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linux/fs/nfs
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Trond Myklebust 10717f4563 NFSv4: Limit the total number of cached delegations 
Delegations can be expensive to return, and can cause scalability issues
for the server. Let's therefore try to limit the number of inactive
delegations we hold.
Once the number of delegations is above a certain threshold, start
to return them on close.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2020-02-03 16:35:07 -05:00
..
blocklayout
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
filelayout
pNFS/filelayout: enable LAYOUTGET on OPEN
2019-09-24 16:28:38 -04:00
flexfilelayout
pNFS/flexfiles: Add tracing for layout errors
2020-01-15 10:54:33 -05:00
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
NFSv4: nfs4_callback_getattr() should ignore revoked delegations
2019-11-03 21:28:45 -05:00
callback_xdr.c
NFS4: Report callback authentication errors
2020-01-15 10:54:31 -05:00
callback.c
SUNRPC: Cache the process user cred in the RPC server listener
2019-04-24 09:46:35 -04:00
callback.h
NFSv4: NFSv4 callbacks also support 64-bit timestamps
2019-11-03 21:28:44 -05:00
client.c
NFS: allow deprecation of NFS UDP protocol
2020-01-24 16:51:13 -05:00
delegation.c
NFSv4: Limit the total number of cached delegations
2020-02-03 16:35:07 -05:00
delegation.h
NFSv4: Try to return the delegation immediately when marked for return on close
2020-02-03 16:35:07 -05:00
dir.c
NFS: nfs_access_get_cached_rcu() should use cred_fscmp()
2020-02-03 16:35:07 -05:00
direct.c
NFS: Fix nfs_direct_write_reschedule_io()
2020-01-15 10:54:33 -05:00
dns_resolve.c
keys: Pass the network namespace into request_key mechanism
2019-06-27 23:02:12 +01:00
dns_resolve.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
NFS: Add a tracepoint in nfs_fh_to_dentry()
2019-11-03 21:28:46 -05:00
file.c
NFS: Fix up fsync() when the server rebooted
2020-01-15 10:54:32 -05:00
fs_context.c
nfs: Return EINVAL rather than ERANGE for mount parse errors
2020-01-24 16:51:13 -05:00
fscache-index.c
nfs: fscache: use timespec64 in inode auxdata
2020-01-15 10:54:30 -05:00
fscache.c
nfs: fscache: use timespec64 in inode auxdata
2020-01-15 10:54:30 -05:00
fscache.h
nfs: fscache: use timespec64 in inode auxdata
2020-01-15 10:54:30 -05:00
getroot.c
NFS: Attach supplementary error information to fs_context.
2020-01-15 10:15:17 -05:00
inode.c
NFS: nfs_find_open_context() should use cred_fscmp()
2020-02-03 16:35:07 -05:00
internal.h
NFS: Add softreval behaviour to nfs_lookup_revalidate()
2020-01-24 16:51:13 -05:00
io.c
NFS: Fix up documentation warnings
2019-02-20 15:14:21 -05:00
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: allow deprecation of NFS UDP protocol
2020-01-24 16:51:13 -05:00
Makefile
NFS: Move mount parameterisation bits into their own file
2020-01-15 10:15:17 -05:00
mount_clnt.c
NFS: remove unused macros
2020-02-03 10:43:06 -05:00
namespace.c
NFS: Add softreval behaviour to nfs_lookup_revalidate()
2020-01-24 16:51:13 -05:00
netns.h
NFS: Add sysfs support for per-container identifier
2019-07-06 14:54:49 -04:00
nfs2super.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
nfs2xdr.c
nfs: remove timespec from xdr_encode_nfstime
2020-01-15 10:54:30 -05:00
nfs3_fs.h
NFS: Additional refactoring for fs_context conversion
2020-01-15 10:15:17 -05:00
nfs3acl.c
nfs: fix xfstest generic/099 failed on nfsv3
2019-02-20 17:33:55 -05:00
nfs3client.c
NFS: Additional refactoring for fs_context conversion
2020-01-15 10:15:17 -05:00
nfs3proc.c
NFS: Add softreval behaviour to nfs_lookup_revalidate()
2020-01-24 16:51:13 -05:00
nfs3super.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
nfs3xdr.c
NFS/pnfs: Fix pnfs_generic_prepare_to_resend_writes()
2020-01-15 10:54:32 -05:00
nfs4_fs.h
NFS: Add softreval behaviour to nfs_lookup_revalidate()
2020-01-24 16:51:13 -05:00
nfs4client.c
NFS: Additional refactoring for fs_context conversion
2020-01-15 10:15:17 -05:00
nfs4file.c
NFS: Add fs_context support.
