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* qemu-iotests: add 184 for throttle filter driverManos Pitsidianakis2017-09-061-0/+1
| | | | | | | Reviewed-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Manos Pitsidianakis <el13635@mail.ntua.gr> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qemu-iotests: add 194 non-shared storage migration testStefan Hajnoczi2017-08-231-0/+1
| | | | | | | | | | | | Non-shared storage migration with NBD and drive-mirror is currently not tested by qemu-iotests. This test case covers the basic migration scenario. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Based-on: <20170823134242.12080-1-famz@redhat.com> Message-Id: <20170823140506.28723-1-stefanha@redhat.com> Tested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
* iotests: Add non-shared storage migration case 192Fam Zheng2017-08-151-0/+1
| | | | | | | Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <20170815130740.31229-5-famz@redhat.com> Tested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
* qemu-iotests: Test reopen between read-only and read-writeKevin Wolf2017-08-081-0/+1
| | | | | | | | | | This serves as a regression test for the bugs that were just fixed for bdrv_reopen() between read-only and read-write mode. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com>
* iotests: Add test of recent fix to 'qemu-img measure'Eric Blake2017-08-011-0/+1
| | | | | | | | | | | The new test 190 ensures we don't regress back to an infinite loop when measuring the size of a 2T+ qcow2 image. I did not append to test 178, because that test is also designed to run with format 'raw'; also, this gives us some coverage of the measure command under the quick group. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* iotests: Remove a few tests from 'quick' groupEric Blake2017-07-241-2/+2
| | | | | | | | | | | | A run of './check -qcow2 -g quick' on my machine produced only two tests that took longer than 5 seconds; 178 took 18, and 189 took 7. Remove them from the quick group. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qemu-iotests: Test 'info block'Kevin Wolf2017-07-181-0/+1
| | | | | | | | | This test makes sure that all block devices show up on 'info block', with all of the expected information, in different configurations. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com>
* iotests: Add preallocated growth test for qcow2Max Reitz2017-07-111-0/+1
| | | | | | | Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20170613202107.10125-17-mreitz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
* iotests: Add preallocated resize test for rawMax Reitz2017-07-111-0/+1
| | | | | | | Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20170613202107.10125-16-mreitz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
* iotests: add test 178 for qemu-img measureStefan Hajnoczi2017-07-111-0/+1
| | | | | | | Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Message-id: 20170705125738.8777-10-stefanha@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
* iotests: Add test for colon handlingMax Reitz2017-07-111-0/+1
| | | | | | | Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com> Message-id: 20170702150510.23276-3-mreitz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
* iotests: test qcow2 persistent dirty bitmapVladimir Sementsov-Ogievskiy2017-07-111-0/+1
| | | | | | | Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-id: 20170628120530.31251-27-vsementsov@virtuozzo.com Signed-off-by: Max Reitz <mreitz@redhat.com>
* qcow2: add iotests to cover LUKS encryption supportDaniel P. Berrange2017-07-111-0/+2
| | | | | | | | | | | | | | This extends the 087 iotest to cover LUKS encryption when doing blockdev-add. Two further tests are added to validate read/write of LUKS encrypted images with a single file and with a backing file. Reviewed-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20170623162419.26068-15-berrange@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
* qemu-iotests: Test exiting qemu with running jobKevin Wolf2017-06-261-0/+1
| | | | | | | | | When qemu is exited, all running jobs should be cancelled successfully. This adds a test for this for all types of block jobs that currently exist in qemu. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* qemu-iotests: Block migration testKevin Wolf2017-06-091-0/+1
| | | | | | Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* iotests: Add test 179 to cover write zeroes with unmapEric Blake2017-05-111-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | No tests were covering write zeroes with unmap. Additionally, I needed to prove that my previous patches for correct status reporting and write zeroes optimizations actually had an impact. The test works for cluster_size between 8k and 2M (for smaller sizes, it fails because our allocation patterns are not contiguous with small clusters - in part, the largest consecutive allocation we tend to get is often bounded by the size covered by one L2 table). Note that testing for zero clusters is tricky: 'qemu-io map' reports whether data comes from the current layer of the image (useful for sniffing out which regions of the file have QCOW_OFLAG_ZERO) - but doesn't show which clusters have mappings; while 'qemu-img map' sees "zero":true for both unallocated and zero clusters for any qcow2 with no backing layer (so less useful at detecting true zero clusters), but reliably shows mappings. So we have to rely on both queries side-by-side at each point of the test. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-id: 20170507000552.20847-10-eblake@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
