| #! /bin/bash |
| # FS QA Test 361 |
| # |
| # Test remount on I/O errors. |
| # |
| # XFS had a bug to hang on remount in this case, this kernel commit fix |
| # the issue. |
| # 5cb13dc cancel the setfilesize transation when io error happen |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2016 Red Hat Inc. All Rights Reserved. |
| # |
| # This program is free software; you can redistribute it and/or |
| # modify it under the terms of the GNU General Public License as |
| # published by the Free Software Foundation. |
| # |
| # This program is distributed in the hope that it would be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program; if not, write the Free Software Foundation, |
| # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| #----------------------------------------------------------------------- |
| # |
| |
| 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() |
| { |
| $UMOUNT_PROG $fs_mnt |
| _destroy_loop_device $loop_dev |
| cd / |
| rm -f $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| |
| rm -f $seqres.full |
| |
| # real QA test starts here |
| _supported_fs generic |
| _supported_os Linux |
| _require_scratch |
| _require_block_device $SCRATCH_DEV |
| _require_loop |
| |
| # create a small filesystem to hold another filesystem image |
| _scratch_mkfs_sized $((512 * 1024 * 1024)) >>$seqres.full 2>&1 |
| _scratch_mount |
| |
| # create the sparse fs image and mount point |
| fs_img=$SCRATCH_MNT/fs.img |
| fs_mnt=$SCRATCH_MNT/mnt |
| $XFS_IO_PROG -fc "truncate 1g" $fs_img >>$seqres.full 2>&1 |
| mkdir -p $fs_mnt |
| |
| # mount loop device and create a larger file to hit I/O errors on loop device |
| loop_dev=$(_create_loop_device $fs_img) |
| _mkfs_dev $loop_dev |
| _mount $loop_dev $fs_mnt |
| $XFS_IO_PROG -fc "pwrite 0 520m" $fs_mnt/testfile >>$seqres.full 2>&1 |
| |
| # remount should not hang |
| $MOUNT_PROG -o remount,ro $fs_mnt >>$seqres.full 2>&1 |
| |
| # success, all done |
| echo "Silence is golden" |
| status=0 |
| exit |