[PATCH] switch a bunch of LSM hooks from nameidata to path

Namely, ones from namespace.c

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/security/security.c b/security/security.c
index 2e250c70..8a285c7 100644
--- a/security/security.c
+++ b/security/security.c
@@ -296,15 +296,15 @@
 	return security_ops->sb_statfs(dentry);
 }
 
-int security_sb_mount(char *dev_name, struct nameidata *nd,
+int security_sb_mount(char *dev_name, struct path *path,
                        char *type, unsigned long flags, void *data)
 {
-	return security_ops->sb_mount(dev_name, nd, type, flags, data);
+	return security_ops->sb_mount(dev_name, path, type, flags, data);
 }
 
-int security_sb_check_sb(struct vfsmount *mnt, struct nameidata *nd)
+int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
 {
-	return security_ops->sb_check_sb(mnt, nd);
+	return security_ops->sb_check_sb(mnt, path);
 }
 
 int security_sb_umount(struct vfsmount *mnt, int flags)
@@ -327,19 +327,19 @@
 	security_ops->sb_post_remount(mnt, flags, data);
 }
 
-void security_sb_post_addmount(struct vfsmount *mnt, struct nameidata *mountpoint_nd)
+void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
 {
-	security_ops->sb_post_addmount(mnt, mountpoint_nd);
+	security_ops->sb_post_addmount(mnt, mountpoint);
 }
 
-int security_sb_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd)
+int security_sb_pivotroot(struct path *old_path, struct path *new_path)
 {
-	return security_ops->sb_pivotroot(old_nd, new_nd);
+	return security_ops->sb_pivotroot(old_path, new_path);
 }
 
-void security_sb_post_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd)
+void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
 {
-	security_ops->sb_post_pivotroot(old_nd, new_nd);
+	security_ops->sb_post_pivotroot(old_path, new_path);
 }
 
 int security_sb_get_mnt_opts(const struct super_block *sb,