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authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>2021-04-28 18:17:33 +0300
committerKevin Wolf <kwolf@redhat.com>2021-04-30 12:27:47 +0200
commit3ca1f3225727419ba573673b744edac10904276f (patch)
treec9ccb7efa7c538152103bf670db977b8820118dd /block.c
parentae9d441706d7b7d624a342b464136804b3b7bc3a (diff)
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block: BdrvChildClass: add .get_parent_aio_context handler
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>
Diffstat (limited to 'block.c')
-rw-r--r--block.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/block.c b/block.c
index 1e7e890..2833912 100644
--- a/block.c
+++ b/block.c
@@ -1394,6 +1394,13 @@ static int bdrv_child_cb_update_filename(BdrvChild *c, BlockDriverState *base,
return 0;
}
+static AioContext *bdrv_child_cb_get_parent_aio_context(BdrvChild *c)
+{
+ BlockDriverState *bs = c->opaque;
+
+ return bdrv_get_aio_context(bs);
+}
+
const BdrvChildClass child_of_bds = {
.parent_is_bds = true,
.get_parent_desc = bdrv_child_get_parent_desc,
@@ -1407,8 +1414,14 @@ const BdrvChildClass child_of_bds = {
.can_set_aio_ctx = bdrv_child_cb_can_set_aio_ctx,
.set_aio_ctx = bdrv_child_cb_set_aio_ctx,
.update_filename = bdrv_child_cb_update_filename,
+ .get_parent_aio_context = bdrv_child_cb_get_parent_aio_context,
};
+AioContext *bdrv_child_get_parent_aio_context(BdrvChild *c)
+{
+ return c->klass->get_parent_aio_context(c);
+}
+
static int bdrv_open_flags(BlockDriverState *bs, int flags)
{
int open_flags = flags;