diff --git a/include/block/block-io.h b/include/block/block-io.h
index f3d49ea05f..7e76bb647a 100644
--- a/include/block/block-io.h
+++ b/include/block/block-io.h
@@ -143,7 +143,7 @@ int bdrv_get_flags(BlockDriverState *bs);
 bool coroutine_fn bdrv_co_is_inserted(BlockDriverState *bs);
 bool co_wrapper bdrv_is_inserted(BlockDriverState *bs);
 
-void bdrv_lock_medium(BlockDriverState *bs, bool locked);
+void coroutine_fn bdrv_co_lock_medium(BlockDriverState *bs, bool locked);
 void coroutine_fn bdrv_co_eject(BlockDriverState *bs, bool eject_flag);
 
 const char *bdrv_get_format_name(BlockDriverState *bs);
diff --git a/include/block/block_int-common.h b/include/block/block_int-common.h
index fd31b37567..0de99682e2 100644
--- a/include/block/block_int-common.h
+++ b/include/block/block_int-common.h
@@ -712,7 +712,7 @@ struct BlockDriver {
     /* removable device specific */
     bool coroutine_fn (*bdrv_is_inserted)(BlockDriverState *bs);
     void coroutine_fn (*bdrv_eject)(BlockDriverState *bs, bool eject_flag);
-    void (*bdrv_lock_medium)(BlockDriverState *bs, bool locked);
+    void coroutine_fn (*bdrv_lock_medium)(BlockDriverState *bs, bool locked);
 
     /* to control generic scsi devices */
     BlockAIOCB *(*bdrv_aio_ioctl)(BlockDriverState *bs,
diff --git a/include/sysemu/block-backend-io.h b/include/sysemu/block-backend-io.h
index 00209625e1..780c1e5f77 100644
--- a/include/sysemu/block-backend-io.h
+++ b/include/sysemu/block-backend-io.h
@@ -58,7 +58,9 @@ bool coroutine_fn blk_co_is_inserted(BlockBackend *blk);
 bool co_wrapper_mixed blk_is_inserted(BlockBackend *blk);
 
 bool blk_is_available(BlockBackend *blk);
-void blk_lock_medium(BlockBackend *blk, bool locked);
+
+void coroutine_fn blk_co_lock_medium(BlockBackend *blk, bool locked);
+void co_wrapper blk_lock_medium(BlockBackend *blk, bool locked);
 
 void coroutine_fn blk_co_eject(BlockBackend *blk, bool eject_flag);
 void co_wrapper blk_eject(BlockBackend *blk, bool eject_flag);
diff --git a/block.c b/block.c
index 11647e49db..d5e660bc9d 100644
--- a/block.c
+++ b/block.c
@@ -6834,7 +6834,7 @@ void coroutine_fn bdrv_co_eject(BlockDriverState *bs, bool eject_flag)
  * Lock or unlock the media (if it is locked, the user won't be able
  * to eject it manually).
  */
-void bdrv_lock_medium(BlockDriverState *bs, bool locked)
+void coroutine_fn bdrv_co_lock_medium(BlockDriverState *bs, bool locked)
 {
     BlockDriver *drv = bs->drv;
     IO_CODE();
diff --git a/block/block-backend.c b/block/block-backend.c
index 233ce6d05a..fcc9ede031 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -1999,13 +1999,13 @@ bool blk_is_available(BlockBackend *blk)
     return blk_is_inserted(blk) && !blk_dev_is_tray_open(blk);
 }
 
-void blk_lock_medium(BlockBackend *blk, bool locked)
+void coroutine_fn blk_co_lock_medium(BlockBackend *blk, bool locked)
 {
     BlockDriverState *bs = blk_bs(blk);
     IO_CODE();
 
     if (bs) {
-        bdrv_lock_medium(bs, locked);
+        bdrv_co_lock_medium(bs, locked);
     }
 }
 
diff --git a/block/copy-on-read.c b/block/copy-on-read.c
index 76f884a6ae..ccc767f37b 100644
--- a/block/copy-on-read.c
+++ b/block/copy-on-read.c
@@ -224,7 +224,7 @@ static void cor_eject(BlockDriverState *bs, bool eject_flag)
 
 static void cor_lock_medium(BlockDriverState *bs, bool locked)
 {
-    bdrv_lock_medium(bs->file->bs, locked);
+    bdrv_co_lock_medium(bs->file->bs, locked);
 }
 
 
diff --git a/block/filter-compress.c b/block/filter-compress.c
index 571e4684dd..e10312c225 100644
--- a/block/filter-compress.c
+++ b/block/filter-compress.c
@@ -124,7 +124,7 @@ static void compress_eject(BlockDriverState *bs, bool eject_flag)
 
 static void compress_lock_medium(BlockDriverState *bs, bool locked)
 {
-    bdrv_lock_medium(bs->file->bs, locked);
+    bdrv_co_lock_medium(bs->file->bs, locked);
 }
 
 
diff --git a/block/raw-format.c b/block/raw-format.c
index efe1ef0265..adc766bf79 100644
--- a/block/raw-format.c
+++ b/block/raw-format.c
@@ -410,7 +410,7 @@ static void raw_eject(BlockDriverState *bs, bool eject_flag)
 
 static void raw_lock_medium(BlockDriverState *bs, bool locked)
 {
-    bdrv_lock_medium(bs->file->bs, locked);
+    bdrv_co_lock_medium(bs->file->bs, locked);
 }
 
 static int coroutine_fn raw_co_ioctl(BlockDriverState *bs,
