4 # Regression testcase for d583fb87a3ff0 (ext4 extent corruption)
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25 owner=dmonakhov@openvz.org
28 echo "QA output created by $seq"
32 status=1 # failure is the default!
33 trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
35 # get standard environment, filters and checks
39 # real QA test starts here
45 _scratch_mkfs_sized $((128 * 1024 * 1024)) >> $seq.full 2>&1
47 # -onoload and EXT4_SYNC_FL on file is important becase result in
48 # metadata sync writes inside ext4_handle_dirty_metadata()
49 _scratch_mount -onoload
50 touch $SCRATCH_MNT/file
51 chattr +S $SCRATCH_MNT/file
53 for ((i = 0; i < 21; i++))
55 dd if=/dev/zero of=$SCRATCH_MNT/file bs=4k count=1 seek=$((i*10))
57 # truncate last extent
58 $XFS_IO_PROG -F -f -c "truncate $((4096*200))" $SCRATCH_MNT/file
60 if ! _scratch_unmount; then
61 echo "failed to umount"
65 echo "Check filesystem"