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 | |