On Wed, May 31, 2017 at 09:08:17AM -0400, Jeff Layton wrote: > The writeback error handling test requires that you put the journal on a > separate device. This allows us to use dmerror to simulate data > writeback failure, without affecting the journal. > > xfs already has infrastructure for this (a'la $SCRATCH_LOGDEV), so wire > up the ext4 code so that it can do the same thing when _scratch_mkfs is > called. > > Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx> > Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > --- > common/rc | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/common/rc b/common/rc > index 743df427c047..391d36f373cd 100644 > --- a/common/rc > +++ b/common/rc > @@ -676,6 +676,9 @@ _scratch_mkfs_ext4() > local tmp=`mktemp` > local mkfs_status > > + [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \ > + $mkfs_cmd -O journal_dev $SCRATCH_LOGDEV && \ > + mkfs_cmd="$mkfs_cmd -J device=$SCRATCH_LOGDEV" Need $MKFS_OPTIONS too when creating journal device, otherwise mkfs will fail when making non-default block size ext4, i.e. journal device has 4k block size, but ext4 has 1k block size if we have MKFS_OPTIONS="-b 1024" Thanks, Eryu > > _scratch_do_mkfs "$mkfs_cmd" "$mkfs_filter" $* 2>$tmp.mkfserr 1>$tmp.mkfsstd > mkfs_status=$? > -- > 2.9.4 > > -- > To unsubscribe from this list: send the line "unsubscribe fstests" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html
