129 lines
3.7 KiB
C
129 lines
3.7 KiB
C
/* $NetBSD: v7fs_inode_util.c,v 1.2 2011/07/18 21:51:49 apb Exp $ */
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/*-
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* Copyright (c) 2011 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 UCHIYAMA Yasushi.
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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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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: v7fs_inode_util.c,v 1.2 2011/07/18 21:51:49 apb Exp $");
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#if defined _KERNEL_OPT
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#include "opt_v7fs.h"
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#endif
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#ifdef _KERNEL
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#include <sys/systm.h>
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#include <sys/param.h>
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#else
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#include <stdio.h>
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#include <time.h>
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#endif
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#include "v7fs.h"
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#include "v7fs_impl.h"
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#include "v7fs_inode.h"
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#ifdef V7FS_INODE_DEBUG
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#define DPRINTF(fmt, args...) printf("%s: " fmt, __func__, ##args)
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#else
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#define DPRINTF(fmt, args...) ((void)0)
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#endif
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void
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v7fs_inode_chmod(struct v7fs_inode *inode, v7fs_mode_t mode)
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{
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#define V7FS_MODE_MASK 0xfff
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DPRINTF("setattr %08o -> %08o\n", inode->mode, mode);
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inode->mode &= ~V7FS_MODE_MASK;
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inode->mode |= (mode & V7FS_MODE_MASK);
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DPRINTF("setattr %08o -> %08o\n", inode->mode, mode);
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}
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void
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v7fs_inode_dump(const struct v7fs_inode *p)
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{
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printf("nlink %d mode %06o %d/%d %d bytes\n",
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p->nlink, p->mode,
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p->uid, p->gid, p->filesize);
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printf("atime %d mtime %d ctime %d\n",
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p->atime, p->mtime, p->ctime);
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#ifndef _KERNEL
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time_t at = p->atime;
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time_t mt = p->mtime;
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time_t ct = p->ctime;
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printf(" atime %s mtime %s ctime %s", ctime(&at), ctime(&mt),
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ctime(&ct));
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#endif
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if (v7fs_inode_iscdev(p) || v7fs_inode_isbdev(p)) {
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printf("device:%d/%d\n", (p->device >> 8), p->device & 0xff);
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}
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printf("\n");
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}
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int
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v7fs_ilist_foreach
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(struct v7fs_self *fs,
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int (*func)(struct v7fs_self *, void *, struct v7fs_inode *, v7fs_ino_t),
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void *ctx)
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{
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struct v7fs_superblock *sb = &fs->superblock;
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size_t i, j, k;
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int ret;
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/* Loop over ilist. */
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for (k = 1, i = V7FS_ILIST_SECTOR; i < sb->datablock_start_sector;
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i++) {
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struct v7fs_inode_diskimage *di;
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struct v7fs_inode inode;
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void *buf;
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if (!(buf = scratch_read(fs, i))) {
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DPRINTF("block %zu I/O error.\n", i);
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k += V7FS_INODE_PER_BLOCK;
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continue;
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}
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di = (struct v7fs_inode_diskimage *)buf;
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for (j = 0; j < V7FS_INODE_PER_BLOCK; j++, k++) {
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v7fs_inode_setup_memory_image(fs, &inode, di + j);
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inode.inode_number = k;
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if ((ret = func(fs, ctx, &inode, k))) {
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scratch_free(fs, buf);
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return ret;
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}
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}
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scratch_free(fs, buf);
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}
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return 0;
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}
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