Commit e8117c26 authored by Wang Shilong's avatar Wang Shilong Committed by Chris Mason
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Btrfs: only fua the first superblock when writting supers 



We only intent to fua the first superblock in every device from
comments, fix it.

Signed-off-by: default avatarWang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: default avatarJosef Bacik <jbacik@fb.com>
Signed-off-by: default avatarChris Mason <clm@fb.com>
parent 17504584

fs/btrfs/disk-io.c

+4 −1
Original line number Diff line number Diff line
@@ -3133,7 +3133,10 @@ static int write_dev_supers(struct btrfs_device *device, 
		 * we fua the first super.  The others we allow

		 * to go down lazy.

		 */

		if (i == 0)

			ret = btrfsic_submit_bh(WRITE_FUA, bh);

		else

			ret = btrfsic_submit_bh(WRITE_SYNC, bh);

		if (ret)

			errors++;

	}