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authorChristoph Hellwig <hch@infradead.org>2010-08-18 11:29:11 +0200
committerJens Axboe <jaxboe@fusionio.com>2010-09-10 12:35:38 +0200
commit80f6c29d8a758650d5c9eac05074b4b3e8c266df (patch)
treea08a3c49536e382a8f3e473c98d08613a0ac82fa /fs/xfs/linux-2.6/xfs_buf.h
parentblock: pass gfp_mask and flags to sb_issue_discard (diff)
downloadlinux-80f6c29d8a758650d5c9eac05074b4b3e8c266df.tar.xz
linux-80f6c29d8a758650d5c9eac05074b4b3e8c266df.zip
xfs: replace barriers with explicit flush / FUA usage
Switch to the WRITE_FLUSH_FUA flag for log writes and remove the EOPNOTSUPP detection for barriers. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_buf.h')
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.h11
1 files changed, 1 insertions, 10 deletions
diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h
index d072e5ff923b..d533d64e2c3e 100644
--- a/fs/xfs/linux-2.6/xfs_buf.h
+++ b/fs/xfs/linux-2.6/xfs_buf.h
@@ -86,14 +86,6 @@ typedef enum {
*/
#define _XBF_PAGE_LOCKED (1 << 22)
-/*
- * If we try a barrier write, but it fails we have to communicate
- * this to the upper layers. Unfortunately b_error gets overwritten
- * when the buffer is re-issued so we have to add another flag to
- * keep this information.
- */
-#define _XFS_BARRIER_FAILED (1 << 23)
-
typedef unsigned int xfs_buf_flags_t;
#define XFS_BUF_FLAGS \
@@ -114,8 +106,7 @@ typedef unsigned int xfs_buf_flags_t;
{ _XBF_PAGES, "PAGES" }, \
{ _XBF_RUN_QUEUES, "RUN_QUEUES" }, \
{ _XBF_DELWRI_Q, "DELWRI_Q" }, \
- { _XBF_PAGE_LOCKED, "PAGE_LOCKED" }, \
- { _XFS_BARRIER_FAILED, "BARRIER_FAILED" }
+ { _XBF_PAGE_LOCKED, "PAGE_LOCKED" }
typedef enum {