[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v2][qemu-iotests] test bdrv_truncate()
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PATCH v2][qemu-iotests] test bdrv_truncate() |
Date: |
Mon, 26 Apr 2010 11:13:31 +0100 |
This patch adds an image resize grow test to ensure that existing data
is not lost during grow and new space is zeroed.
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
v2:
* Check length before and after truncate operation on opened image
025 | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
025.out | 27 ++++++++++++++++++++++
group | 1 +
3 files changed, 105 insertions(+), 0 deletions(-)
create mode 100755 025
create mode 100644 025.out
diff --git a/025 b/025
new file mode 100755
index 0000000..6af1e46
--- /dev/null
+++ b/025
@@ -0,0 +1,77 @@
+#!/bin/bash
+#
+# Resizing images
+#
+# Copyright (C) 2010 IBM, Corp.
+#
+# 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; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will 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, see <http://www.gnu.org/licenses/>.
+#
+
+# creator
address@hidden
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1 # failure is the default!
+
+_cleanup()
+{
+ _cleanup_test_img
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+. ./common.pattern
+
+_supported_fmt raw qcow2
+_supported_os Linux
+
+echo "=== Creating image"
+echo
+small_size=$((128 * 1024 * 1024))
+big_size=$((384 * 1024 * 1024))
+_make_test_img $small_size
+
+echo
+echo "=== Writing whole image"
+io_pattern write 0 $small_size 0 1 0xc5
+_check_test_img
+
+echo
+echo "=== Resizing image"
+$QEMU_IO $TEST_IMG <<EOF
+length
+truncate $big_size
+length
+EOF
+_check_test_img
+
+echo
+echo "=== Verifying image size after reopen"
+$QEMU_IO -c "length" $TEST_IMG
+
+echo
+echo "=== Verifying resized image"
+io_pattern read 0 $small_size 0 1 0xc5
+io_pattern read $small_size $(($big_size - $small_size)) 0 1 0
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0
diff --git a/025.out b/025.out
new file mode 100644
index 0000000..d245727
--- /dev/null
+++ b/025.out
@@ -0,0 +1,27 @@
+QA output created by 025
+=== Creating image
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
+
+=== Writing whole image
+=== IO: pattern 0xc5
+qemu-io> wrote 134217728/134217728 bytes at offset 0
+128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+qemu-io> No errors were found on the image.
+
+=== Resizing image
+qemu-io> 128 MiB
+qemu-io> qemu-io> 384 MiB
+qemu-io> No errors were found on the image.
+
+=== Verifying image size after reopen
+384 MiB
+
+=== Verifying resized image
+=== IO: pattern 0xc5
+qemu-io> read 134217728/134217728 bytes at offset 0
+128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+qemu-io> === IO: pattern 0
+qemu-io> read 268435456/268435456 bytes at offset 134217728
+256 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+qemu-io> *** done
diff --git a/group b/group
index b4b3b40..3c0e630 100644
--- a/group
+++ b/group
@@ -31,3 +31,4 @@
022 rw snapshot auto
023 rw auto
024 rw backing auto
+025 rw auto
--
1.7.0
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- [Qemu-devel] [PATCH v2][qemu-iotests] test bdrv_truncate(),
Stefan Hajnoczi <=