* tests: Add coverage for recent block geometry fixesEric Blake2017-05-111-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use blkdebug's new geometry constraints to emulate setups that have needed past regression fixes: write zeroes asserting when running through a loopback block device with max-transfer smaller than cluster size, and discard rounding away portions of requests not aligned to preferred boundaries. Also, add coverage that the block layer is honoring max transfer limits. For now, a single iotest performs all actions, with the idea that we can add future blkdebug constraint test cases in the same file; but it can be split into multiple iotests if we find reason to run one portion of the test in more setups than what are possible in the other. For reference, the final portion of the test (checking whether discard passes as much as possible to the lowest layers of the stack) works as follows: qemu-io: discard 30M at 80000001, passed to blkdebug blkdebug: discard 511 bytes at 80000001, -ENOTSUP (smaller than blkdebug's 512 align) blkdebug: discard 14371328 bytes at 80000512, passed to qcow2 qcow2: discard 739840 bytes at 80000512, -ENOTSUP (smaller than qcow2's 1M align) qcow2: discard 13M bytes at 77M, succeeds blkdebug: discard 15M bytes at 90M, passed to qcow2 qcow2: discard 15M bytes at 90M, succeeds blkdebug: discard 1356800 bytes at 105M, passed to qcow2 qcow2: discard 1M at 105M, succeeds qcow2: discard 308224 bytes at 106M, -ENOTSUP (smaller than qcow2's 1M align) blkdebug: discard 1 byte at 111457280, -ENOTSUP (smaller than blkdebug's 512 align) Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-id: 20170429191419.30051-10-eblake@redhat.com [mreitz: For cooperation with image locking, add -r to the qemu-io invocation which verifies the image content] Signed-off-by: Max Reitz <mreitz@redhat.com>
* tests: Add POSIX image locking test case 182Fam Zheng2017-05-111-0/+1
| | | | | Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qemu-iotests: Add test case 153 for image lockingFam Zheng2017-05-111-0/+1
| | | | | Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qemu-iotests: Test postcopy migrationKevin Wolf2017-04-271-0/+1
| | | | | Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
* iotests: fix 097 when run with qcowDaniel P. Berrange2017-04-031-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The previous commit: commit a3e1505daec31ef56f0489f8c8fff1b8e4ca92bd Author: Eric Blake <eblake@redhat.com> Date: Mon Dec 5 09:49:34 2016 -0600 qcow2: Don't strand clusters near 2G intervals during commit extended the 097 test case so that it did two passes, once with an internal snapshot, once without. qcow (v1) does not support internal snapshots, so this change broke test 097 when run against qcow. This splits 097 in two, creating a new 176 that tests the internal snapshot codepath, effectively putting 097 back to its content before the above commit. Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20170221115512.21918-8-berrange@redhat.com> [eblake: test collisions: s/173/176/g] Signed-off-by: Eric Blake <eblake@redhat.com> Message-id: 20170331185356.2479-2-eblake@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
* qemu-img: Add tests for raw image preallocationNir Soffer2017-02-241-0/+1
| | | | | | | | Add tests for creating raw image with and without the preallocation option. Signed-off-by: Nir Soffer <nirsof@gmail.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qemu-io: Add failure regression testsNir Soffer2017-02-121-0/+1
| | | | | | | | | | Add regression tests checking that qemu-io fails with non-zero exit code when reading non-existing file or using the wrong image format. Signed-off-by: Nir Soffer <nirsof@gmail.com> Message-id: 20170201003120.23378-4-nirsof@gmail.com Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
* qemu-iotest: test to lookup protocol-based image with relative backingJeff Cody2017-02-121-0/+1
| | | | | | | | | | | This test uses NFS and block-stream to force a lookup of a backing image that has a relative filename, but a full backing image name with the protocol path intact. Signed-off-by: Jeff Cody <jcody@redhat.com> Message-id: 1a7a3d6e6d8af36cd5b47ed6ea93b5a9ededf81b.1485392617.git.jcody@redhat.com Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
* qemu-iotests: test 'offset' and 'size' options in raw driverTomáš Golembiovský2016-10-311-0/+1
| | | | | Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* Merge remote-tracking branch 'remotes/jnsnow/tags/ide-pull-request' into stagingPeter Maydell2016-10-281-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | # gpg: Signature made Thu 27 Oct 2016 22:15:57 BST # gpg: using RSA key 0x7DEF8106AAFC390E # gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" # Primary key fingerprint: FAEB 9711 A12C F475 812F 18F2 88A9 064D 1835 61EB # Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76 CBD0 7DEF 8106 AAFC 390E * remotes/jnsnow/tags/ide-pull-request: qemu-iotests: Test creating floppy drives fdc: Move qdev properties to FloppyDrive fdc: Add a floppy drive qdev fdc: Add a floppy qbus macio: switch over to new byte-aligned DMA helpers dma-helpers: explicitly pass alignment into DMA helpers Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * qemu-iotests: Test creating floppy drivesKevin Wolf2016-10-271-0/+1
