sys/fs/v7fs/v7fs_inode_util.c

   1 /*      $NetBSD: v7fs_inode_util.c,v 1.2 2011/07/18 21:51:49 apb Exp $  */
   2
   3 /*-
   4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by UCHIYAMA Yasushi.
   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
  32 #if HAVE_NBTOOL_CONFIG_H
  33 #include "nbtool_config.h"
  34 #endif
  35
  36 #include <sys/cdefs.h>
  37 __KERNEL_RCSID(0, "$NetBSD: v7fs_inode_util.c,v 1.2 2011/07/18 21:51:49 apb Exp $");
  38 #if defined _KERNEL_OPT
  39 #include "opt_v7fs.h"
  40 #endif
  41
  42 #ifdef _KERNEL
  43 #include <sys/systm.h>
  44 #include <sys/param.h>
  45 #else
  46 #include <stdio.h>
  47 #include <time.h>
  48 #endif
  49
  50 #include "v7fs.h"
  51 #include "v7fs_impl.h"
  52 #include "v7fs_inode.h"
  53
  54 #ifdef V7FS_INODE_DEBUG
  55 #define DPRINTF(fmt, args...)   printf("%s: " fmt, __func__, ##args)
  56 #else
  57 #define DPRINTF(fmt, args...)   ((void)0)
  58 #endif
  59
  60 void
  61 v7fs_inode_chmod(struct v7fs_inode *inode, v7fs_mode_t mode)
  62 {
  63 #define V7FS_MODE_MASK  0xfff
  64         DPRINTF("setattr %08o -> %08o\n", inode->mode, mode);
  65
  66         inode->mode &= ~V7FS_MODE_MASK;
  67         inode->mode |= (mode & V7FS_MODE_MASK);
  68         DPRINTF("setattr %08o -> %08o\n", inode->mode, mode);
  69 }
  70
  71 void
  72 v7fs_inode_dump(const struct v7fs_inode *p)
  73 {
  74         printf("nlink %d mode %06o  %d/%d %d bytes\n",
  75             p->nlink, p->mode,
  76             p->uid, p->gid, p->filesize);
  77
  78         printf("atime %d mtime %d ctime %d\n",
  79             p->atime, p->mtime, p->ctime);
  80 #ifndef _KERNEL
  81         time_t at = p->atime;
  82         time_t mt = p->mtime;
  83         time_t ct = p->ctime;
  84         printf(" atime %s mtime %s ctime %s", ctime(&at), ctime(&mt),
  85             ctime(&ct));
  86 #endif
  87         if (v7fs_inode_iscdev(p) || v7fs_inode_isbdev(p)) {
  88                 printf("device:%d/%d\n", (p->device >> 8), p->device & 0xff);
  89         }
  90         printf("\n");
  91 }
  92
  93
  94 int
  95 v7fs_ilist_foreach
  96 (struct v7fs_self *fs,
  97     int (*func)(struct v7fs_self *, void *, struct v7fs_inode *, v7fs_ino_t),
  98     void *ctx)
  99 {
 100         struct v7fs_superblock *sb = &fs->superblock;
 101         size_t i, j, k;
 102         int ret;
 103
 104         /* Loop over ilist. */
 105         for (k = 1, i = V7FS_ILIST_SECTOR; i < sb->datablock_start_sector;
 106             i++) {
 107                 struct v7fs_inode_diskimage *di;
 108                 struct v7fs_inode inode;
 109                 void *buf;
 110
 111                 if (!(buf = scratch_read(fs, i))) {
 112                         DPRINTF("block %zu I/O error.\n", i);
 113                         k += V7FS_INODE_PER_BLOCK;
 114                         continue;
 115                 }
 116                 di = (struct v7fs_inode_diskimage *)buf;
 117                 for (j = 0; j < V7FS_INODE_PER_BLOCK; j++, k++) {
 118                         v7fs_inode_setup_memory_image(fs, &inode, di + j);
 119                         inode.inode_number = k;
 120                         if ((ret = func(fs, ctx, &inode, k))) {
 121                                 scratch_free(fs, buf);
 122                                 return ret;
 123                         }
 124                 }
 125                 scratch_free(fs, buf);
 126         }
 127         return 0;
 128 }