1 /* $NetBSD: lfs_itimes.c,v 1.12 2008/04/28 20:24:11 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Konrad E. Schroder <perseant@hhhh.org>. 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: lfs_itimes.c,v 1.12 2008/04/28 20:24:11 martin Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/time.h> 36 #include <sys/mount.h> 37 #include <sys/buf.h> 38 39 #include <ufs/ufs/inode.h> 40 41 #ifndef _KERNEL 42 #include "bufcache.h" 43 #include "vnode.h" 44 #include "lfs_user.h" 45 #define vnode uvnode 46 #define buf ubuf 47 #define panic call_panic 48 #else 49 #include <ufs/lfs/lfs_extern.h> 50 #include <sys/kauth.h> 51 #endif 52 53 #include <ufs/lfs/lfs.h> 54 55 void 56 lfs_itimes(struct inode *ip, const struct timespec *acc, 57 const struct timespec *mod, const struct timespec *cre) 58 { 59 #ifdef _KERNEL 60 struct timespec now; 61 62 KASSERT(ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY)); 63 64 vfs_timestamp(&now); 65 #endif 66 67 if (ip->i_flag & IN_ACCESS) { 68 #ifdef _KERNEL 69 if (acc == NULL) 70 acc = &now; 71 #endif 72 ip->i_ffs1_atime = acc->tv_sec; 73 ip->i_ffs1_atimensec = acc->tv_nsec; 74 if (ip->i_lfs->lfs_version > 1) { 75 struct lfs *fs = ip->i_lfs; 76 struct buf *ibp; 77 IFILE *ifp; 78 79 LFS_IENTRY(ifp, ip->i_lfs, ip->i_number, ibp); 80 ifp->if_atime_sec = acc->tv_sec; 81 ifp->if_atime_nsec = acc->tv_nsec; 82 LFS_BWRITE_LOG(ibp); 83 mutex_enter(&lfs_lock); 84 fs->lfs_flags |= LFS_IFDIRTY; 85 mutex_exit(&lfs_lock); 86 } else { 87 mutex_enter(&lfs_lock); 88 LFS_SET_UINO(ip, IN_ACCESSED); 89 mutex_exit(&lfs_lock); 90 } 91 } 92 if (ip->i_flag & (IN_CHANGE | IN_UPDATE | IN_MODIFY)) { 93 if (ip->i_flag & (IN_UPDATE | IN_MODIFY)) { 94 #ifdef _KERNEL 95 if (mod == NULL) 96 mod = &now; 97 #endif 98 ip->i_ffs1_mtime = mod->tv_sec; 99 ip->i_ffs1_mtimensec = mod->tv_nsec; 100 ip->i_modrev++; 101 } 102 if (ip->i_flag & (IN_CHANGE | IN_MODIFY)) { 103 #ifdef _KERNEL 104 if (cre == NULL) 105 cre = &now; 106 #endif 107 ip->i_ffs1_ctime = cre->tv_sec; 108 ip->i_ffs1_ctimensec = cre->tv_nsec; 109 } 110 mutex_enter(&lfs_lock); 111 if (ip->i_flag & (IN_CHANGE | IN_UPDATE)) 112 LFS_SET_UINO(ip, IN_MODIFIED); 113 if (ip->i_flag & IN_MODIFY) 114 LFS_SET_UINO(ip, IN_ACCESSED); 115 mutex_exit(&lfs_lock); 116 } 117 ip->i_flag &= ~(IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY); 118 } 119