[src/trunk]: src/sys/sys Apply manu's change to namei.h correctly.

[dholland <dholland%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/496f5993a402
branches:  trunk
changeset: 782742:496f5993a402
user:      dholland <dholland%NetBSD.org@localhost>
date:      Sun Nov 18 18:25:08 2012 +0000

description:
Apply manu's change to namei.h correctly.

diffstat:

 sys/sys/namei.src |  14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)

diffs (45 lines):

diff -r d7c62293fa12 -r 496f5993a402 sys/sys/namei.src
--- a/sys/sys/namei.src Sun Nov 18 18:20:56 2012 +0000
+++ b/sys/sys/namei.src Sun Nov 18 18:25:08 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: namei.src,v 1.30 2012/11/05 19:06:26 dholland Exp $    */
+/*     $NetBSD: namei.src,v 1.31 2012/11/18 18:25:08 dholland Exp $    */
 
 /*
  * Copyright (c) 1985, 1989, 1991, 1993
@@ -225,7 +225,7 @@
 #define        PNBUF_PUT(pnb)  pool_cache_put(pnbuf_cache, (pnb))
 
 /*
- * Typesafe flags for namei_simple.
+ * Typesafe flags for namei_simple/nameiat_simple.
  *
  * This encoding is not optimal but serves the important purpose of
  * not being type-compatible with the regular namei flags.
@@ -239,11 +239,13 @@
        NSM_FOLLOW_TRYEMULROOT;
 
 /*
- * namei_simple_* - the simple cases of namei, with no struct
- *                  nameidata involved.
+ * namei(at)?_simple_* - the simple cases of namei, with no struct
+ *                       nameidata involved.
  *
  * namei_simple_kernel takes a kernel-space path as the first argument.
  * namei_simple_user takes a user-space path as the first argument.
+ * The nameiat_simple_* variants handle relative path using the given 
+ * directory vnode instead of current directory.
  *
  * A namei call can be converted to namei_simple_* if:
  *    - the second arg to NDINIT is LOOKUP;
@@ -253,6 +255,10 @@
  */
 int namei_simple_kernel(const char *, namei_simple_flags_t, struct vnode **);
 int namei_simple_user(const char *, namei_simple_flags_t, struct vnode **);
+int nameiat_simple_kernel(struct vnode *, const char *, namei_simple_flags_t,
+    struct vnode **);
+int nameiat_simple_user(struct vnode *, const char *, namei_simple_flags_t, 
+    struct vnode **);
 
 int    namei(struct nameidata *);
 uint32_t namei_hash(const char *, const char **);