Re: [PATCH] fstests: btrfs/224: do not assign snapshot to a subvolume qgroup

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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, 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





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