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linux-6.1.y
linux-stable/fs/nfs
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Trond Myklebust 61f3036bc2 NFS/pnfs: Fix a live lock between recalled layouts and layoutget 
commit 62e2a47cea upstream.

When the server is recalling a layout, we should ignore the count of
outstanding layoutget calls, since the server is expected to return
either NFS4ERR_RECALLCONFLICT or NFS4ERR_RETURNCONFLICT for as long as
the recall is outstanding.
Currently, we may end up livelocking, causing the layout to eventually
be forcibly revoked.

Fixes: bf0291dd22 ("pNFS: Ensure LAYOUTGET and LAYOUTRETURN are properly serialised")
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-12-27 13:53:00 +01:00
..
blocklayout pNFS: Fix the pnfs block driver's calculation of layoutget size 2024-01-25 15:27:23 -08:00
filelayout pNFS/filelayout: fixup pNfs allocation modes 2024-06-12 11:03:51 +02:00
flexfilelayout nfs: fix panic when nfs4_ff_layout_prepare_ds() fails 2024-03-26 18:20:57 -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_proc.c pNFS: Avoid a live lock condition in pnfs_update_layout() 2022-06-06 11:53:55 -04:00
callback_xdr.c SUNRPC: Fix integer overflow in decode_rc_list() 2024-10-17 15:22:18 +02:00
callback.c nfsd: stop setting ->pg_stats for unused stats 2024-08-19 06:00:04 +02:00
callback.h NFSv4.1: Fix uninitialised variable in devicenotify 2022-01-06 14:00:20 -05:00
client.c NFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies() 2024-10-17 15:22:19 +02:00
delegation.c NFS: remove revoked delegation from server's delegation list 2024-11-08 16:26:43 +01:00
delegation.h NFSv4: Fix delegation return in cases where we have to retry 2021-06-13 19:36:27 -04:00
dir.c nfs: don't invalidate dentries on transient errors 2024-07-25 09:49:12 +02:00
direct.c nfs: drop the incorrect assertion in nfs_swap_rw() 2024-07-05 09:31:52 +02:00
dns_resolve.c NFS: Avoid memcpy() run-time warning for struct sockaddr overflows 2022-10-27 15:52:10 -04:00
dns_resolve.h NFS: Avoid memcpy() run-time warning for struct sockaddr overflows 2022-10-27 15:52:10 -04:00
export.c nfsd: allow reaping files still under writeback 2024-03-26 18:20:23 -04:00
file.c NFS Client Updates for Linux 6.1 2022-10-13 09:58:42 -07:00
fs_context.c nfs: keep server info for remounts 2024-06-12 11:03:50 +02:00
fscache.c mm, netfs, fscache: stop read optimisation when folio removed from pagecache 2024-01-10 17:10:31 +01:00
fscache.h nfs: Convert to release_folio 2022-05-09 23:12:33 -04:00
getroot.c NFS: Remove the nfs4_label argument from nfs_setsecurity 2021-11-05 14:54:40 -04:00
inode.c nfs: Fix KMSAN warning in decode_getfattr_attrs() 2024-11-14 13:15:16 +01:00
internal.h nfs: ignore SB_RDONLY when mounting nfs 2024-12-14 19:54:09 +01:00
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
Kconfig NFS: Replace readdir's use of xxhash() with hash_64() 2022-04-07 16:19:47 -04:00
Makefile nfs: Convert to new fscache volume/cookie API 2022-01-10 11:53:25 +00:00
mount_clnt.c NFS: Avoid memcpy() run-time warning for struct sockaddr overflows 2022-10-27 15:52:10 -04:00
namespace.c NFS: Fix an Oops in nfs_d_automount() 2022-12-31 13:32:18 +01:00
netns.h nfs: make the rpc_stat per net namespace 2024-05-17 11:55:54 +02:00
nfs2super.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
