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author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2021-04-28 18:17:33 +0300 |
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committer | Kevin Wolf <kwolf@redhat.com> | 2021-04-30 12:27:47 +0200 |
commit | 3ca1f3225727419ba573673b744edac10904276f (patch) | |
tree | c9ccb7efa7c538152103bf670db977b8820118dd /block.c | |
parent | ae9d441706d7b7d624a342b464136804b3b7bc3a (diff) | |
download | qemu-3ca1f3225727419ba573673b744edac10904276f.zip qemu-3ca1f3225727419ba573673b744edac10904276f.tar.gz qemu-3ca1f3225727419ba573673b744edac10904276f.tar.bz2 |
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.c | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -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; |