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Kevin Wolf d29d3d1f80 block: Relax restrictions for blockdev-snapshot 
blockdev-snapshot returned an error if the overlay was already in use,
which it defined as having any BlockBackend parent. This is in fact both
too strict (some parents can tolerate the change of visible data caused
by attaching a backing file) and too loose (some non-BlockBackend
parents may not be happy with it).

One important use case that is prevented by the too strict check is live
storage migration with blockdev-mirror. Here, the target node is
usually opened without a backing file so that the active layer is
mirrored while its backing chain can be copied in the background.

The backing chain should be attached to the mirror target node when
finalising the job, just before switching the users of the source node
to the new copy (at which point the mirror job still has a reference to
the node). drive-mirror did this automatically, but with blockdev-mirror
this is the job of the QMP client, so it needs a way to do this.

blockdev-snapshot is the obvious way, so this patch makes it work in
this scenario. The new condition is that no parent uses CONSISTENT_READ
permissions. This will ensure that the operation will still be blocked
when the node is attached to the guest device, so blockdev-snapshot
remains safe.

(For the sake of completeness, x-blockdev-reopen can be used to achieve
the same, however it is a big hammer, performs the graph change
completely unchecked and is still experimental. So even with the option
of using x-blockdev-reopen, there are reasons why blockdev-snapshot
should be able to perform this operation.)

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200310113831.27293-3-kwolf@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Tested-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-03-11 15:54:38 +01:00
..
sample_images
qemu-iotests: add test case for dmg
2019-02-01 13:46:44 +01:00
.gitignore
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001
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
001.out
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002
iotests: Disable broken streamOptimized tests
2019-09-03 14:55:35 +02:00
002.out
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003
iotests: Disable broken streamOptimized tests
2019-09-03 14:55:35 +02:00
003.out
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004
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
004.out
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005
iotests: Provide a function for checking the creation of huge files
2019-12-18 11:20:57 +01:00
005.out
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007
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
007.out
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008
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
008.out
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009
iotests: Disable broken streamOptimized tests
2019-09-03 14:55:35 +02:00
009.out
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010
iotests: Disable broken streamOptimized tests
2019-09-03 14:55:35 +02:00
010.out
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011
iotests: Disable broken streamOptimized tests
2019-09-03 14:55:35 +02:00
011.out
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012
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
012.out
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013
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
013.out
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014
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
014.out
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015
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
015.out
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017
iotests: Disable broken streamOptimized tests
2019-09-03 14:55:35 +02:00
017.out
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018
iotests: Disable broken streamOptimized tests
2019-09-03 14:55:35 +02:00
018.out
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019
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
019.out
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020
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
020.out
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021
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
021.out
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022
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
022.out
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023
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
023.out
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024
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
024.out
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025
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
025.out
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026
iotests/026: Test EIO on allocation in a data-file
2020-03-06 17:15:37 +01:00
026.out
iotests/026: Test EIO on allocation in a data-file
2020-03-06 17:15:37 +01:00
026.out.nocache
iotests/026: Test EIO on allocation in a data-file
2020-03-06 17:15:37 +01:00
027
iotests: Disable broken streamOptimized tests
2019-09-03 14:55:35 +02:00
027.out
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028
tests/qemu-iotests: use AIOMODE with various tests
