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VFS_MOUNT(9)		 BSD Kernel Developer's	Manual		  VFS_MOUNT(9)

NAME
     VFS_MOUNT -- mount	a file system

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

     int
     VFS_MOUNT(struct mount *mp, char *path, caddr_t data,
	 struct	nameidata *ndp,	struct thread *td);

DESCRIPTION
     Mount a file system into the system's namespace.

     Its arguments are:

     mp	   Structure representing the file system.

     path  Pathname where the file system is being mounted.

     data  File	system specific	data.  This should be read into	the kernel us-
	   ing copyin(9).

     ndp   Contains the	result of a namei(9) call on the pathname of the
	   mountpoint.

     td	   Thread which	is mounting the	file system.

     This is called both to mount new file systems and to change the at-
     tributes of an existing file system.  If the MNT_UPDATE flag is set in
     mp-_mnt_flag then the file	system should update its internal state	from
     the value of mp-_mnt_flag.	 This can be used, for instance, to convert a
     read-only file system to read-write.  It is also used by mountd(8)	to up-
     date the NFS export information for the file system.

     If	the MNT_UPDATE flag is not specified, then this	is a newly mounted
     file system.  The file system code	should allocate	and initialize any
     private data needed to represent the file system (it can use the
     mp-_mnt_data field	to store this information).

SEE ALSO
     VFS(9), vnode(9)

AUTHORS
     This manual page was written by Doug Rabson.

BSD				 July 24, 1996				   BSD

NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | AUTHORS

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