Trond Myklebust ec23a86e06 pNFS: Avoid a live lock condition in pnfs_update_layout() ... [ Upstream commit 880265c77a ] If we're about to send the first layoutget for an empty layout, we want to make sure that we drain out the existing pending layoutget calls first. The reason is that these layouts may have been already implicitly returned to the server by a recall to which the client gave a NFS4ERR_NOMATCHING_LAYOUT response. The problem is that wait_var_event_killable() could in principle see the plh_outstanding count go back to '1' when the first process to wake up starts sending a new layoutget. If it fails to get a layout, then this loop can continue ad infinitum... Fixes: 0b77f97a7e ("NFSv4/pnfs: Fix layoutget behaviour after invalidation") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		2022-06-22 14:21:59 +02:00
..
blocklayout	block: Add bio_max_segs	2021-02-26 15:49:51 -07:00
filelayout	NFS: fix an incorrect limit in filelayout_decode_layout()	2021-05-20 12:17:08 -04:00
flexfilelayout	pnfs/flexfiles: Fix misplaced barrier in nfs4_ff_layout_prepare_ds	2021-11-18 19:17:00 +01:00
Kconfig	nfs: fix PNFS_FLEXFILE_LAYOUT Kconfig default	2021-03-08 11:47:47 -05:00
Makefile	NFSv4.2: add client side xattr caching.	2020-07-13 17:52:46 -04:00
cache_lib.c	NFS client updates for Linux 4.15	2017-11-17 14:18:00 -08:00
cache_lib.h	NFS client updates for Linux 4.15	2017-11-17 14:18:00 -08:00
callback.c	SUNRPC: Set rq_auth_stat in the pg_authenticate() callout	2021-08-10 14:18:35 -04:00
callback.h	NFSv4.1: Fix uninitialised variable in devicenotify	2022-02-16 12:56:08 +01:00
callback_proc.c	pNFS: Avoid a live lock condition in pnfs_update_layout()	2022-06-22 14:21:59 +02:00
callback_xdr.c	NFS: remove unneeded check in decode_devicenotify_args()	2022-04-08 14:23:48 +02:00
client.c	NFSv4.1 query for fs_location attr on a new file system	2022-02-16 12:56:09 +01:00
delegation.c	NFSv4: Add lease breakpoints in case of a delegation recall or return	2021-06-13 19:36:28 -04:00
delegation.h	NFSv4: Fix delegation return in cases where we have to retry	2021-06-13 19:36:27 -04:00
dir.c	NFSv4: fix open failure with O_ACCMODE flag	2022-04-13 20:59:15 +02:00
direct.c	NFS: swap-out must always use STABLE writes.	2022-04-13 20:59:13 +02:00
dns_resolve.c	NFS: remove duplicate headers	2020-05-27 10:10:12 -04:00
dns_resolve.h	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
export.c	nfs: don't atempt blocking locks on nfs reexports	2021-08-26 15:32:10 -04:00
file.c	NFS: Do not report flush errors in nfs_write_end()	2022-06-09 10:23:15 +02:00
fs_context.c	nfs: fix broken handling of the softreval mount option	2022-05-18 10:26:49 +02:00
fscache-index.c	nfs: fscache: use timespec64 in inode auxdata	2020-01-15 10:54:30 -05:00
fscache.c	NFS: Fix fscache read from NFS after cache error	2021-07-08 14:03:26 -04:00
fscache.h	nfs: fscache: use timespec64 in inode auxdata	2020-01-15 10:54:30 -05:00
getroot.c	NFS: Create a new nfs_alloc_fattr_with_label() function	2022-06-09 10:23:17 +02:00
inode.c	NFS: Convert GFP_NOFS to GFP_KERNEL	2022-06-09 10:23:17 +02:00
internal.h	NFS: Create a new nfs_alloc_fattr_with_label() function	2022-06-09 10:23:17 +02:00
io.c	NFS: Fix up incorrect documentation	2021-04-05 09:04:20 -04:00
iostat.h	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
mount_clnt.c	nfs: hornor timeo and retrans option when mounting NFSv3	2021-04-05 09:04:21 -04:00
namespace.c	nfs: Remove trailing semicolon in macros	2021-05-27 09:19:33 -04:00
netns.h	NFS: Add sysfs support for per-container identifier	2019-07-06 14:54:49 -04:00
nfs.h	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
nfs2super.c	treewide: Add SPDX license identifier for more missed files	2019-05-21 10:50:45 +02:00
nfs2xdr.c	NFS: Return valid errors from nfs2/3_decode_dirent()	2022-04-08 14:23:46 +02:00
