tst_iscan.c revision 543547a52a20cb7e69d74921b2f691078fd55d83 
1/*
2 * tst_inode.c --- this function tests the inode scan function
3 *
4 * Copyright (C) 1996 by Theodore Ts'o.
5 *
6 * %Begin-Header%
7 * This file may be redistributed under the terms of the GNU Library
8 * General Public License, version 2.
9 * %End-Header%
10 */
11
12#include <stdio.h>
13#include <string.h>
14#if HAVE_UNISTD_H
15#include <unistd.h>
16#endif
17#include <fcntl.h>
18#include <time.h>
19#include <sys/stat.h>
20#include <sys/types.h>
21#if HAVE_ERRNO_H
22#include <errno.h>
23#endif
24
25#include "ext2_fs.h"
26#include "ext2fs.h"
27
28blk_t test_vec[] = { 8, 12, 24, 34, 43, 44, 100, 0 };
29
30ext2_filsys	test_fs;
31ext2fs_block_bitmap bad_block_map, touched_map;
32ext2fs_inode_bitmap bad_inode_map;
33badblocks_list	test_badblocks;
34
35int first_no_comma = 1;
36int failed = 0;
37
38static void test_read_blk(unsigned long block, int count, errcode_t err)
39{
40	int	i;
41
42	if (first_no_comma)
43		first_no_comma = 0;
44	else
45		printf(", ");
46
47	if (count > 1)
48		printf("%lu-%lu", block, block+count-1);
49	else
50		printf("%lu", block);
51
52	for (i=0; i < count; i++, block++) {
53		if (ext2fs_test_block_bitmap(touched_map, block)) {
54			printf("\nDuplicate block?!? --- %lu\n", block);
55			failed++;
56			first_no_comma = 1;
57		}
58		ext2fs_mark_block_bitmap(touched_map, block);
59	}
60}
61
62/*
63 * Setup the variables for doing the inode scan test.
64 */
65static void setup(void)
66{
67	errcode_t	retval;
68	int		i;
69	struct ext2_super_block param;
70
71	initialize_ext2_error_table();
72
73	memset(&param, 0, sizeof(param));
74	param.s_blocks_count = 12000;
75
76
77	test_io_cb_read_blk = test_read_blk;
78
79	retval = ext2fs_initialize("test fs", 0, &param,
80				   test_io_manager, &test_fs);
81	if (retval) {
82		com_err("setup", retval,
83			"While initializing filesystem");
84		exit(1);
85	}
86	retval = ext2fs_allocate_tables(test_fs);
87	if (retval) {
88		com_err("setup", retval,
89			"While allocating tables for test filesystem");
90		exit(1);
91	}
92	retval = ext2fs_allocate_block_bitmap(test_fs, "bad block map",
93					      &bad_block_map);
94	if (retval) {
95		com_err("setup", retval,
96			"While allocating bad_block bitmap");
97		exit(1);
98	}
99	retval = ext2fs_allocate_block_bitmap(test_fs, "touched map",
100					      &touched_map);
101	if (retval) {
102		com_err("setup", retval,
103			"While allocating touched block bitmap");
104		exit(1);
105	}
106	retval = ext2fs_allocate_inode_bitmap(test_fs, "bad inode map",
107					      &bad_inode_map);
108	if (retval) {
109		com_err("setup", retval,
110			"While allocating bad inode bitmap");
111		exit(1);
112	}
113
114	retval = ext2fs_badblocks_list_create(&test_badblocks, 5);
115	if (retval) {
116		com_err("setup", retval, "while creating badblocks list");
117		exit(1);
118	}
119	for (i=0; test_vec[i]; i++) {
120		retval = ext2fs_badblocks_list_add(test_badblocks, test_vec[i]);
121		if (retval) {
122			com_err("setup", retval,
123				"while adding test vector %d", i);
124			exit(1);
125		}
126		ext2fs_mark_block_bitmap(bad_block_map, test_vec[i]);
127	}
128	test_fs->badblocks = test_badblocks;
129}
130
131/*
132 * Iterate using inode_scan
133 */
134static void iterate(void)
135{
136	struct ext2_inode inode;
137	ext2_inode_scan	scan;
138	errcode_t	retval;
139	ext2_ino_t	ino;
140
141	retval = ext2fs_open_inode_scan(test_fs, 8, &scan);
142	if (retval) {
143		com_err("iterate", retval, "While opening inode scan");
144		exit(1);
145	}
146	printf("Reading blocks: ");
147	retval = ext2fs_get_next_inode(scan, &ino, &inode);
148	if (retval) {
149		com_err("iterate", retval, "while reading first inode");
150		exit(1);
151	}
152	while (ino) {
153		retval = ext2fs_get_next_inode(scan, &ino, &inode);
154		if (retval == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE) {
155			ext2fs_mark_inode_bitmap(bad_inode_map, ino);
156			continue;
157		}
158		if (retval) {
159			com_err("iterate", retval,
160				"while getting next inode");
161			exit(1);
162		}
163	}
164	printf("\n");
165	ext2fs_close_inode_scan(scan);
166}
167
168/*
169 * Verify the touched map
170 */
171static void check_map(void)
172{
173	int	i, j, first=1;
174	unsigned long	blk;
175
176	for (i=0; test_vec[i]; i++) {
177		if (ext2fs_test_block_bitmap(touched_map, test_vec[i])) {
178			printf("Bad block was touched --- %u\n", test_vec[i]);
179			failed++;
180			first_no_comma = 1;
181		}
182		ext2fs_mark_block_bitmap(touched_map, test_vec[i]);
183	}
184	for (i = 0; i < test_fs->group_desc_count; i++) {
185		for (j=0, blk = test_fs->group_desc[i].bg_inode_table;
186		     j < test_fs->inode_blocks_per_group;
187		     j++, blk++) {
188			if (!ext2fs_test_block_bitmap(touched_map, blk) &&
189			    !ext2fs_test_block_bitmap(bad_block_map, blk)) {
190				printf("Missing block --- %lu\n", blk);
191				failed++;
192			}
193		}
194	}
195	printf("Bad inodes: ");
196	for (i=1; i <= test_fs->super->s_inodes_count; i++) {
197		if (ext2fs_test_inode_bitmap(bad_inode_map, i)) {
198			if (first)
199				first = 0;
200			else
201				printf(", ");
202			printf("%u", i);
203		}
204	}
205	printf("\n");
206}
207
208
209int main(int argc, char **argv)
210{
211	setup();
212	iterate();
213	check_map();
214	if (!failed)
215		printf("Inode scan tested OK!\n");
216	return failed;
217}
218
219