2020-01-30 21:01:40 +00:00
028.out
iotests/028: Fix for long $TEST_DIRs
2019-10-14 17:12:48 +02:00
029
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
029.out
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030
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
030.out
iotests: Add read-only test case to 030
2019-07-15 15:48:40 +02:00
031
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
031.out
iotests/qcow2.py: Split feature fields into bits
2020-01-06 13:43:06 +01:00
032
iotests: Disable broken streamOptimized tests
2019-09-03 14:55:35 +02:00
032.out
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033
iotests: Disable broken streamOptimized tests
2019-09-03 14:55:35 +02:00
033.out
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034
iotests: Disable broken streamOptimized tests
2019-09-03 14:55:35 +02:00
034.out
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035
tests/qemu-iotests: Don't use 'seq' in the iotests
2019-07-23 15:53:25 +01:00
035.out
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036
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
036.out
iotests: Filter refcount_order in 036
2020-01-06 13:43:06 +01:00
037
iotests: Disable broken streamOptimized tests
2019-09-03 14:55:35 +02:00
037.out
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038
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
038.out
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039
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
039.out
iotests/qcow2.py: Split feature fields into bits
2020-01-06 13:43:06 +01:00
040
iotests: Test error handling policies with block-commit
2020-02-18 10:53:56 +01:00
040.out
iotests: Test error handling policies with block-commit
2020-02-18 10:53:56 +01:00
041
iotests: Check that @replaces can replace filters
2020-02-18 14:52:16 +01:00
041.out
iotests: Check that @replaces can replace filters
2020-02-18 14:52:16 +01:00
042
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
042.out
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043
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
043.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
044
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
044.out
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045
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
045.out
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046
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
046.out
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047
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
047.out
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048
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
048.out
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049
block: Error out on image creation with conflicting size options
2019-12-18 11:20:57 +01:00
049.out
block: Error out on image creation with conflicting size options
2019-12-18 11:20:57 +01:00
050
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
050.out
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051
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
051.out
Fixes: add read-zeroes to 051.out
2019-07-30 12:25:43 +02:00
051.pc.out
scsi: deprecate scsi-disk
2019-11-19 10:01:34 +01:00
052
iotests: Unify cache mode quoting
2019-09-03 14:56:06 +02:00
052.out
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053
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
053.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
054
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
054.out
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055
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
055.out
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056
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
056.out
iotests: Test backup job with two guest writes
2019-08-06 13:17:17 +02:00
057
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
057.out
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058
tests/qemu-iotests: use AIOMODE with various tests
2020-01-30 21:01:40 +00:00
058.out
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059
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
059.out
iotests: Keep testing broken relative extent paths
2019-09-03 14:55:35 +02:00
060
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
060.out
iotests/qcow2.py: Split feature fields into bits
2020-01-06 13:43:06 +01:00
061
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
061.out
iotests/qcow2.py: Split feature fields into bits
2020-01-06 13:43:06 +01:00
062
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
062.out
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063
iotests: Avoid cp/mv of test images
2020-01-06 13:43:07 +01:00
063.out
iotests: Avoid cp/mv of test images
2020-01-06 13:43:07 +01:00
064
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
064.out
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065
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
065.out
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066
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
066.out
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067
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
067.out
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068
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
068.out
