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Max Reitz 1d3ba15acc iotests: Omit length/offset test in 040 and 041 
As of a follow-up patch to this one, the length of a mirror block job
will no longer directly depend on the size of the block device;
therefore, drop these checks from this test. Instead, just check whether
the final offset equals the block job length.

As 041 uses the wait_until_completed function from iotests.py, the same
applies there as well which in turn affects tests 030, 055 and 056. On
the other hand, a block job's length does not have to be related to the
length of the image file in the first place, so that check was
questionable anyway.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1414159063-25977-7-git-send-email-mreitz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-11-03 11:41:48 +00:00
..
sample_images
iotests: add v2 parallels sample image and simple test for it
2014-11-03 09:48:41 +00:00
.gitignore
.gitignore: ignore tests/qemu-iotests/socket_scm_helper
2013-10-01 16:06:07 +04:00
001
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
001.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
002
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
002.out
qemu-iotests: A few more bdrv_pread/pwrite tests
2013-04-15 08:26:18 +02:00
003
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
003.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
004
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
004.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
005
qemu-iotests: Don't run 005 on vmdk split formats
2014-02-14 18:05:39 +01:00
005.out
iotests: fix error in 005
2012-04-19 15:48:52 +02:00
006
qemu-iotests: add support for rbd and sheepdog protocols
2012-02-23 10:29:46 +01:00
006.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
007
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
007.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
008
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
008.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
009
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
009.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
010
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
010.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
011
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
011.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
012
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
012.out
qemu-io: correctly print non-integer values as decimals
2012-05-10 10:32:12 +02:00
013
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
013.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
014
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
014.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
015
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
015.out
qemu-iotests: Always filter cluster_size out in _make_test_img
2012-04-19 15:48:52 +02:00
016
qemu-iotests: enable test 016 and 025 to work with NFS protocol
2014-02-09 09:12:38 +01:00
016.out
qemu-io: correctly print non-integer values as decimals
2012-05-10 10:32:12 +02:00
017
qemu-iotests: Add _unsupported_imgopts for vmdk subformats
2014-01-22 12:07:16 +01:00
017.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
018
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
018.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
019
block: qemu-iotests: make test 019 and 086 work with spaced pathnames
2014-04-29 16:19:37 +02:00
019.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
020
qemu-iotests: blacklist test 020 for NFS protocol
2014-02-09 09:12:38 +01:00
020.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
021
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
021.out
qemu-iotests: test invalid pattern argument handling in qemu-io
2012-02-22 16:17:02 +01:00
022
qemu-iotests: add support for rbd and sheepdog protocols
2012-02-23 10:29:46 +01:00
022.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
023
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
023.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
024
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
024.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
025
qemu-iotests: Run 025 for Archipelago block driver
2014-09-10 10:41:29 +02:00
025.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
026
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
026.out
qcow2: Don't rely on free_cluster_index in alloc_refcount_block() (CVE-2014-0147)
2014-04-01 15:21:03 +02:00
026.out.nocache
qemu-iotests: Correct 026 output
2013-10-07 13:23:19 +02:00
027
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
027.out