2020-01-15 10:15:17 -05:00
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
Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs"
2019-07-10 18:43:43 -07:00
nfs4idmap.h
NFS: Move nfs_idmap.h into fs/nfs/
2015-04-23 15:16:14 -04:00
nfs4namespace.c
NFS: Add softreval behaviour to nfs_lookup_revalidate()
2020-01-24 16:51:13 -05:00
nfs4proc.c
NFS: Add softreval behaviour to nfs_lookup_revalidate()
2020-01-24 16:51:13 -05:00
nfs4renewd.c
NFS/NFSD/SUNRPC: replace generic creds with 'struct cred'.
2018-12-19 13:52:46 -05:00
nfs4session.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
nfs4session.h
NFSv4.1: Bump the default callback session slot count to 16
2019-03-02 16:25:26 -05:00
nfs4state.c
NFSv4: Try to return the delegation immediately when marked for return on close
2020-02-03 16:35:07 -05:00
nfs4super.c
NFS: Attach supplementary error information to fs_context.
2020-01-15 10:15:17 -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
pNFS/flexfiles: Add tracing for layout errors
2020-01-15 10:54:33 -05:00
nfs4xdr.c
NFS/pnfs: Fix pnfs_generic_prepare_to_resend_writes()
2020-01-15 10:54:32 -05:00
nfs42.h
NFS based on file size issue sync copy or fallback to generic copy offload
2019-10-09 12:06:22 -04:00
nfs42proc.c
NFSv4.x recover from pre-mature loss of openstateid
2020-01-15 10:54:33 -05:00
nfs42xdr.c
NFS: add ca_source_server<> to COPY
2019-10-09 12:05:49 -04:00
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
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfstrace.c
NFS: Add trace events to report non-zero NFS status codes
2019-02-13 12:03:21 -05:00
nfstrace.h
NFS: Improve tracing of permission calls
2020-01-15 10:54:33 -05:00
pagelist.c
NFS: Fix initialisation of I/O result struct in nfs_pgio_rpcsetup
2019-08-19 08:56:04 -04:00
pnfs_dev.c
NFS/flexfiles: Speed up read failover when DSes are down
2019-03-01 22:37:38 -05:00
pnfs_nfs.c
NFS/pnfs: Fix pnfs_generic_prepare_to_resend_writes()
2020-01-15 10:54:32 -05:00
pnfs.c
NFSv4: pnfs_roc() must use cred_fscmp() to compare creds
2020-02-03 16:35:07 -05:00
pnfs.h
pNFS/flexfiles: Record resend attempts on I/O failure
2020-01-15 10:54:32 -05:00
proc.c
NFS: Add softreval behaviour to nfs_lookup_revalidate()
2020-01-24 16:51:13 -05:00
read.c
NFS: When resending after a short write, reset the reply count to zero
2020-01-15 10:54:33 -05:00
super.c
NFS: Add mount option 'softreval'
2020-01-15 10:54:33 -05:00
symlink.c
nfs: pass the correct prototype to read_cache_page
2019-05-09 16:26:57 -04:00
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
fs: nfs: sysfs: Remove NULL check before kfree
2019-11-18 10:38:04 +01:00
sysfs.h
NFS: Add sysfs support for per-container identifier
2019-07-06 14:54:49 -04:00
unlink.c
fsnotify: move fsnotify_nameremove() hook out of d_delete()
2019-06-20 14:47:44 +02:00
write.c
NFS: When resending after a short write, reset the reply count to zero
2020-01-15 10:54:33 -05:00