| #! /bin/bash |
| # FS QA Test No. 315 |
| # |
| # Reflink a file with a few dozen extents and CoW a few blocks. |
| # Inject an error during extent freeing to test log recovery. |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2016, Oracle and/or its affiliates. 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() |
| { |
| cd / |
| _scratch_unmount > /dev/null 2>&1 |
| rm -rf $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/reflink |
| . ./common/inject |
| |
| # real QA test starts here |
| _supported_os Linux |
| _supported_fs xfs |
| _require_cp_reflink |
| _require_scratch_reflink |
| _require_error_injection |
| _require_xfs_io_command "cowextsize" |
| _require_xfs_io_error_injection "free_extent" |
| |
| rm -f $seqres.full |
| |
| blksz=65536 |
| blks=4 |
| sz=$((blksz * blks)) |
| echo "Format filesystem" |
| _scratch_mkfs >/dev/null 2>&1 |
| _scratch_mount >> $seqres.full |
| |
| $XFS_IO_PROG -c "cowextsize $sz" $SCRATCH_MNT |
| |
| echo "Create files" |
| _pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full |
| _pwrite_byte 0x66 $((sz / 2)) $((sz / 2)) $SCRATCH_MNT/file2 >> $seqres.full |
| _reflink_range $SCRATCH_MNT/file1 0 $SCRATCH_MNT/file2 0 $((sz / 2)) >> $seqres.full |
| sync |
| |
| echo "Check files" |
| md5sum $SCRATCH_MNT/file1 | _filter_scratch |
| md5sum $SCRATCH_MNT/file2 | _filter_scratch |
| |
| echo "Inject error" |
| _scratch_inject_error "free_extent" |
| |
| echo "CoW a few blocks" |
| $XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz 0 $sz" $SCRATCH_MNT/file1 >> $seqres.full 2>&1 |
| sync |
| |
| echo "FS should be shut down, touch will fail" |
| touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch |
| |
| echo "Remount to replay log" |
| _scratch_inject_logprint >> $seqres.full |
| |
| echo "FS should be online, touch should succeed" |
| touch $SCRATCH_MNT/goodfs |
| |
| echo "Check files again" |
| md5sum $SCRATCH_MNT/file1 | _filter_scratch |
| md5sum $SCRATCH_MNT/file2 | _filter_scratch |
| |
| echo "Done" |
| |
| # success, all done |
| status=0 |
| exit |