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d25be546a8
linux_dsm_epyc7002/fs/nfs
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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