diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 7d618a969524..ced6beb5debc 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -967,8 +967,8 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 	return ret;
 }
 
-struct bio *f2fs_grab_bio(struct inode *inode, block_t blkaddr,
-							unsigned nr_pages)
+static struct bio *f2fs_grab_bio(struct inode *inode, block_t blkaddr,
+				 unsigned nr_pages)
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	struct fscrypt_ctx *ctx = NULL;