| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2018 Red Hat, Inc. All Rights Reserved. |
| # |
| # FS QA Test 492 |
| # |
| # Test the online filesystem label set/get ioctls |
| # |
| . ./common/preamble |
| _begin_fstest auto quick |
| |
| # Import common functions. |
| . ./common/filter |
| |
| # real QA test starts here |
| |
| _supported_fs generic |
| _require_scratch |
| _require_xfs_io_command "label" |
| _require_label_get_max |
| |
| _scratch_mkfs > $seqres.full 2>&1 |
| _scratch_mount |
| |
| # Make sure we can set & clear the label |
| $XFS_IO_PROG -c "label -s label.$seq" $SCRATCH_MNT |
| $XFS_IO_PROG -c "label" $SCRATCH_MNT |
| |
| $XFS_IO_PROG -c "label -c" $SCRATCH_MNT |
| $XFS_IO_PROG -c "label" $SCRATCH_MNT |
| |
| # And that userspace can see it now, while mounted |
| # NB: some blkid has trailing whitespace, filter it out here |
| $XFS_IO_PROG -c "label -s label.$seq" $SCRATCH_MNT |
| $XFS_IO_PROG -c "label" $SCRATCH_MNT |
| blkid -s LABEL $SCRATCH_DEV | _filter_scratch | sed -e "s/ $//g" |
| |
| # And that the it is still there when it's unmounted |
| _scratch_unmount |
| blkid -s LABEL $SCRATCH_DEV | _filter_scratch | sed -e "s/ $//g" |
| |
| # And that it persists after a remount |
| _scratch_mount |
| $XFS_IO_PROG -c "label" $SCRATCH_MNT |
| |
| # And that a too-long label is rejected, beyond the interface max: |
| fs_label=$(perl -e "print 'l' x 257;") |
| $XFS_IO_PROG -c "label -s $fs_label" $SCRATCH_MNT |
| |
| # And it succeeds right at the filesystem max: |
| max_label_len=$(_label_get_max) |
| fs_label=$(perl -e "print 'o' x $max_label_len;") |
| $XFS_IO_PROG -c "label -s $fs_label" $SCRATCH_MNT | sed -e 's/o\+/MAXLABEL/' |
| |
| # And that it fails past the filesystem max: |
| let toolong_label_len=max_label_len+1 |
| fs_label=$(perl -e "print 'o' x $toolong_label_len;") |
| $XFS_IO_PROG -c "label -s $fs_label " $SCRATCH_MNT |
| |
| # success, all done |
| status=0 |
| exit |