On Fri, Aug 18, 2017 at 06:21:53PM +0200, David Sterba wrote:
> The superblock is also metadata of the filesystem so the relevant IO
> should be tagged as such.
>
Reviewed-by: Liu Bo <bo.li.liu@xxxxxxxxxx>
-liubo
> Signed-off-by: David Sterba <dsterba@xxxxxxxx>
> ---
> fs/btrfs/disk-io.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
> index 90b967ae46d0..21b55e8caf33 100644
> --- a/fs/btrfs/disk-io.c
> +++ b/fs/btrfs/disk-io.c
> @@ -3433,9 +3433,11 @@ static int write_dev_supers(struct btrfs_device *device,
> */
> if (i == 0) {
> ret = btrfsic_submit_bh(REQ_OP_WRITE,
> - REQ_SYNC | REQ_FUA, bh);
> + REQ_SYNC | REQ_FUA | REQ_META,
> + bh);
> } else {
> - ret = btrfsic_submit_bh(REQ_OP_WRITE, REQ_SYNC, bh);
> + ret = btrfsic_submit_bh(REQ_OP_WRITE,
> + REQ_SYNC | REQ_META, bh);
> }
> if (ret)
> errors++;
> --
> 2.14.0
>
> --
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