new file mode 100755
@@ -0,0 +1,112 @@
+#! /bin/bash
+# FS QA Test 163
+#
+# Test case to verify that a seed device can be replaced
+# Create a seed device
+# Create a sprout device
+# Remount RW
+# Run device replace on the seed device
+#-----------------------------------------------------------------------
+# Copyright (c) 2018 Oracle. 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.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/filter.btrfs
+
+# remove previous $seqres.full before test
+rm -f $seqres.full
+
+# real QA test starts here
+
+# Modify as appropriate.
+_supported_fs btrfs
+_supported_os Linux
+_require_command "$BTRFS_TUNE_PROG" btrfstune
+_require_scratch_dev_pool 3
+
+_scratch_dev_pool_get 3
+
+dev_seed=$(echo $SCRATCH_DEV_POOL | awk '{print $1}')
+dev_sprout=$(echo $SCRATCH_DEV_POOL | awk '{print $2}')
+dev_replace_tgt=$(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
+ run_check _mount $dev_seed $SCRATCH_MNT
+}
+
+add_sprout()
+{
+ _run_btrfs_util_prog device add -f $dev_sprout $SCRATCH_MNT
+ _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
+}
+
+replace_seed()
+{
+ _run_btrfs_util_prog replace start -fB $dev_seed $dev_replace_tgt $SCRATCH_MNT
+ _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
+ _scratch_unmount
+ run_check _mount $dev_replace_tgt $SCRATCH_MNT
+ echo -- sprout --
+ od -x $SCRATCH_MNT/foobar
+ _scratch_unmount
+
+}
+
+seed_is_mountable()
+{
+ run_check _mount $dev_seed $SCRATCH_MNT
+ _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
+ _scratch_unmount
+}
+
+create_seed
+add_sprout
+replace_seed
+
+seed_is_mountable
+
+_scratch_dev_pool_put
+
+status=0
+exit
new file mode 100644
@@ -0,0 +1,9 @@
+QA output created by 163
+-- gloden --
+0000000 abab abab abab abab abab abab abab abab
+*
+1000000
+-- sprout --
+0000000 abab abab abab abab abab abab abab abab
+*
+1000000
@@ -165,3 +165,4 @@
160 auto quick
161 auto quick
162 auto quick
+163 auto quick
Test case to verify that a seed device can be replaced Signed-off-by: Anand Jain <anand.jain@oracle.com> --- v2->v3: New line for the test subject Drop author name add _require_command "$BTRFS_TUNE_PROG" btrfstune rename to small letters for the local variables v2: Born tests/btrfs/163 | 112 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/163.out | 9 +++++ tests/btrfs/group | 1 + 3 files changed, 122 insertions(+) create mode 100755 tests/btrfs/163 create mode 100644 tests/btrfs/163.out