[PATCH 5/5] block: remove the WRITE_BARRIER flag

From: Tejun Heo
Date: Mon Aug 30 2010 - 06:06:18 EST


From: Christoph Hellwig <hch@xxxxxxxxxxxxx>

It's unused now.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
---
include/linux/fs.h | 3 ---
1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 32703a9..6b0f6e9 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 | \
--
1.7.1

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