119 lines
3.6 KiB
C
119 lines
3.6 KiB
C
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/* $NetBSD: lfs_itimes.c,v 1.12 2008/04/28 20:24:11 martin Exp $ */
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/*-
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* Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Konrad E. Schroder <perseant@hhhh.org>.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: lfs_itimes.c,v 1.12 2008/04/28 20:24:11 martin Exp $");
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/mount.h>
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#include <sys/buf.h>
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#include <ufs/ufs/inode.h>
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#ifndef _KERNEL
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#include "bufcache.h"
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#include "vnode.h"
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#include "lfs_user.h"
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#define vnode uvnode
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#define buf ubuf
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#define panic call_panic
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#else
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#include <ufs/lfs/lfs_extern.h>
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#include <sys/kauth.h>
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#endif
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#include <ufs/lfs/lfs.h>
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void
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lfs_itimes(struct inode *ip, const struct timespec *acc,
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const struct timespec *mod, const struct timespec *cre)
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{
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#ifdef _KERNEL
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struct timespec now;
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KASSERT(ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY));
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vfs_timestamp(&now);
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#endif
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if (ip->i_flag & IN_ACCESS) {
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#ifdef _KERNEL
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if (acc == NULL)
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acc = &now;
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#endif
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ip->i_ffs1_atime = acc->tv_sec;
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ip->i_ffs1_atimensec = acc->tv_nsec;
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if (ip->i_lfs->lfs_version > 1) {
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struct lfs *fs = ip->i_lfs;
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struct buf *ibp;
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IFILE *ifp;
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LFS_IENTRY(ifp, ip->i_lfs, ip->i_number, ibp);
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ifp->if_atime_sec = acc->tv_sec;
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ifp->if_atime_nsec = acc->tv_nsec;
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LFS_BWRITE_LOG(ibp);
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mutex_enter(&lfs_lock);
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fs->lfs_flags |= LFS_IFDIRTY;
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mutex_exit(&lfs_lock);
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} else {
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mutex_enter(&lfs_lock);
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LFS_SET_UINO(ip, IN_ACCESSED);
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mutex_exit(&lfs_lock);
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}
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}
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if (ip->i_flag & (IN_CHANGE | IN_UPDATE | IN_MODIFY)) {
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if (ip->i_flag & (IN_UPDATE | IN_MODIFY)) {
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#ifdef _KERNEL
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if (mod == NULL)
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mod = &now;
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#endif
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ip->i_ffs1_mtime = mod->tv_sec;
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ip->i_ffs1_mtimensec = mod->tv_nsec;
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ip->i_modrev++;
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}
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if (ip->i_flag & (IN_CHANGE | IN_MODIFY)) {
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#ifdef _KERNEL
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if (cre == NULL)
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cre = &now;
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#endif
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ip->i_ffs1_ctime = cre->tv_sec;
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ip->i_ffs1_ctimensec = cre->tv_nsec;
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}
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mutex_enter(&lfs_lock);
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if (ip->i_flag & (IN_CHANGE | IN_UPDATE))
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LFS_SET_UINO(ip, IN_MODIFIED);
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if (ip->i_flag & IN_MODIFY)
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LFS_SET_UINO(ip, IN_ACCESSED);
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mutex_exit(&lfs_lock);
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}
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ip->i_flag &= ~(IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY);
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}
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