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Eric Blake ebb718a5c7 qcow2: Catch more unaligned write_zero into zero cluster 
is_zero_cluster() and is_zero_cluster_top_locked() are used only
by qcow2_co_write_zeroes().  The former is too broad (we don't
care if the sectors we are about to overwrite are non-zero, only
that all other sectors in the cluster are zero), so it needs to
be called up to twice but with smaller limits - rename it along
with adding the neeeded parameter.  The latter can be inlined for
more compact code.

The testsuite change shows that we now have a sparser top file
when an unaligned write_zeroes overwrites the only portion of
the backing file with data.

Based on a patch proposal by Denis V. Lunev.

CC: Denis V. Lunev <den@openvz.org>
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-06-08 10:21:08 +02:00
..
sample_images
block/vpc: tests for auto-detecting VPC and Hyper-V VHD images
2016-03-14 16:46:42 +01:00
.gitignore
gitignore: Track common.env in iotests gitignore
2015-03-10 08:15:34 +03:00
001
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
001.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
002
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
002.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
003
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
003.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
004
block: enable testing of LUKS driver with block I/O tests
2016-05-12 15:33:24 +02:00
004.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
005
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
005.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
007
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
007.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
008
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
008.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
009
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
009.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
010
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
010.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
011
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
011.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
012
block: enable testing of LUKS driver with block I/O tests
2016-05-12 15:33:24 +02:00
012.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
013
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
013.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
014
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
014.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
015
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
015.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
017
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
017.out
opts: produce valid command line in qemu_opts_print
2015-09-11 10:21:38 +03:00
018
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
018.out
iotests: 018: Use TEST_IMG override instead of "mv"
2016-01-07 21:30:17 +01:00
019
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
019.out
iotests: 019: Use TEST_IMG override instead of "mv"
2016-01-07 21:30:17 +01:00
020
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
020.out
iotests: 020: Use TEST_IMG override instead of "mv"
2016-01-07 21:30:17 +01:00
021
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
021.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
022
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
022.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
023
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
023.out
qemu-io: Allow unaligned access by default
2016-05-12 15:33:24 +02:00
024
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
024.out
iotests: 024: Use TEST_IMG override instead of "mv"
2016-01-07 21:30:17 +01:00
025
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
025.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
026
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
026.out
blkdebug: Avoid '.' in enum values
2015-12-17 08:21:27 +01:00
026.out.nocache
iotests: fix the broken 026.nocache output
2016-04-12 18:06:51 +02:00
027
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
027.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
028
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
028.out
qemu-iotests: Reduce racy output in 028
2016-01-20 13:36:23 +01:00
029
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
029.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
030
qemu-iotests: add no-op streaming test
2016-03-28 13:56:44 -04:00
030.out
qemu-iotests: add no-op streaming test
2016-03-28 13:56:44 -04:00
031
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
031.out
qcow2: Write full header on image creation
2016-01-20 13:36:23 +01:00
032
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
032.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
033
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
033.out
block: Fix blk_aio_write_zeroes()
2016-04-15 17:22:11 +02:00
034
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
034.out
iotests: 034: Use TEST_IMG override instead of "mv"
2016-01-07 21:30:17 +01:00
035
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
035.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
036
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
036.out
qapi: Drop QERR_UNKNOWN_BLOCK_FORMAT_FEATURE
2016-03-17 15:47:56 +01:00
037
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
037.out
iotests: 037: Use TEST_IMG override instead of "mv"
2016-01-07 21:30:17 +01:00
038
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
038.out
