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-rw-r--r--e2fslib/tst_iscan.c218
1 files changed, 218 insertions, 0 deletions
diff --git a/e2fslib/tst_iscan.c b/e2fslib/tst_iscan.c
new file mode 100644
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--- /dev/null
+++ b/e2fslib/tst_iscan.c
@@ -0,0 +1,218 @@
+/*
+ * tst_inode.c --- this function tests the inode scan function
+ *
+ * Copyright (C) 1996 by Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+#include <stdio.h>
+#include <string.h>
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <fcntl.h>
+#include <time.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#include "ext2_fs.h"
+#include "ext2fs.h"
+
+blk_t test_vec[] = { 8, 12, 24, 34, 43, 44, 100, 0 };
+
+ext2_filsys test_fs;
+ext2fs_block_bitmap bad_block_map, touched_map;
+ext2fs_inode_bitmap bad_inode_map;
+badblocks_list test_badblocks;
+
+int first_no_comma = 1;
+int failed = 0;
+
+static void test_read_blk(unsigned long block, int count, errcode_t err)
+{
+ int i;
+
+ if (first_no_comma)
+ first_no_comma = 0;
+ else
+ printf(", ");
+
+ if (count > 1)
+ printf("%lu-%lu", block, block+count-1);
+ else
+ printf("%lu", block);
+
+ for (i=0; i < count; i++, block++) {
+ if (ext2fs_test_block_bitmap(touched_map, block)) {
+ printf("\nDuplicate block?!? --- %lu\n", block);
+ failed++;
+ first_no_comma = 1;
+ }
+ ext2fs_mark_block_bitmap(touched_map, block);
+ }
+}
+
+/*
+ * Setup the variables for doing the inode scan test.
+ */
+static void setup(void)
+{
+ errcode_t retval;
+ int i;
+ struct ext2_super_block param;
+
+ initialize_ext2_error_table();
+
+ memset(&param, 0, sizeof(param));
+ param.s_blocks_count = 12000;
+
+
+ test_io_cb_read_blk = test_read_blk;
+
+ retval = ext2fs_initialize("test fs", 0, &param,
+ test_io_manager, &test_fs);
+ if (retval) {
+ com_err("setup", retval,
+ "While initializing filesystem");
+ exit(1);
+ }
+ retval = ext2fs_allocate_tables(test_fs);
+ if (retval) {
+ com_err("setup", retval,
+ "While allocating tables for test filesystem");
+ exit(1);
+ }
+ retval = ext2fs_allocate_block_bitmap(test_fs, "bad block map",
+ &bad_block_map);
+ if (retval) {
+ com_err("setup", retval,
+ "While allocating bad_block bitmap");
+ exit(1);
+ }
+ retval = ext2fs_allocate_block_bitmap(test_fs, "touched map",
+ &touched_map);
+ if (retval) {
+ com_err("setup", retval,
+ "While allocating touched block bitmap");
+ exit(1);
+ }
+ retval = ext2fs_allocate_inode_bitmap(test_fs, "bad inode map",
+ &bad_inode_map);
+ if (retval) {
+ com_err("setup", retval,
+ "While allocating bad inode bitmap");
+ exit(1);
+ }
+
+ retval = ext2fs_badblocks_list_create(&test_badblocks, 5);
+ if (retval) {
+ com_err("setup", retval, "while creating badblocks list");
+ exit(1);
+ }
+ for (i=0; test_vec[i]; i++) {
+ retval = ext2fs_badblocks_list_add(test_badblocks, test_vec[i]);
+ if (retval) {
+ com_err("setup", retval,
+ "while adding test vector %d", i);
+ exit(1);
+ }
+ ext2fs_mark_block_bitmap(bad_block_map, test_vec[i]);
+ }
+ test_fs->badblocks = test_badblocks;
+}
+
+/*
+ * Iterate using inode_scan
+ */
+static void iterate(void)
+{
+ struct ext2_inode inode;
+ ext2_inode_scan scan;
+ errcode_t retval;
+ ext2_ino_t ino;
+
+ retval = ext2fs_open_inode_scan(test_fs, 8, &scan);
+ if (retval) {
+ com_err("iterate", retval, "While opening inode scan");
+ exit(1);
+ }
+ printf("Reading blocks: ");
+ retval = ext2fs_get_next_inode(scan, &ino, &inode);
+ if (retval) {
+ com_err("iterate", retval, "while reading first inode");
+ exit(1);
+ }
+ while (ino) {
+ retval = ext2fs_get_next_inode(scan, &ino, &inode);
+ if (retval == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE) {
+ ext2fs_mark_inode_bitmap(bad_inode_map, ino);
+ continue;
+ }
+ if (retval) {
+ com_err("iterate", retval,
+ "while getting next inode");
+ exit(1);
+ }
+ }
+ printf("\n");
+ ext2fs_close_inode_scan(scan);
+}
+
+/*
+ * Verify the touched map
+ */
+static void check_map(void)
+{
+ int i, j, first=1;
+ unsigned long blk;
+
+ for (i=0; test_vec[i]; i++) {
+ if (ext2fs_test_block_bitmap(touched_map, test_vec[i])) {
+ printf("Bad block was touched --- %d\n", test_vec[i]);
+ failed++;
+ first_no_comma = 1;
+ }
+ ext2fs_mark_block_bitmap(touched_map, test_vec[i]);
+ }
+ for (i = 0; i < test_fs->group_desc_count; i++) {
+ for (j=0, blk = test_fs->group_desc[i].bg_inode_table;
+ j < test_fs->inode_blocks_per_group;
+ j++, blk++) {
+ if (!ext2fs_test_block_bitmap(touched_map, blk) &&
+ !ext2fs_test_block_bitmap(bad_block_map, blk)) {
+ printf("Missing block --- %lu\n", blk);
+ failed++;
+ }
+ }
+ }
+ printf("Bad inodes: ");
+ for (i=1; i <= test_fs->super->s_inodes_count; i++) {
+ if (ext2fs_test_inode_bitmap(bad_inode_map, i)) {
+ if (first)
+ first = 0;
+ else
+ printf(", ");
+ printf("%d", i);
+ }
+ }
+ printf("\n");
+}
+
+
+int main(int argc, char **argv)
+{
+ setup();
+ iterate();
+ check_map();
+ if (!failed)
+ printf("Inode scan tested OK!\n");
+ return failed;
+}
+