nfs3_fs.h	vfs: add rcu argument to ->get_acl() callback	2021-08-18 22:08:24 +02:00
nfs3acl.c	vfs: add rcu argument to ->get_acl() callback	2021-08-18 22:08:24 +02:00
nfs3client.c	NFS: Additional refactoring for fs_context conversion	2020-01-15 10:15:17 -05:00
nfs3proc.c	NFSv3: Delete duplicate judgement in nfs3_async_handle_jukebox	2021-08-27 16:36:21 -04:00
nfs3super.c	treewide: Add SPDX license identifier for more missed files	2019-05-21 10:50:45 +02:00
nfs3xdr.c	NFS: Return valid errors from nfs2/3_decode_dirent()	2022-04-08 14:23:46 +02:00
nfs4_fs.h	NFSv4 handle port presence in fs_location server string	2022-02-16 12:56:10 +01:00
nfs4client.c	nfs: nfs4clinet: check the return value of kstrdup()	2022-02-16 12:56:08 +01:00
nfs4file.c	NFSv4: fix open failure with O_ACCMODE flag	2022-04-13 20:59:15 +02:00
nfs4getroot.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
nfs4idmap.c	Fix user namespace leak	2021-11-18 19:17:02 +01:00
nfs4idmap.h	…
nfs4namespace.c	NFSv4 handle port presence in fs_location server string	2022-02-16 12:56:10 +01:00
nfs4proc.c	NFSv4: Don't hold the layoutget locks across multiple RPC calls	2022-06-14 18:36:15 +02:00
nfs4renewd.c	treewide: remove editor modelines and cruft	2021-05-07 00:26:34 -07:00
nfs4session.c	treewide: Add SPDX license identifier for missed files	2019-05-21 10:50:45 +02:00
nfs4session.h	NFSv4.1: use BITS_PER_LONG macro in nfs4session.h	2020-12-14 06:51:07 -05:00
nfs4state.c	NFS: Convert GFP_NOFS to GFP_KERNEL	2022-06-09 10:23:17 +02:00
nfs4super.c	NFS: Adjust fs_context error logging	2021-01-10 13:32:39 -05:00
nfs4sysctl.c	nfs: Do not convert nfs_idmap_cache_timeout to jiffies	2018-01-18 15:10:47 -05:00
nfs4trace.c	pNFS/flexfiles: Add tracing for layout errors	2020-01-15 10:54:33 -05:00
nfs4trace.h	treewide: Add missing semicolons to __assign_str uses	2021-06-30 09:19:14 -04:00
nfs4xdr.c	NFSv4 remove zero number of fs_locations entries error check	2022-02-16 12:56:09 +01:00
nfs42.h	NFSv4.2: add the extended attribute proc functions.	2020-07-13 17:52:45 -04:00
nfs42proc.c	NFSv4.2: fix reference count leaks in _nfs42_proc_copy_notify()	2022-04-13 20:59:11 +02:00
nfs42xattr.c	nfs: Fix a typo in the file nfs42xattr.c	2021-04-05 09:04:20 -04:00
nfs42xdr.c	NFSv42: Don't fail clone() unless the OP_CLONE operation failed	2021-12-01 09:04:47 +01:00
nfsroot.c	nfsroot: Default mount option should ask for built-in NFS version	2020-11-02 10:29:03 -05:00
nfstrace.c	NFSv4: Catch and trace server filehandle encoding errors	2021-04-14 09:36:29 -04:00
nfstrace.h	Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2021-07-03 11:41:14 -07:00
pagelist.c	NFSv4.1 mark qualified async operations as MOVEABLE tasks	2022-06-09 10:23:17 +02:00
pnfs.c	pNFS: Avoid a live lock condition in pnfs_update_layout()	2022-06-22 14:21:59 +02:00
pnfs.h	pNFS: Avoid a live lock condition in pnfs_update_layout()	2022-06-22 14:21:59 +02:00
pnfs_dev.c	NFSv4/pnfs: Add tracing for the deviceid cache	2020-12-16 17:25:24 -05:00
pnfs_nfs.c	NFS: nfsiod should not block forever in mempool_alloc()	2022-04-13 20:59:13 +02:00
proc.c	NFS: NFSv2/v3 clients should never be setting NFS_CAP_XATTR	2022-04-08 14:22:52 +02:00
read.c	NFS: Always provide aligned buffers to the RPC read layers	2021-08-30 13:21:38 -04:00
super.c	NFSv4 introduce max_connect mount options	2021-08-27 16:37:17 -04:00
symlink.c	nfs: pass the correct prototype to read_cache_page	2019-05-09 16:26:57 -04:00
sysctl.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
sysfs.c	NFSv4: Fix up RCU annotations for struct nfs_netns_client	2020-10-15 13:31:08 -04:00
sysfs.h	NFSv4: Fix up RCU annotations for struct nfs_netns_client	2020-10-15 13:31:08 -04:00
unlink.c	NFSv4.1 mark qualified async operations as MOVEABLE tasks	2022-06-09 10:23:17 +02:00
write.c	NFSv4.1 mark qualified async operations as MOVEABLE tasks	2022-06-09 10:23:17 +02:00