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[PATCH 3/3] Added test case 259 for the btrfs raid features

To: linux-fsdevel@xxxxxxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx
Subject: [PATCH 3/3] Added test case 259 for the btrfs raid features
From: Anand Jain <Anand.Jain@xxxxxxxxxx>
Date: Fri, 12 Aug 2011 04:01:33 +0800
Cc: Chris Mason <chris.mason@xxxxxxxxxx>
In-reply-to: <4E3BA2F7.4080500@xxxxxxxxxx>
References: <4E3BA2F7.4080500@xxxxxxxxxx>
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.15) Gecko/20110303 Lightning/1.0b2 Thunderbird/3.1.9
Added test case 259 for the btrfs raid features. SCRATCH_DEV_POOL must
be set to 2 or more disks.

Signed-off-by: Anand Jain <Anand.Jain@xxxxxxxxxx>
---
259 | 186 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 259.out   |    2 +
 common.rc |    6 ++
 group     |    1 +
 4 files changed, 195 insertions(+), 0 deletions(-)
 create mode 100755 259
 create mode 100644 259.out

diff --git a/259 b/259
new file mode 100755
index 0000000..b4ba403
--- /dev/null
+++ b/259
@@ -0,0 +1,186 @@
+#! /bin/bash
+# FS QA Test No. 259
+#
+# btrfs vol tests
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2011 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
+#-----------------------------------------------------------------------
+#
+# creator
+owner=anand.jain@xxxxxxxxxx
+
+seq=`basename $0`
+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
+
+_need_to_be_root
+_supported_fs btrfs
+_supported_os Linux
+_require_scratch
+_require_scratch_dev_pool
+_require_proc_scsi
+
+# arg 1 remove/add
+# arg 2 /dev/sdx or return of devmgt resply
+_devmgt()
+{
+       local x
+       local d
+
+       if [ $1 == "remove" ]; then
+               d=`echo $2|cut -d"/" -f3`
+               x=`ls -l /sys/class/block/${d} | cut -d "/" -f12 | sed 's/:/ 
/g'`
+ echo "scsi remove-single-device ${x}" > /proc/scsi/scsi || _fail "Remove disk failed"
+               DEVHTL=${x}
+       else
+ echo "scsi add-single-device ${2}" > /proc/scsi/scsi || _fail "Add disk failed"
+       fi
+}
+
+# Test cases related to raid in btrfs
+_test_raid0()
+{
+       export MKFS_OPTIONS="-m raid0 -d raid0"
+       _scratch_mkfs $SCRATCH_DEV_POOL > /dev/null 2>&1 || _fail "mkfs failed"
+       _scratch_mount
+       _fillfs 1 10 100 4096 8192 $SCRATCH_MNT
+       umount $SCRATCH_MNT
+}
+
+_test_raid1()
+{
+       export MKFS_OPTIONS="-m raid1 -d raid1"
+       _scratch_mkfs $SCRATCH_DEV_POOL > /dev/null 2>&1 || _fail "mkfs failed"
+       _scratch_mount
+       _fillfs 1 10 100 4096 8192 $SCRATCH_MNT
+       umount $SCRATCH_MNT
+}
+
+_test_raid10()
+{
+       export MKFS_OPTIONS="-m raid10 -d raid10"
+       _scratch_mkfs $SCRATCH_DEV_POOL > /dev/null 2>&1 || _fail "mkfs failed"
+       _scratch_mount
+       _fillfs 1 10 100 4096 8192 $SCRATCH_MNT
+       umount $SCRATCH_MNT
+}
+
+_test_single()
+{
+       export MKFS_OPTIONS="-m single -d single"
+       _scratch_mkfs $SCRATCH_DEV_POOL > /dev/null 2>&1 || _fail "mkfs failed"
+       _scratch_mount
+       _fillfs 1 10 100 4096 8192 $SCRATCH_MNT
+       umount $SCRATCH_MNT
+}
+
+_test_add()
+{
+       local i
