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[Qemu-block] [PULL 11/33] qemu-iotests: Test qcow2 preallocation modes
From: |
Kevin Wolf |
Subject: |
[Qemu-block] [PULL 11/33] qemu-iotests: Test qcow2 preallocation modes |
Date: |
Fri, 8 Mar 2019 13:58:01 +0100 |
Signed-off-by: Kevin Wolf <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
tests/qemu-iotests/243 | 63 ++++++++++++++++++++++++++++++++++++++
tests/qemu-iotests/243.out | 26 ++++++++++++++++
tests/qemu-iotests/group | 1 +
3 files changed, 90 insertions(+)
create mode 100755 tests/qemu-iotests/243
create mode 100644 tests/qemu-iotests/243.out
diff --git a/tests/qemu-iotests/243 b/tests/qemu-iotests/243
new file mode 100755
index 0000000000..6a19919add
--- /dev/null
+++ b/tests/qemu-iotests/243
@@ -0,0 +1,63 @@
+#!/bin/bash
+#
+# Test qcow2 preallocation
+#
+# Copyright (C) 2019 Red Hat, Inc.
+#
+# 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 $seq"
+
+status=1 # failure is the default!
+
+_cleanup()
+{
+ _cleanup_test_img
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+_supported_fmt qcow2
+_supported_proto file
+_supported_os Linux
+
+for mode in off metadata falloc full; do
+
+ echo
+ echo "=== preallocation=$mode ==="
+ echo
+
+ IMGOPTS="preallocation=$mode" _make_test_img 64M
+
+ printf "File size: "
+ du -b $TEST_IMG | cut -f1
+
+ # Can't use precise numbers here because they differ between filesystems
+ printf "Disk usage: "
+ [ $(du -B1 $TEST_IMG | cut -f1) -lt 1048576 ] && echo "low" || echo "high"
+
+done
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0
diff --git a/tests/qemu-iotests/243.out b/tests/qemu-iotests/243.out
new file mode 100644
index 0000000000..e531753ad1
--- /dev/null
+++ b/tests/qemu-iotests/243.out
@@ -0,0 +1,26 @@
+QA output created by 243
+
+=== preallocation=off ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 preallocation=off
+File size: 196616
+Disk usage: low
+
+=== preallocation=metadata ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 preallocation=metadata
+File size: 67436544
+Disk usage: low
+
+=== preallocation=falloc ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 preallocation=falloc
+File size: 67436544
+Disk usage: high
+
+=== preallocation=full ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 preallocation=full
+File size: 67436544
+Disk usage: high
+*** done
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index b5ca63cf72..03aa93dbf5 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -241,3 +241,4 @@
239 rw auto quick
240 auto quick
242 rw auto quick
+243 rw auto quick
--
2.20.1
- [Qemu-block] [PULL 00/33] Block layer patches, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 01/33] iotests: use iotests.VM in 238, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 02/33] qcow2: Default to 4KB for the qcow2 cache entry size, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 03/33] iotests: open notrun files in text mode, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 05/33] iotests: ask QEMU for supported formats, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 04/33] block: iterate_format with account of whitelisting, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 07/33] tests/multiboot: Improve portability by searching bash in the $PATH, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 06/33] iotests: check whitelisted formats, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 13/33] qcow2: Extend spec for external data files, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 08/33] tests/bios-tables: Improve portability by searching bash in the $PATH, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 11/33] qemu-iotests: Test qcow2 preallocation modes,
Kevin Wolf <=
- [Qemu-block] [PULL 10/33] qemu-iotests: Ensure GNU sed is used, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 12/33] qcow2: Simplify preallocation code, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 09/33] qemu-iotests: Improve portability by searching bash in the $PATH, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 14/33] qcow2: Basic definitions for external data files, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 18/33] qcow2: Don't assume 0 is an invalid cluster offset, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 17/33] qcow2: Prepare count_contiguous_clusters() for external data file, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 19/33] qcow2: Return 0/-errno in qcow2_alloc_compressed_cluster_offset(), Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 20/33] qcow2: Prepare qcow2_co_block_status() for data file, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 21/33] qcow2: External file I/O, Kevin Wolf, 2019/03/08
- [Qemu-block] [PULL 15/33] qcow2: Pass bs to qcow2_get_cluster_type(), Kevin Wolf, 2019/03/08