[PATCH 15/26] copy-before-write: add missing coroutine_fn annotations

[Paolo Bonzini]

Callers of coroutine_fn must be coroutine_fn themselves, or the call
must be within "if (qemu_in_coroutine())".  Apply coroutine_fn to
functions where this holds.

Reviewed-by: Alberto Faria <afaria@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 block/copy-before-write.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/block/copy-before-write.c b/block/copy-before-write.c
index c24b8dd117..14af7eb753 100644
--- a/block/copy-before-write.c
+++ b/block/copy-before-write.c
@@ -203,9 +203,9 @@ static int coroutine_fn cbw_co_flush(BlockDriverState *bs)
  * It's guaranteed that guest writes will not interact in the region until
  * cbw_snapshot_read_unlock() called.
  */
-static BlockReq *cbw_snapshot_read_lock(BlockDriverState *bs,
-                                        int64_t offset, int64_t bytes,
-                                        int64_t *pnum, BdrvChild **file)
+static coroutine_fn BlockReq *cbw_snapshot_read_lock(BlockDriverState *bs,
+                                                     int64_t offset, int64_t 
bytes,
+                                                     int64_t *pnum, BdrvChild 
**file)
 {
     BDRVCopyBeforeWriteState *s = bs->opaque;
     BlockReq *req = g_new(BlockReq, 1);
@@ -240,7 +240,7 @@ static BlockReq *cbw_snapshot_read_lock(BlockDriverState 
*bs,
     return req;
 }
 
-static void cbw_snapshot_read_unlock(BlockDriverState *bs, BlockReq *req)
+static coroutine_fn void cbw_snapshot_read_unlock(BlockDriverState *bs, 
BlockReq *req)
 {
     BDRVCopyBeforeWriteState *s = bs->opaque;
 
-- 
2.37.3