mirror of https://github.com/vitalif/e2fsprogs
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/*
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* pass4.c -- pass #4 of e2fsck: Check reference counts
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*
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* Copyright (C) 1993 Theodore Ts'o. This file may be redistributed
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* under the terms of the GNU Public License.
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*
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*/
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#include "e2fsck.h"
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void pass4(ext2_filsys fs)
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{
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ino_t i;
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struct ext2_inode inode;
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struct resource_track rtrack;
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init_resource_track(&rtrack);
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#ifdef MTRACE
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mtrace_print("Pass 4");
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#endif
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if (!preen)
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printf("Pass 4: Checking reference counts\n");
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for (i=1; i <= fs->super->s_inodes_count; i++) {
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if (i == EXT2_BAD_INO ||
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(i > EXT2_ROOT_INO && i < EXT2_FIRST_INODE(fs->super)))
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continue;
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if (!(ext2fs_test_inode_bitmap(inode_used_map, i)))
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continue;
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if (inode_count[i] == 0) {
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/*
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* Inode isn't attached to the filesystem;
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* prompt to reconnect.
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*/
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printf("Unattached inode %lu\n", i);
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preenhalt(fs);
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if (ask("Connect to /lost+found", 1)) {
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if (reconnect_file(fs, i))
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ext2fs_unmark_valid(fs);
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} else {
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/*
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* If we don't attach the inode, then
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* skip the i_links_test since there's
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* no point in trying to force
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* i_links_count to zero.
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*/
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ext2fs_unmark_valid(fs);
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continue;
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}
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}
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if (inode_count[i] != inode_link_info[i]) {
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e2fsck_read_inode(fs, i, &inode, "pass4");
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if (inode_link_info[i] != inode.i_links_count) {
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printf("WARNING: PROGRAMMING BUG IN E2FSCK!\n");
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printf("\tOR SOME BONEHEAD (YOU) IS CHECKING "
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"A MOUNTED (LIVE) FILESYSTEM.\n");
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printf("inode_link_info[%ld] is %u, "
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"inode.i_links_count is %d. "
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"They should be the same!\n",
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i, inode_link_info[i],
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inode.i_links_count);
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}
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printf("Inode %lu has ref count %d, expecting %d.\n",
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i, inode.i_links_count, inode_count[i]);
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if (ask("Set i_nlinks to count", 1)) {
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inode.i_links_count = inode_count[i];
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e2fsck_write_inode(fs, i, &inode, "pass4");
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} else
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ext2fs_unmark_valid(fs);
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}
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}
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free(inode_link_info); inode_link_info = 0;
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free(inode_count); inode_count = 0;
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if (tflag > 1) {
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printf("Pass 4: ");
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print_resource_track(&rtrack);
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}
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}
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