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
lfs_itimes(struct inode * ip,const struct timespec * acc,const struct timespec * mod,const struct timespec * cre)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