17 13:47:58 -05:00
nfs4client.c NFSv4: Fix double frees in nfs4_test_session_trunk() 2017-08-02 09:45:55 -04:00
nfs4file.c
nfs4getroot.c
nfs4idmap.c NFS: Cleanup error handling in nfs_idmap_request_key() 2017-10-01 18:51:30 -04:00
nfs4idmap.h
nfs4namespace.c
nfs4proc.c NFSv4.1: Fix up replays of interrupted requests 2017-11-17 13:47:58 -05:00
nfs4renewd.c
nfs4session.c
nfs4session.h
nfs4state.c NFS client updates for Linux 4.13 2017-07-13 14:35:37 -07:00
nfs4super.c
nfs4sysctl.c
nfs4trace.c
nfs4trace.h nfs4: add NFSv4 LOOKUPP handlers 2017-07-13 16:00:15 -04:00
nfs4xdr.c nfs: RPC_MAX_AUTH_SIZE is in bytes 2017-10-01 18:51:30 -04:00
nfs42.h
nfs42proc.c NFSv4.2 fix size storage for nfs42_proc_copy 2017-07-13 16:00:14 -04:00
nfs42xdr.c nfs: fix decoder callback prototypes 2017-07-13 15:57:56 -04:00
nfsroot.c
nfstrace.c
nfstrace.h NFS: Add static NFS I/O tracepoints 2017-09-11 22:20:38 -04:00
pagelist.c NFS: various changes relating to reporting IO errors. 2017-09-11 22:28:56 -04:00
pnfs.c pNFS: Use the standard I/O stateid when calling LAYOUTGET 2017-09-11 22:19:00 -04:00
pnfs.h NFSv4/pnfs: Replace pnfs_put_lseg_locked() with pnfs_put_lseg() 2017-08-15 11:54:48 -04:00
pnfs_dev.c
pnfs_nfs.c NFS: Remove pnfs_generic_transfer_commit_list() 2017-09-09 12:51:40 -04:00
proc.c NFS: convert flags to bool 2017-07-13 15:58:04 -04:00
read.c NFS: Add static NFS I/O tracepoints 2017-09-11 22:20:38 -04:00
super.c Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-09-14 18:54:01 -07:00
symlink.c
sysctl.c
unlink.c NFS: nfs_rename() - revalidate directories on -ERESTARTSYS 2017-07-13 15:58:04 -04:00
write.c NFS: various changes relating to reporting IO errors. 2017-09-11 22:28:56 -04:00