diff --git a/fs/partition/fs_partition.c b/fs/partition/fs_partition.c
index d40e9680434..110bacd4810 100644
--- a/fs/partition/fs_partition.c
+++ b/fs/partition/fs_partition.c
@@ -108,6 +108,21 @@ static int parse_partition(FAR struct partition_state_s *state,
  * Public Functions
  ****************************************************************************/
 
+int read_partition_block(FAR struct partition_state_s *state,
+                         FAR void *buffer, size_t startblock,
+                         size_t nblocks)
+{
+  if (state->blk)
+    {
+      return state->blk->u.i_bops->read(state->blk,
+                                        buffer, startblock, nblocks);
+    }
+  else
+    {
+      return state->mtd->bread(state->mtd, startblock, nblocks, buffer);
+    }
+}
+
 /****************************************************************************
  * Name: parse_block_partition
  *
diff --git a/fs/partition/fs_ptable.c b/fs/partition/fs_ptable.c
index b83b1235a2b..541776877bd 100644
--- a/fs/partition/fs_ptable.c
+++ b/fs/partition/fs_ptable.c
@@ -59,25 +59,6 @@ struct ptable_s
   struct ptable_entry_s entries[];
 };
 
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-static int read_partition_block(FAR struct partition_state_s *state,
-                                FAR void *buffer, size_t startblock,
-                                size_t nblocks)
-{
-  if (state->blk)
-    {
-      return state->blk->u.i_bops->read(state->blk,
-                                        buffer, startblock, nblocks);
-    }
-  else
-    {
-      return state->mtd->bread(state->mtd, startblock, nblocks, buffer);
-    }
-}
-
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
diff --git a/fs/partition/partition.h b/fs/partition/partition.h
index df5d9174a37..2c8348ff7b9 100644
--- a/fs/partition/partition.h
+++ b/fs/partition/partition.h
@@ -44,6 +44,14 @@ struct partition_state_s
   size_t erasesize;
 };
 
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+int read_partition_block(FAR struct partition_state_s *state,
+                         FAR void *buffer, size_t startblock,
+                         size_t nblocks);
+
 #endif /* CONFIG_DISABLE_MOUNTPOINT */
 
 #endif /* __FS_PARTITION_PARTITION_H */