| #! /bin/bash |
| # FS QA Test No. 327 |
| # |
| # Create 100 reflinked files, CoW them all, and see if xfs_repair will |
| # clear the reflink flag. There was a buffer handling bug in xfs_repair |
| # that (fortunately) triggered asserts in the rmap code when clearing |
| # the reflink flag. |
| # |
| #----------------------------------------------------------------------- |
| # 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 |
| |
| # real QA test starts here |
| _supported_os Linux |
| _supported_fs xfs |
| _require_cp_reflink |
| _require_scratch_reflink |
| |
| rm -f $seqres.full |
| |
| nr=128 # spanning at least one inode chunk tickles a bug in xfs_repair |
| echo "Format filesystem" |
| _scratch_mkfs >/dev/null 2>&1 |
| _scratch_mount >> $seqres.full |
| |
| echo "Create files" |
| _pwrite_byte 0x66 0 1 $SCRATCH_MNT/file.0 >> $seqres.full |
| seq 1 $nr | while read i; do |
| _cp_reflink $SCRATCH_MNT/file.0 $SCRATCH_MNT/file.$i |
| done |
| sync |
| |
| echo "Check files" |
| for i in 0 $((nr / 2)) $nr; do |
| md5sum $SCRATCH_MNT/file.$i | _filter_scratch |
| $XFS_IO_PROG -c 'lsattr -v' $SCRATCH_MNT/file.$i | _filter_scratch |
| done |
| |
| echo "CoW all files" |
| seq 1 $nr | while read i; do |
| echo m >> $SCRATCH_MNT/file.$i |
| done |
| |
| echo "Repair filesystem" |
| _scratch_unmount |
| _repair_scratch_fs >> $seqres.full |
| _scratch_mount |
| |
| echo "Check files again" |
| for i in 0 $((nr / 2)) $nr; do |
| md5sum $SCRATCH_MNT/file.$i | _filter_scratch |
| $XFS_IO_PROG -c 'lsattr -v' $SCRATCH_MNT/file.$i | _filter_scratch |
| done |
| |
| echo "Done" |
| |
| # success, all done |
| status=0 |
| exit |