kernel_samsung_a53x/fs/nfsd
Jeff Layton 7566172f2f nfsd: don't free files unconditionally in __nfsd_file_cache_purge
[ Upstream commit 4bdbba54e9b1c769da8ded9abd209d765715e1d6 ]

nfsd_file_cache_purge is called when the server is shutting down, in
which case, tearing things down is generally fine, but it also gets
called when the exports cache is flushed.

Instead of walking the cache and freeing everything unconditionally,
handle it the same as when we have a notification of conflicting access.

Fixes: ac3a2585f018 ("nfsd: rework refcounting in filecache")
Reported-by: Ruben Vestergaard <rubenv@drcmr.dk>
Reported-by: Torkil Svensgaard <torkil@drcmr.dk>
Reported-by: Shachar Kagan <skagan@nvidia.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Tested-by: Shachar Kagan <skagan@nvidia.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-11-19 12:28:30 +01:00
..
acl.h NFSD: add posix ACLs to struct nfsd_attrs 2024-11-19 12:28:04 +01:00
auth.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
auth.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
blocklayout.c nfsd: move nfserrno() to vfs.c 2024-11-19 12:28:26 +01:00
blocklayoutxdr.c nfsd: move nfserrno() to vfs.c 2024-11-19 12:28:26 +01:00
blocklayoutxdr.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
cache.h nfsd: use DEFINE_SHOW_ATTRIBUTE to define nfsd_reply_cache_stats_fops 2024-11-19 12:28:24 +01:00
current_stateid.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
export.c nfsd: report per-export stats 2024-11-19 12:27:31 +01:00
export.h nfsd: move nfserrno() to vfs.c 2024-11-19 12:28:26 +01:00
fault_inject.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
filecache.c nfsd: don't free files unconditionally in __nfsd_file_cache_purge 2024-11-19 12:28:30 +01:00
filecache.h nfsd: fix handling of cached open files in nfsd4_open codepath 2024-11-19 12:28:29 +01:00
flexfilelayout.c nfsd: move nfserrno() to vfs.c 2024-11-19 12:28:26 +01:00
flexfilelayoutxdr.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
flexfilelayoutxdr.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
idmap.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Kconfig nfsd: allow disabling NFSv2 at compile time 2024-11-19 12:28:26 +01:00
lockd.c Keep read and write fds with each nlm_file 2024-11-19 12:27:44 +01:00
Makefile nfsd: allow disabling NFSv2 at compile time 2024-11-19 12:28:26 +01:00
netns.h NFSD: replace delayed_work with work_struct for nfsd_client_shrinker 2024-11-19 12:28:30 +01:00
nfs2acl.c NFSD: Finish converting the NFSv2 GETACL result encoder 2024-11-19 12:28:26 +01:00
nfs3acl.c NFSD: Finish converting the NFSv3 GETACL result encoder 2024-11-19 12:28:26 +01:00
nfs3proc.c NFSD: Add an NFSD_FILE_GC flag to enable nfsd_file garbage collection 2024-11-19 12:28:26 +01:00
nfs3xdr.c NFSD: Clean up WRITE arg decoders 2024-11-19 12:28:23 +01:00
nfs4acl.c NFSD: add posix ACLs to struct nfsd_attrs 2024-11-19 12:28:04 +01:00
nfs4callback.c NFSD: add support for sending CB_RECALL_ANY 2024-11-19 12:28:29 +01:00
nfs4idmap.c nfsd: move nfserrno() to vfs.c 2024-11-19 12:28:26 +01:00
nfs4layouts.c NFSD: Add tracepoints to report NFSv4 callback completions 2024-11-19 12:28:22 +01:00
nfs4proc.c NFSD: fix use-after-free in nfsd4_ssc_setup_dul() 2024-11-19 12:28:29 +01:00
nfs4recover.c nfsd: Propagate some error code returned by memdup_user() 2024-11-19 12:28:21 +01:00
nfs4state.c NFSD: replace delayed_work with work_struct for nfsd_client_shrinker 2024-11-19 12:28:30 +01:00
nfs4xdr.c Revert "SUNRPC: Use RMW bitops in single-threaded hot paths" 2024-11-19 12:28:29 +01:00
nfscache.c nfsd: use DEFINE_SHOW_ATTRIBUTE to define nfsd_reply_cache_stats_fops 2024-11-19 12:28:24 +01:00
nfsctl.c NFSD: register/unregister of nfsd-client shrinker at nfsd startup/shutdown time 2024-11-19 12:28:29 +01:00
nfsd.h NFSD: register/unregister of nfsd-client shrinker at nfsd startup/shutdown time 2024-11-19 12:28:29 +01:00
nfsfh.c NFSD: Remove CONFIG_NFSD_V3 2024-11-19 12:27:54 +01:00
nfsfh.h NFSD: Use const pointers as parameters to fh_ helpers 2024-11-19 12:28:27 +01:00
nfsproc.c NFSD: Use set_bit(RQ_DROPME) 2024-11-19 12:28:29 +01:00
nfssvc.c NFSD: Use only RQ_DROPME to signal the need to drop a reply 2024-11-19 12:28:29 +01:00
nfsxdr.c NFSD: Clean up WRITE arg decoders 2024-11-19 12:28:23 +01:00
pnfs.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
state.h NFSD: add delegation reaper to react to low memory condition 2024-11-19 12:28:29 +01:00
stats.c nfsd: use DEFINE_PROC_SHOW_ATTRIBUTE to define nfsd_proc_ops 2024-11-19 12:28:24 +01:00
stats.h nfsd: make nfsd_stats.th_cnt atomic_t 2024-11-19 12:27:50 +01:00
trace.c NFSD: Add SPDX header for fs/nfsd/trace.c 2024-11-19 12:27:20 +01:00
trace.h nfsd: fix handling of cached open files in nfsd4_open codepath 2024-11-19 12:28:29 +01:00
vfs.c NFSD: Add an NFSD_FILE_GC flag to enable nfsd_file garbage collection 2024-11-19 12:28:26 +01:00
vfs.h NFSD: Pass the target nfsd_file to nfsd_commit() 2024-11-19 12:28:26 +01:00
xdr.h SUNRPC: Change return value type of .pc_encode 2024-11-19 12:27:48 +01:00
xdr3.h SUNRPC: Change return value type of .pc_encode 2024-11-19 12:27:48 +01:00
xdr4.h NFSD: add support for sending CB_RECALL_ANY 2024-11-19 12:28:29 +01:00
xdr4cb.h NFSD: add support for sending CB_RECALL_ANY 2024-11-19 12:28:29 +01:00