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Trond Myklebust d25be546a8 NFSv4.1: Don't lose locks when a server reboots during delegation return 
If the server reboots while we are converting a delegation into
OPEN/LOCK stateids as part of a delegation return, the current code
will simply exit with an error. This causes us to lose both
delegation state and locking state (i.e. locking atomicity).

Deal with this by exposing the delegation stateid during delegation
return, so that we can recover the delegation, and then resume
open/lock recovery.

Note that not having to hold the nfs_inode->rwsem across the
calls to nfs_delegation_claim_opens() also fixes a deadlock against
the NFSv4.1 reboot recovery code.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2013-02-11 15:33:12 -05:00
..
blocklayout
NFSv4.1: Move slot table and session struct definitions to nfs4session.h
2012-12-06 00:30:46 +01:00
objlayout
NFSv4.1: Remove unused function last_byte_offset
2012-11-04 14:43:38 -05:00
cache_lib.c
NFSv4: Get rid of unnecessary BUG_ON()s
2012-11-04 14:43:39 -05:00
cache_lib.h
NFS: DNS resolver PipeFS notifier introduced
2012-01-31 18:20:26 -05:00
callback_proc.c
nfs: avoid dereferencing null pointer in initiate_bulk_draining
2013-01-05 14:26:51 -05:00
callback_xdr.c
NFSv4.1: Move slot table and session struct definitions to nfs4session.h
2012-12-06 00:30:46 +01:00
callback.c
NFSv4: Fix the return value for nfs_callback_start_svc
2012-10-16 13:14:42 -04:00
callback.h
NFSv4.1: Clean up session draining
2012-12-06 00:30:44 +01:00
client.c
NFS: avoid NULL dereference in nfs_destroy_server
2012-12-12 23:55:56 -05:00
delegation.c
NFSv4.1: Don't lose locks when a server reboots during delegation return
2013-02-11 15:33:12 -05:00
delegation.h
NFSv4.1: Don't lose locks when a server reboots during delegation return
2013-02-11 15:33:12 -05:00
dir.c
NFS: Fix access to suid/sgid executables
2013-01-03 17:06:27 -05:00
direct.c
nfs: fix page dirtying in NFS DIO read codepath
2012-12-12 12:56:19 -05:00
dns_resolve.c
NFS: fix bug in legacy DNS resolver.
2012-10-31 16:25:59 -04:00
dns_resolve.h
NFS: DNS resolver cache per network namespace context introduced
2012-01-31 18:20:26 -05:00
file.c
lseek: the "whence" argument is called "whence"
2012-12-17 17:15:12 -08:00
fscache-index.c
NFS: Use the inode->i_version to cache NFSv4 change attribute information
2011-10-18 09:14:34 -07:00
fscache.c
NFS4: Open files for fscaching
2012-12-20 22:19:42 +00:00
fscache.h
NFS: Provide stub nfs_fscache_wait_on_invalidate() for when CONFIG_NFS_FSCACHE=n
2012-12-21 08:06:48 -08:00
getroot.c
nfs: include internal.h in getroot.h
2012-10-02 08:17:04 -07:00
idmap.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2012-12-16 15:40:50 -08:00
inode.c
Revert "NFS: add nfs_sb_deactive_async to avoid deadlock"
2013-02-01 10:13:48 -05:00
internal.h
Revert "NFS: add nfs_sb_deactive_async to avoid deadlock"
2013-02-01 10:13:48 -05:00
iostat.h
NFS: Squelch compiler warning in nfs_add_server_stats()
2010-05-14 15:09:31 -04:00
Kconfig
NFSv4.1: Remove the dependency on CONFIG_EXPERIMENTAL
2012-10-03 10:54:50 -07:00
Makefile
NFSv4.1: Cleanup move session slot management to fs/nfs/nfs4session.c
2012-12-06 00:30:45 +01:00
mount_clnt.c
NFS: Remove the BUG_ON() in the mount code
2012-11-04 14:43:39 -05:00
namespace.c
NFS: Don't silently fail setattr() requests on mountpoints
2013-01-30 17:41:04 -05:00
