289 	int (*process_func)(struct btrfs_root *log, struct extent_buffer *eb,
297 			      struct extent_buffer *eb,  in process_one_buffer()  argument
308 		ret = btrfs_read_buffer(eb, gen, level, NULL);  in process_one_buffer()
314 		ret = btrfs_pin_extent_for_log_replay(fs_info, eb->start,  in process_one_buffer()
315 						      eb->len);  in process_one_buffer()
317 	if (!ret && btrfs_buffer_uptodate(eb, gen, 0)) {  in process_one_buffer()
318 		if (wc->pin && btrfs_header_level(eb) == 0)  in process_one_buffer()
319 			ret = btrfs_exclude_logged_extents(eb);  in process_one_buffer()
321 			btrfs_write_tree_block(eb);  in process_one_buffer()
323 			btrfs_wait_tree_block_writeback(eb);  in process_one_buffer()
345 				   struct extent_buffer *eb, int slot,  in overwrite_item()  argument
360 	item_size = btrfs_item_size_nr(eb, slot);  in overwrite_item()
361 	src_ptr = btrfs_item_ptr_offset(eb, slot);  in overwrite_item()
389 		read_extent_buffer(eb, src_copy, src_ptr, item_size);  in overwrite_item()
421 			item = btrfs_item_ptr(eb, slot,  in overwrite_item()
423 			btrfs_set_inode_nbytes(eb, item, nbytes);  in overwrite_item()
430 			mode = btrfs_inode_mode(eb, item);  in overwrite_item()
432 				btrfs_set_inode_size(eb, item, 0);  in overwrite_item()
442 		item = btrfs_item_ptr(eb, slot, struct btrfs_inode_item);  in overwrite_item()
443 		btrfs_set_inode_nbytes(eb, item, 0);  in overwrite_item()
450 		mode = btrfs_inode_mode(eb, item);  in overwrite_item()
452 			btrfs_set_inode_size(eb, item, 0);  in overwrite_item()
493 		if (btrfs_inode_generation(eb, src_item) == 0) {  in overwrite_item()
495 			const u64 ino_size = btrfs_inode_size(eb, src_item);  in overwrite_item()
504 			if (S_ISREG(btrfs_inode_mode(eb, src_item)) &&  in overwrite_item()
517 		    S_ISDIR(btrfs_inode_mode(eb, src_item)) &&  in overwrite_item()
525 	copy_extent_buffer(path->nodes[0], eb, dst_ptr,  in overwrite_item()
583 				      struct extent_buffer *eb, int slot,  in replay_one_extent()  argument
596 	item = btrfs_item_ptr(eb, slot, struct btrfs_file_extent_item);  in replay_one_extent()
597 	found_type = btrfs_file_extent_type(eb, item);  in replay_one_extent()
601 		nbytes = btrfs_file_extent_num_bytes(eb, item);  in replay_one_extent()
608 		if (btrfs_file_extent_disk_bytenr(eb, item) == 0)  in replay_one_extent()
611 		size = btrfs_file_extent_ram_bytes(eb, item);  in replay_one_extent()
612 		nbytes = btrfs_file_extent_ram_bytes(eb, item);  in replay_one_extent()
646 		read_extent_buffer(eb, &cmp1, (unsigned long)item,  in replay_one_extent()
673 		if (btrfs_file_extent_disk_bytenr(eb, item) == 0 &&  in replay_one_extent()
683 		copy_extent_buffer(path->nodes[0], eb, dest_offset,  in replay_one_extent()
686 		ins.objectid = btrfs_file_extent_disk_bytenr(eb, item);  in replay_one_extent()
687 		ins.offset = btrfs_file_extent_disk_num_bytes(eb, item);  in replay_one_extent()
689 		offset = key->offset - btrfs_file_extent_offset(eb, item);  in replay_one_extent()
700 				btrfs_file_extent_disk_bytenr(eb, item),  in replay_one_extent()
701 				btrfs_file_extent_disk_num_bytes(eb, item),  in replay_one_extent()
741 			if (btrfs_file_extent_compression(eb, item)) {  in replay_one_extent()
746 					btrfs_file_extent_offset(eb, item);  in replay_one_extent()
748 					btrfs_file_extent_num_bytes(eb, item);  in replay_one_extent()
827 		ret = overwrite_item(trans, root, path, eb, slot, key);  in replay_one_extent()
1176 static int extref_get_fields(struct extent_buffer *eb, unsigned long ref_ptr,  in extref_get_fields()  argument
1184 	*namelen = btrfs_inode_extref_name_len(eb, extref);  in extref_get_fields()
1189 	read_extent_buffer(eb, *name, (unsigned long)&extref->name,  in extref_get_fields()
1193 		*index = btrfs_inode_extref_index(eb, extref);  in extref_get_fields()
1195 		*parent_objectid = btrfs_inode_extref_parent(eb, extref);  in extref_get_fields()
1200 static int ref_get_fields(struct extent_buffer *eb, unsigned long ref_ptr,  in ref_get_fields()  argument
1207 	*namelen = btrfs_inode_ref_name_len(eb, ref);  in ref_get_fields()
1212 	read_extent_buffer(eb, *name, (unsigned long)(ref + 1), *namelen);  in ref_get_fields()
