1 /* $NetBSD: lfs_itimes.c,v 1.20 2017/06/10 05:29:36 maya 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 1.20 2017/06/10 05:29:36 maya Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/time.h> 36 #include <sys/mount.h> 37 #include <sys/buf.h> 38 39 #ifndef _KERNEL 40 #include "bufcache.h" 41 #include "vnode.h" 42 #include "lfs_user.h" 43 #define vnode uvnode 44 #define buf ubuf 45 #define panic call_panic 46 #else 47 #include <ufs/lfs/ulfs_inode.h> 48 #include <ufs/lfs/lfs_extern.h> 49 #include <sys/kauth.h> 50 #endif 51 52 #include <ufs/lfs/lfs.h> 53 #include <ufs/lfs/lfs_accessors.h> 54 #include <ufs/lfs/lfs_inode.h> 55 56 void 57 lfs_itimes(struct inode *ip, const struct timespec *acc, 58 const struct timespec *mod, const struct timespec *cre) 59 { 60 struct lfs *fs = ip->i_lfs; 61 #ifdef _KERNEL 62 struct timespec now; 63 64 KASSERT(ip->i_state & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY)); 65 66 vfs_timestamp(&now); 67 #endif 68 69 if (ip->i_state & IN_ACCESS) { 70 #ifdef _KERNEL 71 if (acc == NULL) 72 acc = &now; 73 #endif 74 lfs_dino_setatime(fs, ip->i_din, acc->tv_sec); 75 lfs_dino_setatimensec(fs, ip->i_din, acc->tv_nsec); 76 if (fs->lfs_is64 || lfs_sb_getversion(fs) > 1) { 77 struct buf *ibp; 78 IFILE *ifp; 79 80 LFS_IENTRY(ifp, fs, ip->i_number, ibp); 81 lfs_if_setatime_sec(fs, ifp, acc->tv_sec); 82 lfs_if_setatime_nsec(fs, ifp, acc->tv_nsec); 83 LFS_BWRITE_LOG(ibp); 84 mutex_enter(&lfs_lock); 85 fs->lfs_flags |= LFS_IFDIRTY; 86 mutex_exit(&lfs_lock); 87 } else { 88 mutex_enter(&lfs_lock); 89 LFS_SET_UINO(ip, IN_ACCESSED); 90 mutex_exit(&lfs_lock); 91 } 92 } 93 if (ip->i_state & (IN_CHANGE | IN_UPDATE | IN_MODIFY)) { 94 if (ip->i_state & (IN_UPDATE | IN_MODIFY)) { 95 #ifdef _KERNEL 96 if (mod == NULL) 97 mod = &now; 98 #endif 99 lfs_dino_setmtime(fs, ip->i_din, mod->tv_sec); 100 lfs_dino_setmtimensec(fs, ip->i_din, mod->tv_nsec); 101 ip->i_modrev++; 102 } 103 if (ip->i_state & (IN_CHANGE | IN_MODIFY)) { 104 #ifdef _KERNEL 105 if (cre == NULL) 106 cre = &now; 107 #endif 108 lfs_dino_setctime(fs, ip->i_din, cre->tv_sec); 109 lfs_dino_setctimensec(fs, ip->i_din, cre->tv_nsec); 110 } 111 mutex_enter(&lfs_lock); 112 if (ip->i_state & (IN_CHANGE | IN_UPDATE)) 113 LFS_SET_UINO(ip, IN_MODIFIED); 114 if (ip->i_state & IN_MODIFY) 115 LFS_SET_UINO(ip, IN_ACCESSED); 116 mutex_exit(&lfs_lock); 117 } 118 ip->i_state &= ~(IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY); 119 } 120