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f385f7d244
linux/fs/nfsd
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Dai Ngo f385f7d244 NFSD: register/unregister of nfsd-client shrinker at nfsd startup/shutdown time 
Currently the nfsd-client shrinker is registered and unregistered at
the time the nfsd module is loaded and unloaded. The problem with this
is the shrinker is being registered before all of the relevant fields
in nfsd_net are initialized when nfsd is started. This can lead to an
oops when memory is low and the shrinker is called while nfsd is not
running.

This patch moves the  register/unregister of nfsd-client shrinker from
module load/unload time to nfsd startup/shutdown time.

Fixes: 44df6f439a ("NFSD: add delegation reaper to react to low memory condition")
Reported-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-01-11 21:32:05 -05:00
..
acl.h NFSD: add posix ACLs to struct nfsd_attrs 2022-08-04 10:28:03 -04:00
auth.c nfsd: auth: Fix gid sorting when rootsquash enabled 2018-01-22 20:13:07 -08:00
auth.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
blocklayout.c nfsd: move nfserrno() to vfs.c 2022-11-28 12:54:44 -05:00
blocklayoutxdr.c nfsd: move nfserrno() to vfs.c 2022-11-28 12:54:44 -05:00
blocklayoutxdr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cache.h nfsd: use DEFINE_SHOW_ATTRIBUTE to define nfsd_reply_cache_stats_fops 2022-09-26 14:02:50 -04:00
current_stateid.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 fs: add is_idmapped_mnt() helper 2021-12-03 18:44:06 +01:00
export.h nfsd: move nfserrno() to vfs.c 2022-11-28 12:54:44 -05:00
fault_inject.c nfsd: no need to check return value of debugfs_create functions 2019-07-03 16:57:17 +02:00
filecache.c nfsd: fix handling of cached open files in nfsd4_open codepath 2023-01-06 13:17:06 -05:00
filecache.h nfsd: fix handling of cached open files in nfsd4_open codepath 2023-01-06 13:17:06 -05:00
flexfilelayout.c nfsd: move nfserrno() to vfs.c 2022-11-28 12:54:44 -05:00
flexfilelayoutxdr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
flexfilelayoutxdr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
idmap.h
Kconfig nfsd: allow disabling NFSv2 at compile time 2022-11-28 12:54:45 -05:00
lockd.c NFSD: simplify struct nfsfh 2021-10-02 15:51:10 -04:00
Makefile nfsd: allow disabling NFSv2 at compile time 2022-11-28 12:54:45 -05:00
netns.h NFSD: add shrinker to reap courtesy clients on low memory condition 2022-09-26 14:02:41 -04:00
nfs2acl.c NFSD: Finish converting the NFSv2 GETACL result encoder 2022-11-28 12:54:44 -05:00
nfs3acl.c NFSD: Finish converting the NFSv3 GETACL result encoder 2022-11-28 12:54:44 -05:00
nfs3proc.c NFSD: Add an NFSD_FILE_GC flag to enable nfsd_file garbage collection 2022-11-28 12:54:45 -05:00
nfs3xdr.c NFSD: Clean up WRITE arg decoders 2022-09-26 14:02:47 -04:00
nfs4acl.c NFSD: add posix ACLs to struct nfsd_attrs 2022-08-04 10:28:03 -04:00
nfs4callback.c nfsd: under NFSv4.1, fix double svc_xprt_put on rpc_create failure 2022-12-12 09:18:44 -05:00
nfs4idmap.c nfsd: move nfserrno() to vfs.c 2022-11-28 12:54:44 -05:00
nfs4layouts.c NFSD: Add tracepoints to report NFSv4 callback completions 2022-09-26 14:02:32 -04:00
nfs4proc.c NFSD: fix use-after-free in nfsd4_ssc_setup_dul() 2023-01-11 21:29:11 -05:00
nfs4recover.c struct file-related stuff 2022-10-06 17:13:18 -07:00
nfs4state.c NFSD: register/unregister of nfsd-client shrinker at nfsd startup/shutdown time 2023-01-11 21:32:05 -05:00
nfs4xdr.c Revert "SUNRPC: Use RMW bitops in single-threaded hot paths" 2023-01-06 13:17:12 -05:00
nfscache.c nfsd: use DEFINE_SHOW_ATTRIBUTE to define nfsd_reply_cache_stats_fops 2022-09-26 14:02:50 -04:00
nfsctl.c NFSD: register/unregister of nfsd-client shrinker at nfsd startup/shutdown time 2023-01-11 21:32:05 -05:00
nfsd.h NFSD: register/unregister of nfsd-client shrinker at nfsd startup/shutdown time 2023-01-11 21:32:05 -05:00
nfsfh.c nfsd: ensure we always call fh_verify_error tracepoint 2022-10-13 12:12:37 -04:00
nfsfh.h NFSD: Use const pointers as parameters to fh_ helpers 2022-11-28 12:54:46 -05:00
nfsproc.c NFSD: Use set_bit(RQ_DROPME) 2023-01-07 10:16:33 -05:00
nfssvc.c nfsd: shut down the NFSv4 state objects before the filecache 2022-12-22 10:12:56 -05:00
nfsxdr.c NFSD: Clean up WRITE arg decoders 2022-09-26 14:02:47 -04:00
pnfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
state.h NFSD: add delegation reaper to react to low memory condition 2022-12-10 11:01:12 -05:00
stats.c nfsd: use DEFINE_PROC_SHOW_ATTRIBUTE to define nfsd_proc_ops 2022-09-26 14:02:49 -04:00
stats.h nfsd: make nfsd_stats.th_cnt atomic_t 2021-12-13 13:42:51 -05:00
trace.c NFSD: Add SPDX header for fs/nfsd/trace.c 2020-11-30 13:00:24 -05:00
trace.h nfsd: fix handling of cached open files in nfsd4_open codepath 2023-01-06 13:17:06 -05:00
vfs.c NFSD: Add an NFSD_FILE_GC flag to enable nfsd_file garbage collection 2022-11-28 12:54:45 -05:00
vfs.h NFSD: Pass the target nfsd_file to nfsd_commit() 2022-11-28 12:54:45 -05:00
xdr3.h SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00
xdr4.h NFSD: add support for sending CB_RECALL_ANY 2022-12-10 11:01:12 -05:00
xdr4cb.h NFSD: add support for sending CB_RECALL_ANY 2022-12-10 11:01:12 -05:00
xdr.h NFSD: prevent underflow in nfssvc_decode_writeargs() 2022-03-15 09:35:56 -04:00