Esempio n. 1
0
errcode_t ea_refcount_create(size_t size, ext2_refcount_t *ret)
{
	ext2_refcount_t	refcount;
	errcode_t	retval;
	size_t		bytes;

	retval = ext2fs_get_mem(sizeof(struct ea_refcount), &refcount);
	if (retval)
		return retval;
	memset(refcount, 0, sizeof(struct ea_refcount));

	if (!size)
		size = 500;
	refcount->size = size;
	bytes = size * sizeof(struct ea_refcount_el);
#ifdef DEBUG
	printf("Refcount allocated %zu entries, %zu bytes.\n",
	       refcount->size, bytes);
#endif
	retval = ext2fs_get_mem(bytes, &refcount->list);
	if (retval)
		goto errout;
	memset(refcount->list, 0, bytes);

	refcount->count = 0;
	refcount->cursor = 0;

	*ret = refcount;
	return 0;

errout:
	ea_refcount_free(refcount);
	return(retval);
}
Esempio n. 2
0
/*
 * This function resets an e2fsck context; it is called when e2fsck
 * needs to be restarted.
 */
errcode_t e2fsck_reset_context(e2fsck_t ctx)
{
	ctx->flags = 0;
	ctx->lost_and_found = 0;
	ctx->bad_lost_and_found = 0;
	if (ctx->inode_used_map) {
		ext2fs_free_inode_bitmap(ctx->inode_used_map);
		ctx->inode_used_map = 0;
	}
	if (ctx->inode_dir_map) {
		ext2fs_free_inode_bitmap(ctx->inode_dir_map);
		ctx->inode_dir_map = 0;
	}
	if (ctx->inode_reg_map) {
		ext2fs_free_inode_bitmap(ctx->inode_reg_map);
		ctx->inode_reg_map = 0;
	}
	if (ctx->block_found_map) {
		ext2fs_free_block_bitmap(ctx->block_found_map);
		ctx->block_found_map = 0;
	}
	if (ctx->inode_link_info) {
		ext2fs_free_icount(ctx->inode_link_info);
		ctx->inode_link_info = 0;
	}
	if (ctx->journal_io) {
		if (ctx->fs && ctx->fs->io != ctx->journal_io)
			io_channel_close(ctx->journal_io);
		ctx->journal_io = 0;
	}
	if (ctx->fs && ctx->fs->dblist) {
		ext2fs_free_dblist(ctx->fs->dblist);
		ctx->fs->dblist = 0;
	}
	e2fsck_free_dir_info(ctx);
#ifdef ENABLE_HTREE
	e2fsck_free_dx_dir_info(ctx);
#endif
	if (ctx->refcount) {
		ea_refcount_free(ctx->refcount);
		ctx->refcount = 0;
	}
	if (ctx->refcount_extra) {
		ea_refcount_free(ctx->refcount_extra);
		ctx->refcount_extra = 0;
	}
	if (ctx->block_dup_map) {
		ext2fs_free_block_bitmap(ctx->block_dup_map);
		ctx->block_dup_map = 0;
	}
	if (ctx->block_ea_map) {
		ext2fs_free_block_bitmap(ctx->block_ea_map);
		ctx->block_ea_map = 0;
	}
	if (ctx->inode_bb_map) {
		ext2fs_free_inode_bitmap(ctx->inode_bb_map);
		ctx->inode_bb_map = 0;
	}
	if (ctx->inode_bad_map) {
		ext2fs_free_inode_bitmap(ctx->inode_bad_map);
		ctx->inode_bad_map = 0;
	}
	if (ctx->inode_imagic_map) {
		ext2fs_free_inode_bitmap(ctx->inode_imagic_map);
		ctx->inode_imagic_map = 0;
	}
	if (ctx->dirs_to_hash) {
		ext2fs_u32_list_free(ctx->dirs_to_hash);
		ctx->dirs_to_hash = 0;
	}

