block: use bdrv_co_getlength in coroutine context

bdrv_co_getlength was recently introduced, with bdrv_getlength becoming
a wrapper for use in unknown context.  Switch to bdrv_co_getlength when
possible.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230601115145.196465-12-pbonzini@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

block/io.c

@@ -1379,7 +1379,7 @@ bdrv_aligned_preadv(BdrvChild *child, BdrvTrackedRequest *req,
     }
 
     /* Forward the request to the BlockDriver, possibly fragmenting it */
-    total_bytes = bdrv_getlength(bs);
+    total_bytes = bdrv_co_getlength(bs);
     if (total_bytes < 0) {
         ret = total_bytes;
         goto out;
@@ -2388,7 +2388,7 @@ bdrv_co_block_status(BlockDriverState *bs, bool want_zero,
     assert(pnum);
     assert_bdrv_graph_readable();
     *pnum = 0;
-    total_size = bdrv_getlength(bs);
+    total_size = bdrv_co_getlength(bs);
     if (total_size < 0) {
         ret = total_size;
         goto early_out;
@@ -2408,7 +2408,7 @@ bdrv_co_block_status(BlockDriverState *bs, bool want_zero,
         bytes = n;
     }
 
-    /* Must be non-NULL or bdrv_getlength() would have failed */
+    /* Must be non-NULL or bdrv_co_getlength() would have failed */
     assert(bs->drv);
     has_filtered_child = bdrv_filter_child(bs);
     if (!bs->drv->bdrv_co_block_status && !has_filtered_child) {
@@ -2546,7 +2546,7 @@ bdrv_co_block_status(BlockDriverState *bs, bool want_zero,
         if (!cow_bs) {
             ret |= BDRV_BLOCK_ZERO;
         } else if (want_zero) {
-            int64_t size2 = bdrv_getlength(cow_bs);
+            int64_t size2 = bdrv_co_getlength(cow_bs);
 
             if (size2 >= 0 && offset >= size2) {
                 ret |= BDRV_BLOCK_ZERO;
@@ -3592,7 +3592,7 @@ int coroutine_fn bdrv_co_truncate(BdrvChild *child, int64_t offset, bool exact,
         return ret;
     }
 
-    old_size = bdrv_getlength(bs);
+    old_size = bdrv_co_getlength(bs);
     if (old_size < 0) {
         error_setg_errno(errp, -old_size, "Failed to get old image size");
         return old_size;

block/parallels.c

@@ -200,7 +200,7 @@ allocate_clusters(BlockDriverState *bs, int64_t sector_num,
     assert(idx < s->bat_size && idx + to_allocate <= s->bat_size);
 
     space = to_allocate * s->tracks;
-    len = bdrv_getlength(bs->file->bs);
+    len = bdrv_co_getlength(bs->file->bs);
     if (len < 0) {
         return len;
     }
@@ -448,7 +448,7 @@ parallels_check_outside_image(BlockDriverState *bs, BdrvCheckResult *res,
     uint32_t i;
     int64_t off, high_off, size;
 
-    size = bdrv_getlength(bs->file->bs);
+    size = bdrv_co_getlength(bs->file->bs);
     if (size < 0) {
         res->check_errors++;
         return size;

block/qcow.c

@@ -370,7 +370,7 @@ get_cluster_offset(BlockDriverState *bs, uint64_t offset, int allocate,
         if (!allocate)
             return 0;
         /* allocate a new l2 entry */
-        l2_offset = bdrv_getlength(bs->file->bs);
+        l2_offset = bdrv_co_getlength(bs->file->bs);
         if (l2_offset < 0) {
             return l2_offset;
         }
@@ -445,7 +445,7 @@ get_cluster_offset(BlockDriverState *bs, uint64_t offset, int allocate,
             if (decompress_cluster(bs, cluster_offset) < 0) {
                 return -EIO;
             }
-            cluster_offset = bdrv_getlength(bs->file->bs);
+            cluster_offset = bdrv_co_getlength(bs->file->bs);
             if ((int64_t) cluster_offset < 0) {
                 return cluster_offset;
             }
@@ -458,7 +458,7 @@ get_cluster_offset(BlockDriverState *bs, uint64_t offset, int allocate,
                 return ret;
             }
         } else {
-            cluster_offset = bdrv_getlength(bs->file->bs);
+            cluster_offset = bdrv_co_getlength(bs->file->bs);
             if ((int64_t) cluster_offset < 0) {
                 return cluster_offset;
             }

block/vmdk.c

@@ -2132,7 +2132,7 @@ vmdk_co_pwritev_compressed(BlockDriverState *bs, int64_t offset, int64_t bytes,
         int64_t length;
 
         for (i = 0; i < s->num_extents; i++) {
-            length = bdrv_getlength(s->extents[i].file->bs);
+            length = bdrv_co_getlength(s->extents[i].file->bs);
             if (length < 0) {
                 return length;
             }
@@ -2939,7 +2939,7 @@ vmdk_co_check(BlockDriverState *bs, BdrvCheckResult *result, BdrvCheckMode fix)
             break;
         }
         if (ret == VMDK_OK) {
-            int64_t extent_len = bdrv_getlength(extent->file->bs);
+            int64_t extent_len = bdrv_co_getlength(extent->file->bs);
             if (extent_len < 0) {
                 fprintf(stderr,
                         "ERROR: could not get extent file length for sector %"