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Trond Myklebust 2454dfea0a NFSv4.x/pnfs: Fix a race between layoutget and pnfs_destroy_layout 
If the server reboots while there is a layoutget outstanding, then
the call to pnfs_choose_layoutget_stateid() will fail with an EAGAIN
error, which causes an infinite loop in send_layoutget(). The reason
why we never break out of the loop is that the layout 'plh_block_lgets'
field is never cleared.

Fix is to replace plh_block_lgets with NFS_LAYOUT_INVALID_STID, which
can be reset after a new layoutget.

Fixes: ab7d763e47 ("pNFS: Ensure nfs4_layoutget_prepare returns...")
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2016-02-22 17:34:59 -05:00
..
blocklayout pnfs/blocklayout: fix a memeory leak when using,vmalloc_to_page 2016-02-17 11:44:45 -05:00
filelayout NFS: Simplify nfs_request_add_commit_list() arguments 2016-01-21 15:54:04 -05:00
flexfilelayout NFS: Cleanup - rename NFS_LAYOUT_RETURN_BEFORE_CLOSE 2016-01-27 20:40:05 -05:00
objlayout osd fs: __r4w_get_page rely on PageUptodate for uptodate 2015-12-12 10:15:34 -08:00
cache_lib.c
cache_lib.h
callback.c NFS: Enable client side NFSv4.1 backchannel to use other transports 2015-11-02 16:29:13 -05:00
callback.h NFS: Remove the left function defines in callback.h 2015-10-21 15:49:22 -05:00
callback_proc.c NFSv4.1/pNFS: Fix a race in initiate_file_draining() 2016-01-04 12:36:12 -05:00
callback_xdr.c SUNRPC: Fix callback channel 2015-12-07 13:04:59 -08:00
client.c nfs: get clone_blksize when probing fsinfo 2015-10-15 16:08:18 -04:00
delegation.c NFSv4: Don't use synchronous delegation recall in exception handling 2015-10-08 10:45:53 -04:00
delegation.h NFSv4: Recovery of recalled read delegations is broken 2015-09-20 22:34:16 -04:00
dir.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
direct.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
dns_resolve.c NFS: Enabling v4.2 should not recompile nfsd and lockd 2013-11-19 16:20:40 -05:00
dns_resolve.h
file.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
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 wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
internal.h NFS: Simplify nfs_request_add_commit_list() arguments 2016-01-21 15:54:04 -05:00
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
nfs2super.c
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 acls: Remove duplicate xattr name definitions 2015-12-06 21:25:17 -05:00
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: Refactor NFSv4 error handling 2015-10-08 10:45:51 -04:00
nfs4client.c nfs4: start callback_ident at idr 1 2015-11-23 21:59:42 -05:00
nfs4file.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
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: Merge the type-specific data with the payload data 2015-10-21 15:18:36 +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 NFSv4: Fix a dentry leak on alias use 2016-02-17 11:35:25 -05:00
nfs4renewd.c NFSv4.1: Fix an NFSv4.1 state renewal regression 2014-09-30 17:18:42 -04:00
nfs4session.c NFSv4.1: Don't set up a backchannel if the server didn't agree to do so 2015-02-18 12:30:47 -08:00
nfs4session.h NFSv4.1: Clear the old state by our client id before establishing a new lease 2015-03-03 21:52:30 -05:00
nfs4state.c NFSv4: Don't try to reclaim unused state owners 2015-10-02 15:43:07 -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 Merge branch 'bugfixes' 2016-01-07 18:45:36 -05:00
nfs4xdr.c NFS4: Cleanup FATTR4_WORD0_FS_LOCATIONS after decoding success 2015-11-23 21:56:53 -05:00
nfs42.h nfs42: add CLONE proc functions 2015-10-15 16:07:36 -04:00
nfs42proc.c nfs4: fix stateid handling for the NFS v4.2 operations 2016-02-17 11:38:07 -05:00
nfs42xdr.c nfs42: add CLONE xdr functions 2015-10-15 16:07:21 -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: Allow multiple commit requests in flight per file 2015-12-31 13:53:48 -05:00
pagelist.c NFS: Fix a compile warning about unused variable in nfs_generic_pg_pgios() 2016-01-08 08:12:47 -05:00
pnfs.c NFSv4.x/pnfs: Fix a race between layoutget and pnfs_destroy_layout 2016-02-22 17:34:59 -05:00
pnfs.h NFS: Cleanup - rename NFS_LAYOUT_RETURN_BEFORE_CLOSE 2016-01-27 20:40:05 -05:00
pnfs_dev.c NFSv4.1: Don't cache deviceids that have no notifications 2015-03-27 12:32:24 -04:00
pnfs_nfs.c NFSv4.1/pNFS: Don't queue up a new commit if the layout segment is invalid 2015-12-31 15:55:35 -05:00
proc.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
read.c nfs: handle request add failure properly 2015-12-28 14:32:37 -05:00
super.c NFS: Remove the left global variable nfs_callback_tcpport 2015-10-21 15:49:22 -05:00
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 VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
write.c NFS: Simplify nfs_request_add_commit_list() arguments 2016-01-21 15:54:04 -05:00