2016-06-14 00:32:40 +08:00
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#! /bin/bash
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2018-06-09 11:35:42 +10:00
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2016 Red Hat Inc. All Rights Reserved.
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#
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2016-06-14 00:32:40 +08:00
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# FS QA Test 361
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#
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# Test remount on I/O errors.
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#
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# XFS had a bug to hang on remount in this case, this kernel commit fix
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# the issue.
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# 5cb13dc cancel the setfilesize transation when io error happen
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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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$UMOUNT_PROG $fs_mnt
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_destroy_loop_device $loop_dev
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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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rm -f $seqres.full
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# real QA test starts here
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_supported_fs generic
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_supported_os Linux
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_require_scratch
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2016-09-23 16:05:20 -04:00
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_require_block_device $SCRATCH_DEV
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2017-03-10 16:55:12 -08:00
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_require_loop
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2016-06-14 00:32:40 +08:00
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# create a small filesystem to hold another filesystem image
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_scratch_mkfs_sized $((512 * 1024 * 1024)) >>$seqres.full 2>&1
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_scratch_mount
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# create the sparse fs image and mount point
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fs_img=$SCRATCH_MNT/fs.img
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fs_mnt=$SCRATCH_MNT/mnt
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$XFS_IO_PROG -fc "truncate 1g" $fs_img >>$seqres.full 2>&1
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mkdir -p $fs_mnt
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# mount loop device and create a larger file to hit I/O errors on loop device
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loop_dev=$(_create_loop_device $fs_img)
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_mkfs_dev $loop_dev
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_mount $loop_dev $fs_mnt
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$XFS_IO_PROG -fc "pwrite 0 520m" $fs_mnt/testfile >>$seqres.full 2>&1
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# remount should not hang
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$MOUNT_PROG -o remount,ro $fs_mnt >>$seqres.full 2>&1
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# success, all done
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echo "Silence is golden"
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status=0
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exit
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