1215 		*index = btrfs_inode_ref_index(eb, ref);  in ref_get_fields()
1238 	struct extent_buffer *eb;  in unlink_old_inode_refs()  local
1250 	eb = path->nodes[0];  in unlink_old_inode_refs()
1251 	ref_ptr = btrfs_item_ptr_offset(eb, path->slots[0]);  in unlink_old_inode_refs()
1252 	ref_end = ref_ptr + btrfs_item_size_nr(eb, path->slots[0]);  in unlink_old_inode_refs()
1259 			ret = extref_get_fields(eb, ref_ptr, &namelen, &name,  in unlink_old_inode_refs()
1263 			ret = ref_get_fields(eb, ref_ptr, &namelen, &name,  in unlink_old_inode_refs()
1419 				  struct extent_buffer *eb, int slot,  in add_inode_ref()  argument
1436 	ref_ptr = btrfs_item_ptr_offset(eb, slot);  in add_inode_ref()
1437 	ref_end = ref_ptr + btrfs_item_size_nr(eb, slot);  in add_inode_ref()
1445 		parent_objectid = btrfs_inode_extref_parent(eb, r);  in add_inode_ref()
1472 			ret = extref_get_fields(eb, ref_ptr, &namelen, &name,  in add_inode_ref()
1485 			ret = ref_get_fields(eb, ref_ptr, &namelen, &name,  in add_inode_ref()
1570 	ret = unlink_old_inode_refs(trans, root, path, BTRFS_I(inode), eb, slot,  in add_inode_ref()
1576 	ret = overwrite_item(trans, root, path, eb, slot, key);  in add_inode_ref()
1930 				    struct extent_buffer *eb,  in replay_one_name()  argument
1950 	name_len = btrfs_dir_name_len(eb, di);  in replay_one_name()
1957 	log_type = btrfs_dir_type(eb, di);  in replay_one_name()
1958 	read_extent_buffer(eb, name, (unsigned long)(di + 1),  in replay_one_name()
1961 	btrfs_dir_item_key_to_cpu(eb, di, &log_key);  in replay_one_name()
2055 					struct extent_buffer *eb, int slot,  in replay_one_dir_item()  argument
2059 	u32 item_size = btrfs_item_size_nr(eb, slot);  in replay_one_dir_item()
2066 	ptr = btrfs_item_ptr_offset(eb, slot);  in replay_one_dir_item()
2070 		name_len = btrfs_dir_name_len(eb, di);  in replay_one_dir_item()
2071 		ret = replay_one_name(trans, root, path, eb, di, key);  in replay_one_dir_item()
2104 		if (ret == 1 && btrfs_dir_type(eb, di) != BTRFS_FT_DIR) {  in replay_one_dir_item()
2115 			btrfs_dir_item_key_to_cpu(eb, di, &di_key);  in replay_one_dir_item()
2223 	struct extent_buffer *eb;  in check_item_in_log()  local
2236 	eb = path->nodes[0];  in check_item_in_log()
2238 	item_size = btrfs_item_size_nr(eb, slot);  in check_item_in_log()
2239 	ptr = btrfs_item_ptr_offset(eb, slot);  in check_item_in_log()
2243 		name_len = btrfs_dir_name_len(eb, di);  in check_item_in_log()
2249 		read_extent_buffer(eb, name, (unsigned long)(di + 1),  in check_item_in_log()
2264 			btrfs_dir_item_key_to_cpu(eb, di, &location);  in check_item_in_log()
2534 static int replay_one_buffer(struct btrfs_root *log, struct extent_buffer *eb,  in replay_one_buffer()  argument
2544 	ret = btrfs_read_buffer(eb, gen, level, NULL);  in replay_one_buffer()
2548 	level = btrfs_header_level(eb);  in replay_one_buffer()
2557 	nritems = btrfs_header_nritems(eb);  in replay_one_buffer()
2559 		btrfs_item_key_to_cpu(eb, &key, i);  in replay_one_buffer()
2567 			inode_item = btrfs_item_ptr(eb, i,  in replay_one_buffer()
2577 			if (btrfs_inode_nlink(eb, inode_item) == 0) {  in replay_one_buffer()
2587 			mode = btrfs_inode_mode(eb, inode_item);  in replay_one_buffer()
2595 					     eb, i, &key);  in replay_one_buffer()
2642 						  eb, i, &key);  in replay_one_buffer()
2653 					     eb, i, &key);  in replay_one_buffer()
2659 					    eb, i, &key);  in replay_one_buffer()
2665 						eb, i, &key);  in replay_one_buffer()
2670 						  eb, i, &key);  in replay_one_buffer()
4851 static int btrfs_check_ref_name_override(struct extent_buffer *eb,  in btrfs_check_ref_name_override()  argument
4861 	u32 item_size = btrfs_item_size_nr(eb, slot);  in btrfs_check_ref_name_override()
4863 	unsigned long ptr = btrfs_item_ptr_offset(eb, slot);  in btrfs_check_ref_name_override()
4883 			this_name_len = btrfs_inode_ref_name_len(eb, iref);  in btrfs_check_ref_name_override()
4891 			parent = btrfs_inode_extref_parent(eb, extref);  in btrfs_check_ref_name_override()
4892 			this_name_len = btrfs_inode_extref_name_len(eb, extref);  in btrfs_check_ref_name_override()
4909 		read_extent_buffer(eb, name, name_ptr, this_name_len);  in btrfs_check_ref_name_override()