qemu-io: correctly print non-integer values as decimals
2012-05-10 10:32:12 +02:00
028
qemu-iotests: Fix 028 reference output for qed
2014-08-20 11:51:28 +02:00
028.out
qemu-iotests: Fix 028 reference output for qed
2014-08-20 11:51:28 +02:00
029
qcow2: Fix L1 allocation size in qcow2_snapshot_load_tmp() (CVE-2014-0145)
2014-04-01 15:22:35 +02:00
029.out
qcow2: Fix L1 allocation size in qcow2_snapshot_load_tmp() (CVE-2014-0145)
2014-04-01 15:22:35 +02:00
030
qemu-iotests: Fix blkdebug in VM drive in 030
2014-05-19 11:36:49 +02:00
030.out
qemu-iotests: add tests for streaming error handling
2012-09-28 19:40:56 +02:00
031
iotests: Use $PYTHON for Python scripts
2014-06-27 20:00:00 +02:00
031.out
qcow2: Add corrupt bit
2013-08-30 15:48:43 +02:00
032
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
032.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
033
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
033.out
qemu-io: correctly print non-integer values as decimals
2012-05-10 10:32:12 +02:00
034
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
034.out
qemu-iotests: Test backing file COW with zero clusters
2012-04-20 15:57:30 +02:00
035
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
035.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
036
qcow2: Fix error path for unknown incompatible features
2014-07-18 13:12:15 +01:00
036.out
qcow2: Fix error path for unknown incompatible features
2014-07-18 13:12:15 +01:00
037
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
037.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
038
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
038.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
039
iotests: Use $PYTHON for Python scripts
2014-06-27 20:00:00 +02:00
039.out
iotests: Fix test outputs
2014-10-23 15:34:01 +02:00
040
iotests: Omit length/offset test in 040 and 041
2014-11-03 11:41:48 +00:00
040.out
qemu-iotests: Test BLOCK_JOB_READY event for 0Kb image active commit
2014-06-26 13:51:00 +02:00
041
iotests: Omit length/offset test in 040 and 041
2014-11-03 11:41:48 +00:00
041.out
mirror: Fix qiov size for short requests
2014-07-07 09:15:29 +02:00
042
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
042.out
qemu-iotests: Test qemu-img operation on zero size image
2012-10-24 10:26:18 +02:00
043
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
043.out
qemu-iotests: Add 043 backing file chain infinite loop test
2012-10-24 10:26:19 +02:00
044
qemu-iotests: qcow2: Test growing large refcount table
2012-11-14 18:19:21 +01:00
044.out
qcow2: Don't rely on free_cluster_index in alloc_refcount_block() (CVE-2014-0147)
2014-04-01 15:21:03 +02:00
045
qemu-iotests: add tests for runtime fd passing via SCM rights
2013-09-12 10:12:47 +02:00
045.out
qemu-iotests: add tests for runtime fd passing via SCM rights
2013-09-12 10:12:47 +02:00
046
qcow2: Set zero flag for discarded clusters
2014-02-21 21:02:21 +01:00
046.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
047
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
047.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
048
qemu-iotests: Split qcow2 only cases in 048
2013-12-04 14:31:39 +01:00
048.out
qemu-iotests: Split qcow2 only cases in 048
2013-12-04 14:31:39 +01:00
049
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
049.out
qapi: introduce PreallocMode and new PreallocModes full and falloc.
2014-09-12 15:43:06 +02:00
050
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
050.out
qemu-iotests: add tests for rebasing zero clusters
2013-03-15 16:07:51 +01:00
051
block: Catch simultaneous usage of options and their aliases
2014-09-25 15:24:14 +02:00
051.out
block: Catch simultaneous usage of options and their aliases
2014-09-25 15:24:14 +02:00
052
qemu-iotests: Fix supported cache modes for 052
2014-10-03 10:30:33 +01:00
052.out
qemu-iotests: add 052 BDRV_O_SNAPSHOT test
2013-03-19 11:48:37 +01:00
053
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
053.out
qemu-iotests: add 053 unaligned compressed image size test
2013-04-22 11:37:12 +02:00
054
iotests: Use $PYTHON for Python scripts
2014-06-27 20:00:00 +02:00
054.out
qemu-iotests: Adjustments due to error propagation
2013-09-12 10:12:48 +02:00
055
qemu-iotests: Make test case 030, 040 and 055 deterministic
2013-11-29 13:40:37 +01:00
055.out
Add tests for sync modes 'TOP' and 'NONE'
2013-07-26 22:01:31 +02:00
056
qemu-iotests: Improve and make use of QMPTestCase.wait_until_completed()
2014-04-25 18:05:05 +02:00
056.out
Add tests for sync modes 'TOP' and 'NONE'
2013-07-26 22:01:31 +02:00
057
qemu-iotests: add 057 internal snapshot for block device test case
2013-09-12 10:12:47 +02:00
057.out
qemu-iotests: add 057 internal snapshot for block device test case
