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fd9a8d7160
linux_dsm_epyc7002/fs/nfs
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Trond Myklebust fd9a8d7160 NFSv4.1: Fix bulk recall and destroy of layouts 
The current code in pnfs_destroy_all_layouts() assumes that removing
the layout from the server->layouts list is sufficient to make it
invisible to other processes. This ignores the fact that most
users access the layout through the nfs_inode->layout...
There is further breakage due to lack of reference counting of the
layouts, meaning that the whole thing Oopses at the drop of a hat.

The code in initiate_bulk_draining() is almost correct, and can be
used as a model for pnfs_destroy_all_layouts(), so move that
code to pnfs.c, and refactor the code to allow us to choose between
a single filesystem bulk recall, and a recall of all layouts.
Also note that initiate_bulk_draining() currently calls iput() while
holding locks. Fix that too.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org
2013-02-14 13:22:50 -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 NFSv4.1: Fix bulk recall and destroy of layouts 2013-02-14 13:22:50 -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: Ensure delegation recall and byte range lock removal don't conflict 2013-02-11 15:33:13 -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: Ensure delegation recall and byte range lock removal don't conflict 2013-02-11 15:33:13 -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: Fix an ABBA locking issue with session and state serialisation 2013-02-11 19:04:25 -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: Ensure delegation recall and byte range lock removal don't conflict 2013-02-11 15:33:13 -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 NFSv4.1: Fix bulk recall and destroy of layouts 2013-02-14 13:22:50 -05:00
pnfs.h NFSv4.1: Fix bulk recall and destroy of layouts 2013-02-14 13:22:50 -05:00
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