mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Darrick J. Wong
b0415daaa9
In XFS, mounting with quota always require a writable device. If the block device is read only, the mount fails, which fails this test. Since this is expected, work around this by simulating the golden output when we expect a mount failure. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
144 lines
3.7 KiB
Bash
Executable File
144 lines
3.7 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2009 Christoph Hellwig.
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#
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# FS QA Test No. 050
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#
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# Check out various mount/remount/unmount scenarious on a read-only blockdev.
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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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_cleanup()
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{
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cd /
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blockdev --setrw $SCRATCH_DEV
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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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 generic
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_supported_os Linux
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_require_scratch_nocheck
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_require_scratch_shutdown
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_require_local_device $SCRATCH_DEV
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_require_norecovery
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_scratch_mkfs >/dev/null 2>&1
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filter_ro_mount() {
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local arg=""
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if [ -n "$expect_mount_failure" ]; then
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arg="s|mount: $SCRATCH_MNT: permission denied|mount: device write-protected, mounting read-only|g"
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fi
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sed -e "$arg" | _filter_ro_mount
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}
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# Mounting with quota on XFS requires a writable fs, which means
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# we expect to fail the ro blockdev test with with EPERM.
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expect_mount_failure=
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if [ "$FSTYP" = "xfs" ] && echo "$MOUNT_OPTIONS" | grep -q quota ; then
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expect_mount_failure=1
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fi
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#
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# Mark the device read-only
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#
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echo "setting device read-only"
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blockdev --setro $SCRATCH_DEV
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#
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# Mount it, and make sure we can't write to it, and we can unmount it again
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#
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echo "mounting read-only block device:"
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_try_scratch_mount 2>&1 | filter_ro_mount
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if [ "${PIPESTATUS[0]}" -eq 0 ]; then
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echo "touching file on read-only filesystem (should fail)"
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touch $SCRATCH_MNT/foo 2>&1 | _filter_scratch
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#
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# Apparently this used to be broken at some point:
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# http://oss.sgi.com/bugzilla/show_bug.cgi?id=807
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#
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echo "unmounting read-only filesystem"
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_scratch_unmount 2>&1 | _filter_scratch
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elif [ -n "${expect_mount_failure}" ]; then
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# Mount failed, so simulate EROFS instead of scribbling on root fs
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echo "touching file on read-only filesystem (should fail)"
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echo "touch: cannot touch 'SCRATCH_MNT/foo': Read-only file system"
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echo "unmounting read-only filesystem"
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else
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echo "Mount failed, though it wasn't supposed to!"
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fi
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echo "setting device read-write"
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blockdev --setrw $SCRATCH_DEV
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echo "mounting read-write block device:"
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_try_scratch_mount 2>&1 | _filter_scratch
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echo "touch files"
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touch $SCRATCH_MNT/{0,1,2,3,4,5,6,7,8,9}{0,1,2,3,4,5,6,7,8,9}
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echo "going down:"
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src/godown -f $SCRATCH_MNT
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echo "unmounting shutdown filesystem:"
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_scratch_unmount 2>&1 | _filter_scratch
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echo "setting device read-only"
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blockdev --setro $SCRATCH_DEV
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#
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# Mounting a filesystem that requires log-recovery fails unless
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# -o norecovery is used.
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#
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echo "mounting filesystem that needs recovery on a read-only device:"
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_try_scratch_mount 2>&1 | _filter_ro_mount
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echo "unmounting read-only filesystem"
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_scratch_unmount 2>&1 | _filter_scratch | _filter_ending_dot
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#
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# This is the way out if the underlying device really is read-only.
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# Doesn't mean it's a good idea in practice, more a last resort
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# data recovery hack.
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#
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echo "mounting filesystem with -o norecovery on a read-only device:"
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_try_scratch_mount -o norecovery 2>&1 | filter_ro_mount
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if [ "${PIPESTATUS[0]}" -eq 0 ]; then
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echo "unmounting read-only filesystem"
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_scratch_unmount 2>&1 | _filter_scratch
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elif [ -n "${expect_mount_failure}" ]; then
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# Mount failed, simulate correct output
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echo "unmounting read-only filesystem"
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else
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echo "Mount failed, though it wasn't supposed to!"
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fi
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echo "setting device read-write"
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blockdev --setrw $SCRATCH_DEV
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#
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# But log recovery is performed when mount with -o ro as long as
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# the underlying device is not write protected.
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#
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echo "mounting filesystem that needs recovery with -o ro:"
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_try_scratch_mount -o ro 2>&1 | _filter_scratch
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# success, all done
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echo "*** done"
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rm -f $seqres.full
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status=0
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