282 	int (*process_func)(struct btrfs_root *log, struct extent_buffer *eb,
290 			      struct extent_buffer *eb,  in process_one_buffer()  argument
300 		ret = btrfs_read_buffer(eb, gen);  in process_one_buffer()
307 						      eb->start, eb->len);  in process_one_buffer()
309 	if (!ret && btrfs_buffer_uptodate(eb, gen, 0)) {  in process_one_buffer()
310 		if (wc->pin && btrfs_header_level(eb) == 0)  in process_one_buffer()
311 			ret = btrfs_exclude_logged_extents(log, eb);  in process_one_buffer()
313 			btrfs_write_tree_block(eb);  in process_one_buffer()
315 			btrfs_wait_tree_block_writeback(eb);  in process_one_buffer()
337 				   struct extent_buffer *eb, int slot,  in overwrite_item()  argument
352 	item_size = btrfs_item_size_nr(eb, slot);  in overwrite_item()
353 	src_ptr = btrfs_item_ptr_offset(eb, slot);  in overwrite_item()
381 		read_extent_buffer(eb, src_copy, src_ptr, item_size);  in overwrite_item()
413 			item = btrfs_item_ptr(eb, slot,  in overwrite_item()
415 			btrfs_set_inode_nbytes(eb, item, nbytes);  in overwrite_item()
422 			mode = btrfs_inode_mode(eb, item);  in overwrite_item()
424 				btrfs_set_inode_size(eb, item, 0);  in overwrite_item()
434 		item = btrfs_item_ptr(eb, slot, struct btrfs_inode_item);  in overwrite_item()
435 		btrfs_set_inode_nbytes(eb, item, 0);  in overwrite_item()
442 		mode = btrfs_inode_mode(eb, item);  in overwrite_item()
444 			btrfs_set_inode_size(eb, item, 0);  in overwrite_item()
486 		if (btrfs_inode_generation(eb, src_item) == 0) {  in overwrite_item()
488 			const u64 ino_size = btrfs_inode_size(eb, src_item);  in overwrite_item()
497 			if (S_ISREG(btrfs_inode_mode(eb, src_item)) &&  in overwrite_item()
510 		    S_ISDIR(btrfs_inode_mode(eb, src_item)) &&  in overwrite_item()
518 	copy_extent_buffer(path->nodes[0], eb, dst_ptr,  in overwrite_item()
580 				      struct extent_buffer *eb, int slot,  in replay_one_extent()  argument
592 	item = btrfs_item_ptr(eb, slot, struct btrfs_file_extent_item);  in replay_one_extent()
593 	found_type = btrfs_file_extent_type(eb, item);  in replay_one_extent()
597 		nbytes = btrfs_file_extent_num_bytes(eb, item);  in replay_one_extent()
604 		if (btrfs_file_extent_disk_bytenr(eb, item) == 0)  in replay_one_extent()
607 		size = btrfs_file_extent_inline_len(eb, slot, item);  in replay_one_extent()
608 		nbytes = btrfs_file_extent_ram_bytes(eb, item);  in replay_one_extent()
641 		read_extent_buffer(eb, &cmp1, (unsigned long)item,  in replay_one_extent()
674 		copy_extent_buffer(path->nodes[0], eb, dest_offset,  in replay_one_extent()
677 		ins.objectid = btrfs_file_extent_disk_bytenr(eb, item);  in replay_one_extent()
678 		ins.offset = btrfs_file_extent_disk_num_bytes(eb, item);  in replay_one_extent()
680 		offset = key->offset - btrfs_file_extent_offset(eb, item);  in replay_one_extent()
712 			if (btrfs_file_extent_compression(eb, item)) {  in replay_one_extent()
717 					btrfs_file_extent_offset(eb, item);  in replay_one_extent()
719 					btrfs_file_extent_num_bytes(eb, item);  in replay_one_extent()
800 		ret = overwrite_item(trans, root, path, eb, slot, key);  in replay_one_extent()
972 				  struct extent_buffer *eb,  in __add_inode_ref()  argument
1148 static int extref_get_fields(struct extent_buffer *eb, unsigned long ref_ptr,  in extref_get_fields()  argument
1156 	*namelen = btrfs_inode_extref_name_len(eb, extref);  in extref_get_fields()
1161 	read_extent_buffer(eb, *name, (unsigned long)&extref->name,  in extref_get_fields()
1164 	*index = btrfs_inode_extref_index(eb, extref);  in extref_get_fields()
1166 		*parent_objectid = btrfs_inode_extref_parent(eb, extref);  in extref_get_fields()
1171 static int ref_get_fields(struct extent_buffer *eb, unsigned long ref_ptr,  in ref_get_fields()  argument
1178 	*namelen = btrfs_inode_ref_name_len(eb, ref);  in ref_get_fields()
