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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/nilfs2/super.c
parent8abfc6e7a45eb74e51904bbae676fae008b11366 (diff)
parent005a1d15f5a6b2bb4ada80349513effbf22b4588 (diff)
downloadop-kernel-dev-a2887097f25cd38cadfc11d10769e2b349fb5eca.zip
op-kernel-dev-a2887097f25cd38cadfc11d10769e2b349fb5eca.tar.gz
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/nilfs2/super.c')
-rw-r--r--fs/nilfs2/super.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 9f4913f..f3b7520 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -177,17 +177,9 @@ static int nilfs_sync_super(struct nilfs_sb_info *sbi, int flag)
retry:
set_buffer_dirty(nilfs->ns_sbh[0]);
-
if (nilfs_test_opt(sbi, BARRIER)) {
err = __sync_dirty_buffer(nilfs->ns_sbh[0],
- WRITE_SYNC | WRITE_BARRIER);
- if (err == -EOPNOTSUPP) {
- nilfs_warning(sbi->s_super, __func__,
- "barrier-based sync failed. "
- "disabling barriers\n");
- nilfs_clear_opt(sbi, BARRIER);
- goto retry;
- }
+ WRITE_SYNC | WRITE_FLUSH_FUA);
} else {
err = sync_dirty_buffer(nilfs->ns_sbh[0]);
}
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