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kernel_samsung_a53x/fs/nfsd
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NeilBrown d69c68e4b0 NFSD: simplify locking for network notifier. 
[ Upstream commit d057cfec4940ce6eeffa22b4a71dec203b06cd55 ]

nfsd currently maintains an open-coded read/write semaphore (refcount
and wait queue) for each network namespace to ensure the nfs service
isn't shut down while the notifier is running.

This is excessive.  As there is unlikely to be contention between
notifiers and they run without sleeping, a single spinlock is sufficient
to avoid problems.

Signed-off-by: NeilBrown <neilb@suse.de>
[ cel: ensure nfsd_notifier_lock is static ]
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-11-19 12:27:50 +01:00
..
acl.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
blocklayoutxdr.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
blocklayoutxdr.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
cache.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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: report per-export stats 2024-11-19 12:27:31 +01:00
fault_inject.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
filecache.c fsnotify: Protect fsnotify_handle_inode_event from no-inode events 2024-11-19 12:27:46 +01:00
filecache.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
flexfilelayout.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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 NFSv4.2: Remove ifdef CONFIG_NFSD from NFSv4.2 client SSC code. 2024-11-19 12:27:37 +01:00
lockd.c Keep read and write fds with each nlm_file 2024-11-19 12:27:44 +01:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
netns.h NFSD: simplify locking for network notifier. 2024-11-19 12:27:50 +01:00
nfs2acl.c SUNRPC: Change return value type of .pc_encode 2024-11-19 12:27:48 +01:00
nfs3acl.c SUNRPC: Change return value type of .pc_encode 2024-11-19 12:27:48 +01:00
nfs3proc.c NFSD: Fix READDIR buffer overflow 2024-11-19 12:27:49 +01:00
nfs3xdr.c SUNRPC: Change return value type of .pc_encode 2024-11-19 12:27:48 +01:00
nfs4acl.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4callback.c nfsd: rpc_peeraddr2str needs rcu lock 2024-11-19 12:27:39 +01:00
nfs4idmap.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4layouts.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4proc.c NFSD: Fix sparse warning 2024-11-19 12:27:50 +01:00
nfs4recover.c nfsd: Log client tracking type log message as info instead of warning 2024-11-19 12:27:36 +01:00
nfs4state.c NFSD: Initialize pointer ni with NULL and not plain integer 0 2024-11-19 12:27:48 +01:00
nfs4xdr.c NFSD: Fix exposure in nfsd4_decode_bitmap() 2024-11-19 12:27:49 +01:00
nfscache.c NFSD: Optimize DRC bucket pruning 2024-11-19 12:27:47 +01:00
nfsctl.c NFSD: simplify locking for network notifier. 2024-11-19 12:27:50 +01:00
nfsd.h SUNRPC/NFSD: clean up get/put functions. 2024-11-19 12:27:50 +01:00
nfsfh.c NFSD: Update the GETATTR3res encoder to use struct xdr_stream 2024-11-19 12:27:33 +01:00
nfsfh.h NFSD: Constify @fh argument of knfsd_fh_hash() 2024-11-19 12:27:38 +01:00
nfsproc.c NFSD: Fix READDIR buffer overflow 2024-11-19 12:27:49 +01:00
nfssvc.c NFSD: simplify locking for network notifier. 2024-11-19 12:27:50 +01:00
nfsxdr.c SUNRPC: Change return value type of .pc_encode 2024-11-19 12:27:48 +01:00
pnfs.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
state.h nfsd: track filehandle aliasing in nfs4_files 2024-11-19 12:27:37 +01:00
stats.c nfsd: make nfsd_stats.th_cnt atomic_t 2024-11-19 12:27:50 +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: Prevent a possible oops in the nfs_dirent() tracepoint 2024-11-19 12:27:41 +01:00
vfs.c nfsd4: remove obselete comment 2024-11-19 12:27:48 +01:00
vfs.h NFSD: Update the NFSv3 ACCESS3res encoder to use struct xdr_stream 2024-11-19 12:27:33 +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 SUNRPC: Change return value type of .pc_encode 2024-11-19 12:27:48 +01:00
xdr4cb.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00