redonkable/alistair23-linux
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alistair23-linux/fs/nfs
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Hou Tao 59b86d85a7 NFS: always treat the invocation of nfs_getattr as cache hit when noac is on 
When using 'ls -l' to display a large directory, if noac option is used,
in function nfs_getattr() nfs_need_revalidate_inode() will always be true
for NFSv3 and the nfs_entry cache of the directory will be flushed. The
flush will lead to a fully reread of the directory entries from server.

To prevent the unnecessary RPCs, we need to check whether or not the
noac option is used, and always report the invocation of nfs_getattr()
as cache hit instead cache miss when it's on.

Signed-off-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2017-05-05 13:01:32 -04:00
..
blocklayout lib/vsprintf.c: remove %Z support 2017-02-27 18:43:47 -08:00
filelayout nfs/filelayout: fix NULL pointer dereference in fl_pnfs_update_layout() 2017-04-28 13:06:59 -04:00
flexfilelayout pNFS/flexfiles: Fix up the ff_layout_write_pagelist failure path 2017-04-29 00:02:37 -04:00
cache_lib.c sunrpc/nfs: cleanup procfs/pipefs entry in cache_detail 2017-02-08 17:02:45 -05:00
cache_lib.h
callback.c NFS client fixes for 4.11 2017-03-17 14:16:22 -07:00
callback.h nfs: add handling for CB_NOTIFY_LOCK in client 2016-09-22 13:56:04 -04:00
callback_proc.c NFS: Remove extra dprintk()s from callback_proc.c 2017-04-20 13:39:32 -04:00
callback_xdr.c NFS: Remove extra dprintk()s from callback_xdr.c 2017-04-20 13:39:33 -04:00
client.c lockd: Introduce nlmclnt_operations 2017-04-21 10:45:01 -04:00
delegation.c NFSv4: Optimise away forced revalidation when we know the attributes are OK 2016-12-01 17:21:37 -05:00
delegation.h NFSv4: nfs_inode_find_state_and_recover() should check all stateids 2016-09-27 14:34:35 -04:00
dir.c NFS: switch back to to ->iterate() 2017-04-20 13:33:09 -04:00
direct.c NFS: Clean up nfs_direct_commit_complete() 2017-04-20 13:39:33 -04:00
dns_resolve.c
dns_resolve.h
file.c NFSv4: Don't special case "launder" 2017-04-26 13:03:04 -04:00
fscache-index.c
fscache.c
fscache.h
getroot.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
inode.c NFS: always treat the invocation of nfs_getattr as cache hit when noac is on 2017-05-05 13:01:32 -04:00
internal.h NFS: Add a few more fatal I/O errors to nfs_error_is_fatal() 2017-04-26 13:03:04 -04:00
io.c
iostat.h
Kconfig nfs: remove the objlayout driver 2017-04-20 15:51:23 -04:00
Makefile nfs: remove the objlayout driver 2017-04-20 15:51:23 -04:00
mount_clnt.c
namespace.c NFS: Remove extra dprintk()s from namespace.c 2017-04-20 13:39:34 -04:00
netns.h netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
nfs.h
nfs2super.c
nfs2xdr.c
nfs3_fs.h
nfs3acl.c
nfs3client.c NFS: Remove unused authflavour parameter from nfs_get_client() 2016-12-01 17:46:32 -05:00
nfs3proc.c NFSv3: nfs3_nlm_alloc_call should be declared static 2017-04-25 16:25:06 -04:00
nfs3super.c
nfs3xdr.c
nfs4_fs.h NFS: Use nfs4_setup_sequence() everywhere 2017-01-30 13:14:50 -05:00
nfs4client.c NFS: Remove extra dprintk()s from nfs4client.c 2017-04-20 13:39:35 -04:00
nfs4file.c NFSv4: add flock_owner to open context 2016-12-01 17:57:27 -05:00
nfs4getroot.c NFS: Clean up nfs4_get_rootfh() 2017-04-20 13:39:35 -04:00
nfs4idmap.c KEYS: Differentiate uses of rcu_dereference_key() and user_key_payload() 2017-03-02 10:09:00 +11:00
nfs4idmap.h
nfs4namespace.c NFS: Remove extra dprintk()s from nfs4namespace.c 2017-04-20 13:39:35 -04:00
nfs4proc.c Fix nfs_client refcounting if kmalloc fails in nfs4_proc_exchange_id and nfs4_proc_async_renew 2017-05-05 13:01:32 -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 NFS: Make trace_nfs4_setup_sequence() available to NFS v4.0 2017-01-30 13:14:50 -05:00
nfs4state.c NFSv4.1: RECLAIM_COMPLETE must handle NFS4ERR_CONN_NOT_BOUND_TO_SESSION 2017-05-05 12:01:50 -04:00
nfs4super.c
nfs4sysctl.c
nfs4trace.c
nfs4trace.h NFS: Make trace_nfs4_setup_sequence() available to NFS v4.0 2017-01-30 13:14:50 -05:00
nfs4xdr.c NFSv4: check return value of xdr_inline_decode 2017-04-28 13:06:59 -04:00
nfs42.h
nfs42proc.c pNFS: Ensure we commit the layout if it has been invalidated 2017-04-29 11:29:30 -04:00
nfs42xdr.c pNFS/flexfiles: Minor refactoring before adding iostats to layoutreturn 2016-12-03 15:37:45 -05:00
nfsroot.c
nfstrace.c
nfstrace.h NFS client updates for Linux 4.8 2016-07-30 16:33:25 -07:00
pagelist.c NFS: Add an iocounter wait function for async RPC tasks 2017-04-21 10:45:01 -04:00
pnfs.c pNFS: Fix a deadlock when coalescing writes and returning the layout 2017-05-02 12:35:33 -04:00
pnfs.h pNFS: Ensure we check layout segment validity in the pg_init() callback 2017-04-25 10:56:19 -04:00
pnfs_dev.c
pnfs_nfs.c pNFS: Fix NULL dereference in pnfs_generic_alloc_ds_commits 2017-05-03 12:29:41 -04:00
proc.c lockd: Introduce nlmclnt_operations 2017-04-21 10:45:01 -04:00
read.c NFS: move rw_mode to nfs_pageio_header 2017-04-20 14:00:41 -04:00
super.c NFS: tidy up nfs_show_mountd_netid 2017-01-30 13:14:50 -05:00
symlink.c vfs: remove ".readlink = generic_readlink" assignments 2016-12-09 16:45:04 +01:00
sysctl.c
unlink.c
write.c NFSv4: Don't special case "launder" 2017-04-26 13:03:04 -04:00