[2/4] generic: add test for dedupe on an active swapfile

Commit Message

Omar Sandoval May 16, 2018, 4:56 p.m. UTC

From: Omar Sandoval <[e-mail]>

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

Signed-off-by: Omar Sandoval <[e-mail]>
---
 tests/generic/488     | 78 +++++++++++++++++++++++++++++++++++++++++++
 tests/generic/488.out |  7 ++++
 tests/generic/group   |  1 +
 3 files changed, 86 insertions(+)
 create mode 100755 tests/generic/488
 create mode 100644 tests/generic/488.out

Patch

diff --git a/tests/generic/488 b/tests/generic/488
new file mode 100755
index 00000000..6e05048c
--- /dev/null
+++ b/tests/generic/488
@@ -0,0 +1,78 @@ 
+#! /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_dedupe
+
+echo "Format and mount"
+_scratch_mkfs > $seqres.full 2>&1
+_scratch_mount >> $seqres.full 2>&1
+
+testdir=$SCRATCH_MNT/test-$seq
+mkdir $testdir
+
+blocks=160
+blksz=65536
+
+echo "Initialize file"
+touch "$testdir/file1"
+chmod 0600 "$testdir/file1"
+chattr +C "$testdir/file1" >/dev/null 2>&1
+touch "$testdir/file2"
+chattr +C "$testdir/file2" >/dev/null 2>&1
+_pwrite_byte 0x61 0 $((blocks * blksz)) $testdir/file1 >> $seqres.full
+mkswap -U 27376b42-ff65-42ca-919f-6c9b62292a5c $testdir/file1 >> $seqres.full
+swapon $testdir/file1
+
+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 dc637c96..6266213e 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