diff options
Diffstat (limited to 'e2fsprogs/e2fsck/pass4.c')
| -rw-r--r-- | e2fsprogs/e2fsck/pass4.c | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/e2fsprogs/e2fsck/pass4.c b/e2fsprogs/e2fsck/pass4.c deleted file mode 100644 index a9e49f1..0000000 --- a/e2fsprogs/e2fsck/pass4.c +++ /dev/null @@ -1,178 +0,0 @@ -/* - * pass4.c -- pass #4 of e2fsck: Check reference counts - * - * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - * - * Pass 4 frees the following data structures: - * - A bitmap of which inodes are in bad blocks. (inode_bb_map) - * - A bitmap of which inodes are imagic inodes. (inode_imagic_map) - */ - -#include "e2fsck.h" -#include "problem.h" - -/* - * This routine is called when an inode is not connected to the - * directory tree. - * - * This subroutine returns 1 then the caller shouldn't bother with the - * rest of the pass 4 tests. - */ -static int disconnect_inode(e2fsck_t ctx, ext2_ino_t i) -{ - ext2_filsys fs = ctx->fs; - struct ext2_inode inode; - struct problem_context pctx; - - e2fsck_read_inode(ctx, i, &inode, "pass4: disconnect_inode"); - clear_problem_context(&pctx); - pctx.ino = i; - pctx.inode = &inode; - - /* - * Offer to delete any zero-length files that does not have - * blocks. If there is an EA block, it might have useful - * information, so we won't prompt to delete it, but let it be - * reconnected to lost+found. - */ - if (!inode.i_blocks && (LINUX_S_ISREG(inode.i_mode) || - LINUX_S_ISDIR(inode.i_mode))) { - if (fix_problem(ctx, PR_4_ZERO_LEN_INODE, &pctx)) { - ext2fs_icount_store(ctx->inode_link_info, i, 0); - inode.i_links_count = 0; - inode.i_dtime = time(0); - e2fsck_write_inode(ctx, i, &inode, - "disconnect_inode"); - /* - * Fix up the bitmaps... - */ - e2fsck_read_bitmaps(ctx); - ext2fs_unmark_inode_bitmap(ctx->inode_used_map, i); - ext2fs_unmark_inode_bitmap(ctx->inode_dir_map, i); - ext2fs_inode_alloc_stats2(fs, i, -1, - LINUX_S_ISDIR(inode.i_mode)); - return 0; - } - } - - /* - * Prompt to reconnect. - */ - if (fix_problem(ctx, PR_4_UNATTACHED_INODE, &pctx)) { - if (e2fsck_reconnect_file(ctx, i)) - ext2fs_unmark_valid(fs); - } else { - /* - * If we don't attach the inode, then skip the - * i_links_test since there's no point in trying to - * force i_links_count to zero. - */ - ext2fs_unmark_valid(fs); - return 1; - } - return 0; -} - - -void e2fsck_pass4(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - ext2_ino_t i; - struct ext2_inode inode; -#ifdef RESOURCE_TRACK - struct resource_track rtrack; -#endif - struct problem_context pctx; - __u16 link_count, link_counted; - char *buf = 0; - int group, maxgroup; - -#ifdef RESOURCE_TRACK - init_resource_track(&rtrack); -#endif - -#ifdef MTRACE - mtrace_print("Pass 4"); -#endif - - clear_problem_context(&pctx); - - if (!(ctx->options & E2F_OPT_PREEN)) - fix_problem(ctx, PR_4_PASS_HEADER, &pctx); - - group = 0; - maxgroup = fs->group_desc_count; - if (ctx->progress) - if ((ctx->progress)(ctx, 4, 0, maxgroup)) - return; - - for (i=1; i <= fs->super->s_inodes_count; i++) { - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - return; - if ((i % fs->super->s_inodes_per_group) == 0) { - group++; - if (ctx->progress) - if ((ctx->progress)(ctx, 4, group, maxgroup)) - return; - } - if (i == EXT2_BAD_INO || - (i > EXT2_ROOT_INO && i < EXT2_FIRST_INODE(fs->super))) - continue; - if (!(ext2fs_test_inode_bitmap(ctx->inode_used_map, i)) || - (ctx->inode_imagic_map && - ext2fs_test_inode_bitmap(ctx->inode_imagic_map, i)) || - (ctx->inode_bb_map && - ext2fs_test_inode_bitmap(ctx->inode_bb_map, i))) - continue; - ext2fs_icount_fetch(ctx->inode_link_info, i, &link_count); - ext2fs_icount_fetch(ctx->inode_count, i, &link_counted); - if (link_counted == 0) { - if (!buf) - buf = e2fsck_allocate_memory(ctx, - fs->blocksize, "bad_inode buffer"); - if (e2fsck_process_bad_inode(ctx, 0, i, buf)) - continue; - if (disconnect_inode(ctx, i)) - continue; - ext2fs_icount_fetch(ctx->inode_link_info, i, - &link_count); - ext2fs_icount_fetch(ctx->inode_count, i, - &link_counted); - } - if (link_counted != link_count) { - e2fsck_read_inode(ctx, i, &inode, "pass4"); - pctx.ino = i; - pctx.inode = &inode; - if (link_count != inode.i_links_count) { - pctx.num = link_count; - fix_problem(ctx, - PR_4_INCONSISTENT_COUNT, &pctx); - } - pctx.num = link_counted; - if (fix_problem(ctx, PR_4_BAD_REF_COUNT, &pctx)) { - inode.i_links_count = link_counted; - e2fsck_write_inode(ctx, i, &inode, "pass4"); - } - } - } - ext2fs_free_icount(ctx->inode_link_info); ctx->inode_link_info = 0; - ext2fs_free_icount(ctx->inode_count); ctx->inode_count = 0; - ext2fs_free_inode_bitmap(ctx->inode_bb_map); - ctx->inode_bb_map = 0; - ext2fs_free_inode_bitmap(ctx->inode_imagic_map); - ctx->inode_imagic_map = 0; - if (buf) - ext2fs_free_mem(&buf); -#ifdef RESOURCE_TRACK - if (ctx->options & E2F_OPT_TIME2) { - e2fsck_clear_progbar(ctx); - print_resource_track(_("Pass 4"), &rtrack); - } -#endif -} - |