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2013-12-04qemu-iotests: Change default cache mode to "writeback"Fam Zheng1-1/+1
So that the tests can run faster. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-12-04qemu-iotests: Add _default_cache_mode and _supported_cache_modesFam Zheng4-14/+21
This replaces _unsupported_qemu_io_options and check for support of current cache mode, and allow to provide a default if user didn't specify. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-12-04qemu-iotests: Honour cache mode in iotests.pyFam Zheng1-1/+2
This will allow overriding cache mode from the "-c mode" option. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-12-04qemu-iotests: Add "-c <cache-mode>" optionFam Zheng2-3/+20
The option sets cache mode used in the tests. "-nocache" is changed to an alias to "-c none", and internally passes "-t none" to qemu-io. Python scripts will make use of option this in the next commit. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-12-03qemu-iotests: 033 is fastPaolo Bonzini1-1/+1
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-12-03vmdk: Fix creating big description fileFam Zheng2-0/+2017
The buffer for description file was 4096 which only covers a few hundred of extents. This changes the buffer to dynamic allocated with g_strdup_printf in order to support bigger cases. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-11-29qemu-iotests: Add sample image and test for VMDK version 3Fam Zheng3-0/+10
Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-11-29qemu-iotests: Filter out 'qemu-io> ' promptFam Zheng19-75552/+75553
This removes "qemu-io> " prompt from qemu-io output in _filter_qemu_io, and updates all the output files with the following command: cd tests/qemu-iotests && sed -i "s/qemu-io> //g" *.out Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-11-29qemu-iotests: Filter qemu-io output in 025Fam Zheng1-1/+1
Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-11-29qemu-iotests: Test snapshot modeKevin Wolf2-5/+66
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-11-29qemu-iotests: Make test case 030, 040 and 055 deterministicFam Zheng3-9/+25
Pause the drive and start the block job, so we won't miss the block job. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-11-29qemu-iotest: Add pause_drive and resume_drive methodsFam Zheng1-1/+17
They wrap blkdebug "break" and "remove_break". Add optional argument "resume" to cancel_and_wait(). Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-11-29qemu-iotests: Drop local version of cancel_and_wait from 040Fam Zheng1-15/+0
iotests.py already has one. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-11-27qemu-iotests: Fix test 041Max Reitz2-10/+26
Performing multiple drive-mirror blockjobs on the same qemu instance results in the image file used for the block device being replaced by the newly mirrored file, which is not what we want. Fix this by performing one dedicated test per sync mode. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1385407736-13941-3-git-send-email-mreitz@redhat.com Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-11-15block: Fail if requested driver is not availableKevin Wolf2-0/+16
If an explicit driver option is present, but doesn't specify a valid driver, then bdrv_open() should fail instead of probing the format. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-11-15qemu-img: Fix overwriting 'ret' before usingFam Zheng2-1/+60
This patch moves ret assignment after reporting original error. We were lucky to pass qemu-iotests 048 (qemu-img compare case) but when I tried to run with TEST_DIR=/tmp (tmpfs), it fails with a "wrong" mismatch offset. This fixes two bugs. In the first if branch, setting ret to 1 before using it makes dead code in the next line: pnum is never added to mismatch offset even if ret was 0. In the other if branch, currently the output error is always -4: strerror(-4) -> Unknown error -4 Added regression test in case 048. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Amos Kong <akong@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com>
2013-11-15qemu-iotests: Test qcow2 count_contiguous_clusters()Kevin Wolf3-0/+285
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-11-14qemu-iotests: Extend 041 for unbacked mirroringMax Reitz2-2/+27
Add a new test case in file 041 for mirroring unbacked images in "absolute-paths" mode. This should work, if possible, but most importantly, qemu should never crash. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-11-14block: Print its file name if backing file opening failedFam Zheng2-2/+2
If backing file doesn't exist, the error message is confusing and misleading: $ qemu /tmp/a.qcow2 qemu: could not open disk image /tmp/a.qcow2: Could not open file: No such file or directory But... $ ls /tmp/a.qcow2 /tmp/a.qcow2 $ qemu-img info /tmp/a.qcow2 image: /tmp/a.qcow2 file format: qcow2 virtual size: 8.0G (8589934592 bytes) disk size: 196K cluster_size: 65536 backing file: /tmp/b.qcow2 Because... $ ls /tmp/b.qcow2 ls: cannot access /tmp/b.qcow2: No such file or directory This is not intuitive. It's better to have the missing file's name in the error message. With this patch: $ qemu-io -c 'read 0 512' /tmp/a.qcow2 qemu-io: can't open device /tmp/a.qcow2: Could not open backing file: Could not open '/stor/vm/arch.raw': No such file or directory no file open, try 'help open' Which is a little bit better. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-11-07block: vhdx qemu-iotest - log replay of data sectorJeff Cody4-0/+76