netns.h
nfs: include NFSv4 header in netns.h
2012-10-02 08:17:02 -07:00
nfs2super.c
NFS: Convert v2 into a module
2012-07-30 19:06:41 -04:00
nfs2xdr.c
NFS: Remove asserts from the NFS XDR code
2012-11-04 14:43:38 -05:00
nfs3acl.c
userns: Pass a userns parameter into posix_acl_to_xattr and posix_acl_from_xattr
2012-09-18 01:01:35 -07:00
nfs3client.c
NFS: Only initialize the ACL client in the v3 case
2012-07-30 19:05:54 -04:00
nfs3proc.c
SUNRPC handle EKEYEXPIRED in call_refreshresult
2012-12-12 15:36:02 -05:00
nfs3super.c
NFS: Convert v3 into a module
2012-07-30 19:06:46 -04:00
nfs3xdr.c
NFS: Remove asserts from the NFS XDR code
2012-11-04 14:43:38 -05:00
nfs4_fs.h
NFSv4: Allow the state manager to mark an open_owner as being recovered
2013-02-11 15:33:11 -05:00
nfs4client.c
NFSv4.1: Ensure that nfs41_walk_client_list() does start lease recovery
2013-01-27 15:51:41 -05:00
nfs4file.c
NFS4: Open files for fscaching
2012-12-20 22:19:42 +00:00
nfs4filelayout.c
SUNRPC handle EKEYEXPIRED in call_refreshresult
2012-12-12 15:36:02 -05:00
nfs4filelayout.h
NFSv4.1: Kill nfs4_ds_disconnect()
2012-10-15 10:49:42 -04:00
nfs4filelayoutdev.c
NFSv4.1: Cleanup move session slot management to fs/nfs/nfs4session.c
2012-12-06 00:30:45 +01:00
nfs4getroot.c
NFSv4: fs/nfs/nfs4getroot.c needs to include "internal.h"
2012-10-16 12:37:59 -04:00
nfs4namespace.c
nfs: Show original device name verbatim in /proc/*/mount{s,info}
2012-10-31 16:26:26 -04:00
nfs4proc.c
NFSv4.1: Don't lose locks when a server reboots during delegation return
2013-02-11 15:33:12 -05:00
nfs4renewd.c
workqueue: use mod_delayed_work() instead of cancel + queue
2012-08-13 16:27:37 -07:00
nfs4session.c
NFSv4.1: Deal effectively with interrupted RPC calls.
2012-12-15 15:39:59 -05:00
nfs4session.h
NFSv4.1: Deal effectively with interrupted RPC calls.
2012-12-15 15:39:59 -05:00
nfs4state.c
NFSv4: Allow the state manager to mark an open_owner as being recovered
2013-02-11 15:33:11 -05:00
nfs4super.c
NFS: Ensure that we always drop inodes that have been marked as stale
2012-12-14 14:36:36 -05:00
nfs4sysctl.c
nfs: include nfs4_fh.h in nfs4sysctl.c
2012-10-02 08:17:03 -07:00
nfs4xdr.c
Merge branch 'bugfixes' into nfs-for-next
2012-12-11 09:16:26 -05:00
nfs.h
NFS: Convert v4 into a module
2012-07-30 19:06:52 -04:00
nfsroot.c
SUNRPC/NFS: Add Kbuild dependencies for NFS_DEBUG/RPC_DEBUG
2012-03-20 13:08:26 -04:00
pagelist.c
NFS: Clean up helper function nfs4_select_rw_stateid()
2012-09-28 16:03:04 -04:00
pnfs_dev.c
NFSv4.1: pNFS data servers may be temporarily offline
2012-09-28 16:03:09 -04:00
pnfs.c
pnfs: Increase the refcount when LAYOUTGET fails the first time
2013-01-04 10:50:42 -05:00
pnfs.h
NFSv4.1: Do not call pnfs_return_layout() from an rpciod context
2012-10-15 10:49:43 -04:00
proc.c
SUNRPC handle EKEYEXPIRED in call_refreshresult
2012-12-12 15:36:02 -05:00
read.c
NFS: Ensure that we free the rpc_task after read and write cleanups are done
2013-01-04 12:59:10 -05:00
super.c
Revert "NFS: add nfs_sb_deactive_async to avoid deadlock"
2013-02-01 10:13:48 -05:00
symlink.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
sysctl.c
NFS: Initialize v4 sysctls from nfs_init_v4()
2012-07-17 13:33:18 -04:00
unlink.c
Revert "NFS: add nfs_sb_deactive_async to avoid deadlock"
2013-02-01 10:13:48 -05:00
write.c
NFS: Ensure that we free the rpc_task after read and write cleanups are done
2013-01-04 12:59:10 -05:00