| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2019 FUJITSU LIMITED. All rights reserved. |
| # |
| # FSQA Test No. 035 |
| # |
| # Regression test for commit: |
| # f96c3ac8dfc2 ("ext4: fix crash during online resizing") |
| # |
| # This case tests a loss s_first_data_block on ext4 when computing |
| # maximum size with given number of group descriptor blocks. Filesystem |
| # with non-zero s_first_data_block can happen that computed maximum size |
| # lower than current size and leads to a BUG_ON in in ext4_alloc_group_tables() |
| # hitting on flex_gd->count == 0. |
| # |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| cd / |
| rm -f $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| |
| # real QA test starts here |
| _supported_fs ext4 |
| _supported_os Linux |
| _require_scratch |
| _exclude_scratch_mount_option dax |
| _require_command "$RESIZE2FS_PROG" resize2fs |
| |
| rm -f $seqres.full |
| |
| $MKFS_EXT4_PROG -F -b 1024 -E "resize=262144" $SCRATCH_DEV 32768 >> $seqres.full 2>&1 |
| _scratch_mount |
| |
| echo "Resizing to 262145 blocks" |
| $RESIZE2FS_PROG $SCRATCH_DEV 262145 >> $seqres.full 2>&1 |
| |
| echo "Resizing to 300000 blocks" |
| $RESIZE2FS_PROG $SCRATCH_DEV 300000 >> $seqres.full 2>&1 |
| |
| # success, all done |
| status=0 |
| exit |