This tests the replay of a data sector in a VHDX image file. The image file is a 10G dynamic image, with 4MB block size. The image was created with qemu-img, and the log left unplayed by modification of the vhdx image format driver. It was verified under both QEMU and Hyper-V that the image file, post log replay, matched. Signed-off-by: Jeff Cody <jcody@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-11-07block: qemu-iotests for vhdx, add write test supportJeff Cody3-1/+25
This removes the IMGFMT_GENERIC blocker for read-only, so existing iotests run read/write tests for vhdx images created by qemu-img (e.g. tests 001, 002, 003). In addition, this updates the sample image test for the Hyper-V created image, to verify we can write it as well. Signed-off-by: Jeff Cody <jcody@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-11-07block: vhdx - update _make_test_img() to filter out vhdx optionsJeff Cody1-1/+4
The non-global option output is suppresed in _make_test_img() for output verification in the 0?? tests. This adds suppression for the vhdx-unique options as well. This allows check -vhdx to run successfully. Signed-off-by: Jeff Cody <jcody@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-11-07block: qemu-iotests, add quotes to $TEST_IMG usage in 061Jeff Cody1-3/+3
When creating images with backing files in the test, the backing file argument was not quoted properly. This caused the test to fail when run from a pathname with a space. Pass the backing argument in with the -b option to _make_test_img, so it can be properly quoted. Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-11-07block: qemu-iotests, add quotes to $TEST_IMG usage for 051Jeff Cody1-4/+4
There were still a couple of instances of unquoted usage of $TEST_IMG and $TEST_IMG.orig. Quoted these so they will not fail on pathnames with spaces in them. Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-11-07block: qemu-iotests, removes duplicate double quotes in 039Jeff Cody1-1/+1
Test 039 had $TEST_IMG with duplicate double quotes - remove duplicate. Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-11-07block: qemu-iotests, add quotes to $TEST_IMG usage in 019Jeff Cody1-3/+3
There were still instances of $TEST_IMG not being properly quoted. This was in the usage of a string built up for a 'for' loop; modify the loop so we can quote $TEST_IMG properly. Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-11-07block: qemu-iotests, add quotes to $TEST_IMG.base usage in 017Jeff Cody1-1/+1
$TEST_IMG.base is used unquoted. Add quotes so that pathnames with spaces are supported. Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-11-07block: qemu-iotests, fix _make_test_img() to work with spaced pathnamesJeff Cody1-2/+11
_make_test_img() currently works with spaced pathnames only when not specifying a backing file. This fixes it so that the backing file argument is properly quoted. Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-11-07block: qemu-iotests, add quotes to $TEST_IMG usage io pattern testsJeff Cody1-6/+6
The usage of $TEST_IMG was not properly quoted everywhere in common.pattern. Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-11-07qemu-iotests: Filter out actual image size in 067Max Reitz2-6/+6
The actual size of the image file may differ depending on the Linux kernel currently running on the host. Filtering out this value makes this test pass in such cases. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-10-31vmdk: Implment bdrv_get_specific_infoFam Zheng2-4/+3
Implement .bdrv_get_specific_info to return the extent information. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-30qemu-iotests: prefill some data to test imageFam Zheng1-0/+4
Case 030 occasionally fails because of block job compltes too fast to be captured by script, and 'unexpected qmp event' of job completion causes the test failure. Simply fill in some data to the test image to make this false alarm less likely to happen. (For other benefits to prefill data to test image, see also commit ab68cdfaa). Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-30qemu-iotests: Test case for backing file deletionMax Reitz3-0/+68
Add a test case for trying to open an image file where it is impossible to open its backing file (in this case, because it was deleted). When doing this, qemu (or qemu-io in this case) should not crash but rather print an appropriate error message. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-30qemu-iotests: drop duplicated "create_image"Fam Zheng1-12/+2
There's a same common function in iotests.py Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-29qemu-iotests: Fix 051 reference outputKevin Wolf1-1/+1
Commit 684b254 forgot to update it. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-25qemu-iotests: Test for loading VM state from qcow2Max Reitz3-0/+77
Add a test for saving a VM state from a qcow2 image and loading it back (with having restarted qemu in between); this should work without any problems. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-11qemu-iotests: Add test for inactive L2 overlapMax Reitz2-8/+79
Extend 060 by a test which creates a corrupted image with an active L2 entry pointing to an inactive L2 table and writes to the corresponding guest offset. Also, use overlap-check=all for all tests in 060. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-11qemu-iotests: Check autodel behaviour for device_delKevin Wolf4-0/+222
