PERFORCE change 119338 for review

[Roman Divacky]

http://perforce.freebsd.org/chv.cgi?CH=119338

Change 119338 by rdivacky at rdivacky_witten on 2007/05/06 15:08:39

	Use ni_startdir for *at semantic instead of using newly introduced ni_dvp.
	
	Suggested by: pjd

Affected files ...

.. //depot/projects/soc2007/rdivacky/linux_at/sys/kern/vfs_lookup.c#3 edit
.. //depot/projects/soc2007/rdivacky/linux_at/sys/sys/namei.h#3 edit

Differences ...

==== //depot/projects/soc2007/rdivacky/linux_at/sys/kern/vfs_lookup.c#3 (text+ko) ====

@@ -192,8 +192,8 @@
 	ndp->ni_rootdir = fdp->fd_rdir;
 	ndp->ni_topdir = fdp->fd_jdir;
 
-	if (ndp->ni_vdir)
-		dp = ndp->ni_vdir;
+	if (ndp->ni_startdir)
+		dp = ndp->ni_startdir;
 	else
 		dp = fdp->fd_cdir;
 	vfslocked = VFS_LOCK_GIANT(dp->v_mount);

==== //depot/projects/soc2007/rdivacky/linux_at/sys/sys/namei.h#3 (text+ko) ====

@@ -63,11 +63,10 @@
 	 */
 	const	char *ni_dirp;		/* pathname pointer */
 	enum	uio_seg ni_segflg;	/* location of pathname */
-	struct	vnode *ni_vdir;		/* relative directory */
 	/*
 	 * Arguments to lookup.
 	 */
-	struct	vnode *ni_startdir;	/* starting directory */
+	struct	vnode *ni_startdir;	/* starting directory, used for *at stuff */
 	struct	vnode *ni_rootdir;	/* logical root directory */
 	struct	vnode *ni_topdir;	/* logical top directory */
 	/*
@@ -161,7 +160,7 @@
 	ndp->ni_segflg = segflg;
 	ndp->ni_dirp = namep;
 	ndp->ni_cnd.cn_thread = td;
-	ndp->ni_vdir = NULL;
+	ndp->ni_startdir = NULL;
 }
 
 static __inline void
@@ -177,7 +176,7 @@
 	ndp->ni_segflg = segflg;
 	ndp->ni_dirp = namep;
 	ndp->ni_cnd.cn_thread = td;
-	ndp->ni_vdir = dvp;
+	ndp->ni_startdir = dvp;
 }
 
 #define NDF_NO_DVP_RELE		0x00000001