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alistair23-linux/fs/nfs
Trond Myklebust 8d8928d879 NFSv3: Improve NFSv3 performance when server returns no post-op attributes
When the server fails to return post-op attributes, the client's
attempt to place read data directly in the page cache fails, and
so we have to do an extra copy in order to realign the data with
page borders.
This patch attempts to detect servers that don't return post-op
attributes on read (e.g. for pNFS) and adjusts the placement
calculation accordingly.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-09-30 15:35:17 -04:00
..
blocklayout NFS: Mark expected switch fall-throughs 2018-08-08 16:50:02 -04:00
filelayout pNFS: Don't allocate more pages than we need to fit a layoutget response 2018-09-30 15:35:16 -04:00
flexfilelayout nfs4: flex_file: ignore synthetic uid/gid for tightly coupled DSes 2018-09-30 15:35:17 -04:00
Kconfig pnfs/blocklayout: require 64-bit sector_t 2017-08-11 14:10:13 -04:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
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.c NFS client updates for Linux 4.15 2017-11-17 14:18:00 -08:00
callback.h NFS CB_OFFLOAD xdr 2018-08-09 12:56:38 -04:00
callback_proc.c NFSv4: Fix a sleep in atomic context in nfs4_callback_sequence() 2018-08-15 12:05:15 -04:00
callback_xdr.c NFS CB_OFFLOAD xdr 2018-08-09 12:56:38 -04:00
client.c NFS add support for asynchronous COPY 2018-08-09 12:56:39 -04:00
delegation.c NFS: Convert lookups of the open context to RCU 2018-09-30 15:35:17 -04:00
delegation.h NFSv4: Fix the nfs_inode_set_delegation() arguments 2018-04-10 16:06:22 -04:00
dir.c NFS client updates for Linux 4.19 2018-08-23 16:03:58 -07:00
direct.c NFS: Use an appropriate work queue for direct-write completion 2018-08-08 17:07:38 -04:00
dns_resolve.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +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: Pass the inode down to the getattr() callback 2018-06-04 12:07:07 -04:00
file.c fs: nfs: Adding new return type vm_fault_t 2018-07-30 13:19:40 -04:00
fscache-index.c vfs: change inode times to use struct timespec64 2018-06-05 16:57:31 -07:00
fscache.c vfs: change inode times to use struct timespec64 2018-06-05 16:57:31 -07:00
fscache.h fscache: Pass object size in rather than calling back for it 2018-04-06 14:05:14 +01:00
getroot.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
inode.c NFS: Convert lookups of the open context to RCU 2018-09-30 15:35:17 -04:00
internal.h Rename superblock flags (MS_xyz -> SB_xyz) 2017-11-27 13:05:09 -08:00
io.c NFS: Fix a race between mmap() and O_DIRECT 2018-01-28 22:00:15 -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
mount_clnt.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
namespace.c NFS: Use ERR_CAST() to avoid cross-structure cast 2017-05-28 10:11:47 -07:00
netns.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfs2super.c NFS: Convert v2 into a module 2012-07-30 19:06:41 -04:00
nfs2xdr.c vfs: change inode times to use struct timespec64 2018-06-05 16:57:31 -07:00
nfs3_fs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfs3acl.c NFS: Mark expected switch fall-throughs 2018-08-08 16:50:02 -04:00
nfs3client.c NFS: Remove unused authflavour parameter from nfs_get_client() 2016-12-01 17:46:32 -05:00
nfs3proc.c NFSv3: Improve NFSv3 performance when server returns no post-op attributes 2018-09-30 15:35:17 -04:00
nfs3super.c nfsv3: introduce nfs3_set_ds_client 2015-02-03 11:06:34 -08:00
nfs3xdr.c NFSv3: Improve NFSv3 performance when server returns no post-op attributes 2018-09-30 15:35:17 -04:00
nfs4_fs.h NFSv4: Convert struct nfs4_state to use refcount_t 2018-09-30 15:35:17 -04:00
nfs4client.c NFSv4.1: Fix the r/wsize checking 2018-09-30 15:35:17 -04:00
nfs4file.c NFS recover from destination server reboot for copies 2018-08-13 17:04:23 -04:00
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 NFS: Mark expected switch fall-throughs 2018-08-08 16:50:02 -04:00
nfs4idmap.h NFS: Move nfs_idmap.h into fs/nfs/ 2015-04-23 15:16:14 -04:00
nfs4namespace.c nfs: Referrals should use the same proto setting as their parent 2018-01-14 23:06:30 -05:00
nfs4proc.c NFSv4: Convert struct nfs4_state to use refcount_t 2018-09-30 15:35:17 -04:00
nfs4renewd.c NFSv4: Set the connection timeout to match the lease period 2017-02-09 14:15:16 -05:00
nfs4session.c NFSv4.1: Fix regression in callback retry handling 2016-12-01 17:21:38 -05:00
nfs4session.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfs4state.c NFSv4: Split out NFS v4.2 copy completion functions 2018-09-30 15:35:17 -04:00
nfs4super.c NFS: Move nfs_idmap.h into fs/nfs/ 2015-04-23 15:16:14 -04:00
nfs4sysctl.c nfs: Do not convert nfs_idmap_cache_timeout to jiffies 2018-01-18 15:10:47 -05:00
nfs4trace.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfs4trace.h NFSv4: Fix a tracepoint Oops in initiate_file_draining() 2018-09-14 16:24:08 -04:00
nfs4xdr.c NFS OFFLOAD_CANCEL xdr 2018-08-09 12:56:38 -04:00
nfs42.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfs42proc.c NFS recover from destination server reboot for copies 2018-08-13 17:04:23 -04:00
nfs42xdr.c NFS add support for asynchronous COPY 2018-08-09 12:56:39 -04:00
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 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfstrace.h NFS client updates for Linux 4.16 2018-01-30 19:03:48 -08:00
pagelist.c NFS: Mark expected switch fall-throughs 2018-08-08 16:50:02 -04:00
pnfs.c NFS: Convert lookups of the open context to RCU 2018-09-30 15:35:17 -04:00
pnfs.h pNFS: Don't allocate more pages than we need to fit a layoutget response 2018-09-30 15:35:16 -04:00
pnfs_dev.c pnfs/blocklayout: handle transient devices 2018-01-14 23:06:29 -05:00
pnfs_nfs.c NFSv4: Fix locking in pnfs_generic_recover_commit_reqs 2018-08-15 11:43:38 -04:00
proc.c NFS: Pass the inode down to the getattr() callback 2018-06-04 12:07:07 -04:00
read.c NFS: Add static NFS I/O tracepoints 2017-09-11 22:20:38 -04:00
super.c NFS: silence a harmless uninitialized variable warning 2018-07-31 12:53:40 -04:00
symlink.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sysctl.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
unlink.c NFS: Fix up sillyrename() 2018-05-31 15:02:16 -04:00
write.c NFS: Ensure we immediately start writeback on rescheduled writes 2018-07-26 16:25:25 -04:00