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ntfs.c revision 1.6 
      1 /*	$NetBSD: ntfs.c,v 1.6 2000/02/04 10:43:34 jdolecek Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jaromir Dolecek.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 __RCSID("$NetBSD: ntfs.c,v 1.6 2000/02/04 10:43:34 jdolecek Exp $");
     41 
     42 #include <sys/param.h>
     43 #include <sys/time.h>
     44 #include <sys/proc.h>
     45 #include <sys/user.h>
     46 #include <sys/stat.h>
     47 #include <sys/vnode.h>
     48 #define _KERNEL
     49 #include <sys/mount.h>
     50 #undef _KERNEL
     51 
     52 #include <ntfs/ntfs.h>
     53 #undef dprintf
     54 #include <ntfs/ntfs_inode.h>
     55 
     56 #include <err.h>
     57 #include <kvm.h>
     58 #include "fstat.h"
     59 
     60 int
     61 ntfs_filestat(vp, fsp)
     62 	struct vnode *vp;
     63 	struct filestat *fsp;
     64 {
     65 	struct ntnode ntnode;
     66 	struct fnode fn;
     67 	struct ntfsmount ntm;
     68 
     69 	/* to get the ntnode, we have to go in two steps - firstly
     70 	 * to read appropriate struct fnode and then getting the address
     71 	 * of ntnode and reading it's contents */
     72 	if (!KVM_READ(VTOF(vp), &fn, sizeof (fn))) {
     73 		dprintf("can't read fnode at %p for pid %d", VTOF(vp), Pid);
     74 		return 0;
     75 	}
     76 	if (!KVM_READ(FTONT(&fn), &ntnode, sizeof (ntnode))) {
     77 		dprintf("can't read ntnode at %p for pid %d", FTONT(&fn), Pid);
     78 		return 0;
     79 	}
     80 	if (!KVM_READ(ntnode.i_mp, &ntm, sizeof (ntm))) {
     81 		dprintf("can't read ntfsmount at %p for pid %d",
     82 			FTONT(&fn), Pid);
     83 		return 0;
     84 	}
     85 
     86 	fsp->fsid = ntnode.i_dev & 0xffff;
     87 	fsp->fileid = (long)ntnode.i_number;
     88 	fsp->mode = (mode_t)ntm.ntm_mode | getftype(vp->v_type);
     89 	fsp->size = fn.f_size;
     90 	fsp->rdev = 0;  /* XXX */
     91 	return 1;
     92 }
     93