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block: BdrvChildClass: add .get_parent_aio_context handler

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Add new handler to get aio context and implement it in all child
classes. Add corresponding public interface to be used soon.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20210428151804.439460-6-vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2021-04-28 18:17:33 +03:00 • committed by Kevin Wolf
parent ae9d441706
commit 3ca1f32257
5 changed files with 34 additions and 0 deletions
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8
blockjob.c
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@ -163,6 +163,13 @@ static void child_job_set_aio_ctx(BdrvChild *c, AioContext *ctx,
job->job.aio_context = ctx;
}
static AioContext *child_job_get_parent_aio_context(BdrvChild *c)
{
BlockJob *job = c->opaque;
return job->job.aio_context;
}
static const BdrvChildClass child_job = {
.get_parent_desc = child_job_get_parent_desc,
.drained_begin = child_job_drained_begin,
@ -171,6 +178,7 @@ static const BdrvChildClass child_job = {
.can_set_aio_ctx = child_job_can_set_aio_ctx,
.set_aio_ctx = child_job_set_aio_ctx,
.stay_at_node = true,
.get_parent_aio_context = child_job_get_parent_aio_context,
};
void block_job_remove_all_bdrv(BlockJob *job)