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migration: Deprecate zero-blocks capability

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The zero-blocks capability was meant to be used along with the block
migration, which has been removed already in commit eef0bae3a7
("migration: Remove block migration").

Setting zero-blocks is currently a noop, but the outright removal of
the capability would cause and error in case some users are still
setting it. Put the capability through the deprecation process.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240919134626.166183-4-dave@treblig.org
Signed-off-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Fabiano Rosas 2024-09-19 14:46:22 +01:00 • committed by Peter Xu
parent 21ed5ff606
commit 73581a041e
3 changed files with 14 additions and 1 deletions
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6
docs/about/deprecated.rst
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@ -467,3 +467,9 @@ usage of providing a file descriptor to a plain file has been
deprecated in favor of explicitly using the ``file:`` URI with the
file descriptor being passed as an ``fdset``. Refer to the ``add-fd``
command documentation for details on the ``fdset`` usage.
``zero-blocks`` capability (since 9.2)
''''''''''''''''''''''''''''''''''''''
The ``zero-blocks`` capability was part of the block migration which
doesn't exist anymore since it was removed in QEMU v9.1.