| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. |
| # |
| # FS QA Test No. 316 |
| # |
| # Reflink a file with a few dozen extents, CoW a few blocks, and rm. |
| # Force XFS into "two refcount updates per transaction" mode. |
| # |
| 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_fs xfs |
| _require_cp_reflink |
| _require_scratch_reflink |
| _require_error_injection |
| _require_xfs_io_command "fpunch" |
| _require_xfs_io_error_injection "refcount_continue_update" |
| |
| rm -f $seqres.full |
| |
| blksz=65536 |
| blks=64 |
| sz=$((blksz * blks)) |
| echo "Format filesystem" |
| _scratch_mkfs >/dev/null 2>&1 |
| _scratch_mount >> $seqres.full |
| |
| echo "Create files" |
| _pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full |
| _cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 |
| _cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3 |
| |
| # Punch holes in file3 |
| seq 1 2 $blks | while read off; do |
| $XFS_IO_PROG -c "fpunch $((off * blksz)) $blksz" $SCRATCH_MNT/file3 >> $seqres.full |
| done |
| sync |
| |
| echo "Check files" |
| md5sum $SCRATCH_MNT/file1 | _filter_scratch |
| md5sum $SCRATCH_MNT/file2 | _filter_scratch |
| md5sum $SCRATCH_MNT/file3 | _filter_scratch |
| |
| echo "Inject error" |
| _scratch_inject_error "refcount_continue_update" |
| |
| echo "CoW all the blocks" |
| $XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz 0 $((blks * blksz))" $SCRATCH_MNT/file2 >> $seqres.full |
| |
| 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 |
| md5sum $SCRATCH_MNT/file3 | _filter_scratch |
| |
| echo "Done" |
| |
| # success, all done |
| status=0 |
| exit |