39 void error_behavior(struct ext2_data *fs, const char *msg)  in error_behavior()  argument
49 	switch (fs->sblock.s_errors) {  in error_behavior()
55 		fs->flags |= EXT2_DATA_FLAGS_RO;  in error_behavior()
89 struct ext2_block *ext2_get_block(struct ext2_data *fs, uint32_t block)  in ext2_get_block()  argument
99 	ret = fs->backend_ops->read_block(fs, b->data, block);  in ext2_get_block()
108 struct ext2_block *ext2_get_empty_block(struct ext2_data *fs)  in ext2_get_empty_block()  argument
117 	memset(b->data, 0, fs->block_size);  in ext2_get_empty_block()
121 int ext2_write_block(struct ext2_data *fs, struct ext2_block *b)  in ext2_write_block()  argument
129 	ret = fs->backend_ops->write_block(fs, b->data, b->num);  in ext2_write_block()
148 void ext2_init_blocks_slab(struct ext2_data *fs)  in ext2_init_blocks_slab()  argument
158 	k_mem_slab_init(&ext2_block_memory_slab, __ext2_block_memory_buffer, fs->block_size,  in ext2_init_blocks_slab()
162 int ext2_assign_block_num(struct ext2_data *fs, struct ext2_block *b)  in ext2_assign_block_num()  argument
171 	new_block = ext2_alloc_block(fs);  in ext2_assign_block_num()
191 	struct ext2_data *fs = &__fs;  in ext2_init_storage()  local
194 	*fsp = fs;  in ext2_init_storage()
195 	fs->open_inodes = 0;  in ext2_init_storage()
196 	fs->flags = 0;  in ext2_init_storage()
197 	fs->bgroup.num = -1;  in ext2_init_storage()
199 	ret = ext2_init_disk_access_backend(fs, storage_dev, flags);  in ext2_init_storage()
204 	dev_size = fs->backend_ops->get_device_size(fs);  in ext2_init_storage()
210 	write_size = fs->backend_ops->get_write_size(fs);  in ext2_init_storage()
225 	fs->device_size = dev_size;  in ext2_init_storage()
226 	fs->write_size = write_size;  in ext2_init_storage()
308 int ext2_init_fs(struct ext2_data *fs)  in ext2_init_fs()  argument
313 	ret = ext2_fetch_superblock(fs);  in ext2_init_fs()
318 	if (!(fs->flags & EXT2_DATA_FLAGS_RO)) {  in ext2_init_fs()
320 		fs->sblock.s_state = EXT2_ERROR_FS;  in ext2_init_fs()
321 		fs->sblock.s_mnt_count += 1;  in ext2_init_fs()
322 		ret = ext2_commit_superblock(fs);  in ext2_init_fs()
328 	ret = ext2_fetch_block_group(fs, 0);  in ext2_init_fs()
332 	ret = ext2_fetch_bg_ibitmap(&fs->bgroup);  in ext2_init_fs()
336 	ret = ext2_fetch_bg_bbitmap(&fs->bgroup);  in ext2_init_fs()
343 	struct ext2_superblock *sb = &fs->sblock;  in ext2_init_fs()
346 	set = ext2_bitmap_count_set(BGROUP_BLOCK_BITMAP(&fs->bgroup), fs_blocks);  in ext2_init_fs()
349 		error_behavior(fs, "Wrong number of used blocks in superblock and bitmap");  in ext2_init_fs()
353 	set = ext2_bitmap_count_set(BGROUP_INODE_BITMAP(&fs->bgroup), sb->s_inodes_count);  in ext2_init_fs()
356 		error_behavior(fs, "Wrong number of used inodes in superblock and bitmap");  in ext2_init_fs()
362 int ext2_close_fs(struct ext2_data *fs)  in ext2_close_fs()  argument
367 	for (int32_t i = 0; i < fs->open_inodes; ++i) {  in ext2_close_fs()
368 		if (fs->inode_pool[i] != NULL) {  in ext2_close_fs()
369 			ext2_inode_drop(fs->inode_pool[i]);  in ext2_close_fs()
374 	if (!(fs->flags & (EXT2_DATA_FLAGS_RO | EXT2_DATA_FLAGS_ERR))) {  in ext2_close_fs()
375 		fs->sblock.s_state = EXT2_VALID_FS;  in ext2_close_fs()
376 		ret = ext2_commit_superblock(fs);  in ext2_close_fs()
