2019-05-31 10:12:27 +08:00
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#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2019 FUJITSU LIMITED. All rights reserved.
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#
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# FSQA Test No. 035
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#
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# Regression test for commit:
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# f96c3ac8dfc2 ("ext4: fix crash during online resizing")
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#
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# This case tests a loss s_first_data_block on ext4 when computing
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# maximum size with given number of group descriptor blocks. Filesystem
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# with non-zero s_first_data_block can happen that computed maximum size
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# lower than current size and leads to a BUG_ON in in ext4_alloc_group_tables()
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# hitting on flex_gd->count == 0.
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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_supported_fs ext4
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_require_scratch
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2019-06-09 22:42:54 -04:00
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_exclude_scratch_mount_option dax
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2019-05-31 10:12:27 +08:00
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_require_command "$RESIZE2FS_PROG" resize2fs
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rm -f $seqres.full
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$MKFS_EXT4_PROG -F -b 1024 -E "resize=262144" $SCRATCH_DEV 32768 >> $seqres.full 2>&1
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_scratch_mount
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echo "Resizing to 262145 blocks"
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$RESIZE2FS_PROG $SCRATCH_DEV 262145 >> $seqres.full 2>&1
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echo "Resizing to 300000 blocks"
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$RESIZE2FS_PROG $SCRATCH_DEV 300000 >> $seqres.full 2>&1
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# success, all done
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status=0
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exit
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