[v3,3/5] generic: add test for dedupe on an active swapfile

Commit Message

Omar Sandoval May 22, 2018, 11:33 p.m. UTC

From: Omar Sandoval <[e-mail]>

Similar to the reflink test generic/356, but makes sure we can't dedupe
an active swapfile.

Signed-off-by: Omar Sandoval <[e-mail]>
---
 tests/generic/492     | 76 +++++++++++++++++++++++++++++++++++++++++++
 tests/generic/492.out |  7 ++++
 tests/generic/group   |  1 +
 3 files changed, 84 insertions(+)
 create mode 100755 tests/generic/492
 create mode 100644 tests/generic/492.out

Patch

diff --git a/tests/generic/492 b/tests/generic/492
new file mode 100755
index 00000000..54a2553d
--- /dev/null
+++ b/tests/generic/492
@@ -0,0 +1,76 @@ 
+#! /bin/bash
+# FS QA Test 492
+#
+# 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/492.out b/tests/generic/492.out
new file mode 100644
index 00000000..e1f3cc69
--- /dev/null
+++ b/tests/generic/492.out
@@ -0,0 +1,7 @@ 
+QA output created by 492
+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 111e42e7..dc5adf04 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -494,3 +494,4 @@ 
 489 auto quick attr
 490 auto quick rw
 491 auto quick freeze mount
+492 auto quick swap