We had a regression where you couldn't snapshot a file system if you mounted it
ro and then remounted it rw. This is a test that does just that to make sure we
don't have this problem again. I ran the test without the fix and it blew up,
and then applied the fix and verified that it passed. Thanks,
Reviewed-by: Stefan Behrens <sbehrens@xxxxxxxxxxxxxxxx>
Signed-off-by: Josef Bacik <jbacik@xxxxxxxxxxxx>
---
tests/btrfs/017 | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++
tests/btrfs/017.out | 2 ++
tests/btrfs/group | 1 +
3 files changed, 64 insertions(+)
create mode 100644 tests/btrfs/017
create mode 100644 tests/btrfs/017.out
diff --git a/tests/btrfs/017 b/tests/btrfs/017
new file mode 100644
index 0000000..d45f32a
--- /dev/null
+++ b/tests/btrfs/017
@@ -0,0 +1,61 @@
+#! /bin/bash
+# FS QA Test No. btrfs/017
+#
+# Regression test to make sure we can create a snapshot after mounting with
+# readonly and remounting rw.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2013 Fusion IO. 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!
+
+_cleanup()
+{
+ rm -f $tmp.*
+}
+
+trap "_cleanup ; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+
+# real QA test starts here
+_supported_fs btrfs
+_supported_os Linux
+_require_scratch
+
+rm -f $seqres.full
+
+_scratch_mkfs > /dev/null 2>&1
+_scratch_mount -o ro
+_scratch_mount -o rw,remount
+
+$BTRFS_UTIL_PROG sub snap $SCRATCH_MNT $SCRATCH_MNT/snap >> $seqres.full 2>&1 \
+ || _fail "couldn't create snapshot"
+
+echo "Silence is golden"
+status=0 ; exit
diff --git a/tests/btrfs/017.out b/tests/btrfs/017.out
new file mode 100644
index 0000000..8222844
--- /dev/null
+++ b/tests/btrfs/017.out
@@ -0,0 +1,2 @@
+QA output created by 017
+Silence is golden
diff --git a/tests/btrfs/group b/tests/btrfs/group
index 082fd67..be9476d 100644
--- a/tests/btrfs/group
+++ b/tests/btrfs/group
@@ -19,3 +19,4 @@
014 auto
015 auto quick
016 auto quick
+017 auto quick
--
1.8.3.1
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