Files
qemu/tests/qemu-iotests
Stefan Hajnoczi c4c124f331 Merge tag 'pull-parallels-2023-09-20-v2' of https://src.openvz.org/scm/~den/qemu into staging
Parallels format driver:
* regular calculation of cluster used bitmap of the image file
* cluster allocation on the base of that bitmap (effectively allocation of
  new clusters could be done inside the image if that offset space is unused)
* support of DISCARD and WRITE_ZEROES operations
* image check bugfixes
* unit tests fixes
* unit tests covering new functionality

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* tag 'pull-parallels-2023-09-20-v2' of https://src.openvz.org/scm/~den/qemu: (22 commits)
  tests: extend test 131 to cover availability of the write-zeroes
  parallels: naive implementation of parallels_co_pwrite_zeroes
  tests: extend test 131 to cover availability of the discard operation
  parallels: naive implementation of parallels_co_pdiscard
  parallels: improve readability of allocate_clusters
  parallels: naive implementation of allocate_clusters with used bitmap
  parallels: update used bitmap in allocate_cluster
  parallels: accept multiple clusters in mark_used()
  tests: test self-cure of parallels image with duplicated clusters
  tests: fix broken deduplication check in parallels format test
  parallels: collect bitmap of used clusters at open
  parallels: add test which will validate data_off fixes through repair
  parallels: fix broken parallels_check_data_off()
  tests: ensure that image validation will not cure the corruption
  parallels: create mark_used() helper which sets bit in used bitmap
  parallels: refactor path when we need to re-check image in parallels_open
  parallels: return earlier from parallels_open() function on error
  parallels: return earler in fail_format branch in parallels_open()
  parallels: invent parallels_opts_prealloc() helper to parse prealloc opts
  parallels: fix memory leak in parallels_open()
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-09-21 09:32:07 -04:00
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=== 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.