	/*
	 * Clear the array of invalid meta-data flags
	 */
	if (ctx->invalid_inode_bitmap_flag) {
		ext2fs_free_mem(&ctx->invalid_inode_bitmap_flag);
		ctx->invalid_inode_bitmap_flag = 0;
	}
	if (ctx->invalid_block_bitmap_flag) {
		ext2fs_free_mem(&ctx->invalid_block_bitmap_flag);
		ctx->invalid_block_bitmap_flag = 0;
	}
	if (ctx->invalid_inode_table_flag) {
		ext2fs_free_mem(&ctx->invalid_inode_table_flag);
		ctx->invalid_inode_table_flag = 0;
	}

	/* Clear statistic counters */
	ctx->fs_directory_count = 0;
	ctx->fs_regular_count = 0;
	ctx->fs_blockdev_count = 0;
	ctx->fs_chardev_count = 0;
	ctx->fs_links_count = 0;
	ctx->fs_symlinks_count = 0;
	ctx->fs_fast_symlinks_count = 0;
	ctx->fs_fifo_count = 0;
	ctx->fs_total_count = 0;
	ctx->fs_badblocks_count = 0;
	ctx->fs_sockets_count = 0;
	ctx->fs_ind_count = 0;
	ctx->fs_dind_count = 0;
	ctx->fs_tind_count = 0;
	ctx->fs_fragmented = 0;
	ctx->large_files = 0;

	/* Reset the superblock to the user's requested value */
	ctx->superblock = ctx->use_superblock;
	
	return 0;
}
Esempio n. 3
0
/*
 * This function resets an e2fsck context; it is called when e2fsck
 * needs to be restarted.
 */
errcode_t e2fsck_reset_context(e2fsck_t ctx)
{
	int	i;

	ctx->flags &= E2F_RESET_FLAGS;
	ctx->lost_and_found = 0;
	ctx->bad_lost_and_found = 0;
	if (ctx->inode_used_map) {
		ext2fs_free_inode_bitmap(ctx->inode_used_map);
		ctx->inode_used_map = 0;
	}
	if (ctx->inode_dir_map) {
		ext2fs_free_inode_bitmap(ctx->inode_dir_map);
		ctx->inode_dir_map = 0;
	}
	if (ctx->inode_reg_map) {
		ext2fs_free_inode_bitmap(ctx->inode_reg_map);
		ctx->inode_reg_map = 0;
	}
	if (ctx->block_found_map) {
		ext2fs_free_block_bitmap(ctx->block_found_map);
		ctx->block_found_map = 0;
	}
	if (ctx->inode_link_info) {
		ext2fs_free_icount(ctx->inode_link_info);
		ctx->inode_link_info = 0;
	}
	if (ctx->journal_io) {
		if (ctx->fs && ctx->fs->io != ctx->journal_io)
			io_channel_close(ctx->journal_io);
		ctx->journal_io = 0;
	}
	if (ctx->fs && ctx->fs->dblist) {
		ext2fs_free_dblist(ctx->fs->dblist);
		ctx->fs->dblist = 0;
	}
	e2fsck_free_dir_info(ctx);
	e2fsck_free_dx_dir_info(ctx);
	if (ctx->refcount) {
		ea_refcount_free(ctx->refcount);
		ctx->refcount = 0;
	}
	if (ctx->refcount_extra) {
		ea_refcount_free(ctx->refcount_extra);
		ctx->refcount_extra = 0;
	}
	if (ctx->block_dup_map) {
		ext2fs_free_block_bitmap(ctx->block_dup_map);
		ctx->block_dup_map = 0;
	}
	if (ctx->block_ea_map) {
		ext2fs_free_block_bitmap(ctx->block_ea_map);
		ctx->block_ea_map = 0;
	}
	if (ctx->block_metadata_map) {
		ext2fs_free_block_bitmap(ctx->block_metadata_map);
		ctx->block_metadata_map = 0;
	}
	if (ctx->inode_bb_map) {
		ext2fs_free_inode_bitmap(ctx->inode_bb_map);
		ctx->inode_bb_map = 0;
	}
	if (ctx->inode_bad_map) {
		ext2fs_free_inode_bitmap(ctx->inode_bad_map);
		ctx->inode_bad_map = 0;
	}
	if (ctx->inode_imagic_map) {
		ext2fs_free_inode_bitmap(ctx->inode_imagic_map);
		ctx->inode_imagic_map = 0;
	}
	if (ctx->dirs_to_hash) {
		ext2fs_u32_list_free(ctx->dirs_to_hash);
		ctx->dirs_to_hash = 0;
	}

