Re: [PATCH v7 04/11] fstests: add _require_unique_f_fsid() helper
Anand Suveer Jain <[email protected]>
| Newsgroups | org.kernel.vger.linux-ext4,net.sourceforge.lists.linux-f2fs-devel,org.kernel.vger.fstests,org.kernel.vger.linux-btrfs,org.kernel.vger.linux-xfs |
|---|---|
| Message-ID | <[email protected]> |
> _require_unique_fsid(
> {
> case "$FSTYP" in
> ext*)
> # Ext4 derives f_fsid from the superblock UUID, meaning
> # clones share the same f_fsid until their UUIDs
> # diverge.
> _notrun "Target filesystem ($FSTYP) does not guarantee unique f_fsid on clones."
> ;;
> *)
> # Conversely, XFS, Btrfs, and F2FS ensure f_fsid remains
> # unique per filesystem instance (often by deriving it
> # from the UUID and underlying block device.)
> ;;
> fi
esac
> }
>
> --D
>
Yeah sure, suggestions applied.
Thanks, Anand