[PATCH v2 3/5] generic: add test for dedupe on an active swapfile

Omar Sandoval
2018-05-16T20:38:59Z

Similar to generic/356 that makes sure we can't reflink an active
swapfile.

Signed-off-by: Omar Sandoval <osandov@fb.com>
---
tests/generic/488 | 76 +++++++++++++++++++++++++++++++++++++++++++
tests/generic/488.out | 7 ++++
tests/generic/group | 1 +
3 files changed, 84 insertions(+)
create mode 100755 tests/generic/488
create mode 100644 tests/generic/488.out

diff --git a/tests/generic/488 b/tests/generic/488
new file mode 100755
index 00000000..39fc887c
--- /dev/null
+++ b/tests/generic/488
@@ -0,0 +1,76 @@
+#! /bin/bash
+# FS QA Test 488
+#
+# Check that we can't dedupe a swapfile.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2018 Facebook. 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 /
+ rm -f $tmp.*
+}
+
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+rm -f $seqres.full
+
+_supported_fs generic
+_supported_os Linux
+_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
diff --git a/tests/generic/488.out b/tests/generic/488.out
new file mode 100644
index 00000000..e5a195d1
--- /dev/null
+++ b/tests/generic/488.out
@@ -0,0 +1,7 @@
+QA output created by 488
+Format and mount
+Initialize file
+Try to dedupe
+XFS_IOC_FILE_EXTENT_SAME: Text file busy
+XFS_IOC_FILE_EXTENT_SAME: Text file busy
+Tear it down
diff --git a/tests/generic/group b/tests/generic/group
index cded10f8..1f504ce1 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -490,3 +490,4 @@
485 auto quick insert
486 auto quick attr
487 auto quick
+488 auto quick swap
--
2.17.0