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069
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
069.out
tests/qemu-iotests: Fix output of qemu-io related tests
2019-04-30 15:29:00 +02:00
070
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
070.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
071
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
071.out
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072
iotests: Disable broken streamOptimized tests
2019-09-03 14:55:35 +02:00
072.out
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073
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
073.out
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074
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
074.out
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075
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
075.out
tests/qemu-iotests: Fix output of qemu-io related tests
2019-04-30 15:29:00 +02:00
076
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
076.out
tests/qemu-iotests: Fix output of qemu-io related tests
2019-04-30 15:29:00 +02:00
077
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
077.out
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078
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
078.out
tests/qemu-iotests: Fix output of qemu-io related tests
2019-04-30 15:29:00 +02:00
079
iotests: Replace IMGOPTS= by -o
2020-01-06 13:43:07 +01:00
079.out
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080
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
080.out
tests/qemu-iotests: Fix output of qemu-io related tests
2019-04-30 15:29:00 +02:00
081
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
081.out
tests/qemu-iotests: Fix output of qemu-io related tests
2019-04-30 15:29:00 +02:00
082
iotests: Test qemu-img convert -C --salvage
2019-06-14 15:09:42 +02:00
082.out
iotests: Update 082 expected output
2019-07-12 15:42:23 +02:00
083
iotests/083: Create socket in $SOCK_DIR
2019-10-28 11:22:31 +01:00
083.out
iotests/083: Create socket in $SOCK_DIR
2019-10-28 11:22:31 +01:00
084
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
084.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
085
iotests: Avoid cp/mv of test images
2020-01-06 13:43:07 +01:00
085.out
block: Relax restrictions for blockdev-snapshot
2020-03-11 15:54:38 +01:00
086
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
086.out
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087
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
087.out
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088
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
088.out
tests/qemu-iotests: Fix output of qemu-io related tests
2019-04-30 15:29:00 +02:00
089
tests/qemu-iotests: use AIOMODE with various tests
2020-01-30 21:01:40 +00:00
089.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
090
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
090.out
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091
tests/qemu-iotests: use AIOMODE with various tests
2020-01-30 21:01:40 +00:00
091.out
iotests: Make 091 work with data_file
2020-01-06 13:43:07 +01:00
092
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
092.out
tests/qemu-iotests: Fix more reference output files due to recent qemu-io change
2019-05-07 09:43:42 -05:00
093
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
093.out
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094
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
094.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
095
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
095.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
096
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
096.out
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097
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
097.out
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098
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
098.out
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099
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
099.out
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101
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
101.out
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102
block: avoid recursive block_status call if possible
2019-06-04 15:20:41 +02:00
102.out
block: avoid recursive block_status call if possible
2019-06-04 15:20:41 +02:00
103
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
103.out
tests/qemu-iotests: Fix output of qemu-io related tests
2019-04-30 15:29:00 +02:00
104
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
104.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
105
iotests: Disable broken streamOptimized tests
2019-09-03 14:55:35 +02:00
105.out
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106
iotests: Replace IMGOPTS= by -o
2020-01-06 13:43:07 +01:00
106.out
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107
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
107.out
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108
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
108.out
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109
tests/qemu-iotests: use AIOMODE with various tests
2020-01-30 21:01:40 +00:00
109.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
110
iotests: Make 110 work with data_file
