From c28107e9e55b11cd35cf3dc2505e3e69d10dcf13 Mon Sep 17 00:00:00 2001 From: Max Reitz Date: Fri, 1 Nov 2019 16:25:09 +0100 Subject: block: Add bdrv_co_get_self_request() Cc: qemu-stable@nongnu.org Signed-off-by: Max Reitz Message-id: 20191101152510.11719-3-mreitz@redhat.com Signed-off-by: Max Reitz --- block/io.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'block') diff --git a/block/io.c b/block/io.c index 039c0d4..f75777f 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, -- cgit v1.1