+       local devs[]="( $SCRATCH_DEV_POOL )"
+       local n=${#devs[@]}
+
+       n=$(($n-1))
+
+       export MKFS_OPTIONS=""
+       _scratch_mkfs > /dev/null 2>&1 || _fail "mkfs failed"
+       _scratch_mount
+       _fillfs 1 10 100 4096 8192 $SCRATCH_MNT
+       for i in `seq 1 $n`
+       do
+ btrfs device add ${devs[$i]} $SCRATCH_MNT > /dev/null 2>&1 || _fail "device add failed"
+       done
+       btrfs filesystem balance $SCRATCH_MNT || _fail "balance failed"
+       #btrfs filesystem show $SCRATCH_DEV 2>&1 | egrep devid |awk '{
+       #       if ( $6 == "0.00" ) { exit 1 }
+       #}' || _fail "test6_add... failed"
+       umount $SCRATCH_MNT
+}
+
+_test_replace()
+{
+       local i
+       local x
+       local devs=( $SCRATCH_DEV_POOL )
+       local n=${#devs[@]}
+       local ds
+       local DEVHTL=""
+
+       # exclude the last disk in the disk pool
+       n=$(($n-1))
+       ds=${devs[@]:0:$n}
+
+       export MKFS_OPTIONS=""
+       _scratch_mkfs "$ds" > /dev/null 2>&1 || _fail "mkfs failed"
+       _scratch_mount
+       _fillfs 1 10 100 4096 8192 $SCRATCH_MNT
+
+       #pick the 2nd last disk
+       ds=${devs[@]:$(($n-1)):1}
+
+       #fail disk
+       _devmgt remove ${ds}
+
+ btrfs fi show $SCRATCH_DEV | grep "Some devices missing" > /dev/null || _fail \
+                                                       "btrfs did not report device 
missing"
+
+       # add a new disk to btrfs
+       ds=${devs[@]:$(($n)):1}
+ btrfs device add ${ds} $SCRATCH_MNT > /dev/null 2>&1 || _fail "dev add failed"
+
+       # cleaup. add the removed disk
+       umount $SCRATCH_MNT
+       _devmgt add "${DEVHTL}"
+}
+
+_test_remove()
+{
+       _scratch_mkfs "$SCRATCH_DEV_POOL" > /dev/null 2>&1 || _fail "mkfs 
failed"
+       _scratch_mount
+       _fillfs 1 10 100 4096 8192 $SCRATCH_MNT
+
+       # pick last dev in the list
+       dev_del=`echo ${SCRATCH_DEV_POOL} | awk '{print $NF}'`
+ btrfs device delete $dev_del $SCRATCH_MNT || _fail "btrfs device delete failed" + btrfs fi show $SCRATCH_DEV 2>&1 | grep $dev_del > /dev/null && _fail "btrfs still shows the deleted dev"
+       umount $SCRATCH_MNT
+}
+
+_test_raid0
+_test_raid1
+_test_raid10
+_test_single
+_test_add
+_test_replace
+_test_remove
+
+echo "Silence is golden"
+status=0; exit
diff --git a/259.out b/259.out
new file mode 100644
index 0000000..bfbd2de
--- /dev/null
+++ b/259.out
@@ -0,0 +1,2 @@
+QA output created by 259
+Silence is golden
diff --git a/common.rc b/common.rc
index db7c2dd..aa45a7e 100644
--- a/common.rc
+++ b/common.rc
@@ -1646,6 +1646,12 @@ _require_scratch_dev_pool()
        ;;
        esac
 }
+
+# we need this to test removing a dev from the system
+_require_proc_scsi()
+{
+       [ -e /proc/scsi/scsi ]  || _notrun "/proc/scsi/scsi is not present"
+}

################################################################################

 if [ "$iam" != new -a "$iam" != bench ]
diff --git a/group b/group
index 739f806..62eebfb 100644
--- a/group
+++ b/group
@@ -372,3 +372,4 @@ deprecated
 256 auto quick
 257 auto quick
 258 auto quick
+259 auto quick
--
1.7.1

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