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[PATCH 4/8] xfstests: btrfs/016: a hole punching send test

To: <linux-btrfs@xxxxxxxxxxxxxxx>, <xfs@xxxxxxxxxxx>
Subject: [PATCH 4/8] xfstests: btrfs/016: a hole punching send test
From: Josef Bacik <jbacik@xxxxxxxxxxxx>
Date: Fri, 18 Oct 2013 14:26:26 -0400
Delivered-to: xfs@xxxxxxxxxxx
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/simple; d=fusionio.com; s=default; t=1382120798; bh=mVpXJaRICKNZ1rXPHs4a/8SqB0oAW3IT6ot8oNHBRFk=; h=From:To:Subject:Date:In-Reply-To:References; b=ZPGTUgfk6fJqEd+mQb0BA8N5BSOIRIRU6c8uc9z+tcNe1f2Z+Uwp8/Sm6F418a89C OtQogKA8fDRJteYlJUfK5Wym4THLR6H2OrreilSkEifRoMW/40M27+HWA6AVbJTNzW fZZe9eVgSmBILhNx+SoMymFWBDXOauVn9H0LEGIU=
In-reply-to: <1382120790-31060-1-git-send-email-jbacik@xxxxxxxxxxxx>
References: <1382120790-31060-1-git-send-email-jbacik@xxxxxxxxxxxx>
I recently added a patch to avoid sending holes with btrfs send, but I screwed
it up by not sending a hole when we did a hole punch.  This is an xfstest
version of the test I wrote to show that I had a bug and to verify I was fixing
it properly.  This test properly fails with my old patch and passes with my good
patch.  Thanks,

Signed-off-by: Josef Bacik <jbacik@xxxxxxxxxxxx>
---
 tests/btrfs/016     | 100 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 tests/btrfs/016.out |   2 ++
 tests/btrfs/group   |   1 +
 3 files changed, 103 insertions(+)
 create mode 100644 tests/btrfs/016
 create mode 100644 tests/btrfs/016.out

diff --git a/tests/btrfs/016 b/tests/btrfs/016
new file mode 100644
index 0000000..d711ecb
--- /dev/null
+++ b/tests/btrfs/016
@@ -0,0 +1,100 @@
+#! /bin/bash
+# FS QA Test No. btrfs/016
+#
+# btrfs send hole punch test
+#
+#-----------------------------------------------------------------------
+# 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 $seq"
+
+here=`pwd`
+tmp=`mktemp -d`
+tmp_dir=send_temp_$seq
+
+status=1       # failure is the default!
+
+_cleanup()
+{
+       $BTRFS_UTIL_PROG subvol del $TEST_DIR/$tmp_dir/snap > /dev/null 2>&1
+       $BTRFS_UTIL_PROG subvol del $TEST_DIR/$tmp_dir/snap1 > /dev/null 2>&1
+       $BTRFS_UTIL_PROG subvol del $TEST_DIR/$tmp_dir/send > /dev/null 2>&1
+       rm -rf $TEST_DIR/$tmp_dir
+       rm -f $tmp.*
+}
+
+trap "_cleanup ; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+
+# real QA test starts here
+_supported_fs btrfs
+_supported_os Linux
+_require_scratch
+
+FSSUM_PROG=$here/src/fssum
+[ -x $FSSUM_PROG ] || _notrun "fssum not built"
+
+_scratch_mkfs > /dev/null 2>&1
+
+#receive needs to be able to setxattrs, including the selinux context, if we 
use
+#the normal nfs context thing it screws up our ability to set the
+#security.selinux xattrs so we need to disable this for this test
+export SELINUX_MOUNT_OPTIONS=""
+
+_scratch_mount
+
+mkdir $TEST_DIR/$tmp_dir
+$BTRFS_UTIL_PROG subvol create $TEST_DIR/$tmp_dir/send \
+       > $seqres.full 2>&1 || _fail "failed subvol create"
+
+dd if=/dev/urandom of=$TEST_DIR/$tmp_dir/send/foo bs=1M count=10 >> 
$seqres.full \
+       2>&1 || _fail "dd failed"
+$BTRFS_UTIL_PROG subvol snap -r $TEST_DIR/$tmp_dir/send \
+       $TEST_DIR/$tmp_dir/snap >> $seqres.full 2>&1 || _fail "failed snap"
+$XFS_IO_PROG -c "fpunch 1m 1m" $TEST_DIR/$tmp_dir/send/foo
+$BTRFS_UTIL_PROG subvol snap -r $TEST_DIR/$tmp_dir/send \
+       $TEST_DIR/$tmp_dir/snap1 >> $seqres.full 2>&1 || _fail "failed snap"
+
+$FSSUM_PROG -A -f -w $tmp/fssum.snap $TEST_DIR/$tmp_dir/snap >> $seqres.full \
+       2>&1 || _fail "fssum gen failed"
+$FSSUM_PROG -A -f -w $tmp/fssum.snap1 $TEST_DIR/$tmp_dir/snap1 >> $seqres.full 
\
+       2>&1 || _fail "fssum gen failed"
+
+$BTRFS_UTIL_PROG send $TEST_DIR/$tmp_dir/snap -f $tmp/send.snap >> \
+       $seqres.full 2>&1 || _fail "failed send"
+$BTRFS_UTIL_PROG send $TEST_DIR/$tmp_dir/snap1 -p $TEST_DIR/$tmp_dir/snap \
+       -f $tmp/send.snap1 >> $seqres.full 2>&1 || _fail "failed send"
+
+$BTRFS_UTIL_PROG receive -f $tmp/send.snap $SCRATCH_MNT >> $seqres.full 2>&1 \
+       || _fail "failed recv"
+$BTRFS_UTIL_PROG receive -f $tmp/send.snap1 $SCRATCH_MNT >> $seqres.full 2>&1 \
+       || _fail "failed recv"
+
+$FSSUM_PROG -r $tmp/fssum.snap $SCRATCH_MNT/snap >> $seqres.full 2>&1 \
+       || _fail "fssum failed"
+$FSSUM_PROG -r $tmp/fssum.snap1 $SCRATCH_MNT/snap1 >> $seqres.full 2>&1 \
+       || _fail "fssum failed"
+
+echo "Silence is golden"
+status=0 ; exit
diff --git a/tests/btrfs/016.out b/tests/btrfs/016.out
new file mode 100644
index 0000000..aa2526b
--- /dev/null
+++ b/tests/btrfs/016.out
@@ -0,0 +1,2 @@
+QA output created by 016
+Silence is golden
diff --git a/tests/btrfs/group b/tests/btrfs/group
index a6f1820..082fd67 100644
--- a/tests/btrfs/group
+++ b/tests/btrfs/group
@@ -18,3 +18,4 @@
 013 auto quick
 014 auto
 015 auto quick
+016 auto quick
-- 
1.8.3.1

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