1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 8aba35f46f87..45cf6e537c83 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1607,6 +1607,9 @@ struct block_device_operations {
 extern int __blkdev_driver_ioctl(struct block_device *, fmode_t, unsigned int,
                                  unsigned long);
 #else /* CONFIG_BLOCK */
+
+struct block_device;
+
 /*
  * stubs for when the block layer is configured out
  */
@@ -1642,6 +1645,12 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk)
         return false;
 }
 
+static inline int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask,
+                                     sector_t *error_sector)
+{
+        return 0;
+}
+
 #endif /* CONFIG_BLOCK */
 
 #endif