On Mon, Feb 26, 2024 at 06:31:31PM +1030, Qu Wenruo wrote: > > > 在 2024/2/26 16:58, Anand Jain 写道: > > On 2/26/24 09:32, Qu Wenruo wrote: > > > For "btrfs subvolume snapshot -i <qgroupid>", we only expect the target > > > qgroup to be a higher level one. > > > > > > Assigning a 0 level qgroup to another 0 level qgroup is only going to > > > cause confusion, and I'm planning to do extra sanity checks both in > > > kernel and btrfs-progs to reject such behavior. > > > > > > So change the test case to do regular higher level qgroup assignment > > > only. > > > > > > Signed-off-by: Qu Wenruo <wqu@xxxxxxxx> > > > > looks good. > > > > Reviewed-by: Anand Jain <anand.jain@xxxxxxxxxx> > > > > Applied to > > https://github.com/asj/fstests.git for-next > > Thanks for the review and merge, although I'd also like to get some feedback > from the original author, to make sure there are not some weird use case. It seems that this line intented to assign a qgroup for new snapshot same as subvolume. But I agree that 0 level qgroup doesn't make sense. This patch Looks good to me. Thanks for asking to me. Thanks, Sidong > > Thanks, > Qu > > > > Thanks, Anand > > > > > --- > > > tests/btrfs/224 | 6 +++--- > > > 1 file changed, 3 insertions(+), 3 deletions(-) > > > > > > diff --git a/tests/btrfs/224 b/tests/btrfs/224 > > > index de10942f..611df3ab 100755 > > > --- a/tests/btrfs/224 > > > +++ b/tests/btrfs/224 > > > @@ -67,7 +67,7 @@ assign_no_shared_test() > > > _check_scratch_fs > > > } > > > -# Test snapshot with assigning qgroup for submodule > > > +# Test snapshot with assigning qgroup for higher level qgroup > > > snapshot_test() > > > { > > > _scratch_mkfs > /dev/null 2>&1 > > > @@ -78,9 +78,9 @@ snapshot_test() > > > _qgroup_rescan $SCRATCH_MNT >> $seqres.full > > > $BTRFS_UTIL_PROG subvolume create $SCRATCH_MNT/a >> $seqres.full > > > + $BTRFS_UTIL_PROG qgroup create 1/0 $SCRATCH_MNT >> $seqres.full > > > _ddt of="$SCRATCH_MNT"/a/file1 bs=1M count=1 >> $seqres.full 2>&1 > > > - subvolid=$(_btrfs_get_subvolid $SCRATCH_MNT a) > > > - $BTRFS_UTIL_PROG subvolume snapshot -i 0/$subvolid > > > $SCRATCH_MNT/a $SCRATCH_MNT/b >> $seqres.full > > > + $BTRFS_UTIL_PROG subvolume snapshot -i 1/0 $SCRATCH_MNT/a > > > $SCRATCH_MNT/b >> $seqres.full > > > _scratch_unmount > > > _check_scratch_fs > >