| 1 | /* $NetBSD: lfs_itimes.c,v 1.19 2015/09/01 06:08:37 dholland 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 1.19 2015/09/01 06:08:37 dholland 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_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY)); |
| 65 | |
| 66 | vfs_timestamp(&now); |
| 67 | #endif |
| 68 | |
| 69 | if (ip->i_flag & 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_flag & (IN_CHANGE | IN_UPDATE | IN_MODIFY)) { |
| 94 | if (ip->i_flag & (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_flag & (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_flag & (IN_CHANGE | IN_UPDATE)) |
| 113 | LFS_SET_UINO(ip, IN_MODIFIED); |
| 114 | if (ip->i_flag & IN_MODIFY) |
| 115 | LFS_SET_UINO(ip, IN_ACCESSED); |
| 116 | mutex_exit(&lfs_lock); |
| 117 | } |
| 118 | ip->i_flag &= ~(IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY); |
| 119 | } |
| 120 | |