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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-22 17:07:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-22 17:07:18 -0700
commita2887097f25cd38cadfc11d10769e2b349fb5eca (patch)
treecd4adcb305365d6ba9acd2c02d4eb9d0125c6f8d /fs/xfs/linux-2.6/xfs_buf.h
parent8abfc6e7a45eb74e51904bbae676fae008b11366 (diff)
parent005a1d15f5a6b2bb4ada80349513effbf22b4588 (diff)
Merge branch 'for-2.6.37/barrier' of git://git.kernel.dk/linux-2.6-block
* 'for-2.6.37/barrier' of git://git.kernel.dk/linux-2.6-block: (46 commits) xen-blkfront: disable barrier/flush write support Added blk-lib.c and blk-barrier.c was renamed to blk-flush.c block: remove BLKDEV_IFL_WAIT aic7xxx_old: removed unused 'req' variable block: remove the BH_Eopnotsupp flag block: remove the BLKDEV_IFL_BARRIER flag block: remove the WRITE_BARRIER flag swap: do not send discards as barriers fat: do not send discards as barriers ext4: do not send discards as barriers jbd2: replace barriers with explicit flush / FUA usage jbd2: Modify ASYNC_COMMIT code to not rely on queue draining on barrier jbd: replace barriers with explicit flush / FUA usage nilfs2: replace barriers with explicit flush / FUA usage reiserfs: replace barriers with explicit flush / FUA usage gfs2: replace barriers with explicit flush / FUA usage btrfs: replace barriers with explicit flush / FUA usage xfs: replace barriers with explicit flush / FUA usage block: pass gfp_mask and flags to sb_issue_discard dm: convey that all flushes are processed as empty ...
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 2a05614f0b92..9d021c73ea52 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 {