xref: /dflybsd-src/usr.bin/fstat/hammer2.c (revision 4d2f9b0748835cdf8662b83db827f4b6879faba3)
1*4d2f9b07SSascha Wildner /*
2*4d2f9b07SSascha Wildner  * Copyright (c) 2018 The DragonFly Project.  All rights reserved.
3*4d2f9b07SSascha Wildner  *
4*4d2f9b07SSascha Wildner  * Redistribution and use in source and binary forms, with or without
5*4d2f9b07SSascha Wildner  * modification, are permitted provided that the following conditions
6*4d2f9b07SSascha Wildner  * are met:
7*4d2f9b07SSascha Wildner  *
8*4d2f9b07SSascha Wildner  * 1. Redistributions of source code must retain the above copyright
9*4d2f9b07SSascha Wildner  *    notice, this list of conditions and the following disclaimer.
10*4d2f9b07SSascha Wildner  * 2. Redistributions in binary form must reproduce the above copyright
11*4d2f9b07SSascha Wildner  *    notice, this list of conditions and the following disclaimer in
12*4d2f9b07SSascha Wildner  *    the documentation and/or other materials provided with the
13*4d2f9b07SSascha Wildner  *    distribution.
14*4d2f9b07SSascha Wildner  * 3. Neither the name of The DragonFly Project nor the names of its
15*4d2f9b07SSascha Wildner  *    contributors may be used to endorse or promote products derived
16*4d2f9b07SSascha Wildner  *    from this software without specific, prior written permission.
17*4d2f9b07SSascha Wildner  *
18*4d2f9b07SSascha Wildner  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19*4d2f9b07SSascha Wildner  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20*4d2f9b07SSascha Wildner  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21*4d2f9b07SSascha Wildner  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
22*4d2f9b07SSascha Wildner  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23*4d2f9b07SSascha Wildner  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
24*4d2f9b07SSascha Wildner  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25*4d2f9b07SSascha Wildner  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26*4d2f9b07SSascha Wildner  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27*4d2f9b07SSascha Wildner  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
28*4d2f9b07SSascha Wildner  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29*4d2f9b07SSascha Wildner  * SUCH DAMAGE.
30*4d2f9b07SSascha Wildner  */
31*4d2f9b07SSascha Wildner 
32*4d2f9b07SSascha Wildner #include <sys/param.h>
33*4d2f9b07SSascha Wildner #include <sys/stat.h>
34*4d2f9b07SSascha Wildner #include <sys/time.h>
35*4d2f9b07SSascha Wildner 
36*4d2f9b07SSascha Wildner #include <kvm.h>
37*4d2f9b07SSascha Wildner #include <stdio.h>
38*4d2f9b07SSascha Wildner 
39*4d2f9b07SSascha Wildner #define _KERNEL_STRUCTURES
40*4d2f9b07SSascha Wildner #include <sys/vnode.h>
41*4d2f9b07SSascha Wildner #include <sys/mount.h>
42*4d2f9b07SSascha Wildner #include <stddef.h>
43*4d2f9b07SSascha Wildner #include <vfs/hammer2/hammer2.h>
44*4d2f9b07SSascha Wildner #include <vfs/hammer2/hammer2_disk.h>
45*4d2f9b07SSascha Wildner #undef _KERNEL_STRUCTURES
46*4d2f9b07SSascha Wildner 
47*4d2f9b07SSascha Wildner #include "fstat.h"
48*4d2f9b07SSascha Wildner 
49*4d2f9b07SSascha Wildner int
50*4d2f9b07SSascha Wildner hammer2_filestat(struct vnode *vp, struct filestat *fsp)
51*4d2f9b07SSascha Wildner {
52*4d2f9b07SSascha Wildner 	struct hammer2_inode ino;
53*4d2f9b07SSascha Wildner 
54*4d2f9b07SSascha Wildner 	if (!kread(VTOI(vp), &ino, sizeof(ino))) {
55*4d2f9b07SSascha Wildner 		dprintf(stderr, "can't read hammer2_inode at %p for pid %d\n",
56*4d2f9b07SSascha Wildner 		    (void *)VTOI(vp), Pid);
57*4d2f9b07SSascha Wildner 		return 0;
58*4d2f9b07SSascha Wildner 	}
59*4d2f9b07SSascha Wildner 
60*4d2f9b07SSascha Wildner 	fsp->fsid = fsp->rdev = dev2udev(vp->v_rdev);
61*4d2f9b07SSascha Wildner 	fsp->mode = ino.meta.mode | mtrans(vp->v_type);
62*4d2f9b07SSascha Wildner 	fsp->fileid = ino.meta.inum;
63*4d2f9b07SSascha Wildner 	fsp->size = ino.meta.size;
64*4d2f9b07SSascha Wildner 	return 1;
65*4d2f9b07SSascha Wildner }
66