| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2021 RedHat All Rights Reserved. |
| # |
| # FS QA Test No. 646 |
| # |
| # Testcase for kernel commit: |
| # 50d25484bebe xfs: sync lazy sb accounting on quiesce of read-only mounts |
| # |
| # After shutdown and readonly mount, a following read-write mount would |
| # get wrong number of available blocks. This is caused by unmounting the log |
| # on a readonly filesystem doesn't log the sb counters. |
| # |
| . ./common/preamble |
| _begin_fstest auto quick recoveryloop shutdown |
| |
| # real QA test starts here |
| |
| _require_scratch |
| _require_scratch_shutdown |
| _scratch_mkfs > $seqres.full 2>&1 |
| |
| _scratch_mount |
| [ "$FSTYP" == "xfs" ] && _xfs_force_bdev data $SCRATCH_MNT |
| |
| echo Testing > $SCRATCH_MNT/testfile |
| |
| # -f is required to reproduce the original issue |
| _scratch_shutdown -f |
| |
| _scratch_cycle_mount ro |
| _scratch_cycle_mount |
| |
| # These two mounts should have the log fully recovered. Exit here and let the |
| # fsck operation of xfstests to check the consistence of the tested filesystem. |
| # On the buggy kernel, this testcase reports filesystem is inconsistent. |
| # On the fixed kernel, testcase pass. |
| |
| # success, all done |
| echo "Silence is golden" |
| status=0 |
| exit |