1183 	read_extent_buffer(eb, *name, (unsigned long)(ref + 1), *namelen);  in ref_get_fields()
1185 	*index = btrfs_inode_ref_index(eb, ref);  in ref_get_fields()
1200 				  struct extent_buffer *eb, int slot,  in add_inode_ref()  argument
1217 	ref_ptr = btrfs_item_ptr_offset(eb, slot);  in add_inode_ref()
1218 	ref_end = ref_ptr + btrfs_item_size_nr(eb, slot);  in add_inode_ref()
1226 		parent_objectid = btrfs_inode_extref_parent(eb, r);  in add_inode_ref()
1253 			ret = extref_get_fields(eb, ref_ptr, &namelen, &name,  in add_inode_ref()
1266 			ret = ref_get_fields(eb, ref_ptr, &namelen, &name,  in add_inode_ref()
1285 						      dir, inode, eb,  in add_inode_ref()
1316 	ret = overwrite_item(trans, root, path, eb, slot, key);  in add_inode_ref()
1669 				    struct extent_buffer *eb,  in replay_one_name()  argument
1689 	name_len = btrfs_dir_name_len(eb, di);  in replay_one_name()
1696 	log_type = btrfs_dir_type(eb, di);  in replay_one_name()
1697 	read_extent_buffer(eb, name, (unsigned long)(di + 1),  in replay_one_name()
1700 	btrfs_dir_item_key_to_cpu(eb, di, &log_key);  in replay_one_name()
1794 					struct extent_buffer *eb, int slot,  in replay_one_dir_item()  argument
1798 	u32 item_size = btrfs_item_size_nr(eb, slot);  in replay_one_dir_item()
1805 	ptr = btrfs_item_ptr_offset(eb, slot);  in replay_one_dir_item()
1809 		if (verify_dir_item(root, eb, di))  in replay_one_dir_item()
1811 		name_len = btrfs_dir_name_len(eb, di);  in replay_one_dir_item()
1812 		ret = replay_one_name(trans, root, path, eb, di, key);  in replay_one_dir_item()
1845 		if (ret == 1 && btrfs_dir_type(eb, di) != BTRFS_FT_DIR) {  in replay_one_dir_item()
1856 			btrfs_dir_item_key_to_cpu(eb, di, &di_key);  in replay_one_dir_item()
1965 	struct extent_buffer *eb;  in check_item_in_log()  local
1978 	eb = path->nodes[0];  in check_item_in_log()
1980 	item_size = btrfs_item_size_nr(eb, slot);  in check_item_in_log()
1981 	ptr = btrfs_item_ptr_offset(eb, slot);  in check_item_in_log()
1985 		if (verify_dir_item(root, eb, di)) {  in check_item_in_log()
1990 		name_len = btrfs_dir_name_len(eb, di);  in check_item_in_log()
1996 		read_extent_buffer(eb, name, (unsigned long)(di + 1),  in check_item_in_log()
2011 			btrfs_dir_item_key_to_cpu(eb, di, &location);  in check_item_in_log()
2279 static int replay_one_buffer(struct btrfs_root *log, struct extent_buffer *eb,  in replay_one_buffer()  argument
2290 	ret = btrfs_read_buffer(eb, gen);  in replay_one_buffer()
2294 	level = btrfs_header_level(eb);  in replay_one_buffer()
2303 	nritems = btrfs_header_nritems(eb);  in replay_one_buffer()
2305 		btrfs_item_key_to_cpu(eb, &key, i);  in replay_one_buffer()
2313 			inode_item = btrfs_item_ptr(eb, i,  in replay_one_buffer()
2319 			mode = btrfs_inode_mode(eb, inode_item);  in replay_one_buffer()
2327 					     eb, i, &key);  in replay_one_buffer()
2351 						  eb, i, &key);  in replay_one_buffer()
2362 					     eb, i, &key);  in replay_one_buffer()
2368 					    eb, i, &key);  in replay_one_buffer()
2374 						eb, i, &key);  in replay_one_buffer()
2379 						  eb, i, &key);  in replay_one_buffer()
4451 static int btrfs_check_ref_name_override(struct extent_buffer *eb,  in btrfs_check_ref_name_override()  argument
4460 	u32 item_size = btrfs_item_size_nr(eb, slot);  in btrfs_check_ref_name_override()
4462 	unsigned long ptr = btrfs_item_ptr_offset(eb, slot);  in btrfs_check_ref_name_override()
4482 			this_name_len = btrfs_inode_ref_name_len(eb, iref);  in btrfs_check_ref_name_override()
4490 			parent = btrfs_inode_extref_parent(eb, extref);  in btrfs_check_ref_name_override()
4491 			this_name_len = btrfs_inode_extref_name_len(eb, extref);  in btrfs_check_ref_name_override()
4508 		read_extent_buffer(eb, name, name_ptr, this_name_len);  in btrfs_check_ref_name_override()