| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2018 Facebook. All Rights Reserved. |
| # |
| # FS QA Test 493 |
| # |
| # Check that we can't dedupe a swapfile. |
| # |
| 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 / |
| rm -f $tmp.* |
| } |
| |
| . ./common/rc |
| . ./common/filter |
| . ./common/reflink |
| |
| rm -f $seqres.full |
| |
| _supported_fs generic |
| _require_scratch_swapfile |
| _require_scratch_dedupe |
| |
| echo "Format and mount" |
| _scratch_mkfs > $seqres.full 2>&1 |
| _scratch_mount >> $seqres.full 2>&1 |
| |
| testdir="$SCRATCH_MNT/test-$seq" |
| mkdir "$testdir" |
| |
| blocks=160 |
| blksz=65536 |
| |
| echo "Initialize file" |
| _format_swapfile "$testdir/file1" $((blocks * blksz)) |
| swapon "$testdir/file1" |
| |
| touch "$testdir/file2" |
| $CHATTR_PROG +C "$testdir/file2" >/dev/null 2>&1 |
| |
| echo "Try to dedupe" |
| cp "$testdir/file1" "$testdir/file2" |
| _dedupe_range "$testdir/file1" 0 "$testdir/file2" 0 $((blocks * blksz)) |
| _dedupe_range "$testdir/file2" 0 "$testdir/file1" 0 $((blocks * blksz)) |
| |
| echo "Tear it down" |
| swapoff "$testdir/file1" |
| |
| status=0 |
| exit |