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d057cfec49
linux/fs/nfsd
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NeilBrown d057cfec49 NFSD: simplify locking for network notifier. 
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>
2021-12-13 13:42:54 -05:00
..
acl.h
auth.c
auth.h
blocklayout.c nfsd/blocklayout: use ->get_unique_id instead of sending SCSI commands 2021-10-22 08:33:57 -06:00
blocklayoutxdr.c
blocklayoutxdr.h
cache.h nfsd4: make drc_slab global, not per-net 2020-06-01 17:44:45 -04:00
current_stateid.h
export.c idmapped-mounts-v5.12 2021-02-23 13:39:45 -08:00
export.h nfsd: report per-export stats 2021-01-25 09:36:28 -05:00
fault_inject.c
filecache.c fsnotify: Protect fsnotify_handle_inode_event from no-inode events 2021-10-27 12:34:12 +02:00
filecache.h nfsd: convert file cache to use over/underflow safe refcount 2020-02-06 11:22:55 -05:00
flexfilelayout.c NFSD: simplify struct nfsfh 2021-10-02 15:51:10 -04:00
flexfilelayoutxdr.c
flexfilelayoutxdr.h
idmap.h
Kconfig nfsd/blocklayout: use ->get_unique_id instead of sending SCSI commands 2021-10-22 08:33:57 -06:00
lockd.c NFSD: simplify struct nfsfh 2021-10-02 15:51:10 -04:00
Makefile nfsd: remove fault injection code 2020-09-25 18:01:26 -04:00
netns.h NFSD: simplify locking for network notifier. 2021-12-13 13:42:54 -05:00
nfs2acl.c SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00
nfs3acl.c SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00
nfs3proc.c NFSD: Have legacy NFSD WRITE decoders use xdr_stream_subsegment() 2021-10-02 16:10:01 -04:00
nfs3xdr.c SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00
nfs4acl.c acl: handle idmapped mounts 2021-01-24 14:27:17 +01:00
nfs4callback.c NFSD: simplify struct nfsfh 2021-10-02 15:51:10 -04:00
nfs4idmap.c nfsd: Use seq_putc() in two functions 2020-07-13 17:28:46 -04:00
nfs4layouts.c nfsd/blocklayout: use ->get_unique_id instead of sending SCSI commands 2021-10-22 08:33:57 -06:00
nfs4proc.c NFSD: Fix sparse warning 2021-12-13 13:42:49 -05:00
nfs4recover.c nfsd: Fix nsfd startup race (again) 2021-12-10 11:54:59 -05:00
nfs4state.c nfsd: fix use-after-free due to delegation race 2021-12-10 11:55:15 -05:00
nfs4xdr.c This is just one bugfix for a bufferflow in knfsd's xdr decoding. 2021-11-17 08:38:00 -08:00
nfscache.c NFSD: Optimize DRC bucket pruning 2021-09-21 18:21:34 -04:00
nfsctl.c NFSD: simplify locking for network notifier. 2021-12-13 13:42:54 -05:00
nfsd.h SUNRPC/NFSD: clean up get/put functions. 2021-12-13 13:42:50 -05:00
nfsfh.c NFSD: simplify struct nfsfh 2021-10-02 15:51:10 -04:00
nfsfh.h NFSD: simplify struct nfsfh 2021-10-02 15:51:10 -04:00
nfsproc.c NFSD: Have legacy NFSD WRITE decoders use xdr_stream_subsegment() 2021-10-02 16:10:01 -04:00
nfssvc.c NFSD: simplify locking for network notifier. 2021-12-13 13:42:54 -05:00
nfsxdr.c SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00
pnfs.h
state.h nfsd: track filehandle aliasing in nfs4_files 2021-04-19 16:41:36 -04:00
stats.c nfsd: make nfsd_stats.th_cnt atomic_t 2021-12-13 13:42:51 -05:00
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 NFS: Move NFS protocol display macros to global header 2021-11-02 12:31:23 -04:00
vfs.c nfsd4: remove obselete comment 2021-11-01 17:17:14 -04:00
vfs.h NFSD: Update the NFSv3 ACCESS3res encoder to use struct xdr_stream 2021-03-22 10:18:52 -04:00
xdr3.h SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00
xdr4.h SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00
xdr4cb.h
xdr.h SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00