iotests: 038: Use TEST_IMG override instead of "mv"
2016-01-07 21:30:17 +01:00
039
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
039.out
block: add support for --image-opts in block I/O tests
2016-05-12 15:33:24 +02:00
040
qemu-iotests: Test the reopening of overlay_bs in 'block-commit'
2015-11-11 16:25:47 +01:00
040.out
qemu-iotests: Test the reopening of overlay_bs in 'block-commit'
2015-11-11 16:25:47 +01:00
041
mirror: Allow target that already has a BlockBackend
2016-05-25 19:04:21 +02:00
041.out
mirror: Allow target that already has a BlockBackend
2016-05-25 19:04:21 +02:00
042
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
042.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
043
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
043.out
block/qapi: always report full_backing_filename
2015-12-18 14:36:17 +01:00
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
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
046.out
opts: produce valid command line in qemu_opts_print
2015-09-11 10:21:38 +03:00
047
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
047.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
048
block: enable testing of LUKS driver with block I/O tests
2016-05-12 15:33:24 +02:00
048.out
block: enable testing of LUKS driver with block I/O tests
2016-05-12 15:33:24 +02:00
049
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
049.out
block: move encryption deprecation warning into qcow code
2016-03-30 12:12:15 +02:00
050
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
050.out
iotests: 050: Use TEST_IMG override instead of "mv"
2016-01-07 21:30:17 +01:00
051
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
051.out
qemu-iotests: fix 051 on non-PC architectures
2016-04-12 18:07:39 +02:00
051.pc.out
block: Remove BDRV_O_CACHE_WB
2016-03-30 12:16:03 +02:00
052
block: enable testing of LUKS driver with block I/O tests
2016-05-12 15:33:24 +02:00
052.out
block: enable testing of LUKS driver with block I/O tests
2016-05-12 15:33:24 +02:00
053
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
053.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
054
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
054.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
055
iotests: Respect -nodefaults in tests 41 and 55
2015-09-04 20:59:48 +02:00
055.out
qemu-iotests: Test blockdev-backup in 055
2015-01-13 11:47:56 +00:00
056
iotests: Add regresion test case for write notifier assertion failure
2015-12-03 11:08:07 +08:00
056.out
iotests: Add regresion test case for write notifier assertion failure
2015-12-03 11:08:07 +08:00
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: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
058.out
qemu-iotests: add test for snapshot in qemu-img convert
2013-12-04 15:19:00 +01:00
059
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
059.out
iotests: Add "qemu-img map" test for VMDK extents
2016-02-02 17:50:48 +01:00
060
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
060.out
qemu-io qemu-nbd: Use error_report() etc. instead of fprintf()
2016-01-13 15:16:18 +01:00
061
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
061.out
block: add support for --image-opts in block I/O tests
2016-05-12 15:33:24 +02:00
062
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
062.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
063
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
063.out
add qemu-img convert -n option (skip target volume creation)
2013-09-06 15:25:07 +02:00
064
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
064.out
iotests: Lower 064's memory usage
2015-01-23 12:41:32 -05:00
065
qcow2: Add refcount_bits to format-specific info
2015-03-10 14:02:20 +01:00
065.out
qemu-iotests: Additional info from qemu-img info
2013-10-11 16:49:50 +02:00
066
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
066.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
067
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
067.out
qemu-iotests: 067: ignore QMP events
2016-02-22 16:54:14 +01:00
068
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
068.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
069
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
069.out
qemu-io qemu-nbd: Use error_report() etc. instead of fprintf()
2016-01-13 15:16:18 +01:00
070
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
070.out
vhdx: Fix "log that needs to be replayed" error message
2016-01-13 15:16:18 +01:00
071
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
071.out
iotests: Only create BB if necessary
2015-10-23 18:18:22 +02:00
072
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
072.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
073
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
073.out
opts: produce valid command line in qemu_opts_print
2015-09-11 10:21:38 +03:00
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
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
075.out
qemu-io qemu-nbd: Use error_report() etc. instead of fprintf()
2016-01-13 15:16:18 +01:00
076
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
076.out
qemu-io qemu-nbd: Use error_report() etc. instead of fprintf()
2016-01-13 15:16:18 +01:00
077
block/io: optimize bdrv_co_pwritev for small requests
2016-06-07 14:40:51 +01:00
077.out
block/io: optimize bdrv_co_pwritev for small requests
2016-06-07 14:40:51 +01:00
078
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
078.out
qemu-io qemu-nbd: Use error_report() etc. instead of fprintf()
2016-01-13 15:16:18 +01:00
079
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
079.out
opts: produce valid command line in qemu_opts_print