	/*
	 * Clear the array of invalid meta-data flags
	 */
	if (ctx->invalid_inode_bitmap_flag) {
		ext2fs_free_mem(&ctx->invalid_inode_bitmap_flag);
		ctx->invalid_inode_bitmap_flag = 0;
	}
	if (ctx->invalid_block_bitmap_flag) {
		ext2fs_free_mem(&ctx->invalid_block_bitmap_flag);
		ctx->invalid_block_bitmap_flag = 0;
	}
	if (ctx->invalid_inode_table_flag) {
		ext2fs_free_mem(&ctx->invalid_inode_table_flag);
		ctx->invalid_inode_table_flag = 0;
	}
	if (ctx->encrypted_dirs) {
		ext2fs_u32_list_free(ctx->encrypted_dirs);
		ctx->encrypted_dirs = 0;
	}
	if (ctx->inode_count) {
		ext2fs_free_icount(ctx->inode_count);
		ctx->inode_count = 0;
	}

	/* Clear statistic counters */
	ctx->fs_directory_count = 0;
	ctx->fs_regular_count = 0;
	ctx->fs_blockdev_count = 0;
	ctx->fs_chardev_count = 0;
	ctx->fs_links_count = 0;
	ctx->fs_symlinks_count = 0;
	ctx->fs_fast_symlinks_count = 0;
	ctx->fs_fifo_count = 0;
	ctx->fs_total_count = 0;
	ctx->fs_badblocks_count = 0;
	ctx->fs_sockets_count = 0;
	ctx->fs_ind_count = 0;
	ctx->fs_dind_count = 0;
	ctx->fs_tind_count = 0;
	ctx->fs_fragmented = 0;
	ctx->fs_fragmented_dir = 0;
	ctx->large_files = 0;

	for (i=0; i < MAX_EXTENT_DEPTH_COUNT; i++)
		ctx->extent_depth_count[i] = 0;

	/* Reset the superblock to the user's requested value */
	ctx->superblock = ctx->use_superblock;

	return 0;
}
Esempio n. 4
0
int main(int argc, char **argv)
{
	int	i = 0;
	ext2_refcount_t refcount;
	size_t		size;
	ea_key_t	ea_key;
	ea_value_t	arg;
	errcode_t	retval;

	while (1) {
		switch (bcode_program[i++]) {
		case BCODE_END:
			exit(0);
		case BCODE_CREATE:
			size = bcode_program[i++];
			retval = ea_refcount_create(size, &refcount);
			if (retval) {
				com_err("ea_refcount_create", retval,
					"while creating size %zu", size);
				exit(1);
			} else
				printf("Creating refcount with size %zu\n",
				       size);
			break;
		case BCODE_FREE:
			ea_refcount_free(refcount);
			refcount = 0;
			printf("Freeing refcount\n");
			break;
		case BCODE_STORE:
			ea_key = (size_t) bcode_program[i++];
			arg = bcode_program[i++];
			printf("Storing ea_key %llu with value %llu\n", ea_key,
			       arg);
			retval = ea_refcount_store(refcount, ea_key, arg);
			if (retval)
				com_err("ea_refcount_store", retval,
					"while storing ea_key %llu", ea_key);
			break;
		case BCODE_FETCH:
			ea_key = (size_t) bcode_program[i++];
			retval = ea_refcount_fetch(refcount, ea_key, &arg);
			if (retval)
				com_err("ea_refcount_fetch", retval,
					"while fetching ea_key %llu", ea_key);
			else
				printf("bcode_fetch(%llu) returns %llu\n",
				       ea_key, arg);
			break;
		case BCODE_INCR:
			ea_key = (size_t) bcode_program[i++];
			retval = ea_refcount_increment(refcount, ea_key, &arg);
			if (retval)
				com_err("ea_refcount_increment", retval,
					"while incrementing ea_key %llu",
					ea_key);
			else
				printf("bcode_increment(%llu) returns %llu\n",
				       ea_key, arg);
			break;
		case BCODE_DECR:
			ea_key = (size_t) bcode_program[i++];
			retval = ea_refcount_decrement(refcount, ea_key, &arg);
			if (retval)
				com_err("ea_refcount_decrement", retval,
					"while decrementing ea_key %llu",
					ea_key);
			else
				printf("bcode_decrement(%llu) returns %llu\n",
				       ea_key, arg);
			break;
		case BCODE_VALIDATE:
			retval = ea_refcount_validate(refcount, stderr);
			if (retval)
				com_err("ea_refcount_validate", retval,
					"while validating");
			else
				printf("Refcount validation OK.\n");
			break;
		case BCODE_LIST:
			ea_refcount_intr_begin(refcount);
			while (1) {
				ea_key = ea_refcount_intr_next(refcount, &arg);
				if (!ea_key)
					break;
				printf("\tea_key=%llu, count=%llu\n", ea_key,
				       arg);
			}
			break;
		case BCODE_COLLAPSE:
			refcount_collapse(refcount);
			break;
		}

