diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index a8a750f..20ee0e4 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2450,7 +2450,8 @@
 		ext4_group_t i, struct ext4_group_desc *desc);
 extern int ext4_group_add_blocks(handle_t *handle, struct super_block *sb,
 				ext4_fsblk_t block, unsigned long count);
-extern int ext4_trim_fs(struct super_block *, struct fstrim_range *);
+extern int ext4_trim_fs(struct super_block *, struct fstrim_range *,
+				unsigned long blkdev_flags);
 
 /* inode.c */
 int ext4_inode_is_fast_symlink(struct inode *inode);