diff options
| -rw-r--r-- | block/io.c | 18 | ||||
| -rw-r--r-- | include/block/block_int.h | 1 |
2 files changed, 19 insertions, 0 deletions
diff --git a/block/io.c b/block/io.c index 039c0d49c9..f75777f5ea 100644 --- a/block/io.c +++ b/block/io.c @@ -743,6 +743,24 @@ static bool is_request_serialising_and_aligned(BdrvTrackedRequest *req) } /** + * Return the tracked request on @bs for the current coroutine, or + * NULL if there is none. + */ +BdrvTrackedRequest *coroutine_fn bdrv_co_get_self_request(BlockDriverState *bs) +{ + BdrvTrackedRequest *req; + Coroutine *self = qemu_coroutine_self(); + + QLIST_FOREACH(req, &bs->tracked_requests, list) { + if (req->co == self) { + return req; + } + } + + return NULL; +} + +/** * Round a region to cluster boundaries */ void bdrv_round_to_clusters(BlockDriverState *bs, diff --git a/include/block/block_int.h b/include/block/block_int.h index 32fa323b63..dd033d0b37 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -1001,6 +1001,7 @@ void bdrv_unapply_subtree_drain(BdrvChild *child, BlockDriverState *old_parent); bool coroutine_fn bdrv_wait_serialising_requests(BdrvTrackedRequest *self); void bdrv_mark_request_serialising(BdrvTrackedRequest *req, uint64_t align); +BdrvTrackedRequest *coroutine_fn bdrv_co_get_self_request(BlockDriverState *bs); int get_tmp_filename(char *filename, int size); BlockDriver *bdrv_probe_all(const uint8_t *buf, int buf_size, |