Block devices creates with -drive and drive_add should automatically disappear if the guest device is unplugged. blockdev-add ones shouldn't. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-10-11blockdev: Remove IF_* check for read-only blockdev_initKevin Wolf1-1/+4
IF_NONE allows read-only, which makes forbidding it in this place for other types pretty much pointless. Instead, make sure that all devices for which the check would have errored out check in their init function that they don't get a read-only BlockDriverState. This catches even cases where IF_NONE and -device is used. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-10-11vmdk: refuse enabling zeroed grain with flat imagesFam Zheng2-0/+8
This is a header flag and we needs sparse for the header. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-11vmdk: convert error code to use errpFam Zheng1-4/+2
Convert "fprintf(stderr,..." and standardize error messages: Remove a few local_error's and use errp. Remove "VMDK:" or "Vmdk:" prefixes in error message and fix to upper case. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-11block/raw-posix: Employ error parameterMax Reitz1-1/+1
Make use of the error parameter in the opening and creating functions in block/raw-posix.c. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-11qemu-iotests: move blank lines of output in case 059Fam Zheng2-8/+8
Move the blank line to above the test step banner, so it looks clearer in blocks. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-11block: qemu-iotests for vhdx, read sample dynamic imageJeff Cody6-1/+86
This adds the VHDX format to the qemu-iotests format, and adds a read test. The test reads from an existing sample image, that was created with Hyper-V under Windwos Server 2012. The image file is a 1GB dynamic image, with 32MB blocks. The pattern 0xa5 exists from 0MB-33MB (past a block size boundary) The pattern 0x96 exists from 33MB-66MB (past another block boundary, and leaving a partial blank block) From 66MB-1024MB, all reads should return 0. Although 1GB dynamic image with 66MB of data, the bzip2'ed image file size is only 874 bytes. This also adds in the IMGFMT_GENERIC flag, so r/o images can be tested (e.g. ./check -vhdx) without failing tests that assume r/w support. Signed-off-by: Jeff Cody <jcody@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-11qemu-iotests: Discard preallocated zero clustersMax Reitz3-0/+77
Add a new test case for discarding preallocated zero clusters; doing this should not result in any leaks. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-11qemu-iotests: Additional info from qemu-img infoMax Reitz4-0/+135
Add a test for the additional information now provided by qemu-img info when used on qcow2 images. It also tests the qemu QMP output from the query-block command when running qemu with different runtime options than specified in the image (ImageInfoSpecific should always refer to the image). Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-11qemu-iotests: Discard specific info in _img_infoMax Reitz1-1/+19
In _img_info, filter out additional information specific to the image format provided by qemu-img info, since tests designed for multiple image formats would produce different outputs for every image format otherwise. In a human-readable dump, that new information will always be last for each "image information block" (multiple blocks are emitted when inspecting the backing file chain). Every block is separated by an empty line. Therefore, in this case, everything starting with the line "Format specific information:" up to that empty line (or EOF, if it is the last block) has to be stripped. The JSON dump will always emit pretty JSON data. Therefore, the opening and closing braces of every object will be on lines which are indented by exactly the same amount, and all lines in between will have more indentation. Thus, in this case, everything starting with a line matching the regular expression /^ *"format-specific": {/ until /^ *},?/ has to be stripped, where the number of spaces at the beginning of the respective lines is equal. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-09Merge remote-tracking branch 'stefanha/block' into stagingAnthony Liguori2-48/+16
# By Max Reitz (5) and others # Via Stefan Hajnoczi * stefanha/block: block: use correct filename qemu-iotests: Correct 026 output qcow2: Free allocated L2 cluster on error qcow2: Switch L1 table in a single sequence block: vhdx - add migration blocker block: use correct filename for error report qcow2: CHECK_OFLAG_COPIED is obsolete qcow2: Correct endianness in overlap check Message-id: 1381145289-6591-1-git-send-email-stefanha@redhat.com Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
2013-10-07qemu-iotests: Correct 026 outputMax Reitz2-48/+16
Because l2_allocate now frees the unused L2 cluster on error, the according test cases in 026 don't result in one leaked cluster anymore. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-10-01.gitignore: ignore tests/qemu-iotests/socket_scm_helperFam Zheng1-0/+1
Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Wenchao Xia<xiawenc@linux.vnet.ibm.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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