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v7fs_inode_util.c revision 1.1 
      1 /*	$NetBSD: v7fs_inode_util.c,v 1.1 2011/06/27 11:52:25 uch 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 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: v7fs_inode_util.c,v 1.1 2011/06/27 11:52:25 uch Exp $");
     34 #if defined _KERNEL_OPT
     35 #include "opt_v7fs.h"
     36 #endif
     37 
     38 #ifdef _KERNEL
     39 #include <sys/systm.h>
     40 #include <sys/param.h>
     41 #else
     42 #include <stdio.h>
     43 #include <time.h>
     44 #endif
     45 
     46 #include "v7fs.h"
     47 #include "v7fs_impl.h"
     48 #include "v7fs_inode.h"
     49 
     50 #ifdef V7FS_INODE_DEBUG
     51 #define	DPRINTF(fmt, args...)	printf("%s: " fmt, __func__, ##args)
     52 #else
     53 #define	DPRINTF(fmt, args...)	((void)0)
     54 #endif
     55 
     56 void
     57 v7fs_inode_chmod(struct v7fs_inode *inode, v7fs_mode_t mode)
     58 {
     59 #define	V7FS_MODE_MASK	0xfff
     60 	DPRINTF("setattr %08o -> %08o\n", inode->mode, mode);
     61 
     62 	inode->mode &= ~V7FS_MODE_MASK;
     63 	inode->mode |= (mode & V7FS_MODE_MASK);
     64 	DPRINTF("setattr %08o -> %08o\n", inode->mode, mode);
     65 }
     66 
     67 void
     68 v7fs_inode_dump(const struct v7fs_inode *p)
     69 {
     70 	printf("nlink %d mode %06o  %d/%d %d bytes\n",
     71 	    p->nlink, p->mode,
     72 	    p->uid, p->gid, p->filesize);
     73 
     74 	printf("atime %d mtime %d ctime %d\n",
     75 	    p->atime, p->mtime, p->ctime);
     76 #ifndef _KERNEL
     77 	time_t at = p->atime;
     78 	time_t mt = p->mtime;
     79 	time_t ct = p->ctime;
     80 	printf(" atime %s mtime %s ctime %s", ctime(&at), ctime(&mt),
     81 	    ctime(&ct));
     82 #endif
     83 	if (v7fs_inode_iscdev(p) || v7fs_inode_isbdev(p)) {
     84 		printf("device:%d/%d\n", (p->device >> 8), p->device & 0xff);
     85 	}
     86 	printf("\n");
     87 }
     88 
     89 
     90 int
     91 v7fs_ilist_foreach
     92 (struct v7fs_self *fs,
     93     int (*func)(struct v7fs_self *, void *, struct v7fs_inode *, v7fs_ino_t),
     94     void *ctx)
     95 {
     96 	struct v7fs_superblock *sb = &fs->superblock;
     97 	size_t i, j, k;
     98 	int ret;
     99 
    100 	/* Loop over ilist. */
    101 	for (k = 1, i = V7FS_ILIST_SECTOR; i < sb->datablock_start_sector;
    102 	    i++) {
    103 		struct v7fs_inode_diskimage *di;
    104 		struct v7fs_inode inode;
    105 		void *buf;
    106 
    107 		if (!(buf = scratch_read(fs, i))) {
    108 			DPRINTF("block %zu I/O error.\n", i);
    109 			k += V7FS_INODE_PER_BLOCK;
    110 			continue;
    111 		}
    112 		di = (struct v7fs_inode_diskimage *)buf;
    113 		for (j = 0; j < V7FS_INODE_PER_BLOCK; j++, k++) {
    114 			v7fs_inode_setup_memory_image(fs, &inode, di + j);
    115 			inode.inode_number = k;
    116 			if ((ret = func(fs, ctx, &inode, k))) {
    117 				scratch_free(fs, buf);
    118 				return ret;
    119 			}
    120 		}
    121 		scratch_free(fs, buf);
    122 	}
    123 	return 0;
    124 }
    125