Re: [RFC][PATCH 0/2] xfstests on ubifs

[Eric Biggers <ebiggers3@gmail.com>]

On Mon, Dec 19, 2016 at 08:12:07PM +0100, Richard Weinberger wrote:
> 
> > Note 2: since mkfs.ubifs doesn't support creating encryption-capable filesystems
> > yet (ubifs v5), to get the encryption tests to work I also had to hack
> > _scratch_mkfs_encrypted() to use ubirmvol/ubimkvol instead of mkfs.  I assume
> > that the ubifs developers are planning to update mkfs.ubifs.
> 
> You don't have to run mkfs.ubifs, just mount an empty UBI volume, UBIFS will auto-
> crate a encryption capable fs.

Yeah, that's what I ended up doing.  I didn't include it in the official patch
since it was a complete hack, but here's what I did.  Of course the real
solution would be to update mkfs.ubifs and then just use _scratch_mkfs:

diff --git a/common/encrypt b/common/encrypt
index f09104d..261a1f7 100644
--- a/common/encrypt
+++ b/common/encrypt
@@ -71,6 +71,11 @@ _scratch_mkfs_encrypted()
 	ext4|f2fs)
 		_scratch_mkfs -O encrypt
 		;;
+	ubifs)
+		local ubi=${SCRATCH_DEV%_0}
+		ubirmvol $ubi -N vol
+		ubimkvol $ubi -N vol -m
+		;;
 	*)
 		_notrun "No encryption support for $FSTYP"
 		;;