| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2018 Red Hat Inc. All Rights Reserved. |
| # |
| # FS QA Test generic/559 |
| # |
| # Dedupe a single big file and verify integrity |
| # |
| . ./common/preamble |
| _begin_fstest auto stress dedupe |
| |
| # Import common functions. |
| . ./common/filter |
| . ./common/reflink |
| |
| # real QA test starts here |
| _supported_fs generic |
| _require_scratch_duperemove |
| |
| fssize=$((2 * 1024 * 1024 * 1024)) |
| _scratch_mkfs_sized $fssize > $seqres.full 2>&1 |
| _scratch_mount >> $seqres.full 2>&1 |
| |
| # fill the fs with a big file has same contents |
| $XFS_IO_PROG -f -c "pwrite -S 0x55 0 $fssize" $SCRATCH_MNT/${seq}.file \ |
| >> $seqres.full 2>&1 |
| md5sum $SCRATCH_MNT/${seq}.file > ${tmp}.md5sum |
| |
| echo "= before cycle mount =" |
| # Dedupe with 1M blocksize |
| $DUPEREMOVE_PROG -dr --dedupe-options=same -b 1048576 $SCRATCH_MNT/ >>$seqres.full 2>&1 |
| # Verify integrity |
| md5sum -c --quiet ${tmp}.md5sum |
| # Dedupe with 64k blocksize |
| $DUPEREMOVE_PROG -dr --dedupe-options=same -b 65536 $SCRATCH_MNT/ >>$seqres.full 2>&1 |
| # Verify integrity again |
| md5sum -c --quiet ${tmp}.md5sum |
| |
| # umount and mount again, verify pagecache contents don't mutate |
| _scratch_cycle_mount |
| echo "= after cycle mount =" |
| md5sum -c --quiet ${tmp}.md5sum |
| |
| status=0 |
| exit |