2020-01-06 13:43:07 +01:00
110.out
iotests: Make 110 work with data_file
2020-01-06 13:43:07 +01:00
111
iotests: Avoid qemu-img create
2020-01-06 13:43:07 +01:00
111.out
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112
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
112.out
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113
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
113.out
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114
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
114.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
115
iotests: Replace IMGOPTS= by -o
2020-01-06 13:43:07 +01:00
115.out
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116
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
116.out
tests/qemu-iotests: Fix output of qemu-io related tests
2019-04-30 15:29:00 +02:00
117
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
117.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
118
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
118.out
iotests/118: Add -blockdev based tests
2019-08-16 10:25:16 +02:00
119
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
119.out
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120
iotests: Check for enabled drivers before testing them
2019-09-03 14:56:06 +02:00
120.out
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121
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
121.out
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122
iotests: Test convert -n -B to backing-less target
2020-02-20 16:43:42 +01:00
122.out
iotests: Test convert -n -B to backing-less target
2020-02-20 16:43:42 +01:00
123
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
123.out
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124
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
124.out
iotests: Test incremental backup after truncation
2019-08-06 13:17:24 +02:00
125
iotests: Replace IMGOPTS= by -o
2020-01-06 13:43:07 +01:00
125.out
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126
iotests: Disable 126 for flat vmdk subformats
2019-09-03 14:55:35 +02:00
126.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
127
iotests: Check for the availability of the required devices in 267 and 127
2020-02-06 13:47:45 +01:00
127.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
128
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
128.out
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129
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
129.out
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130
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
130.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
131
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
131.out
tests/qemu-iotests: Fix output of qemu-io related tests
2019-04-30 15:29:00 +02:00
132
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
132.out
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133
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
133.out
tests/qemu-iotests: Fix output of qemu-io related tests
2019-04-30 15:29:00 +02:00
134
iotest 134: test cluster-misaligned encrypted write
2019-06-24 15:53:01 +02:00
134.out
iotest 134: test cluster-misaligned encrypted write
2019-06-24 15:53:01 +02:00
135
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
135.out
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136
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
136.out
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137
iotests: Make 137 work with data_file
2020-01-06 13:43:07 +01:00
137.out
iotests: Make 137 work with data_file
2020-01-06 13:43:07 +01:00
138
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
138.out
qcow2-refcount: avoid eating RAM
2019-05-07 17:14:21 +02:00
139
iotests: Remove the superfluous 2nd check for the availability of quorum
2020-02-20 16:43:42 +01:00
139.out
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140
iotests/140: Create socket in $SOCK_DIR
2019-10-28 11:22:31 +01:00
140.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
141
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
141.out
blockdev: unify qmp_drive_backup and drive-backup transaction paths
2020-01-27 17:19:53 +01:00
142
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
142.out
…
143
iotests/143: Create socket in $SOCK_DIR
2019-10-28 11:22:31 +01:00
143.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
144
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
144.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
145
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
145.out
…
146
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
146.out
…
147
iotests/147: Fix drive parameters
2020-02-20 16:43:42 +01:00
147.out
…
148
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
148.out
…
149
drop "from __future__ import print_function"
2020-02-07 15:15:16 +01:00
149.out
tests: fix I/O test for hosts defaulting to LUKSv2
2019-10-10 10:56:18 +02:00
150
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
150.out.qcow2
block: posix: Always allocate the first block
2019-09-03 14:55:35 +02:00
150.out.raw
block: posix: Always allocate the first block
2019-09-03 14:55:35 +02:00
151
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
151.out
iotests: Test unaligned blocking mirror write
2019-08-06 13:17:26 +02:00
152
