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Trond Myklebust a285180873 NFSv4: Don't trigger uneccessary scans for return-on-close delegations 
[ Upstream commit 47acca884f714f41d95dc654f802845544554784 ]

The amount of looping through the list of delegations is occasionally
leading to soft lockups. Avoid at least some loops by not requiring the
NFSv4 state manager to scan for delegations that are marked for
return-on-close. Instead, either mark them for immediate return (if
possible) or else leave it up to nfs4_inode_return_delegation_on_close()
to return them once the file is closed by the application.

Fixes: b757144fd7 ("NFSv4: Be less aggressive about returning delegations for open files")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-04-10 14:33:36 +02:00
..
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 pnfs/flexfiles: retry getting layout segment for reads 2025-02-21 13:49:50 +01:00
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 NFSv4: Don't trigger uneccessary scans for return-on-close delegations 2025-04-10 14:33:36 +02:00
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 NFS: Move nfs_idmap.h into fs/nfs/ 2015-04-23 15:16:14 -04:00
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 NFSv4.2: mark OFFLOAD_CANCEL MOVEABLE 2025-02-21 13:49:20 +01:00
nfs42xattr.c NFSv4.2: fix wrong shrinker_id 2023-07-19 16:21:43 +02:00
nfs42xdr.c NFSv4.2: fix COPY_NOTIFY xdr buf size calculation 2025-02-21 13:49:20 +01:00
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