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qemu-img: properly list formats which have consistency check implemented 

Simple grep for the .bdrv_co_check callback presence gives the following
list of block drivers
* QED
* VDI
* VHDX
* VMDK
* Parallels
which have this callback. The presense of the callback means that
consistency check is supported.

The patch updates documentation accordingly.

Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Kevin Wolf <kwolf@redhat.com>
CC: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220407083932.531965-1-den@openvz.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
master
Denis V. Lunev 2022-04-07 11:39:32 +03:00 committed by Kevin Wolf
parent 2e3408b3cc
commit 8e28b65f52
1 changed files with 2 additions and 2 deletions
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4
docs/tools/qemu-img.rst
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@ -332,8 +332,8 @@ Command description:
``-r all`` fixes all kinds of errors, with a higher risk of choosing the
wrong fix or hiding corruption that has already occurred.
Only the formats ``qcow2``, ``qed`` and ``vdi`` support
consistency checks.
Only the formats ``qcow2``, ``qed``, ``parallels``, ``vhdx``, ``vmdk`` and
``vdi`` support consistency checks.
In case the image does not have any inconsistencies, check exits with ``0``.
Other exit codes indicate the kind of inconsistency found or if another error