e408053d1b
the precision of getnanotime() is not suitable for file timestamps. esp. when it's nfs-exported. - introduce vfs_timestamp(). (the name is from freebsd. currently merely a wrapper of nanotime()) - for ufs-like filesystems, use it rather than getnanotime(). XXX check other filesystems.
122 lines
3.9 KiB
C
122 lines
3.9 KiB
C
/* $NetBSD: lfs_itimes.c,v 1.10 2006/06/23 14:13:02 yamt Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Konrad E. Schroder <perseant@hhhh.org>.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: lfs_itimes.c,v 1.10 2006/06/23 14:13:02 yamt Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/time.h>
|
|
#include <sys/mount.h>
|
|
#include <sys/buf.h>
|
|
|
|
#include <ufs/ufs/inode.h>
|
|
|
|
#ifndef _KERNEL
|
|
#include "bufcache.h"
|
|
#include "vnode.h"
|
|
#include "lfs_user.h"
|
|
#define vnode uvnode
|
|
#define buf ubuf
|
|
#define panic call_panic
|
|
#else
|
|
#include <ufs/lfs/lfs_extern.h>
|
|
#include <sys/kauth.h>
|
|
#endif
|
|
|
|
#include <ufs/lfs/lfs.h>
|
|
|
|
void
|
|
lfs_itimes(struct inode *ip, const struct timespec *acc,
|
|
const struct timespec *mod, const struct timespec *cre)
|
|
{
|
|
#ifdef _KERNEL
|
|
struct timespec now;
|
|
|
|
KASSERT(ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY));
|
|
|
|
vfs_timestamp(&now);
|
|
#endif
|
|
|
|
if (ip->i_flag & IN_ACCESS) {
|
|
#ifdef _KERNEL
|
|
if (acc == NULL)
|
|
acc = &now;
|
|
#endif
|
|
ip->i_ffs1_atime = acc->tv_sec;
|
|
ip->i_ffs1_atimensec = acc->tv_nsec;
|
|
if (ip->i_lfs->lfs_version > 1) {
|
|
struct lfs *fs = ip->i_lfs;
|
|
struct buf *ibp;
|
|
IFILE *ifp;
|
|
|
|
LFS_IENTRY(ifp, ip->i_lfs, ip->i_number, ibp);
|
|
ifp->if_atime_sec = acc->tv_sec;
|
|
ifp->if_atime_nsec = acc->tv_nsec;
|
|
LFS_BWRITE_LOG(ibp);
|
|
simple_lock(&fs->lfs_interlock);
|
|
fs->lfs_flags |= LFS_IFDIRTY;
|
|
simple_unlock(&fs->lfs_interlock);
|
|
} else {
|
|
LFS_SET_UINO(ip, IN_ACCESSED);
|
|
}
|
|
}
|
|
if (ip->i_flag & (IN_CHANGE | IN_UPDATE | IN_MODIFY)) {
|
|
if (ip->i_flag & (IN_UPDATE | IN_MODIFY)) {
|
|
#ifdef _KERNEL
|
|
if (mod == NULL)
|
|
mod = &now;
|
|
#endif
|
|
ip->i_ffs1_mtime = mod->tv_sec;
|
|
ip->i_ffs1_mtimensec = mod->tv_nsec;
|
|
ip->i_modrev++;
|
|
}
|
|
if (ip->i_flag & (IN_CHANGE | IN_MODIFY)) {
|
|
#ifdef _KERNEL
|
|
if (cre == NULL)
|
|
cre = &now;
|
|
#endif
|
|
ip->i_ffs1_ctime = cre->tv_sec;
|
|
ip->i_ffs1_ctimensec = cre->tv_nsec;
|
|
}
|
|
if (ip->i_flag & (IN_CHANGE | IN_UPDATE))
|
|
LFS_SET_UINO(ip, IN_MODIFIED);
|
|
if (ip->i_flag & IN_MODIFY)
|
|
LFS_SET_UINO(ip, IN_ACCESSED);
|
|
}
|
|
ip->i_flag &= ~(IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY);
|
|
}
|