106 static void fill_inode(struct ext2_inode *inode, struct ext2_disk_inode *dino)  in fill_inode()  argument
108 	inode->i_mode        = sys_le16_to_cpu(dino->i_mode);  in fill_inode()
109 	inode->i_size        = sys_le32_to_cpu(dino->i_size);  in fill_inode()
110 	inode->i_links_count = sys_le16_to_cpu(dino->i_links_count);  in fill_inode()
111 	inode->i_blocks      = sys_le32_to_cpu(dino->i_blocks);  in fill_inode()
113 		inode->i_block[i] = sys_le32_to_cpu(dino->i_block[i]);  in fill_inode()
117 static void fill_disk_inode(struct ext2_disk_inode *dino, struct ext2_inode *inode)  in fill_disk_inode()  argument
119 	dino->i_mode        = sys_cpu_to_le16(inode->i_mode);  in fill_disk_inode()
120 	dino->i_size        = sys_cpu_to_le32(inode->i_size);  in fill_disk_inode()
121 	dino->i_links_count = sys_cpu_to_le16(inode->i_links_count);  in fill_disk_inode()
122 	dino->i_blocks      = sys_cpu_to_le32(inode->i_blocks);  in fill_disk_inode()
124 		dino->i_block[i] = sys_cpu_to_le32(inode->i_block[i]);  in fill_disk_inode()
176 void ext2_set_disk_direntry_inode(struct ext2_disk_direntry *de, uint32_t inode)  in ext2_set_disk_direntry_inode()  argument
178 	de->de_inode = sys_cpu_to_le32(inode);  in ext2_set_disk_direntry_inode()
377 int ext2_fetch_inode(struct ext2_data *fs, uint32_t ino, struct ext2_inode *inode)  in ext2_fetch_inode()  argument
390 	fill_inode(inode, dino);  in ext2_fetch_inode()
393 	inode->i_fs = fs;  in ext2_fetch_inode()
394 	inode->flags = 0;  in ext2_fetch_inode()
395 	inode->i_id = ino;  in ext2_fetch_inode()
405 static int fetch_level_blocks(struct ext2_inode *inode, uint32_t offsets[4], int lvl, int max_lvl,  in fetch_level_blocks()  argument
409 	bool already_fetched = try_current && (offsets[lvl] == inode->offsets[lvl]);  in fetch_level_blocks()
423 		ext2_drop_block(inode->blocks[lvl]);  in fetch_level_blocks()
426 			block = inode->i_block[offsets[0]];  in fetch_level_blocks()
428 			uint32_t *list = (uint32_t *)inode->blocks[lvl - 1]->data;  in fetch_level_blocks()
434 			inode->blocks[lvl] = ext2_get_empty_block(inode->i_fs);  in fetch_level_blocks()
436 			inode->blocks[lvl] = ext2_get_block(inode->i_fs, block);  in fetch_level_blocks()
439 		if (inode->blocks[lvl] == NULL) {  in fetch_level_blocks()
444 	return fetch_level_blocks(inode, offsets, lvl + 1, max_lvl, try_current);  in fetch_level_blocks()
447 int ext2_fetch_inode_block(struct ext2_inode *inode, uint32_t block)  in ext2_fetch_inode_block()  argument
450 	if (inode->flags & INODE_FETCHED_BLOCK && inode->block_num == block) {  in ext2_fetch_inode_block()
454 	LOG_DBG("inode:%d cur_blk:%d fetch_blk:%d", inode->i_id, inode->block_num, block);  in ext2_fetch_inode_block()
456 	struct ext2_data *fs = inode->i_fs;  in ext2_fetch_inode_block()
459 	bool try_current = inode->flags & INODE_FETCHED_BLOCK;  in ext2_fetch_inode_block()
463 	ret = fetch_level_blocks(inode, offsets, 0, max_lvl, try_current);  in ext2_fetch_inode_block()
465 		ext2_inode_drop_blocks(inode);  in ext2_fetch_inode_block()
469 	memcpy(inode->offsets, offsets, MAX_OFFSETS_SIZE * sizeof(uint32_t));  in ext2_fetch_inode_block()
470 	inode->block_lvl = max_lvl;  in ext2_fetch_inode_block()
471 	inode->block_num = block;  in ext2_fetch_inode_block()
472 	inode->flags |= INODE_FETCHED_BLOCK;  in ext2_fetch_inode_block()
474 	LOG_DBG("[ino:%d fetch]\t Lvl:%d {%d, %d, %d, %d}", inode->i_id, inode->block_lvl,  in ext2_fetch_inode_block()
475 			inode->offsets[0], inode->offsets[1], inode->offsets[2], inode->offsets[3]);  in ext2_fetch_inode_block()
662 int64_t ext2_inode_remove_blocks(struct ext2_inode *inode, uint32_t first)  in ext2_inode_remove_blocks()  argument
668 	struct ext2_data *fs = inode->i_fs;  in ext2_inode_remove_blocks()
670 	max_lvl = get_level_offsets(inode->i_fs, first, offsets);  in ext2_inode_remove_blocks()
681 		if (inode->i_block[offsets[0]] == 0) {  in ext2_inode_remove_blocks()
688 		ret = delete_blocks(inode->i_fs, inode->i_block[offsets[0]],  in ext2_inode_remove_blocks()
697 		if (inode->i_block[i] == 0) {  in ext2_inode_remove_blocks()
700 		ret = delete_blocks(inode->i_fs, inode->i_block[i], block0_level(i),  in ext2_inode_remove_blocks()
706 		inode->i_block[i] = 0;  in ext2_inode_remove_blocks()
710 static int alloc_level_blocks(struct ext2_inode *inode)  in alloc_level_blocks()  argument
715 	struct ext2_data *fs = inode->i_fs;  in alloc_level_blocks()
717 	for (int lvl = 0; lvl <= inode->block_lvl; ++lvl) {  in alloc_level_blocks()
719 			block = &inode->i_block[inode->offsets[lvl]];  in alloc_level_blocks()
721 			block = &((uint32_t *)inode->blocks[lvl - 1]->data)[inode->offsets[lvl]];  in alloc_level_blocks()
726 			ret = ext2_assign_block_num(fs, inode->blocks[lvl]);  in alloc_level_blocks()
732 			*block = sys_cpu_to_le32(inode->blocks[lvl]->num);  in alloc_level_blocks()
734 				ret = ext2_write_block(fs, inode->blocks[lvl-1]);  in alloc_level_blocks()
744 					lvl == inode->block_lvl ? "data" : "indirect");  in alloc_level_blocks()
751 		inode->i_blocks += fs->block_size / 512;  in alloc_level_blocks()
752 		ret = ext2_commit_inode(inode);  in alloc_level_blocks()
815 int ext2_commit_inode(struct ext2_inode *inode)  in ext2_commit_inode()  argument
817 	struct ext2_data *fs = inode->i_fs;  in ext2_commit_inode()
819 	int32_t itable_offset = get_itable_entry(fs, inode->i_id);  in ext2_commit_inode()
829 	fill_disk_inode(dino, inode);  in ext2_commit_inode()
834 int ext2_commit_inode_block(struct ext2_inode *inode)  in ext2_commit_inode_block()  argument
836 	if (!(inode->flags & INODE_FETCHED_BLOCK)) {  in ext2_commit_inode_block()
842 	LOG_DBG("inode:%d current_blk:%d", inode->i_id, inode->block_num);  in ext2_commit_inode_block()
844 	ret = alloc_level_blocks(inode);  in ext2_commit_inode_block()
848 	ret = ext2_write_block(inode->i_fs, inode_current_block(inode));  in ext2_commit_inode_block()