[patch 3/5] vfs: change remove_suid() to file_remove_suid()

All calls to remove_suid() are made with a file pointer, because
(similarly to file_update_time) it is called when the file is written.

Clean up callers by passing in a file instead of a dentry.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c
index 3e744ab..98a3f31 100644
--- a/mm/filemap_xip.c
+++ b/mm/filemap_xip.c
@@ -380,7 +380,7 @@
 	if (count == 0)
 		goto out_backing;
 
-	ret = remove_suid(filp->f_path.dentry);
+	ret = file_remove_suid(filp);
 	if (ret)
 		goto out_backing;