qcow2: Don't check nb_clusters when removing l2meta from the list
In the past, when a new cluster was allocated the l2meta structure was
a variable in the stack so it was necessary to have a way to tell
whether it had been initialized and contained valid data or not. The
nb_clusters field was used for this purpose. Since commit f50f88b9fe
this is no longer the case, l2meta (nowadays a pointer to a list) is
only allocated when needed and nb_clusters is guaranteed to be > 0 so
this check is unnecessary.
Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-Id: <ab0b67c29c7ba26e598db35f12aa5ab5982539c1.1599150873.git.berto@igalia.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
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@ -2111,9 +2111,7 @@ static coroutine_fn int qcow2_handle_l2meta(BlockDriverState *bs,
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}
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/* Take the request off the list of running requests */
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if (l2meta->nb_clusters != 0) {
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QLIST_REMOVE(l2meta, next_in_flight);
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}
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QLIST_REMOVE(l2meta, next_in_flight);
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qemu_co_queue_restart_all(&l2meta->dependent_requests);
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