383 	ext2_drop_block(fs->bgroup.inode_table);  in ext2_close_fs()
384 	ext2_drop_block(fs->bgroup.inode_bitmap);  in ext2_close_fs()
385 	ext2_drop_block(fs->bgroup.block_bitmap);  in ext2_close_fs()
387 	if (fs->backend_ops->sync(fs) < 0) {  in ext2_close_fs()
393 int ext2_close_struct(struct ext2_data *fs)  in ext2_close_struct()  argument
395 	memset(fs, 0, sizeof(struct ext2_data));  in ext2_close_struct()
408 int ext2_lookup_inode(struct ext2_data *fs, struct ext2_lookup_args *args)  in ext2_lookup_inode()  argument
417 	rc = ext2_inode_get(fs, EXT2_ROOT_INODE, &cur_dir);  in ext2_lookup_inode()
465 			rc = ext2_inode_get(fs, ino, &next);  in ext2_lookup_inode()
498 			rc = ext2_inode_get(fs, ino, &next);  in ext2_lookup_inode()
568 	struct ext2_data *fs = inode->i_fs;  in find_dir_entry()  local
572 		block = offset / fs->block_size;  in find_dir_entry()
573 		block_off = offset % fs->block_size;  in find_dir_entry()
765 static int write_one_block(struct ext2_data *fs, struct ext2_block *b)  in write_one_block()  argument
770 		ret = ext2_assign_block_num(fs, b);  in write_one_block()
776 	ret = ext2_write_block(fs, b);  in write_one_block()
783 	struct ext2_data *fs = inode->i_fs;  in ext2_inode_sync()  local
789 		ret = write_one_block(fs, inode->blocks[i]);  in ext2_inode_sync()
793 		ret = fs->backend_ops->sync(fs);  in ext2_inode_sync()
809 	struct ext2_data *fs = dir->f_inode->i_fs;  in ext2_get_direntry()  local
812 	uint32_t block = dir->f_off / fs->block_size;  in ext2_get_direntry()
813 	uint32_t block_off = dir->f_off % fs->block_size;  in ext2_get_direntry()
852 		rc = ext2_inode_get(fs, de->de_inode, &inode);  in ext2_get_direntry()
874 static int ext2_create_inode(struct ext2_data *fs, struct ext2_inode *parent,  in ext2_create_inode()  argument
878 	int32_t ino = ext2_alloc_inode(fs);  in ext2_create_inode()
885 	inode->i_fs = fs;  in ext2_create_inode()
897 		fs->bgroup.bg_used_dirs_count += 1;  in ext2_create_inode()
898 		rc = ext2_commit_bg(fs);  in ext2_create_inode()
1026 	struct ext2_data *fs = parent->i_fs;  in ext2_create_file()  local
1028 	rc = ext2_create_inode(fs, args->inode, new_inode, FS_DIR_ENTRY_FILE);  in ext2_create_file()
1060 	struct ext2_data *fs = parent->i_fs;  in ext2_create_dir()  local
1063 	rc = ext2_create_inode(fs, args->inode, new_inode, FS_DIR_ENTRY_DIR);  in ext2_create_dir()
1441 int ext2_inode_get(struct ext2_data *fs, uint32_t ino, struct ext2_inode **ret)  in ext2_inode_get()  argument
1446 	for (int i = 0; i < fs->open_inodes; ++i) {  in ext2_inode_get()
1447 		inode = fs->inode_pool[i];  in ext2_inode_get()
1456 	if (fs->open_inodes >= MAX_INODES) {  in ext2_inode_get()
1468 		int rc2 = ext2_fetch_inode(fs, ino, inode);  in ext2_inode_get()
1476 	fs->inode_pool[fs->open_inodes] = inode;  in ext2_inode_get()
1477 	fs->open_inodes++;  in ext2_inode_get()
1479 	inode->i_fs = fs;  in ext2_inode_get()
1491 	struct ext2_data *fs = inode->i_fs;  in ext2_inode_drop()  local
1493 	if (fs->open_inodes <= 0) {  in ext2_inode_drop()
1506 		while (offset < MAX_INODES && fs->inode_pool[offset] != inode) {  in ext2_inode_drop()
1531 		uint32_t last = fs->open_inodes - 1;  in ext2_inode_drop()
1533 		fs->inode_pool[offset] = fs->inode_pool[last];  in ext2_inode_drop()
1534 		fs->open_inodes--;  in ext2_inode_drop()