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
152.out
…
153
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
153.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
154
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
154.out
…
155
iotests: Use complete_and_wait() in 155
2020-02-18 11:55:40 +01:00
155.out
…
156
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
156.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
157
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
157.out
…
158
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
158.out
…
159
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
159.out
…
160
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
160.out
…
161
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
161.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
162
iotests/162: Fix for newer Linux 5.3+
2019-10-10 12:13:23 +02:00
162.out
iotests/162: Fix for newer Linux 5.3+
2019-10-10 12:13:23 +02:00
163
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
163.out
…
165
drop "from __future__ import print_function"
2020-02-07 15:15:16 +01:00
165.out
iotests: add test-case to 165 to test reopening qcow2 bitmaps to RW
2019-10-17 17:02:32 -04:00
169
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
169.out
iotests: add new test cases to bitmap migration
2019-11-26 14:18:01 +01:00
170
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
170.out
…
171
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
171.out
…
172
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
172.out
…
173
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
173.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
174
iotests: Replace IMGOPTS='' by --no-opts
2020-01-06 13:43:07 +01:00
174.out
…
175
iotests: Replace IMGOPTS= by -o
2020-01-06 13:43:07 +01:00
175.out
iotests: Test allocate_first_block() with O_DIRECT
2019-09-03 14:55:35 +02:00
176
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
176.out
…
177
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
177.out
…
178
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
178.out.qcow2
block: posix: Always allocate the first block
2019-09-03 14:55:35 +02:00
178.out.raw
…
179
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
179.out
…
181
tests/qemu-iotests: use AIOMODE with various tests
2020-01-30 21:01:40 +00:00
181.out
…
182
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
182.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
183
iotests: Test 183 does not work on macOS and OpenBSD
2020-02-06 13:47:45 +01:00
183.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
184
iotests: Check for enabled drivers before testing them
2019-09-03 14:56:06 +02:00
184.out
…
185
tests/qemu-iotests: use AIOMODE with various tests
2020-01-30 21:01:40 +00:00
185.out
blockdev: unify qmp_drive_backup and drive-backup transaction paths
2020-01-27 17:19:53 +01:00
186
iotests: Check for enabled drivers before testing them
2019-09-03 14:56:06 +02:00
186.out
iotests: Set read-zeroes on in null block driver for Valgrind
2019-07-19 13:19:09 +02:00
187
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
187.out
tests/qemu-iotests: Fix output of qemu-io related tests
2019-04-30 15:29:00 +02:00
188
iotests: Convert to preallocated encrypted qcow2
2019-08-19 17:13:26 +02:00
188.out
iotests: Convert to preallocated encrypted qcow2
2019-08-19 17:13:26 +02:00
189
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
189.out
…
190
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
190.out
…
191
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
191.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
192
iotests/192: Create socket in $SOCK_DIR
2019-10-28 11:22:31 +01:00
192.out
iotests/192: Create socket in $SOCK_DIR
2019-10-28 11:22:31 +01:00
194
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
194.out
…
195
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
195.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
196
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
196.out
…
197
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
197.out
tests/qemu-iotests: Fix output of qemu-io related tests
2019-04-30 15:29:00 +02:00
198
iotests: Make 198 work with data_file
2020-01-06 13:43:07 +01:00
198.out
iotests: Make 198 work with data_file
2020-01-06 13:43:07 +01:00
199
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
199.out
…
200
tests/qemu-iotests: use AIOMODE with various tests
2020-01-30 21:01:40 +00:00
200.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
201
tests/qemu-iotests: use AIOMODE with various tests
2020-01-30 21:01:40 +00:00
201.out
…
202
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
202.out
…
203
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
203.out
…
204
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
204.out
…
205
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
205.out
…
206
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
206.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
207
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
207.out
ssh: switch from libssh2 to libssh
2019-06-24 16:01:04 +02:00
208
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
208.out
…
209
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
209.out
nbd/client: Report offsets in bdrv_block_status
2019-03-30 20:52:29 -05:00
210
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
