VFS_ROOT man page on FreeBSD

VFS_ROOT man page on FreeBSD

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VFS_ROOT(9)		 BSD 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);

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 exclu‐
	    sive lock.

     vpp    Return parameter for the root vnode.

SEE ALSO
     VFS(9), vnode(9)

AUTHORS
     This manual page was written by Doug Rabson.

BSD				 May 23, 2009				   BSD

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