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nfsd: Record NFSv4 pre/post-op attributes as non-atomic

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[ Upstream commit 716a8bc7f706eeef80ab42c99d9f210eda845c81 ]

For the case of NFSv4, specify to the client that the pre/post-op
attributes were not recorded atomically with the main operation.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Trond Myklebust
2020-11-30 23:14:27 -05:00
committed by Greg Kroah-Hartman
parent 0750e494c7
commit 8f1df3d0c1
5 changed files with 15 additions and 2 deletions
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3
include/linux/exportfs.h
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@@ -217,6 +217,9 @@ struct export_operations {
#define EXPORT_OP_NOSUBTREECHK (0x2) /* no subtree checking */
#define EXPORT_OP_CLOSE_BEFORE_UNLINK (0x4) /* close files before unlink */
#define EXPORT_OP_REMOTE_FS (0x8) /* Filesystem is remote */
#define EXPORT_OP_NOATOMIC_ATTR (0x10) /* Filesystem cannot supply
atomic attribute updates
*/
unsigned long flags;
};