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> and it does not use the scatch device. Adding this checks causes > it to fail for setups that do not use SCRATCH_DEV at all. > The test runs on the scsi_debug device but verifies whether the file system type supports shutdown via the scratch device. Since mainline Btrfs doesn't support shutdown yet, we see: --------------------------------- generic/730 3s ... [not run] btrfs does not support shutdown Ran: generic/730 --------------------------------- With the revert applied, the test case incorrectly runs and fails on Btrfs. --------------------------------- generic/730 3s ... - output mismatch (see /Volumes/work/ws/fstests/results//generic/730.out.bad) --- tests/generic/730.out 2025-07-01 17:41:30.991699629 +0800 +++ /Volumes/work/ws/fstests/results//generic/730.out.bad 2025-07-25 13:20:55.690043813 +0800 @@ -1,2 +1 @@ QA output created by 730 -cat: -: Input/output error ... (Run 'diff -u /Volumes/work/ws/fstests/tests/generic/730.out /Volumes/work/ws/fstests/results//generic/730.out.bad' to see the entire diff) Ran: generic/730 --------------------------------- Thanks. > Signed-off-by: Christoph Hellwig > --- > tests/generic/730 | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/tests/generic/730 b/tests/generic/730 > index 6b5d319675f7..6251980e33e1 100755 > --- a/tests/generic/730 > +++ b/tests/generic/730 > @@ -29,7 +29,6 @@ _require_scsi_debug > size=$(_small_fs_size_mb 256) > SCSI_DEBUG_DEV=`_get_scsi_debug_dev 512 512 0 $size` > test -b "$SCSI_DEBUG_DEV" || _notrun "Failed to initialize scsi debug device" > -SCRATCH_DEV=$SCSI_DEBUG_DEV _require_scratch_shutdown > echo "SCSI debug device $SCSI_DEBUG_DEV" >>$seqres.full > > run_check _mkfs_dev $SCSI_DEBUG_DEV