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authorChristoph Hellwig <hch@infradead.org>2010-08-18 05:29:11 -0400
committerJens Axboe <jaxboe@fusionio.com>2010-09-10 12:35:38 +0200
commit80f6c29d8a758650d5c9eac05074b4b3e8c266df (patch)
treea08a3c49536e382a8f3e473c98d08613a0ac82fa /fs/xfs/xfs_log.c
parent2cf6d26a354ab6362e301b5a323832b02867df47 (diff)
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/xfs_log.c')
-rw-r--r--fs/xfs/xfs_log.c13
1 files changed, 0 insertions, 13 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 925d572bf0f4..430a8fc02c1f 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -917,19 +917,6 @@ xlog_iodone(xfs_buf_t *bp)
l = iclog->ic_log;
/*
- * If the _XFS_BARRIER_FAILED flag was set by a lower
- * layer, it means the underlying device no longer supports
- * barrier I/O. Warn loudly and turn off barriers.
- */
- if (bp->b_flags & _XFS_BARRIER_FAILED) {
- bp->b_flags &= ~_XFS_BARRIER_FAILED;
- l->l_mp->m_flags &= ~XFS_MOUNT_BARRIER;
- xfs_fs_cmn_err(CE_WARN, l->l_mp,
- "xlog_iodone: Barriers are no longer supported"
- " by device. Disabling barriers\n");
- }
-
- /*
* Race to shutdown the filesystem if we see an error.
*/
if (XFS_TEST_ERROR((XFS_BUF_GETERROR(bp)), l->l_mp,