diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index e416096fc081..d630ec7a9c8e 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3424,6 +3424,7 @@ static int ext4_iomap_begin(struct inode *inode, 
  	int ret;
  	struct ext4_map_blocks map;
  	u8 blkbits = inode->i_blkbits;
+	loff_t len;