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linux-2.6/fs/nfs
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Ricardo Labiaga 6b96724e50 Revalidate caches on lock 
Instead of blindly zapping the caches, attempt to revalidate them if
the server has indicated that it uses high resolution timestamps.

NFSv4 should be able to always revalidate the cache since the
protocol requires the update of the change attribute on modification of
the data.  In reality, there are servers (the Linux NFS server
for example) that do not obey this requirement and use ctime as the
basis for change attribute.  Long term, the server needs to be fixed.
At this time, and to be on the safe side, continue zapping caches if
the server indicates that it does not have a high resolution timestamp.

Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 		2010-10-24 17:59:56 -04:00
..
Kconfig NFS: new idmapper 2010-10-07 18:48:49 -04:00
Makefile NFS: Add a dns resolver for use with NFSv4 referrals and migration 2009-08-19 18:22:15 -04:00
cache_lib.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
cache_lib.h NFS: Add a dns resolver for use with NFSv4 referrals and migration 2009-08-19 18:22:15 -04:00
callback.c param: use ops in struct kernel_param, rather than get and set fns directly 2010-08-11 23:04:13 +09:30
callback.h nfs41: implement cb_recall_slot 2010-02-10 08:30:59 -05:00
callback_proc.c NFS: Fix the locking in nfs4_callback_getattr 2010-08-06 13:41:39 -04:00
callback_xdr.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
client.c Revalidate caches on lock 2010-10-24 17:59:56 -04:00
delegation.c NFS: Clean up the callers of nfs_wb_all() 2010-08-03 22:06:40 -04:00
delegation.h NFSv41: Fix nfs_async_inode_return_delegation() ugliness 2010-06-22 13:24:02 -04:00
dir.c NFS: Ensure we check all allocation return values in new readdir code 2010-10-23 15:27:38 -04:00
direct.c NFSv4: Ensure that we track the NFSv4 lock state in read/write requests. 2010-07-30 14:41:56 -04:00
dns_resolve.c NFS: Use kernel DNS resolver [ver #2] 2010-08-11 17:11:28 +00:00
dns_resolve.h NFS: Use kernel DNS resolver [ver #2] 2010-08-11 17:11:28 +00:00
file.c Revalidate caches on lock 2010-10-24 17:59:56 -04:00
fscache-index.c NFS: Add read context retention for FS-Cache to call back with 2009-04-03 16:42:44 +01:00
fscache.c NFS: Squelch compiler warning 2010-05-14 15:09:31 -04:00
fscache.h NFS: Propagate 'fsc' mount option through automounts 2009-09-23 14:36:39 -04:00
getroot.c nfs4 use mandatory attribute file type in nfs4_get_root 2010-06-22 13:17:43 -04:00
idmap.c NFS: new idmapper 2010-10-07 18:48:49 -04:00
inode.c NFS: remove readdir plus limit 2010-10-23 15:27:32 -04:00
internal.h NFS: Readdir plus in v4 2010-10-23 15:27:37 -04:00
iostat.h NFS: Squelch compiler warning in nfs_add_server_stats() 2010-05-14 15:09:31 -04:00
mount_clnt.c NFS: Remove \t from mount debugging message 2010-09-17 10:54:37 -04:00
namespace.c NFS: Reduce the stack footprint of nfs_follow_mountpoint() 2010-05-14 15:09:22 -04:00
nfs2xdr.c NFS: Readdir plus in v4 2010-10-23 15:27:37 -04:00
nfs3acl.c NFS: Reduce stack footprint of nfs3_proc_getacl() and nfs3_proc_setacl() 2010-05-14 15:09:28 -04:00
nfs3proc.c NFS: readdir with vmapped pages 2010-10-23 15:27:35 -04:00
nfs3xdr.c Revalidate caches on lock 2010-10-24 17:59:56 -04:00
nfs4_fs.h NFS: Readdir plus in v4 2010-10-23 15:27:37 -04:00
nfs4namespace.c NFSv4: Fix up the documentation for nfs_do_refmount 2010-05-14 15:09:29 -04:00
nfs4proc.c NFS: Readdir plus in v4 2010-10-23 15:27:37 -04:00
nfs4renewd.c NFSv41: Convert the various reboot recovery ops etc to minor version ops 2010-06-22 13:24:02 -04:00
nfs4state.c nfs: include ratelimit.h, fix nfs4state build error 2010-10-23 15:27:29 -04:00
nfs4xdr.c NFSv4: Fix up the 'dircount' hint in encode_readdir 2010-10-24 13:20:25 -04:00
nfsroot.c NFS: Allow NFSROOT debugging messages to be enabled dynamically 2010-09-17 10:54:37 -04:00
pagelist.c NFSv4: Ensure that we track the NFSv4 lock state in read/write requests. 2010-07-30 14:41:56 -04:00
proc.c NFS: readdir with vmapped pages 2010-10-23 15:27:35 -04:00
read.c NFSv4.1: keep seq_res.sr_slot as pointer rather than an index 2010-09-24 09:17:01 -04:00
super.c nfs: show "local_lock" mount option in /proc/mounts 2010-09-23 14:26:48 -04:00
symlink.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sysctl.c NFS: new idmapper 2010-10-07 18:48:49 -04:00
unlink.c NFSv4.1: keep seq_res.sr_slot as pointer rather than an index 2010-09-24 09:17:01 -04:00
write.c NFS: don't use FLUSH_SYNC on WB_SYNC_NONE COMMIT calls (try #2) 2010-09-29 14:42:30 -04:00