Xfstests/btrfs/308: add snapshot-aware defrag for partial extents testcases
diff mbox

Message ID 1372844780-31845-1-git-send-email-bo.li.liu@oracle.com
State Not Applicable
Headers show

Commit Message

Liu Bo July 3, 2013, 9:46 a.m. UTC
This is to test whether snapshot-aware defrag can work well on partial extents.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
---
 tests/btrfs/308     |   93 +++++++++++++++++++++++++++++++++++++++++++++++++++
 tests/btrfs/308.out |    2 +
 tests/btrfs/group   |    1 +
 3 files changed, 96 insertions(+), 0 deletions(-)
 create mode 100755 tests/btrfs/308
 create mode 100644 tests/btrfs/308.out

Comments

Ben Myers July 24, 2013, 11:29 p.m. UTC | #1
On Wed, Jul 03, 2013 at 05:46:20PM +0800, Liu Bo wrote:
> This is to test whether snapshot-aware defrag can work well on partial extents.
> 
> Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
> ---
>  tests/btrfs/308     |   93 +++++++++++++++++++++++++++++++++++++++++++++++++++
>  tests/btrfs/308.out |    2 +
>  tests/btrfs/group   |    1 +
>  3 files changed, 96 insertions(+), 0 deletions(-)
>  create mode 100755 tests/btrfs/308
>  create mode 100644 tests/btrfs/308.out
> 
> diff --git a/tests/btrfs/308 b/tests/btrfs/308
> new file mode 100755
> index 0000000..b3dd39c
> --- /dev/null
> +++ b/tests/btrfs/308
> @@ -0,0 +1,93 @@
> +#! /bin/bash
> +# BTRFS QA Test No. 308
> +#
> +# Test if snapshot-aware defrag can work well on partial extents, ie.
> +# extent_offset is not zero.
> +#
> +#-----------------------------------------------------------------------
> +# Copyright (c) 2013 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
> +
> +# real QA test starts here
> +
> +# Modify as appropriate.
> +_supported_fs generic

_supported_fs btrfs

Since this is btrfs specific, I think _supported_fs should be btrfs.

I didn't see anything obviously wrong with the rest of this, but I'd rather see
a review from a btrfs expert.

Reviewed-by: Ben Myers <bpm@sgi.com>
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Liu Bo July 25, 2013, 1:09 a.m. UTC | #2
On Wed, Jul 24, 2013 at 06:29:49PM -0500, Ben Myers wrote:
> On Wed, Jul 03, 2013 at 05:46:20PM +0800, Liu Bo wrote:
> > This is to test whether snapshot-aware defrag can work well on partial extents.
> > 
> > Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
> > ---
> >  tests/btrfs/308     |   93 +++++++++++++++++++++++++++++++++++++++++++++++++++
> >  tests/btrfs/308.out |    2 +
> >  tests/btrfs/group   |    1 +
> >  3 files changed, 96 insertions(+), 0 deletions(-)
> >  create mode 100755 tests/btrfs/308
> >  create mode 100644 tests/btrfs/308.out
> > 
> > diff --git a/tests/btrfs/308 b/tests/btrfs/308
> > new file mode 100755
> > index 0000000..b3dd39c
> > --- /dev/null
> > +++ b/tests/btrfs/308
> > @@ -0,0 +1,93 @@
> > +#! /bin/bash
> > +# BTRFS QA Test No. 308
> > +#
> > +# Test if snapshot-aware defrag can work well on partial extents, ie.
> > +# extent_offset is not zero.
> > +#
> > +#-----------------------------------------------------------------------
> > +# Copyright (c) 2013 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
> > +
> > +# real QA test starts here
> > +
> > +# Modify as appropriate.
> > +_supported_fs generic
> 
> _supported_fs btrfs
> 
> Since this is btrfs specific, I think _supported_fs should be btrfs.
> 
> I didn't see anything obviously wrong with the rest of this, but I'd rather see
> a review from a btrfs expert.
> 
> Reviewed-by: Ben Myers <bpm@sgi.com>

Oh yeah, it's right, I'll update it and resend, thanks.

-liubo
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Patch
diff mbox

diff --git a/tests/btrfs/308 b/tests/btrfs/308
new file mode 100755
index 0000000..b3dd39c
--- /dev/null
+++ b/tests/btrfs/308
@@ -0,0 +1,93 @@ 
+#! /bin/bash
+# BTRFS QA Test No. 308
+#
+# Test if snapshot-aware defrag can work well on partial extents, ie.
+# extent_offset is not zero.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2013 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
+
+# real QA test starts here
+
+# Modify as appropriate.
+_supported_fs generic
+_supported_os Linux
+_require_scratch
+_require_command "/usr/sbin/filefrag"
+
+rm -f $seqres.full
+
+_scratch_mkfs > /dev/null 2>&1
+_scratch_mount
+
+subvol=$SCRATCH_MNT/subvol
+
+$BTRFS_UTIL_PROG subvolume create $subvol >> $seqres.full
+
+for i in `seq 5 -1 1`
+do
+	dd if=/dev/zero of=$subvol/foobar bs=6k count=1 seek=$i conv=notrunc oflag=dsync 2>> $seqres.full
+done
+
+sync
+for i in `seq 2 -1 1`
+do
+	$BTRFS_UTIL_PROG subvolume snapshot $subvol $SCRATCH_MNT/snap-$i >> $seqres.full
+done
+
+$BTRFS_UTIL_PROG filesystem defrag $subvol/foobar && sync
+
+num_extent_orig=`filefrag $subvol/foobar | awk -F ' ' '{print $2}'`
+num_extent_snap1=`filefrag $SCRATCH_MNT/snap-1/foobar | awk -F ' ' '{print $2}'`
+num_extent_snap2=`filefrag $SCRATCH_MNT/snap-2/foobar | awk -F ' ' '{print $2}'`
+
+echo "$num_extent_orig $num_extent_snap1 $num_extent_snap2" >> $seqres.full
+
+# if error
+if [ "x$num_extent_snap1" != "x$num_extent_orig" -o "x$num_extent_snap2" != "x$num_extent_orig" ]; then
+	echo "number of extents mis-match!"
+	exit
+fi
+
+# optional stuff if your test has verbose output to help resolve problems
+#echo
+#echo "If failure, check $seqres.full (this) and $seqres.full.ok (reference)"
+
+# success, all done
+echo "done"
+status=0
+exit
diff --git a/tests/btrfs/308.out b/tests/btrfs/308.out
new file mode 100644
index 0000000..1f3de82
--- /dev/null
+++ b/tests/btrfs/308.out
@@ -0,0 +1,2 @@ 
+QA output created by 308
+done
diff --git a/tests/btrfs/group b/tests/btrfs/group
index bc6c256..666054b 100644
--- a/tests/btrfs/group
+++ b/tests/btrfs/group
@@ -9,3 +9,4 @@ 
 276 auto rw metadata
 284 auto
 307 auto quick
+308 auto quick