| | | | | | | | | | | | | | | | | | This tests the different supported methods to create floppy drives and how they interact. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-id: 1477386868-21826-5-git-send-email-kwolf@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
* | iotests: Add test for NBD's blockdev-add interfaceMax Reitz2016-10-271-0/+1
|/ | | | | Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qcow2: fix encryption during cow of sectorsDaniel P. Berrange2016-09-231-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Broken in previous commit: commit aaa4d20b4972bb1a811ce929502e6741835d584e Author: Kevin Wolf <kwolf@redhat.com> Date: Wed Jun 1 15:21:05 2016 +0200 qcow2: Make copy_sectors() byte based The copy_sectors() code was originally using the 'sector' parameter for encryption, which was passed in by the caller from the QCowL2Meta.offset field (aka the guest logical offset). After the change, the code is using 'cluster_offset' which was passed in from QCow2L2Meta.alloc_offset field (aka the host physical offset). This would cause the data to be encrypted using an incorrect initialization vector which will in turn cause later reads to return garbage. Although current qcow2 built-in encryption is blocked from usage in the emulator, one could still hit this if writing to the file via qemu-{img,io,nbd} commands. Cc: qemu-stable@nongnu.org Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qemu-img: add skip option to ddReda Sallahi2016-09-201-0/+1
| | | | | | | | | | | This adds the skip option which allows qemu-img dd to skip a number of blocks before copying the input. A test case was added to test the skip option. Signed-off-by: Reda Sallahi <fullmanet@gmail.com> Message-id: 20160810141609.32727-1-fullmanet@gmail.com Signed-off-by: Max Reitz <mreitz@redhat.com>
* qemu-img: add the 'dd' subcommandReda Sallahi2016-09-201-0/+2
| | | | | | | | | | | | | | | | | | | This patch adds a basic dd subcommand analogous to dd(1) to qemu-img. For the start, this implements the bs, if, of and count options and requires both if and of to be specified (no stdin/stdout if not specified) and doesn't support tty, pipes, etc. The image format must be specified with -O for the output if the raw format is not the intended one. Two tests are added to test qemu-img dd. Signed-off-by: Reda Sallahi <fullmanet@gmail.com> Message-id: 20160810024312.14544-1-fullmanet@gmail.com Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> [mreitz: Moved test 158 to 170] Signed-off-by: Max Reitz <mreitz@redhat.com>
* iotests: Test case for wrong runtime option typesMax Reitz2016-08-151-0/+1
| | | | | | | Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qemu-iotests: Test setting WCE with qdevKevin Wolf2016-07-131-0/+1
| | | | | Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
* iotests: Add test for oVirt-like storage migrationMax Reitz2016-06-161-0/+1
| | | | | | | | Signed-off-by: Max Reitz <mreitz@redhat.com> Message-id: 20160610185750.30956-6-mreitz@redhat.com Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
* iotests: Add test for post-mirror backing chainsMax Reitz2016-06-161-0/+1
| | | | | | | | Signed-off-by: Max Reitz <mreitz@redhat.com> Message-id: 20160610185750.30956-5-mreitz@redhat.com Reviewed-by: Fam Zheng <famz@redhat.com> [mreitz@redhat.com: Removed unnecessary imports] Signed-off-by: Max Reitz <mreitz@redhat.com>
* qemu-iotests: Some more write_zeroes testsKevin Wolf2016-05-191-0/+1
| | | | | | | | | | | | | | | | This covers some more write_zeroes cases which are relevant for the recent qcow2 optimisations that check the allocation status of the backing file for partial cluster write_zeroes requests. This needs to be separate from 034 because we can only support qcow2 in this test case for multiple reasons: We check the allocation status after write_zeroes with 'qemu-img map' and the optimised behaviour that produces zero clusters is only implemented in qcow2; second, the map command returns offsets that are qcow2 specific; and finally, we also use 512 byte clusters which aren't supported for formats like qed. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* block: Remove bdrv_aio_multiwrite()Kevin Wolf2016-05-191-1/+1
| | | | | | | | | | Since virtio-blk implements request merging itself these days, the only remaining users are test cases for the function. That doesn't make the function exactly useful any more. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* iotests: Test case for drive-mirror with unaligned image sizeFam Zheng2016-04-201-0/+1
| | | | | | | | | | | | This is the regression test for the virtual size mismatch issue between target and source images. [ kwolf: Added test_unaligned_with_update ] Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com>
* iotests: Test qemu-img convert -S 0 behaviorMax Reitz2016-03-301-0/+1
