Re: [PATCH 1/2 v2] common/rc: _fs_sysfs_dname fetch fsid using btrfs tool

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On Fri, Oct 27, 2023 at 4:14 PM Anand Jain <anand.jain@xxxxxxxxxx> wrote:
>
> Currently _fs_sysfs_dname gets fsid from the findmnt command however
> this command provides the metadata_uuid in the context device is
> mounted with temp-fsid. So instead, use btrfs filesystem show command to
> know the temp-fsid.
>
> Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
> ---
> v2: new.
>
>  common/rc | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/common/rc b/common/rc
> index 259a1ffb09b9..deeffe4228d4 100644
> --- a/common/rc
> +++ b/common/rc
> @@ -4728,7 +4728,9 @@ _fs_sysfs_dname()
>
>         case "$FSTYP" in
>         btrfs)
> -               findmnt -n -o UUID ${dev} ;;
> +               fsid=$($BTRFS_UTIL_PROG filesystem show ${dev} | grep uuid: | \
> +                                                       awk '{print $NF}')

Please make the variable local.

Thanks.

> +               echo $fsid ;;
>         *)
>                 _short_dev $dev ;;
>         esac
> --
> 2.39.3
>





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