diff --git a/block/copy-before-write.c b/block/copy-before-write.c
index aeaff3bb82..4ffabc5ca2 100644
--- a/block/copy-before-write.c
+++ b/block/copy-before-write.c
@@ -305,7 +305,7 @@ cbw_co_snapshot_block_status(BlockDriverState *bs,
         return -EACCES;
     }
 
-    ret = bdrv_block_status(child->bs, offset, cur_bytes, pnum, map, file);
+    ret = bdrv_co_block_status(child->bs, offset, cur_bytes, pnum, map, file);
     if (child == s->target) {
         /*
          * We refer to s->target only for areas that we've written to it.
diff --git a/block/copy-on-read.c b/block/copy-on-read.c
index b4d6b7efc3..5149fcf63a 100644
--- a/block/copy-on-read.c
+++ b/block/copy-on-read.c
@@ -146,11 +146,11 @@ cor_co_preadv_part(BlockDriverState *bs, int64_t offset, int64_t bytes,
         local_flags = flags;
 
         /* In case of failure, try to copy-on-read anyway */
-        ret = bdrv_is_allocated(bs->file->bs, offset, bytes, &n);
+        ret = bdrv_co_is_allocated(bs->file->bs, offset, bytes, &n);
         if (ret <= 0) {
-            ret = bdrv_is_allocated_above(bdrv_backing_chain_next(bs->file->bs),
-                                          state->bottom_bs, true, offset,
-                                          n, &n);
+            ret = bdrv_co_is_allocated_above(bdrv_backing_chain_next(bs->file->bs),
+                                             state->bottom_bs, true, offset,
+                                             n, &n);
             if (ret > 0 || ret < 0) {
                 local_flags |= BDRV_REQ_COPY_ON_READ;
             }
diff --git a/block/io.c b/block/io.c
index b15a1ea880..9e170929a7 100644
--- a/block/io.c
+++ b/block/io.c
@@ -1223,8 +1223,8 @@ bdrv_co_do_copy_on_readv(BdrvChild *child, int64_t offset, int64_t bytes,
             ret = 1; /* "already allocated", so nothing will be copied */
             pnum = MIN(align_bytes, max_transfer);
         } else {
-            ret = bdrv_is_allocated(bs, align_offset,
-                                    MIN(align_bytes, max_transfer), &pnum);
+            ret = bdrv_co_is_allocated(bs, align_offset,
+                                       MIN(align_bytes, max_transfer), &pnum);
             if (ret < 0) {
                 /*
                  * Safe to treat errors in querying allocation as if
@@ -1371,7 +1371,7 @@ bdrv_aligned_preadv(BdrvChild *child, BdrvTrackedRequest *req,
         /* The flag BDRV_REQ_COPY_ON_READ has reached its addressee */
         flags &= ~BDRV_REQ_COPY_ON_READ;
 
-        ret = bdrv_is_allocated(bs, offset, bytes, &pnum);
+        ret = bdrv_co_is_allocated(bs, offset, bytes, &pnum);
         if (ret < 0) {
             goto out;
         }
diff --git a/block/mirror.c b/block/mirror.c
index 3cc0757a03..dcd88de2e3 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -559,9 +559,9 @@ static void coroutine_fn mirror_iteration(MirrorBlockJob *s)
 
         assert(!(offset % s->granularity));
         WITH_GRAPH_RDLOCK_GUARD() {
-            ret = bdrv_block_status_above(source, NULL, offset,
-                                        nb_chunks * s->granularity,
-                                        &io_bytes, NULL, NULL);
+            ret = bdrv_co_block_status_above(source, NULL, offset,
+                                             nb_chunks * s->granularity,
+                                             &io_bytes, NULL, NULL);
         }
         if (ret < 0) {
             io_bytes = MIN(nb_chunks * s->granularity, max_io_bytes);
@@ -879,8 +879,8 @@ static int coroutine_fn mirror_dirty_init(MirrorBlockJob *s)
         }
 
         WITH_GRAPH_RDLOCK_GUARD() {
-            ret = bdrv_is_allocated_above(bs, s->base_overlay, true, offset,
-                                          bytes, &count);
+            ret = bdrv_co_is_allocated_above(bs, s->base_overlay, true, offset,
+                                             bytes, &count);
         }
         if (ret < 0) {
             return ret;
diff --git a/block/qcow2.c b/block/qcow2.c
index 5a3c537f14..6e9c731bac 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -3991,7 +3991,8 @@ finish:
 }
 
