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Add public namespace helper routine for dumping info on mountpoints.

This commit is contained in:
pooka 2010-05-26 21:50:56 +00:00
parent c468a8e0bf
commit 7e5ec0880b
2 changed files with 35 additions and 3 deletions
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34
sys/rump/librump/rumpvfs/rump_vfs.c
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@ -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 @@ rump_vfs_syncwait(struct mount *mp)
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)
{

4
sys/rump/librump/rumpvfs/rumpvfs.ifspec
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@ -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 @@ int |vfs_extattrctl |struct mount *, int, struct vnode *, \
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