Test case to verify that a sprout device can be a seed device
Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
---
tests/btrfs/162 | 103 ++++++++++++++++++++++++++++++++++++++++++++++++++++
tests/btrfs/162.out | 9 +++++
tests/btrfs/group | 1 +
3 files changed, 113 insertions(+)
create mode 100755 tests/btrfs/162
create mode 100644 tests/btrfs/162.out
diff --git a/tests/btrfs/162 b/tests/btrfs/162
new file mode 100755
index 000000000000..fe63fb3ad704
--- /dev/null
+++ b/tests/btrfs/162
@@ -0,0 +1,103 @@
+#! /bin/bash
+# FS QA Test 162 nested seed device test
+#
+# Steps:
+# Create a seed device
+# Create a sprout device
+# Make the sprout device a seed device and create a sprout device again
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2018 Oracle. All Rights Reserved.
+# Author: Anand Jain <anand.jain@xxxxxxxxxx>
+#
+# 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.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/filter.btrfs
+
+# remove previous $seqres.full before test
+rm -f $seqres.full
+
+# real QA test starts here
+
+# Modify as appropriate.
+_supported_fs btrfs
+_supported_os Linux
+_require_scratch_dev_pool 3
+
+_scratch_dev_pool_get 3
+
+DEV_SEED=$(echo $SCRATCH_DEV_POOL | awk '{print $1}')
+DEV_SPROUT_SEED=$(echo $SCRATCH_DEV_POOL | awk '{print $2}')
+DEV_SPROUT=$(echo $SCRATCH_DEV_POOL | awk '{print $3}')
+
+create_seed()
+{
+ _mkfs_dev $DEV_SEED
+ run_check _mount $DEV_SEED $SCRATCH_MNT
+ $XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 256K" $SCRATCH_MNT/foobar >\
+ /dev/null
+ echo -- gloden --
+ od -x $SCRATCH_MNT/foobar
+ _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
+ _scratch_unmount
+ $BTRFS_TUNE_PROG -S 1 $DEV_SEED
+}
+
+create_sprout_seed()
+{
+ run_check _mount $DEV_SEED $SCRATCH_MNT
+ _run_btrfs_util_prog device add -f $DEV_SPROUT_SEED $SCRATCH_MNT
+ _scratch_unmount
+ $BTRFS_TUNE_PROG -S 1 $DEV_SPROUT_SEED
+}
+
+create_next_sprout()
+{
+ run_check _mount -o device=$DEV_SEED $DEV_SPROUT_SEED $SCRATCH_MNT
+ _run_btrfs_util_prog device add -f $DEV_SPROUT $SCRATCH_MNT
+ _scratch_unmount
+ run_check _mount -o device=$DEV_SEED,device=$DEV_SPROUT_SEED \
+ $DEV_SPROUT $SCRATCH_MNT
+ echo -- sprout --
+ od -x $SCRATCH_MNT/foobar
+}
+
+create_seed
+create_sprout_seed
+create_next_sprout
+
+_scratch_dev_pool_put
+
+status=0
+exit
diff --git a/tests/btrfs/162.out b/tests/btrfs/162.out
new file mode 100644
index 000000000000..ada7cc5507bd
--- /dev/null
+++ b/tests/btrfs/162.out
@@ -0,0 +1,9 @@
+QA output created by 162
+-- gloden --
+0000000 abab abab abab abab abab abab abab abab
+*
+1000000
+-- sprout --
+0000000 abab abab abab abab abab abab abab abab
+*
+1000000
diff --git a/tests/btrfs/group b/tests/btrfs/group
index fe83631f0f33..cdc8ad32036e 100644
--- a/tests/btrfs/group
+++ b/tests/btrfs/group
@@ -164,3 +164,4 @@
159 auto quick
160 auto quick
161 auto quick
+162 auto quick
--
2.7.0
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