| | | | | | | | | | | Passing -S 0 to qemu-img convert should result in all source data being copied to the output, even if that source data is known to be 0. The output image should therefore have exactly the same size on disk as an image which we explicitly filled with data. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: an interoperability test for luks vs dm-crypt/cryptsetupDaniel P. Berrange2016-03-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is important that the QEMU luks implementation retains 100% compatibility with the reference implementation provided by the combination of the linux kernel dm-crypt module and cryptsetup userspace tools. There is a matrix of tests to be performed with different sets of encryption settings. For each matrix entry, two tests will be performed. One will create a LUKS image with the cryptsetup tool and then do I/O with both cryptsetup & qemu-io. The other will create the image with qemu-img and then again do I/O with both cryptsetup and qemu-io. The new I/O test 149 performs interoperability testing between QEMU and the reference implementation. Such testing inherantly requires elevated privileges, so to this this the user must have configured passwordless sudo access. The test will automatically skip if sudo is not available. The test has to be run explicitly thus: cd tests/qemu-iotests ./check -luks 149 Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* iotests: Add test for QMP event ratesAlberto Garcia2016-03-141-0/+1
| | | | | | | | | | | | | | | This test verifies that the rate-limited QMP events are emitted at a maximum rate of 1 per second as defined in monitor_qapi_event_conf in monitor.c It also checks that QUORUM_REPORT_BAD events generated from different nodes are kept in separate queues so they don't mask each other. Signed-off-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-id: 0dbd3ee88a59a6363042ad81cfb345037bfbf612.1457610443.git.berto@igalia.com [mreitz@redhat.com: Renamed test from 146 to 148] Signed-off-by: Max Reitz <mreitz@redhat.com>
* block/vpc: tests for auto-detecting VPC and Hyper-V VHD imagesJeff Cody2016-03-141-0/+1
| | | | | | | | | | | | | | This tests auto-detection, and overrides, of VHD image sizes created by Virtual PC, Hyper-V, and Disk2vhd. This adds three sample images: hyperv2012r2-dynamic.vhd.bz2 - dynamic VHD image created with Hyper-V virtualpc-dynamic.vhd.bz2 - dynamic VHD image created with Virtual PC d2v-zerofilled.vhd.bz2 - dynamic VHD image created with Disk2vhd Signed-off-by: Jeff Cody <jcody@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: Fix -incoming with snapshot=onKevin Wolf2016-02-221-0/+1
| | | | | | | | | | | | | The BDRV_O_INACTIVE flag should only be set for images explicitly opened by the user. snapshot=on needs to create a new qcow2 image and write some metadata to it. This is not a problem because it can't come from the source, so there's no reason to mark it as BDRV_O_INACTIVE, even though it is opened while waiting for the migration to complete. This fixes an assertion failure when -incoming and snapshot=on are combined. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: qemu-iotests - add test for snapshot, commit, snapshot bugJeff Cody2016-02-021-0/+1
| | | | | | | | Signed-off-by: Jeff Cody <jcody@redhat.com> Message-id: 2dbc05efba2f683cb3aaf71aaa9b776ebf7ec57c.1454376655.git.jcody@redhat.com Reviewed-by: Max Reitz <mreitz@redhat.com> [Moved test number from 143 to 144] Signed-off-by: Max Reitz <mreitz@redhat.com>
* iotests: Add test for block jobs and BDS ejectionMax Reitz2016-02-021-0/+1
| | | | | | | Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* iotests: Add test for multiple BB on BDS treeMax Reitz2016-02-021-0/+1
| | | | | | | | | | | | | | | This adds a test for having multiple BlockBackends in one BDS tree. In this case, there is one BB for the protocol BDS and one BB for the format BDS in a simple two-BDS tree (with the protocol BDS and BB added first). When bdrv_close_all() is executed, no cached data from any BDS should be lost; the protocol BDS may not be closed until the format BDS is closed. Otherwise, metadata updates may be lost. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* iotests: Add test for eject under NBD serverMax Reitz2016-02-021-0/+1
| | | | | | | | | | This patch adds a test for ejecting the BlockBackend an NBD server is connected to (the NBD server is supposed to stop). Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* iotests: Add test for a nonexistent NBD exportMax Reitz2016-02-021-0/+1
| | | | | | | | | Trying to connect to a nonexistent NBD export should not crash the server. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qemu-iotests: Test reopen with node-name/driver optionsKevin Wolf2015-12-181-0/+1
| | | | | | | | | 'node-name' and 'driver' should not be changed during a reopen operation. It is, however, valid to specify them with the same value as they already had. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
* qemu-iotests: Test cache mode option inheritanceKevin Wolf2015-12-181-0/+1
| | | | | | | | | | | This is doing a more complete test on setting cache modes both while opening an image (i.e. in a -drive command line) and in reopen situations. It checks that reopen can specify options for child nodes and that cache modes are correctly inherited from parent nodes where they are not specified. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
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