From 64c54025842f205ad722675105b88044a5b6845a Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Tue, 26 Dec 2006 01:25:48 +0000 Subject: remove e2fsprogs. Nobody volunteered to clean up that mess --- e2fsprogs/ext2fs/bb_inode.c | 268 -------------------------------------------- 1 file changed, 268 deletions(-) delete mode 100644 e2fsprogs/ext2fs/bb_inode.c (limited to 'e2fsprogs/ext2fs/bb_inode.c') diff --git a/e2fsprogs/ext2fs/bb_inode.c b/e2fsprogs/ext2fs/bb_inode.c deleted file mode 100644 index 855f86eac..000000000 --- a/e2fsprogs/ext2fs/bb_inode.c +++ /dev/null @@ -1,268 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * bb_inode.c --- routines to update the bad block inode. - * - * WARNING: This routine modifies a lot of state in the filesystem; if - * this routine returns an error, the bad block inode may be in an - * inconsistent state. - * - * Copyright (C) 1994, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include -#include -#if HAVE_UNISTD_H -#include -#endif -#include -#include -#if HAVE_SYS_STAT_H -#include -#endif -#if HAVE_SYS_TYPES_H -#include -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct set_badblock_record { - ext2_badblocks_iterate bb_iter; - int bad_block_count; - blk_t *ind_blocks; - int max_ind_blocks; - int ind_blocks_size; - int ind_blocks_ptr; - char *block_buf; - errcode_t err; -}; - -static int set_bad_block_proc(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block, int ref_offset, - void *priv_data); -static int clear_bad_block_proc(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block, int ref_offset, - void *priv_data); - -/* - * Given a bad blocks bitmap, update the bad blocks inode to reflect - * the map. - */ -errcode_t ext2fs_update_bb_inode(ext2_filsys fs, ext2_badblocks_list bb_list) -{ - errcode_t retval; - struct set_badblock_record rec; - struct ext2_inode inode; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!fs->block_map) - return EXT2_ET_NO_BLOCK_BITMAP; - - rec.bad_block_count = 0; - rec.ind_blocks_size = rec.ind_blocks_ptr = 0; - rec.max_ind_blocks = 10; - retval = ext2fs_get_mem(rec.max_ind_blocks * sizeof(blk_t), - &rec.ind_blocks); - if (retval) - return retval; - memset(rec.ind_blocks, 0, rec.max_ind_blocks * sizeof(blk_t)); - retval = ext2fs_get_mem(fs->blocksize, &rec.block_buf); - if (retval) - goto cleanup; - memset(rec.block_buf, 0, fs->blocksize); - rec.err = 0; - - /* - * First clear the old bad blocks (while saving the indirect blocks) - */ - retval = ext2fs_block_iterate2(fs, EXT2_BAD_INO, - BLOCK_FLAG_DEPTH_TRAVERSE, 0, - clear_bad_block_proc, &rec); - if (retval) - goto cleanup; - if (rec.err) { - retval = rec.err; - goto cleanup; - } - - /* - * Now set the bad blocks! - * - * First, mark the bad blocks as used. This prevents a bad - * block from being used as an indirecto block for the bad - * block inode (!). - */ - if (bb_list) { - retval = ext2fs_badblocks_list_iterate_begin(bb_list, - &rec.bb_iter); - if (retval) - goto cleanup; - retval = ext2fs_block_iterate2(fs, EXT2_BAD_INO, - BLOCK_FLAG_APPEND, 0, - set_bad_block_proc, &rec); - ext2fs_badblocks_list_iterate_end(rec.bb_iter); - if (retval) - goto cleanup; - if (rec.err) { - retval = rec.err; - goto cleanup; - } - } - - /* - * Update the bad block inode's mod time and block count - * field. - */ - retval = ext2fs_read_inode(fs, EXT2_BAD_INO, &inode); - if (retval) - goto cleanup; - - inode.i_atime = inode.i_mtime = time(0); - if (!inode.i_ctime) - inode.i_ctime = time(0); - inode.i_blocks = rec.bad_block_count * (fs->blocksize / 512); - inode.i_size = rec.bad_block_count * fs->blocksize; - - retval = ext2fs_write_inode(fs, EXT2_BAD_INO, &inode); - if (retval) - goto cleanup; - -cleanup: - ext2fs_free_mem(&rec.ind_blocks); - ext2fs_free_mem(&rec.block_buf); - return retval; -} - -/* - * Helper function for update_bb_inode() - * - * Clear the bad blocks in the bad block inode, while saving the - * indirect blocks. - */ -#ifdef __TURBOC__ -# pragma argsused -#endif -static int clear_bad_block_proc(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block EXT2FS_ATTR((unused)), - int ref_offset EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct set_badblock_record *rec = (struct set_badblock_record *) - priv_data; - errcode_t retval; - unsigned long old_size; - - if (!*block_nr) - return 0; - - /* - * If the block number is outrageous, clear it and ignore it. - */ - if (*block_nr >= fs->super->s_blocks_count || - *block_nr < fs->super->s_first_data_block) { - *block_nr = 0; - return BLOCK_CHANGED; - } - - if (blockcnt < 0) { - if (rec->ind_blocks_size >= rec->max_ind_blocks) { - old_size = rec->max_ind_blocks * sizeof(blk_t); - rec->max_ind_blocks += 10; - retval = ext2fs_resize_mem(old_size, - rec->max_ind_blocks * sizeof(blk_t), - &rec->ind_blocks); - if (retval) { - rec->max_ind_blocks -= 10; - rec->err = retval; - return BLOCK_ABORT; - } - } - rec->ind_blocks[rec->ind_blocks_size++] = *block_nr; - } - - /* - * Mark the block as unused, and update accounting information - */ - ext2fs_block_alloc_stats(fs, *block_nr, -1); - - *block_nr = 0; - return BLOCK_CHANGED; -} - - -/* - * Helper function for update_bb_inode() - * - * Set the block list in the bad block inode, using the supplied bitmap. - */ -#ifdef __TURBOC__ - #pragma argsused -#endif -static int set_bad_block_proc(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block EXT2FS_ATTR((unused)), - int ref_offset EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct set_badblock_record *rec = (struct set_badblock_record *) - priv_data; - errcode_t retval; - blk_t blk; - - if (blockcnt >= 0) { - /* - * Get the next bad block. - */ - if (!ext2fs_badblocks_list_iterate(rec->bb_iter, &blk)) - return BLOCK_ABORT; - rec->bad_block_count++; - } else { - /* - * An indirect block; fetch a block from the - * previously used indirect block list. The block - * most be not marked as used; if so, get another one. - * If we run out of reserved indirect blocks, allocate - * a new one. - */ - retry: - if (rec->ind_blocks_ptr < rec->ind_blocks_size) { - blk = rec->ind_blocks[rec->ind_blocks_ptr++]; - if (ext2fs_test_block_bitmap(fs->block_map, blk)) - goto retry; - } else { - retval = ext2fs_new_block(fs, 0, 0, &blk); - if (retval) { - rec->err = retval; - return BLOCK_ABORT; - } - } - retval = io_channel_write_blk(fs->io, blk, 1, rec->block_buf); - if (retval) { - rec->err = retval; - return BLOCK_ABORT; - } - } - - /* - * Update block counts - */ - ext2fs_block_alloc_stats(fs, blk, +1); - - *block_nr = blk; - return BLOCK_CHANGED; -} - - - - - - -- cgit v1.2.3