 
-static bool is_zero(BlockDriverState *bs, int64_t offset, int64_t bytes)
+static bool coroutine_fn GRAPH_RDLOCK
+is_zero(BlockDriverState *bs, int64_t offset, int64_t bytes)
 {
     int64_t nr;
     int res;
@@ -4012,7 +4013,7 @@ static bool is_zero(BlockDriverState *bs, int64_t offset, int64_t bytes)
      * backing file. So, we need a loop.
      */
     do {
-        res = bdrv_block_status_above(bs, NULL, offset, bytes, &nr, NULL, NULL);
+        res = bdrv_co_block_status_above(bs, NULL, offset, bytes, &nr, NULL, NULL);
         offset += nr;
         bytes -= nr;
     } while (res >= 0 && (res & BDRV_BLOCK_ZERO) && nr && bytes);
diff --git a/block/replication.c b/block/replication.c
index dd166d2d82..4ad3dd5115 100644
--- a/block/replication.c
+++ b/block/replication.c
@@ -276,10 +276,10 @@ replication_co_writev(BlockDriverState *bs, int64_t sector_num,
     while (remaining_sectors > 0) {
         int64_t count;
 
-        ret = bdrv_is_allocated_above(top->bs, base->bs, false,
-                                      sector_num * BDRV_SECTOR_SIZE,
-                                      remaining_sectors * BDRV_SECTOR_SIZE,
-                                      &count);
+        ret = bdrv_co_is_allocated_above(top->bs, base->bs, false,
+                                         sector_num * BDRV_SECTOR_SIZE,
+                                         remaining_sectors * BDRV_SECTOR_SIZE,
+                                         &count);
         if (ret < 0) {
             goto out1;
         }
diff --git a/block/stream.c b/block/stream.c
index 133cb72fb4..ddaab7dbbd 100644
--- a/block/stream.c
+++ b/block/stream.c
@@ -172,7 +172,7 @@ static int coroutine_fn stream_run(Job *job, Error **errp)
         copy = false;
 
         WITH_GRAPH_RDLOCK_GUARD() {
-            ret = bdrv_is_allocated(unfiltered_bs, offset, STREAM_CHUNK, &n);
+            ret = bdrv_co_is_allocated(unfiltered_bs, offset, STREAM_CHUNK, &n);
             if (ret == 1) {
                 /* Allocated in the top, no need to copy.  */
             } else if (ret >= 0) {
@@ -180,9 +180,9 @@ static int coroutine_fn stream_run(Job *job, Error **errp)
                  * Copy if allocated in the intermediate images.  Limit to the
                  * known-unallocated area [offset, offset+n*BDRV_SECTOR_SIZE).
                  */
-                ret = bdrv_is_allocated_above(bdrv_cow_bs(unfiltered_bs),
-                                            s->base_overlay, true,
-                                            offset, n, &n);
+                ret = bdrv_co_is_allocated_above(bdrv_cow_bs(unfiltered_bs),
+                                                 s->base_overlay, true,
+                                                 offset, n, &n);
                 /* Finish early if end of backing file has been reached */
                 if (ret == 0 && n == 0) {
                     n = len - offset;
diff --git a/block/vvfat.c b/block/vvfat.c
index 856b479c91..1a3a64c713 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -1480,8 +1480,8 @@ vvfat_read(BlockDriverState *bs, int64_t sector_num, uint8_t *buf, int nb_sector
         if (s->qcow) {
             int64_t n;
             int ret;
-            ret = bdrv_is_allocated(s->qcow->bs, sector_num * BDRV_SECTOR_SIZE,
-                                    (nb_sectors - i) * BDRV_SECTOR_SIZE, &n);
+            ret = bdrv_co_is_allocated(s->qcow->bs, sector_num * BDRV_SECTOR_SIZE,
+                                       (nb_sectors - i) * BDRV_SECTOR_SIZE, &n);
             if (ret < 0) {
                 return ret;
             }
@@ -1806,10 +1806,10 @@ cluster_was_modified(BDRVVVFATState *s, uint32_t cluster_num)
     }
 
     for (i = 0; !was_modified && i < s->sectors_per_cluster; i++) {
-        was_modified = bdrv_is_allocated(s->qcow->bs,
-                                         (cluster2sector(s, cluster_num) +
-                                          i) * BDRV_SECTOR_SIZE,
-                                         BDRV_SECTOR_SIZE, NULL);
+        was_modified = bdrv_co_is_allocated(s->qcow->bs,
+                                            (cluster2sector(s, cluster_num) +
+                                             i) * BDRV_SECTOR_SIZE,
+                                            BDRV_SECTOR_SIZE, NULL);
     }
 
     /*
@@ -1967,9 +1967,9 @@ get_cluster_count_for_direntry(BDRVVVFATState* s, direntry_t* direntry, const ch
                 for (i = 0; i < s->sectors_per_cluster; i++) {
                     int res;
 
-                    res = bdrv_is_allocated(s->qcow->bs,
-                                            (offs + i) * BDRV_SECTOR_SIZE,
-                                            BDRV_SECTOR_SIZE, NULL);
+                    res = bdrv_co_is_allocated(s->qcow->bs,
+                                               (offs + i) * BDRV_SECTOR_SIZE,
+                                               BDRV_SECTOR_SIZE, NULL);
                     if (res < 0) {
                         return -1;
                     }