On Mon, Feb 13, 2017 at 10:33:36AM +0100, David Sterba wrote:
> The barriers are handled by the caller.
>
Reviewed-by: Liu Bo <bo.li.liu@xxxxxxxxxx>
Thanks,
-liubo
> Signed-off-by: David Sterba <dsterba@xxxxxxxx>
> ---
> fs/btrfs/disk-io.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
> index 48846d215e97..43e71457c193 100644
> --- a/fs/btrfs/disk-io.c
> +++ b/fs/btrfs/disk-io.c
> @@ -3410,7 +3410,7 @@ struct buffer_head *btrfs_read_dev_super(struct block_device *bdev)
> */
> static int write_dev_supers(struct btrfs_device *device,
> struct btrfs_super_block *sb,
> - int do_barriers, int wait, int max_mirrors)
> + int wait, int max_mirrors)
> {
> struct buffer_head *bh;
> int i;
> @@ -3752,7 +3752,7 @@ static int write_all_supers(struct btrfs_fs_info *fs_info, int max_mirrors)
> flags = btrfs_super_flags(sb);
> btrfs_set_super_flags(sb, flags | BTRFS_HEADER_FLAG_WRITTEN);
>
> - ret = write_dev_supers(dev, sb, do_barriers, 0, max_mirrors);
> + ret = write_dev_supers(dev, sb, 0, max_mirrors);
> if (ret)
> total_errors++;
> }
> @@ -3775,7 +3775,7 @@ static int write_all_supers(struct btrfs_fs_info *fs_info, int max_mirrors)
> if (!dev->in_fs_metadata || !dev->writeable)
> continue;
>
> - ret = write_dev_supers(dev, sb, do_barriers, 1, max_mirrors);
> + ret = write_dev_supers(dev, sb, 1, max_mirrors);
> if (ret)
> total_errors++;
> }
> --
> 2.10.1
>
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