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linux/fs/nfsd
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Andreas Gruenbacher 1cb57d81cf nfsd: Disable NFSv2 timestamp workaround for NFSv3+ 
[ Upstream commit cc265089ce ]

NFSv2 can set the atime and/or mtime of a file to specific timestamps but not
to the server's current time.  To implement the equivalent of utimes("file",
NULL), it uses a heuristic.

NFSv3 and later do support setting the atime and/or mtime to the server's
current time directly.  The NFSv2 heuristic is still enabled, and causes
timestamps to be set wrong sometimes.

Fix this by moving the heuristic into the NFSv2 specific code.  We can leave it
out of the create code path: the owner can always set timestamps arbitrarily,
and the workaround would never trigger.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
History 2016-12-23 09:42:23 -05:00
..
acl.h nfsd4: remove nfs4_acl_new 2014-07-08 17:14:27 -04:00
auth.c nfsd: silence sparse warning about accessing credentials 2014-07-17 16:15:35 -04:00
auth.h nfsd: Remove nfsd_luid, nfsd_lgid, nfsd_ruid and nfsd_rgid 2013-02-13 06:15:51 -08:00
cache.h nfsd: Remove the cache_hash list 2014-08-17 12:00:12 -04:00
current_stateid.h nfsd41: use current stateid by value 2012-02-15 11:20:45 -05:00
export.c nfsd: allow turning off nfsv3 readdir_plus 2014-08-18 15:12:14 -04:00
export.h NFSD: Using exp_get for export getting 2014-06-23 11:31:36 -04:00
fault_inject.c nfsd: remove old fault injection infrastructure 2014-08-05 10:55:10 -04:00
idmap.h nfsd4: use xdr_reserve_space in attribute encoding 2014-05-28 14:52:34 -04:00
Kconfig lockd: move lockd's grace period handling into its own module 2014-09-17 16:33:11 -04:00
lockd.c nfsd: Remove deprecated nfsctl system call and related code. 2011-07-15 18:58:42 -04:00
Makefile NFSD: Added fault injection 2011-11-07 21:10:47 -05:00
netns.h nfsd: add some comments to the nfsd4 object definitions 2014-08-05 16:09:20 -04:00
nfs2acl.c nfsd: check permissions when setting ACLs 2016-08-22 12:23:31 -04:00
nfs3acl.c nfsd: check permissions when setting ACLs 2016-08-22 12:23:31 -04:00
nfs3proc.c nfsd: allow turning off nfsv3 readdir_plus 2014-08-18 15:12:14 -04:00
nfs3xdr.c NFSD: Using min/max/min_t/max_t for calculate 2014-06-23 11:31:36 -04:00
nfs4acl.c nfsd: check permissions when setting ACLs 2016-08-22 12:23:31 -04:00
nfs4callback.c nfsd4/rpc: move backchannel create logic into rpc code 2016-07-12 08:46:52 -04:00
nfs4idmap.c NFSD: Full checking of authentication name 2014-09-03 17:43:03 -04:00
nfs4proc.c nfsd: fix deadlock secinfo+readdir compound 2016-04-18 08:49:33 -04:00
nfs4recover.c Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-10-13 16:23:15 +02:00
nfs4state.c nfsd: serialize state seqid morphing operations 2016-01-21 11:23:28 -05:00
nfs4xdr.c nfsd4: fix bad bounds checking 2016-04-18 08:49:21 -04:00
nfscache.c nfsd: Reorder nfsd_cache_match to check more powerful discriminators first 2014-08-17 12:00:13 -04:00
nfsctl.c nfsd: add a v4_end_grace file to /proc/fs/nfsd 2014-09-17 16:33:14 -04:00
nfsd.h nfsd: correctly define v4.2 support attributes 2014-11-19 12:03:19 -05:00
nfsfh.c NFSD: Put export if prepare_creds() fail 2014-09-03 17:43:04 -04:00
nfsfh.h nfsd: add appropriate __force directives to filehandle generation code 2014-06-23 11:31:37 -04:00
nfsproc.c nfsd: Disable NFSv2 timestamp workaround for NFSv3+ 2016-12-23 09:42:23 -05:00
nfssvc.c NFSD: Decrease nfsd_users in nfsd_startup_generic fail 2014-08-01 16:26:09 -04:00
nfsxdr.c NFSD: Using min/max/min_t/max_t for calculate 2014-06-23 11:31:36 -04:00
state.h nfsd: serialize state seqid morphing operations 2016-01-21 11:23:28 -05:00
stats.c nfsd: move <linux/nfsd/stats.h> to fs/nfsd 2014-05-06 17:54:55 -04:00
stats.h nfsd: move <linux/nfsd/stats.h> to fs/nfsd 2014-05-06 17:54:55 -04:00
vfs.c nfsd: Disable NFSv2 timestamp workaround for NFSv3+ 2016-12-23 09:42:23 -05:00
vfs.h NFSD: Remove iattr parameter from nfsd_symlink() 2014-07-08 17:14:31 -04:00
xdr.h nfsd: handle vfs_getattr errors in acl protocol 2013-02-26 02:46:09 -05:00
xdr3.h nfsd: fix encode_entryplus_baggage stack usage 2014-01-23 13:50:27 -05:00
xdr4.h NFSD: Implement SEEK 2014-09-29 14:35:20 -04:00
xdr4cb.h nfsd4: check backchannel attributes on create_session 2013-04-09 16:53:56 -04:00