diff --git a/fs/namespace.c b/fs/namespace.c
index 3ee3ee5819bc..9dc146e7b5e0 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -446,10 +446,10 @@ int mnt_want_write_file_path(struct file *file)
 {
 	int ret;
 
-	sb_start_write(file_inode(file)->i_sb);
+	sb_start_write(file->f_path.mnt->mnt_sb);
 	ret = __mnt_want_write_file(file);
 	if (ret)
-		sb_end_write(file_inode(file)->i_sb);
+		sb_end_write(file->f_path.mnt->mnt_sb);
 	return ret;
 }
 
@@ -540,8 +540,7 @@ void __mnt_drop_write_file(struct file *file)
 
 void mnt_drop_write_file_path(struct file *file)
 {
-	__mnt_drop_write_file(file);
-	sb_end_write(file_inode(file)->i_sb);
+	mnt_drop_write(file->f_path.mnt);
 }
 
 void mnt_drop_write_file(struct file *file)