qed: Add coroutine_fn to I/O path functions

Now that we stay in coroutine context for the whole request when doing
reads or writes, we can add coroutine_fn annotations to many functions
that can do I/O or yield directly.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/block/qed-cluster.c b/block/qed-cluster.c
index 88dc979d8c..d8d6e66a0f 100644
--- a/block/qed-cluster.c
+++ b/block/qed-cluster.c
@@ -86,8 +86,9 @@ static unsigned int qed_count_contiguous_clusters(BDRVQEDState *s,
  * On failure QED_CLUSTER_L2 or QED_CLUSTER_L1 is returned for missing L2 or L1
  * table offset, respectively. len is number of contiguous unallocated bytes.
  */
-int qed_find_cluster(BDRVQEDState *s, QEDRequest *request, uint64_t pos,
-                     size_t *len, uint64_t *img_offset)
+int coroutine_fn qed_find_cluster(BDRVQEDState *s, QEDRequest *request,
+                                  uint64_t pos, size_t *len,
+                                  uint64_t *img_offset)
 {
     uint64_t l2_offset;
     uint64_t offset = 0;