210.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
211
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
211.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
212
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
212.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
213
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
213.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
214
tests/iotests: be a little more forgiving on the size test
2020-02-25 20:20:09 +00:00
214.out
tests/qemu-iotests: add case to write compressed data of multiple clusters
2020-01-06 13:43:07 +01:00
215
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
215.out
tests/qemu-iotests: Fix output of qemu-io related tests
2019-04-30 15:29:00 +02:00
216
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
216.out
…
217
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
217.out
…
218
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
218.out
iotests: Test quitting with job on throttled node
2019-07-19 15:17:55 +02:00
219
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
219.out
blockdev: unify qmp_drive_backup and drive-backup transaction paths
2020-01-27 17:19:53 +01:00
220
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
220.out
qcow2: Return 0/-errno in qcow2_alloc_compressed_cluster_offset()
2019-03-08 12:26:45 +01:00
221
iotests: Test unaligned raw images with O_DIRECT
2019-05-20 17:08:57 +02:00
221.out
block: posix: Always allocate the first block
2019-09-03 14:55:35 +02:00
222
make all Python scripts executable
2020-02-07 15:15:16 +01:00
222.out
…
223
nbd: Allow description when creating NBD blockdev
2020-02-05 17:22:13 -06:00
223.out
nbd: Allow description when creating NBD blockdev
2020-02-05 17:22:13 -06:00
224
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
224.out
iotests: Test json:{} filenames of internal BDSs
2019-02-25 15:11:27 +01:00
225
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
225.out
…
226
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
226.out
tests/qemu-iotests: Fix output of qemu-io related tests
2019-04-30 15:29:00 +02:00
227
iotests: Set read-zeroes on in null block driver for Valgrind
2019-07-19 13:19:09 +02:00
227.out
qapi: add unmap to BlockDeviceStats
2019-10-10 10:56:18 +02:00
228
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
228.out
block: Purify .bdrv_refresh_filename()
2019-02-25 15:11:27 +01:00
229
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
229.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
231
tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
2019-05-21 10:13:58 +02:00
231.out
…
232
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
232.out
qemu-iotests: Fix 232 for non-qcow2
2019-03-19 15:49:29 +01:00
233
iotests: Let 233 run concurrently
2019-06-13 08:50:47 -05:00
233.out
nbd/client: Add hint when TLS is missing
2019-09-24 07:30:19 -05:00
234
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
234.out
iotests: Make 234 stable
2019-02-01 13:46:44 +01:00
235
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
235.out
…
236
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
236.out
block/dirty-bitmap: add recording and busy properties
2019-03-12 12:05:48 -04:00
237
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
237.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
238
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
238.out
…
239
tests/qemu-iotests: Do not hard-code the path to bash
2019-05-21 10:10:33 +02:00
239.out
qemu-iotests: add test case for dmg
2019-02-01 13:46:44 +01:00
240
iotests/240: Create socket in $SOCK_DIR
2019-10-28 11:22:31 +01:00
240.out
scsi-disk: Use qdev_prop_drive_iothread
2019-06-04 15:22:22 +02:00
241
iotests: Let common.nbd create socket in $SOCK_DIR
2019-10-28 11:22:31 +01:00
241.out
iotest: Fix 241 to run in generic directory
2019-04-12 18:03:01 +02:00
242
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
242.out
qemu-img: Saner printing of large file sizes
2019-04-30 15:29:00 +02:00
243
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
243.out
qemu-iotests: Preallocation with external data file
2019-03-08 12:26:46 +01:00
244
iotests: Test copy offloading with external data file
2020-02-18 10:53:56 +01:00
244.out
iotests: Test copy offloading with external data file
2020-02-18 10:53:56 +01:00
245
block: bdrv_reopen() with backing file in different AioContext
2020-03-06 17:34:09 +01:00
245.out
iotests: Refactor blockdev-reopen test for iothreads
2020-03-06 17:34:01 +01:00
246
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
246.out
tests/qemu-iotests: add bitmap resize test 246
2019-03-12 15:00:48 -04:00
247
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
247.out
qemu-iotests: Fix 232 for non-qcow2
2019-03-19 15:49:29 +01:00
248
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
248.out
iotests: add 248: test resume mirror after auto pause on ENOSPC
2019-03-26 11:37:51 +01:00
249
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
249.out
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
250
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
250.out
iotests: test big qcow2 shrink
2019-06-04 16:55:58 +02:00
251
iotests: Disable broken streamOptimized tests
2019-09-03 14:55:35 +02:00
251.out
iotests: Test qemu-img convert --salvage
2019-06-14 15:09:27 +02:00
252
iotests: Use _rm_test_img for deleting test images
