[src/trunk]: src/sys/rump/librump/rumpvfs Add public namespace helper routine...

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

details:   https://anonhg.NetBSD.org/src/rev/2b2302f002c3
branches:  trunk
changeset: 755187:2b2302f002c3
user:      pooka <pooka%NetBSD.org@localhost>
date:      Wed May 26 21:50:56 2010 +0000

description:
Add public namespace helper routine for dumping info on mountpoints.

diffstat:

 sys/rump/librump/rumpvfs/rump_vfs.c     |  34 +++++++++++++++++++++++++++++++-
 sys/rump/librump/rumpvfs/rumpvfs.ifspec |   4 ++-
 2 files changed, 35 insertions(+), 3 deletions(-)

diffs (73 lines):

diff -r 1e89922c9bda -r 2b2302f002c3 sys/rump/librump/rumpvfs/rump_vfs.c
--- a/sys/rump/librump/rumpvfs/rump_vfs.c       Wed May 26 21:48:20 2010 +0000
+++ b/sys/rump/librump/rumpvfs/rump_vfs.c       Wed May 26 21:50:56 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rump_vfs.c,v 1.51 2010/05/20 15:46:47 pooka Exp $      */
+/*     $NetBSD: rump_vfs.c,v 1.52 2010/05/26 21:50:56 pooka Exp $      */
 
 /*
  * Copyright (c) 2008 Antti Kantee.  All Rights Reserved.
@@ -29,7 +29,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rump_vfs.c,v 1.51 2010/05/20 15:46:47 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rump_vfs.c,v 1.52 2010/05/26 21:50:56 pooka Exp $");
 
 #include <sys/param.h>
 #include <sys/buf.h>
@@ -430,6 +430,36 @@
                printf("syncwait: unsynced buffers: %d\n", n);
 }
 
+/*
+ * Dump info about mount point.  No locking.
+ */
+void
+rump_vfs_mount_print(const char *path, int full)
+{
+#ifdef DEBUGPRINT
+       struct vnode *mvp;
+       struct vnode *vp;
+       int error;
+
+       rumpuser_dprintf("\n==== dumping mountpoint at ``%s'' ====\n\n", path);
+       if ((error = namei_simple_user(path, NSM_FOLLOW_NOEMULROOT, &mvp))!=0) {
+               rumpuser_dprintf("==== lookup error %d ====\n\n", error);
+               return;
+       }
+       vfs_mount_print(mvp->v_mount, full, (void *)rumpuser_dprintf);
+       if (full) {
+               rumpuser_dprintf("\n== dumping vnodes ==\n\n");
+               TAILQ_FOREACH(vp, &mvp->v_mount->mnt_vnodelist, v_mntvnodes) {
+                       vfs_vnode_print(vp, full, (void *)rumpuser_dprintf);
+               }
+       }
+       vrele(mvp);
+       rumpuser_dprintf("\n==== done ====\n\n");
+#else
+       rumpuser_dprintf("mount dump not supported without DEBUGPRINT\n");
+#endif
+}
+
 void
 rump_biodone(void *arg, size_t count, int error)
 {
diff -r 1e89922c9bda -r 2b2302f002c3 sys/rump/librump/rumpvfs/rumpvfs.ifspec
--- a/sys/rump/librump/rumpvfs/rumpvfs.ifspec   Wed May 26 21:48:20 2010 +0000
+++ b/sys/rump/librump/rumpvfs/rumpvfs.ifspec   Wed May 26 21:50:56 2010 +0000
@@ -1,4 +1,4 @@
-;       $NetBSD: rumpvfs.ifspec,v 1.3 2010/05/20 15:46:47 pooka Exp $
+;       $NetBSD: rumpvfs.ifspec,v 1.4 2010/05/26 21:50:56 pooka Exp $
 
 NAME|vfs
 PUBHDR|include/rump/rumpvfs_if_pub.h
@@ -51,6 +51,8 @@
 void           |vfs_syncwait   |struct mount *
 int            |vfs_getmp      |const char *, struct mount **
 
+void           |vfs_mount_print|const char *, int
+
 void           |rcvp_set       |struct vnode *, struct vnode *
 struct vnode * |cdir_get       |void