2013-09-12 10:12:47 +02:00
058
qemu-iotests: add test for snapshot in qemu-img convert
2013-12-04 15:19:00 +01:00
058.out
qemu-iotests: add test for snapshot in qemu-img convert
2013-12-04 15:19:00 +01:00
059
qemu-iotests: Add data pattern in version3 VMDK sample image in 059
2014-08-15 15:07:13 +02:00
059.out
qemu-iotests: Add data pattern in version3 VMDK sample image in 059
2014-08-15 15:07:13 +02:00
060
iotests: qemu-img info output for corrupt image
2014-10-04 19:18:17 +01:00
060.out
iotests: Fix test outputs
2014-10-23 15:34:01 +02:00
061
iotests: Use $PYTHON for Python scripts
2014-06-27 20:00:00 +02:00
061.out
iotests: Fix test outputs
2014-10-23 15:34:01 +02:00
062
qemu-iotests: Snapshotting zero clusters
2013-08-30 15:28:52 +02:00
062.out
qemu-iotests: Snapshotting zero clusters
2013-08-30 15:28:52 +02:00
063
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
063.out
add qemu-img convert -n option (skip target volume creation)
2013-09-06 15:25:07 +02:00
064
block: qemu-iotests for vhdx, add write test support
2013-11-07 13:58:59 +01:00
064.out
block: qemu-iotests for vhdx, add write test support
2013-11-07 13:58:59 +01:00
065
qapi: Add corrupt field to ImageInfoSpecificQCow2
2014-10-04 19:18:17 +01:00
065.out
qemu-iotests: Additional info from qemu-img info
2013-10-11 16:49:50 +02:00
066
qemu-iotests: Discard preallocated zero clusters
2013-10-11 16:49:59 +02:00
066.out
qemu-iotests: Discard preallocated zero clusters
2013-10-11 16:49:59 +02:00
067
qemu-iotests: Filter out actual image size in 067
2013-11-07 13:53:30 +01:00
067.out
qapi: Add corrupt field to ImageInfoSpecificQCow2
2014-10-04 19:18:17 +01:00
068
qemu-iotests: Test for loading VM state from qcow2
2013-10-25 11:08:20 +02:00
068.out
qemu-iotests: Test for loading VM state from qcow2
2013-10-25 11:08:20 +02:00
069
block: delete cow block driver
2014-09-22 11:39:45 +01:00
069.out
block: Print its file name if backing file opening failed
2013-11-14 13:09:06 +01:00
070
iotests: Use _img_info
2014-10-04 19:18:17 +01:00
070.out
iotests: Use _img_info
2014-10-04 19:18:17 +01:00
071
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
071.out
iotests: Test new blkdebug/blkverify interface
2014-01-22 12:07:18 +01:00
072
block: delete cow block driver
2014-09-22 11:39:45 +01:00
072.out
iotests: Test file format nesting
2014-01-22 12:07:18 +01:00
073
qemu-iotests: Test qcow2 count_contiguous_clusters()
2013-11-15 13:37:43 +01:00
073.out
qemu-iotests: Test qcow2 count_contiguous_clusters()
2013-11-15 13:37:43 +01:00
074
qemu-iotests: Split qcow2 only cases in 048
2013-12-04 14:31:39 +01:00
074.out
qemu-iotests: Split qcow2 only cases in 048
2013-12-04 14:31:39 +01:00
075
block: qemu-iotests change _supported_proto to file once more.
2014-10-23 15:34:01 +02:00
075.out
block/cloop: fix offsets[] size off-by-one
2014-04-01 13:59:47 +02:00
076
iotests: add v2 parallels sample image and simple test for it
2014-11-03 09:48:41 +00:00
076.out
iotests: add v2 parallels sample image and simple test for it
2014-11-03 09:48:41 +00:00
077
qemu-iotest: Make 077 raw-only
2014-02-09 09:12:38 +01:00
077.out
qemu-iotests: Test pwritev RMW logic
2014-01-24 17:40:25 +01:00
078
block: qemu-iotests change _supported_proto to file once more.
2014-10-23 15:34:01 +02:00
078.out
bochs: Fix catalog size check
2014-04-11 13:59:49 +02:00
079
block: qemu-iotests change _supported_proto to file once more.
2014-10-23 15:34:01 +02:00
079.out
qemu-iotests: add test for qcow2 preallocation with different cluster sizes
2014-02-09 09:12:39 +01:00
080
block: qemu-iotests change _supported_proto to file once more.
2014-10-23 15:34:01 +02:00
080.out
qcow2: Check maximum L1 size in qcow2_snapshot_load_tmp() (CVE-2014-0143)
2014-04-01 15:22:35 +02:00
081
block: qemu-iotests change _supported_proto to file once more.
2014-10-23 15:34:01 +02:00
081.out
quorum: Add the rewrite-corrupted parameter to quorum
2014-06-27 14:18:17 +02:00
082
block: qemu-iotests change _supported_proto to file once more.
2014-10-23 15:34:01 +02:00
082.out
qapi: Add corrupt field to ImageInfoSpecificQCow2
2014-10-04 19:18:17 +01:00
083
iotests: Fix 083 for out-of-tree builds
2014-06-27 20:00:01 +02:00
083.out
qemu-iotests: add 083 NBD client disconnect tests
2014-03-14 16:29:02 +01:00
084
block: qemu-iotests change _supported_proto to file once more.
2014-10-23 15:34:01 +02:00
084.out
block: iotest - update 084 to test static VDI image creation
2014-08-15 15:07:15 +02:00
085
block: qemu-iotests - update 085 to use common.qemu
2014-05-09 20:57:32 +02:00
085.out
block: qemu-iotests 085 - live snapshots tests
2014-03-07 11:36:12 +01:00
086
block: qemu-iotests change _supported_proto to file once more.
