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8268b7675c
qemu/tests/qemu-iotests
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Stefan Hajnoczi 8268b7675c qemu-iotests: add read/write from smaller backing image test 
Some image formats support backing images that are smaller than the
image file.  This patch adds a test that verifies that reads and writes
beyond the end of backing image work.

Unallocated reads beyond the end of the backing file should produce
zeroes.

Writes beyond the end of the backing file should copy-on-write using
zeroes.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2012-02-22 16:17:03 +01:00
..
.gitignore qemu-iotests: Initial import into the public repository. 2012-02-22 16:15:22 +01:00
001 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
001.out qemu-iotests: Initial import into the public repository. 2012-02-22 16:15:22 +01:00
002 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
002.out qemu-iotests: Initial import into the public repository. 2012-02-22 16:15:22 +01:00
003 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
003.out qemu-iotests: Initial import into the public repository. 2012-02-22 16:15:22 +01:00
004 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
004.out qemu-iotests: Initial import into the public repository. 2012-02-22 16:15:22 +01:00
005 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
005.out qemu-iotests: Initial import into the public repository. 2012-02-22 16:15:22 +01:00
006 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
006.out qemu-iotests: Initial import into the public repository. 2012-02-22 16:15:22 +01:00
007 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
007.out qemu-iotests: Initial import into the public repository. 2012-02-22 16:15:22 +01:00
008 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
008.out qemu-iotests: Initial import into the public repository. 2012-02-22 16:15:22 +01:00
009 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
009.out qemu-iotests: Initial import into the public repository. 2012-02-22 16:15:22 +01:00
010 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
010.out qemu-iotests: Initial import into the public repository. 2012-02-22 16:15:22 +01:00
011 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
011.out qemu-iotests: Initial import into the public repository. 2012-02-22 16:15:22 +01:00
012 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
012.out qemu-iotests: Initial import into the public repository. 2012-02-22 16:15:22 +01:00
013 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
013.out qemu-iotests: test larger clusters sizes on qcow2 2012-02-22 16:17:02 +01:00
014 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
014.out qemu-iotests: test larger clusters sizes on qcow2 2012-02-22 16:17:02 +01:00
015 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
015.out qemu-iotests: add test for refcount table growth and snapshots 2012-02-22 16:17:01 +01:00
016 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
016.out qemu-iotests: test I/O after EOF for growable files 2012-02-22 16:17:02 +01:00
017 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
017.out qemu-iotests: simple backing file test 2012-02-22 16:17:02 +01:00
018 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
018.out qemu-iotests: test merge of backing file when converting 2012-02-22 16:17:02 +01:00
019 qemu-iotests: improve test for qemu-img convert with backing file 2012-02-22 16:17:03 +01:00
019.out qemu-iotests: align test requests according to cluster size 2012-02-22 16:17:02 +01:00
020 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
020.out qemu-iotests: test commiting changes to backing file 2012-02-22 16:17:02 +01:00
021 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
021.out qemu-iotests: test invalid pattern argument handling in qemu-io 2012-02-22 16:17:02 +01:00
022 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
022.out qemu-iotests: test larger clusters sizes on qcow2 2012-02-22 16:17:02 +01:00
023 qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
023.out qemu-iotests: test larger clusters sizes on qcow2 2012-02-22 16:17:02 +01:00
024 qemu-iotests: improve rebase test 2012-02-22 16:17:03 +01:00
024.out qemu-iotests: improve rebase test 2012-02-22 16:17:03 +01:00
025 qemu-iotests: test bdrv_truncate 2012-02-22 16:17:03 +01:00
025.out qemu-iotests: test bdrv_truncate 2012-02-22 16:17:03 +01:00
026 qemu-iotests: qcow2 error path tests 2012-02-22 16:17:03 +01:00
026.out qemu-iotests: qcow2 error path tests 2012-02-22 16:17:03 +01:00
027 qemu-iotests: add sub-cluster allocating write test for sparse image formats 2012-02-22 16:17:03 +01:00
027.out qemu-iotests: add sub-cluster allocating write test for sparse image formats 2012-02-22 16:17:03 +01:00
028 qemu-iotests: add read/write from smaller backing image test 2012-02-22 16:17:03 +01:00
028.out qemu-iotests: add read/write from smaller backing image test 2012-02-22 16:17:03 +01:00
check qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
common qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
common.config qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
common.filter qemu-iotests: consider more cases in parsing qemu-io output 2012-02-22 16:17:03 +01:00
common.pattern qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
common.rc qemu-iotests: explicitly use bash interpreter 2012-02-22 16:17:03 +01:00
COPYING qemu-iotests: Initial import into the public repository. 2012-02-22 16:15:22 +01:00
group qemu-iotests: add read/write from smaller backing image test 2012-02-22 16:17:03 +01:00
Makefile qemu-iotests: Initial import into the public repository. 2012-02-22 16:15:22 +01:00
README qemu-iotests: Initial import into the public repository. 2012-02-22 16:15:22 +01:00

README 

=== This is the QEMU I/O test suite ===

* Intro

This package contains a simple test suite for the I/O layer of qemu.
It does not requite a guest, but only the qemu, qemu-img and qemu-io
binaries.  This does limit it to exercise the low-level I/O path only
but no actual block drivers like ide, scsi or virtio.

* Usage

Just run ./check to run all tests for the raw image format, or ./check
-qcow2 to test the qcow2 image format.  The output of ./check -h explains
additional options to test further image formats or I/O methods.

* Feedback and patches

Please send improvements to the test suite, general feedback or just
reports of failing tests cases to qemu-devel@savannah.nongnu.org.