block: remove the WRITE_BARRIER flag

It's unused now.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

1 files changed, 0 insertions, 3 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 352c48627381..d6add69bc170 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -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 | \