nfs2xdr.c NFS: Guard against READDIR loop when entry names exceed MAXNAMELEN 2023-09-13 09:42:49 +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: Avoid memcpy() run-time warning for struct sockaddr overflows 2022-10-27 15:52:10 -04:00
nfs3proc.c freezer,sched: Rewrite core freezer logic 2022-09-07 21:53:50 +02:00
nfs3super.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
nfs3xdr.c NFS: Guard against READDIR loop when entry names exceed MAXNAMELEN 2023-09-13 09:42:49 +02:00
nfs4_fs.h NFS: Avoid memcpy() run-time warning for struct sockaddr overflows 2022-10-27 15:52:10 -04:00
nfs4client.c NFSv4.1 another fix for EXCHGID4_FLAG_USE_PNFS_DS for DS server 2024-08-03 08:49:16 +02:00
nfs4file.c NFSv4.2 fix problems with __nfs42_ssc_open 2022-08-19 20:31:57 -04:00
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 nfs: remove unnecessary (void*) conversions. 2022-10-03 11:26:36 -04:00
nfs4idmap.h
nfs4namespace.c NFS: Avoid memcpy() run-time warning for struct sockaddr overflows 2022-10-27 15:52:10 -04:00
nfs4proc.c NFSv4.0: Fix a use-after-free problem in the asynchronous open() 2024-12-14 19:54:07 +01:00
nfs4renewd.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
nfs4session.c NFSv4: Sanity check the parameters in nfs41_update_target_slotid() 2021-11-07 09:23:14 -05:00
nfs4session.h NFSv4: Sanity check the parameters in nfs41_update_target_slotid() 2021-11-07 09:23:14 -05:00
nfs4state.c NFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies() 2024-10-17 15:22:19 +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 trace: Relocate event helper files 2024-03-06 14:45:17 +00:00
nfs4xdr.c NFSv4.2: Fix a memory stomp in decode_attr_security_label 2022-12-31 13:32:18 +01:00
nfs42.h NFSv4.2: fix listxattr maximum XDR buffer size 2024-03-26 18:20:56 -04:00
nfs42proc.c NFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies() 2024-10-17 15:22:19 +02:00
nfs42xattr.c NFSv4.2: fix wrong shrinker_id 2023-07-19 16:21:43 +02:00
nfs42xdr.c NFSv4.2: Rework scratch handling for READ_PLUS (again) 2023-09-13 09:43:05 +02:00
nfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfsroot.c NFS: Fix an off by one in root_nfs_cat() 2024-03-26 18:20:56 -04:00
nfstrace.c NFSv4: Catch and trace server filehandle encoding errors 2021-04-14 09:36:29 -04:00
nfstrace.h trace: Relocate event helper files 2024-03-06 14:45:17 +00:00
pagelist.c NFSv4.1 mark qualified async operations as MOVEABLE tasks 2022-05-31 17:09:30 -04:00
pnfs_dev.c NFSv4/pnfs: minor fix for cleanup path in nfs4_get_device_info 2023-09-19 12:27:58 +02:00
pnfs_nfs.c pNFS: Fix assignment of xprtdata.cred 2023-09-13 09:42:49 +02:00
pnfs.c NFS/pnfs: Fix a live lock between recalled layouts and layoutget 2024-12-27 13:53:00 +01:00
pnfs.h NFSv4/flexfiles: Cancel I/O if the layout is recalled or revoked 2022-10-06 09:52:09 -04:00
proc.c NFS: NFSv2/v3 clients should never be setting NFS_CAP_XATTR 2022-02-25 18:50:13 -05:00
read.c NFSv4.2: Rework scratch handling for READ_PLUS (again) 2023-09-13 09:43:05 +02:00
super.c NFSv3: only use NFS timeout for MOUNT when protocols are compatible 2024-11-14 13:15:10 +01:00
symlink.c nfs: propagate readlink errors in nfs_symlink_filler 2024-07-25 09:49:11 +02:00
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 NFS: rename nfs_client_kset to nfs_kset 2023-10-10 22:00:35 +02:00
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 2022-05-31 17:09:30 -04:00
write.c nfs: fix UAF in direct writes 2024-04-03 15:19:34 +02:00