1 /*- 2 * Copyright (c) 2005-2009 Stanislav Sedov <stas@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 #include <sys/cdefs.h> 27 __FBSDID("$FreeBSD$"); 28 29 #include <sys/param.h> 30 #include <sys/stat.h> 31 #include <sys/time.h> 32 #include <sys/vnode.h> 33 #define _KERNEL 34 #include <sys/mount.h> 35 #undef _KERNEL 36 37 #include <netinet/in.h> 38 39 #include <assert.h> 40 #include <err.h> 41 #include <kvm.h> 42 #include <stdlib.h> 43 44 #include <fs/smbfs/smbfs.h> 45 #include <fs/smbfs/smbfs_node.h> 46 47 #include "libprocstat.h" 48 #include "common_kvm.h" 49 50 int 51 smbfs_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn) 52 { 53 struct smbnode node; 54 struct mount mnt; 55 int error; 56 57 assert(kd); 58 assert(vn); 59 error = kvm_read_all(kd, (unsigned long)VTOSMB(vp), &node, 60 sizeof(node)); 61 if (error != 0) { 62 warnx("can't read smbfs fnode at %p", (void *)VTOSMB(vp)); 63 return (1); 64 } 65 error = kvm_read_all(kd, (unsigned long)getvnodemount(vp), &mnt, 66 sizeof(mnt)); 67 if (error != 0) { 68 warnx("can't read mount at %p for vnode %p", 69 (void *)getvnodemount(vp), vp); 70 return (1); 71 } 72 vn->vn_fileid = node.n_ino; 73 if (vn->vn_fileid == 0) 74 vn->vn_fileid = 2; 75 vn->vn_fsid = mnt.mnt_stat.f_fsid.val[0]; 76 return (0); 77 } 78