	}
}
Esempio n. 5
0
int main(int argc, char **argv)
{
	int	i = 0;
	ext2_refcount_t refcount;
	int		size, arg;
	blk_t		blk;
	errcode_t	retval;

	while (1) {
		switch (bcode_program[i++]) {
		case BCODE_END:
			exit(0);
		case BCODE_CREATE:
			size = bcode_program[i++];
			retval = ea_refcount_create(size, &refcount);
			if (retval) {
				com_err("ea_refcount_create",
					retval, "");
				exit(1);
			} else
				printf("Creating refcount with size %d\n",
				       size);
			break;
		case BCODE_FREE:
			ea_refcount_free(refcount);
			refcount = 0;
			printf("Freeing refcount\n");
			break;
		case BCODE_STORE:
			blk = (blk_t) bcode_program[i++];
			arg = bcode_program[i++];
			retval = ea_refcount_store(refcount, blk, arg);
			printf("Storing blk %u with value %d\n", blk, arg);
			if (retval)
				com_err("ea_refcount_store", retval, "");
			break;
		case BCODE_FETCH:
			blk = (blk_t) bcode_program[i++];
			retval = ea_refcount_fetch(refcount, blk, &arg);
			if (retval)
				com_err("ea_refcount_fetch", retval, "");
			else
				printf("bcode_fetch(%u) returns %d\n",
				       blk, arg);
			break;
		case BCODE_INCR:
			blk = (blk_t) bcode_program[i++];
			retval = ea_refcount_increment(refcount, blk,
							   &arg);
			if (retval)
				com_err("ea_refcount_increment", retval,
					"");
			else
				printf("bcode_increment(%u) returns %d\n",
				       blk, arg);
			break;
		case BCODE_DECR:
			blk = (blk_t) bcode_program[i++];
			retval = ea_refcount_decrement(refcount, blk,
							   &arg);
			if (retval)
				com_err("ea_refcount_decrement", retval,
					"while decrementing blk %u", blk);
			else
				printf("bcode_decrement(%u) returns %d\n",
				       blk, arg);
			break;
		case BCODE_VALIDATE:
			retval = ea_refcount_validate(refcount, stderr);
			if (retval)
				com_err("ea_refcount_validate",
					retval, "");
			else
				printf("Refcount validation OK.\n");
			break;
		case BCODE_LIST:
			ea_refcount_intr_begin(refcount);
			while (1) {
				blk = ea_refcount_intr_next(refcount, 
								&arg);
				if (!blk)
					break;
				printf("\tblk=%u, count=%d\n", blk,
				       arg);
			}
			break;
		case BCODE_COLLAPSE:
			refcount_collapse(refcount);
			break;
		}
		
	}
}