| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2016 Red Hat Inc. All Rights Reserved. |
| # |
| # 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 |
| # |
| . ./common/preamble |
| _begin_fstest auto quick |
| |
| # Override the default cleanup function. |
| _cleanup() |
| { |
| $UMOUNT_PROG $fs_mnt |
| _destroy_loop_device $loop_dev |
| cd / |
| rm -f $tmp.* |
| } |
| |
| # Import common functions. |
| . ./common/filter |
| |
| _require_scratch |
| _require_block_device $SCRATCH_DEV |
| _require_loop |
| _require_sparse_files |
| |
| # 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 -t $FSTYP $loop_dev $fs_mnt |
| if [ "$FSTYP" = "xfs" ]; then |
| # Turn off all XFS metadata IO error retries |
| dname=$(_short_dev $loop_dev) |
| echo 0 | tee /sys/fs/xfs/$dname/error/*/*/* > /dev/null |
| fi |
| $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 |