2014-10-23 15:34:01 +02:00
086.out
qemu-iotests: Test progress output for conversion
2014-03-05 15:58:32 +01:00
087
qemu-iotests: Test missing "driver" key for blockdev-add
2014-09-26 13:14:11 -04:00
087.out
Merge remote-tracking branch 'remotes/qmp-unstable/queue/qmp' into staging
2014-09-29 18:18:29 +01:00
088
block: qemu-iotests change _supported_proto to file once more.
2014-10-23 15:34:01 +02:00
088.out
vpc: Validate block size (CVE-2014-0142)
2014-04-01 13:59:47 +02:00
089
iotests: Use _img_info in test 089
2014-05-28 14:28:46 +02:00
089.out
qapi: Add corrupt field to ImageInfoSpecificQCow2
2014-10-04 19:18:17 +01:00
090
block: qemu-iotests change _supported_proto to file once more.
2014-10-23 15:34:01 +02:00
090.out
iotests: Discarding compressed clusters on qcow2
2014-04-29 16:39:51 +02:00
091
qemu-iotests: Handle cache mode option in 091
2014-05-28 14:22:25 +02:00
091.out
block: qemu-iotests - test for live migration
2014-05-09 20:57:32 +02:00
092
block: qemu-iotests change _supported_proto to file once more.
2014-10-23 15:34:01 +02:00
092.out
qcow1: Stricter backing file length check
2014-05-19 11:36:49 +02:00
095
iotests: Use _img_info
2014-10-04 19:18:17 +01:00
095.out
iotests: Use _img_info
2014-10-04 19:18:17 +01:00
099
block: delete cow block driver
2014-09-22 11:39:45 +01:00
099.out
iotests: Add test for image filename construction
2014-08-20 14:33:42 +02:00
100
qemu-iotests: add multiwrite test cases
2014-08-29 14:10:15 +01:00
100.out
qemu-iotests: add multiwrite test cases
2014-08-29 14:10:15 +01:00
101
qemu-iotests: add test case 101 for short file I/O
2014-08-22 11:01:12 +02:00
101.out
qemu-iotests: add test case 101 for short file I/O
2014-08-22 11:01:12 +02:00
102
iotests: Add test for external image truncation
2014-11-03 11:41:47 +00:00
102.out
iotests: Add test for external image truncation
2014-11-03 11:41:47 +00:00
103
block: qemu-iotests change _supported_proto to file once more.
2014-10-23 15:34:01 +02:00
103.out
iotests: Add test for qcow2's cache options
2014-08-20 11:51:28 +02:00
104
block: round up file size to nearest sector
2014-09-12 15:43:06 +02:00
104.out
block: round up file size to nearest sector
2014-09-12 15:43:06 +02:00
105
vmdk: Fix integer overflow in offset calculation
2014-10-03 10:30:33 +01:00
105.out
vmdk: Fix integer overflow in offset calculation
2014-10-03 10:30:33 +01:00
107
iotests: Add test for qcow2 L1 table update
2014-10-23 15:34:02 +02:00
107.out
iotests: Add test for qcow2 L1 table update
2014-10-23 15:34:02 +02:00
108
iotests: Add test for potentially damaging repairs
2014-10-23 15:34:01 +02:00
108.out
iotests: Add test for potentially damaging repairs
2014-10-23 15:34:01 +02:00
check
iotests: Use $PYTHON for Python scripts
2014-06-27 20:00:00 +02:00
common
qemu-iotests: Fail test if explicit test case number is unknown
2014-09-25 15:25:20 +02:00
common.config
iotests: Allow out-of-tree run
2014-06-27 20:00:00 +02:00
common.filter
block: round up file size to nearest sector
2014-09-12 15:43:06 +02:00
common.pattern
block: qemu-iotests, add quotes to $TEST_IMG usage io pattern tests
2013-11-07 13:53:31 +01:00
common.qemu
Fix new typos (found by codespell)
2014-06-24 20:01:24 +04:00
common.rc
qemu-iotests: Fix 028 reference output for qed
2014-08-20 11:51:28 +02:00
COPYING
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
group
iotests: Add test for qcow2 L1 table update
2014-10-23 15:34:02 +02:00
iotests.py
iotests: Omit length/offset test in 040 and 041
2014-11-03 11:41:48 +00:00
Makefile
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
nbd-fault-injector.py
tests: add nbd-fault-injector.py utility
2014-03-14 16:28:28 +01:00
qcow2.py
qcow2: Fix error path for unknown incompatible features
2014-07-18 13:12:15 +01:00
qed.py
qemu-iotests: add qed.py image manipulation utility
2012-08-06 22:39:14 +02:00
README
qemu-iotests: README: Fix spelling
2012-02-23 10:29:46 +01:00
socket_scm_helper.c
iotests: Send the correct fd in socket_scm_helper
2014-09-12 10:27:54 +02:00

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 require 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.