Commit 31725e65 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

block: remove the WRITE_BARRIER flag 



It's unused now.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Signed-off-by: default avatarJens Axboe <jaxboe@fusionio.com>
parent 349f429e

include/linux/fs.h

+0 −3
Original line number Diff line number Diff line
@@ -135,7 +135,6 @@ struct inodes_stat_t { 
 *			immediately after submission. The write equivalent

 *			of READ_SYNC.

 * WRITE_ODIRECT_PLUG	Special case write for O_DIRECT only.

 * WRITE_BARRIER	DEPRECATED. Always fails. Use FLUSH/FUA instead.

 * WRITE_FLUSH		Like WRITE_SYNC but with preceding cache flush.

 * WRITE_FUA		Like WRITE_SYNC but data is guaranteed to be on

 *			non-volatile media on completion.
@@ -157,8 +156,6 @@ struct inodes_stat_t { 
#define WRITE_SYNC		(WRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG)

#define WRITE_ODIRECT_PLUG	(WRITE | REQ_SYNC)

#define WRITE_META		(WRITE | REQ_META)

#define WRITE_BARRIER		(WRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG | \

				 REQ_HARDBARRIER)

#define WRITE_FLUSH		(WRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG | \

				 REQ_FLUSH)

#define WRITE_FUA		(WRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG | \