1 /* $NetBSD: lfs_itimes.c,v 1.22 2026/01/05 05:02:47 perseant 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 (at) 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 1.22 2026/01/05 05:02:47 perseant 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 <ufs/lfs/lfs_kernel.h> 50 #include <sys/kauth.h> 51 #endif 52 53 #include <ufs/lfs/lfs.h> 54 #include <ufs/lfs/lfs_accessors.h> 55 #include <ufs/lfs/lfs_inode.h> 56 57 void 58 lfs_itimes(struct inode *ip, const struct timespec *acc, 59 const struct timespec *mod, const struct timespec *cre) 60 { 61 struct lfs *fs = ip->i_lfs; 62 #ifdef _KERNEL 63 struct timespec now; 64 65 KASSERT(ip->i_state & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY)); 66 67 vfs_timestamp(&now); 68 #endif 69 70 if (ip->i_state & IN_ACCESS) { 71 #ifdef _KERNEL 72 if (acc == NULL) 73 acc = &now; 74 #endif 75 lfs_dino_setatime(fs, ip->i_din, acc->tv_sec); 76 lfs_dino_setatimensec(fs, ip->i_din, acc->tv_nsec); 77 if (fs->lfs_is64 || lfs_sb_getversion(fs) > 1) { 78 struct buf *ibp; 79 IFILE *ifp; 80 81 #ifdef _KERNEL 82 if (!LFS_SEGLOCK_HELD(fs)) 83 lfs_fraglock_enter(fs, RW_READER); 84 #endif /* _KERNEL */ 85 LFS_IENTRY(ifp, fs, ip->i_number, ibp); 86 lfs_if_setatime_sec(fs, ifp, acc->tv_sec); 87 lfs_if_setatime_nsec(fs, ifp, acc->tv_nsec); 88 #ifdef _KERNEL 89 LFS_WRITEIENTRY(ifp, fs, ip->i_number, ibp); 90 if (!LFS_SEGLOCK_HELD(fs)) 91 lfs_fraglock_exit(fs); 92 #else /* ! _KERNEL */ 93 LFS_BWRITE_LOG(ibp); 94 #endif /* ! _KERNEL */ 95 mutex_enter(&lfs_lock); 96 fs->lfs_flags |= LFS_IFDIRTY; 97 mutex_exit(&lfs_lock); 98 } else { 99 mutex_enter(&lfs_lock); 100 LFS_SET_UINO(ip, IN_ACCESSED); 101 mutex_exit(&lfs_lock); 102 } 103 } 104 if (ip->i_state & (IN_CHANGE | IN_UPDATE | IN_MODIFY)) { 105 if (ip->i_state & (IN_UPDATE | IN_MODIFY)) { 106 #ifdef _KERNEL 107 if (mod == NULL) 108 mod = &now; 109 #endif 110 lfs_dino_setmtime(fs, ip->i_din, mod->tv_sec); 111 lfs_dino_setmtimensec(fs, ip->i_din, mod->tv_nsec); 112 ip->i_modrev++; 113 } 114 if (ip->i_state & (IN_CHANGE | IN_MODIFY)) { 115 #ifdef _KERNEL 116 if (cre == NULL) 117 cre = &now; 118 #endif 119 lfs_dino_setctime(fs, ip->i_din, cre->tv_sec); 120 lfs_dino_setctimensec(fs, ip->i_din, cre->tv_nsec); 121 } 122 mutex_enter(&lfs_lock); 123 if (ip->i_state & (IN_CHANGE | IN_UPDATE)) 124 LFS_SET_UINO(ip, IN_MODIFIED); 125 if (ip->i_state & IN_MODIFY) 126 LFS_SET_UINO(ip, IN_ACCESSED); 127 mutex_exit(&lfs_lock); 128 } 129 ip->i_state &= ~(IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY); 130 } 131
Indexes created Sat Feb 21 01:20:28 UTC 2026