VFS_ROOT(9) MidnightBSD Kernel Developer’s Manual VFS_ROOT(9)

NAME

VFS_ROOT — return the root vnode of a file system

SYNOPSIS

#include <sys/param.h>
#include <sys/mount.h>
#include <sys/vnode.h>

int

VFS_ROOT(struct mount *mp, int flags, struct vnode **vpp, struct thread *td);

DESCRIPTION

Return a locked vnode for the root directory of the file system.

Its arguments are:

mp

The file system.

flags

The lock type. Could be LK_EXCLUSIVE or LK_SHARED. File system is free to ignore the flags argument and instead acquire an exclusive lock.

vpp

Return parameter for the root vnode.

td

The calling thread.

SEE ALSO

VFS(9), vnode(9)

AUTHORS

This manual page was written by Doug Rabson.

MidnightBSD 0.3 August 26, 2006 MidnightBSD 0.3