2015-09-11 10:21:38 +03:00
080
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
080.out
qemu-io qemu-nbd: Use error_report() etc. instead of fprintf()
2016-01-13 15:16:18 +01:00
081
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
081.out
iotests: Correct 081's reference output
2016-03-14 17:35:06 +01:00
082
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
082.out
opts: produce valid command line in qemu_opts_print
2015-09-11 10:21:38 +03:00
083
iotests: fix the redirection order in 083
2016-05-12 15:33:23 +02:00
083.out
iotests: Make _filter_nbd drop log lines
2016-02-02 17:49:42 +01:00
084
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
084.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
085
block: test 'blockdev-snapshot' using a file BDS as the overlay
2015-11-11 16:25:48 +01:00
085.out
block: test 'blockdev-snapshot' using a file BDS as the overlay
2015-11-11 16:25:48 +01:00
086
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
086.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
087
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
087.out
block: move encryption deprecation warning into qcow code
2016-03-30 12:12:15 +02:00
088
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
088.out
qemu-io qemu-nbd: Use error_report() etc. instead of fprintf()
2016-01-13 15:16:18 +01:00
089
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
089.out
qcow2: Add refcount_bits to format-specific info
2015-03-10 14:02:20 +01:00
090
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
090.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
091
qemu-iotests: Handle cache mode option in 091
2014-05-28 14:22:25 +02:00
091.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
092
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
092.out
qemu-io qemu-nbd: Use error_report() etc. instead of fprintf()
2016-01-13 15:16:18 +01:00
093
qemu-iotests: Extend iotest 093 to test bursts
2016-02-22 14:08:06 +01:00
093.out
qemu-iotests: Extend iotest 093 to test bursts
2016-02-22 14:08:06 +01:00
094
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
094.out
iotests: Add test for drive-mirror with NBD target
2015-02-16 14:36:03 +00:00
095
iotests: 095: Filter _img_info output
2016-01-07 21:30:17 +01:00
095.out
iotests: 095: Filter _img_info output
2016-01-07 21:30:17 +01:00
096
block: Don't return throttling info in query-named-block-nodes
2016-05-19 16:45:31 +02:00
096.out
throttle: test that snapshots move the throttling configuration
2015-10-16 15:34:29 +02:00
097
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
097.out
opts: produce valid command line in qemu_opts_print
2015-09-11 10:21:38 +03:00
098
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
098.out
opts: produce valid command line in qemu_opts_print
2015-09-11 10:21:38 +03:00
099
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
099.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
101
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
101.out
qemu-iotests: add test case 101 for short file I/O
2014-08-22 11:01:12 +02:00
102
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
102.out
iotests: Add test for external image truncation
2014-11-03 11:41:47 +00:00
103
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
103.out
qemu-io qemu-nbd: Use error_report() etc. instead of fprintf()
2016-01-13 15:16:18 +01:00
104
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
104.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
105
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
105.out
vmdk: Fix integer overflow in offset calculation
2014-10-03 10:30:33 +01:00
107
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
107.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
108
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
108.out
qemu-iotests: Remove traling whitespaces in *.out
2014-12-12 16:52:33 +00:00
109
qemu-iotests: Simplify 109 with unaligned qemu-img compare
2016-05-19 16:56:58 +02:00
109.out
qemu-iotests: Simplify 109 with unaligned qemu-img compare
2016-05-19 16:56:58 +02:00
110
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
110.out
block/qapi: allow best-effort query
2015-12-18 14:36:17 +01:00
111
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
111.out
iotests: Add test for non-existing backing file
2014-11-06 12:45:47 +01:00
112
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
112.out
iotests: Extend test 112 for qemu-img amend
2015-12-18 14:34:43 +01:00
113
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
113.out
iotests: Add test for unsupported image creation
2014-12-10 10:31:20 +01:00
114
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
114.out
qemu-io qemu-nbd: Use error_report() etc. instead of fprintf()
2016-01-13 15:16:18 +01:00
115
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
115.out
opts: produce valid command line in qemu_opts_print
2015-09-11 10:21:38 +03:00
116
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
116.out
qemu-io qemu-nbd: Use error_report() etc. instead of fprintf()
2016-01-13 15:16:18 +01:00
117
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
117.out
iotests: Add test for multiple BB on BDS tree
2016-02-02 17:50:46 +01:00
118
iotests: Limit supported formats for 118
2016-02-02 17:49:42 +01:00
118.out
iotests: Add test for change-related QMP commands
2015-11-11 16:25:47 +01:00
119
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
119.out
iotests: Add tests for overriding BDRV_O_PROTOCOL
2015-06-12 15:54:08 +02:00
120
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
120.out
iotests: Add tests for overriding BDRV_O_PROTOCOL
2015-06-12 15:54:08 +02:00
