On Thu, Jul 24, 2014 at 11:37:08AM +0800, Miao Xie wrote:
> All the metadata in the seed devices has the same fsid as the fsid
> of the seed filesystem which is on the seed device, so we should check
> them by the current filesystem. Fix it.
>
> Signed-off-by: Miao Xie <miaox@xxxxxxxxxxxxxx>
Reviewed-by: David Sterba <dsterba@xxxxxxx>
> ---
> fs/btrfs/scrub.c | 18 +++++++++++++-----
> 1 file changed, 13 insertions(+), 5 deletions(-)
>
> diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
> index 23d3f6e..9a81874e 100644
> --- a/fs/btrfs/scrub.c
> +++ b/fs/btrfs/scrub.c
> @@ -1361,6 +1361,16 @@ static void scrub_recheck_block(struct btrfs_fs_info *fs_info,
> return;
> }
>
> +static inline int scrub_check_fsid(u8 fsid[],
Please use 'const u8 *fsid' type.
> + struct scrub_page *spage)
> +{
> + struct btrfs_fs_devices *fs_devices = spage->dev->fs_devices;
> + int ret;
> +
> + ret = memcmp(fsid, fs_devices->fsid, BTRFS_UUID_SIZE);
ret is not necessary
> + return !ret;
> +}
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