2020-01-06 13:43:07 +01:00
252.out
iotests: Add test for rebase without input base
2019-05-10 16:45:40 +02:00
253
iotests: Test unaligned raw images with O_DIRECT
2019-05-20 17:08:57 +02:00
253.out
block: posix: Always allocate the first block
2019-09-03 14:55:35 +02:00
254
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
254.out
iotests: test bitmap moving inside 254
2019-08-16 16:28:03 -04:00
255
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
255.out
iotests: Test cancelling a job and closing the VM
2019-06-04 15:20:41 +02:00
256
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
256.out
block/backup: improve sync=bitmap work estimates
2019-08-16 16:28:03 -04:00
257
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
257.out
block/backup: use backup-top instead of write notifiers
2019-10-10 10:56:18 +02:00
258
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
258.out
iotests: Add test for concurrent stream/commit
2019-08-16 10:25:16 +02:00
259
iotests: Add test for image creation fallback
2020-02-20 16:43:42 +01:00
259.out
iotests: Add test for image creation fallback
2020-02-20 16:43:42 +01:00
260
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
260.out
iotests: add test 260 to check bitmap life after snapshot + commit
2019-10-17 17:02:32 -04:00
261
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
261.out
iotests: Test qcow2's snapshot table handling
2019-10-28 11:54:49 +01:00
262
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
262.out
iotests/262: Switch source/dest VM launch order
2019-10-08 14:28:25 +01:00
263
qemu-iotests: Add test for bz #1745922
2019-09-16 15:37:12 +02:00
263.out
qemu-iotests: Add test for bz #1745922
2019-09-16 15:37:12 +02:00
264
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
264.out
iotests: test nbd reconnect
2019-10-22 20:51:31 -05:00
265
iotests: Replace IMGOPTS= by -o
2020-01-06 13:43:07 +01:00
265.out
iotests: Test reverse sub-cluster qcow2 writes
2019-09-10 08:58:43 +02:00
266
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
266.out
iotests: 266: Convert to VM.blockdev_create()
2019-12-19 14:32:43 +01:00
267
iotests: Check for the availability of the required devices in 267 and 127
2020-02-06 13:47:45 +01:00
267.out
iotests/267: Create socket in $SOCK_DIR
2019-10-28 11:22:31 +01:00
268
block: Reject misaligned write requests with BDRV_REQ_NO_FALLBACK
2019-10-14 17:12:48 +02:00
268.out
block: Reject misaligned write requests with BDRV_REQ_NO_FALLBACK
2019-10-14 17:12:48 +02:00
270
iotests: Test large write request to qcow2 file
2019-10-14 17:12:48 +02:00
270.out
iotests: Test large write request to qcow2 file
2019-10-14 17:12:48 +02:00
272
iotests: Add test for 4G+ compressed qcow2 write
2019-11-07 14:37:46 +01:00
272.out
iotests: Add test for 4G+ compressed qcow2 write
2019-11-07 14:37:46 +01:00
273
iotests: Disable data_file where it cannot be used
2020-01-06 13:43:07 +01:00
273.out
iotests/273: Filter format-specific information
2019-12-19 13:20:10 +01:00
277
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
277.out
iotests: Test NBD client reconnection
2019-11-18 16:01:31 -06:00
279
iotests/279: Fix for non-qcow2 formats
2020-02-20 16:43:42 +01:00
279.out
qemu-img: fix info --backing-chain --image-opts
2019-12-18 11:20:57 +01:00
280
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
280.out
iotests: Test external snapshot with VM state
2019-12-19 18:04:25 +01:00
281
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
2020-02-07 15:12:48 +01:00
281.out
iotests: Test handling of AioContexts with some blockdev actions
2020-01-27 17:19:53 +01:00
283
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
2020-02-07 15:15:16 +01:00
283.out
iotests: add test for backup-top failure on permission activation
2020-02-06 13:47:45 +01:00
284
block: always fill entire LUKS header space with zeros
2020-02-20 16:43:42 +01:00
284.out
block: always fill entire LUKS header space with zeros
2020-02-20 16:43:42 +01:00
286
iotests: Test snapshot -l field separation
2020-02-20 16:43:42 +01:00
286.out
iotests: Test snapshot -l field separation
2020-02-20 16:43:42 +01:00
check
tests/qemu-iotests/check: Only check for Python 3 interpreter
2020-02-07 15:15:16 +01:00
common.config
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
common.filter
iotests: Allow check -o data_file
2020-01-06 13:43:07 +01:00
common.nbd
iotests: Let common.nbd create socket in $SOCK_DIR
2019-10-28 11:22:31 +01:00
common.pattern
tests/qemu-iotests: Don't use 'seq' in the iotests
2019-07-23 15:53:25 +01:00
common.qemu
iotests: Include QMP input in .out files
2019-11-18 20:33:48 -06:00
common.rc
iotests: Check for the availability of the required devices in 267 and 127
2020-02-06 13:47:45 +01:00
common.tls
qemu-iotests: Improve portability by searching bash in the $PATH
2019-03-08 12:26:45 +01:00
group
iotests: Test snapshot -l field separation
2020-02-20 16:43:42 +01:00
iotests.py
iotests: Add VM.assert_block_path()
2020-02-18 11:55:41 +01:00
Makefile
…
nbd-fault-injector.py
drop "from __future__ import print_function"
2020-02-07 15:15:16 +01:00
qcow2.py
drop "from __future__ import print_function"
2020-02-07 15:15:16 +01:00
qed.py
drop "from __future__ import print_function"
2020-02-07 15:15:16 +01:00
README
…
socket_scm_helper.c
…

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@nongnu.org with a CC:
to qemu-block@nongnu.org.