121
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
121.out
opts: produce valid command line in qemu_opts_print
2015-09-11 10:21:38 +03:00
122
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
122.out
qemu-img: Fix preallocation with -S 0 for convert
2016-03-30 12:16:03 +02:00
123
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
123.out
iotests: Add test for qemu-img convert to NBD
2015-02-16 15:07:18 +00:00
124
iotests/124: Add cluster_size mismatch test
2016-02-29 14:55:14 -05:00
124.out
iotests/124: Add cluster_size mismatch test
2016-02-29 14:55:14 -05:00
128
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
128.out
iotests: add O_DIRECT alignment probing test
2015-03-10 14:02:24 +01:00
129
qemu-iotests: Test that "stop" doesn't drain block jobs
2015-04-28 15:36:09 +02:00
129.out
qemu-iotests: Test that "stop" doesn't drain block jobs
2015-04-28 15:36:09 +02:00
130
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
130.out
opts: produce valid command line in qemu_opts_print
2015-09-11 10:21:38 +03:00
131
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
131.out
qemu-io qemu-nbd: Use error_report() etc. instead of fprintf()
2016-01-13 15:16:18 +01:00
132
qemu-iotests: Add test case for mirror with unmap
2015-07-02 10:06:23 +01:00
132.out
qemu-iotests: Add test case for mirror with unmap
2015-07-02 10:06:23 +01:00
133
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
133.out
qemu-iotests: Test reopen with node-name/driver options
2015-12-18 14:34:43 +01:00
134
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
134.out
block: move encryption deprecation warning into qcow code
2016-03-30 12:12:15 +02:00
135
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
135.out
block: qemu-iotests - add check for multiplication overflow in vpc
2015-07-27 17:19:07 +02:00
136
qemu-iotests: Fix regression in 136 on aio_read invalid
2016-05-19 16:56:58 +02:00
136.out
block: Remove bdrv_aio_multiwrite()
2016-05-19 16:45:31 +02:00
137
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
137.out
block: add support for --image-opts in block I/O tests
2016-05-12 15:33:24 +02:00
138
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
138.out
iotests: Add test for checking large image files
2015-09-14 16:51:37 +02:00
139
blockdev: Mark {insert, remove}-medium experimental
2015-12-11 15:39:29 +00:00
139.out
iotests: Add tests for the x-blockdev-del command
2015-11-11 16:55:29 +01:00
140
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
140.out
qemu-iotests: 140: don't use IDE device
2016-02-22 16:54:14 +01:00
141
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
141.out
iotests: Add test for block jobs and BDS ejection
2016-02-02 17:50:46 +01:00
142
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
142.out
block: Remove BDRV_O_CACHE_WB
2016-03-30 12:16:03 +02:00
143
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
143.out
nbd: always query export list in fixed new style protocol
2016-02-16 17:16:11 +01:00
144
block: qemu-iotests - add test for snapshot, commit, snapshot bug
2016-02-02 18:07:27 +01:00
144.out
block: qemu-iotests - add test for snapshot, commit, snapshot bug
2016-02-02 18:07:27 +01:00
145
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
145.out
block: Fix -incoming with snapshot=on
2016-02-22 09:49:46 +01:00
146
block/vpc: add tests for image creation force_size parameter
2016-03-14 16:46:42 +01:00
146.out
block/vpc: add tests for image creation force_size parameter
2016-03-14 16:46:42 +01:00
148
qemu-iotests: 148: properly skip test if quorum support is missing
2016-04-12 18:07:39 +02:00
148.out
iotests: Test QUORUM_REPORT_BAD in fifo mode
2016-03-17 16:43:30 +01:00
149
qemu-iotests: 149: Use "/usr/bin/env python"
2016-04-05 17:23:21 +02:00
149.out
block: an interoperability test for luks vs dm-crypt/cryptsetup
2016-03-30 12:12:15 +02:00
150
qemu-iotests: tests: do not set unused tmp variable
2016-04-15 17:56:56 +02:00
150.out
iotests: Make 150 use qemu-img map instead of du
2016-04-12 18:06:51 +02:00
152
iotests: Test case for drive-mirror with unaligned image size
2016-04-20 16:52:55 +02:00
152.out
iotests: Test case for drive-mirror with unaligned image size
2016-04-20 16:52:55 +02:00
154
qemu-iotests: Test one more spot for optimizing write_zeroes
2016-06-08 10:21:08 +02:00
154.out
qcow2: Catch more unaligned write_zero into zero cluster
2016-06-08 10:21:08 +02:00
check
qemu-iotests: check: don't place files with predictable names in /tmp
2016-04-12 18:07:39 +02:00
common
block: enable testing of LUKS driver with block I/O tests
2016-05-12 15:33:24 +02:00
common.config
block: add support for encryption secrets in block I/O tests
2016-05-12 15:33:24 +02:00
common.filter
block: add support for encryption secrets in block I/O tests
2016-05-12 15:33:24 +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
iotests: Make redirecting qemu's stderr optional
2016-02-02 17:49:43 +01:00
common.rc
block: enable testing of LUKS driver with block I/O tests
2016-05-12 15:33:24 +02:00
COPYING
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
group
qemu-iotests: Some more write_zeroes tests
2016-05-19 16:45:31 +02:00
iotests.py
qemu-iotests: iotests: fail hard if not run via "check"
2016-05-12 15:33:24 +02:00
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.py: Add required padding for header extensions
2014-12-10 10:31:13 +01:00
qed.py
tests: Use Python 2.6 "except E as ..." syntax
2016-02-08 17:29:54 +01:00
README
qemu-iotests: README: Fix spelling
2012-02-23 10:29:46 +01:00
socket_scm_helper.c
tests: Clean up includes
2016-02-16 14:29:27 +00:00

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.