289 	int (*process_func)(struct btrfs_root *log, struct extent_buffer *eb,
297 			      struct extent_buffer *eb,  in process_one_buffer()  argument
307 		ret = btrfs_read_buffer(eb, gen);  in process_one_buffer()
314 						      eb->start, eb->len);  in process_one_buffer()
316 	if (!ret && btrfs_buffer_uptodate(eb, gen, 0)) {  in process_one_buffer()
317 		if (wc->pin && btrfs_header_level(eb) == 0)  in process_one_buffer()
318 			ret = btrfs_exclude_logged_extents(log, eb);  in process_one_buffer()
320 			btrfs_write_tree_block(eb);  in process_one_buffer()
322 			btrfs_wait_tree_block_writeback(eb);  in process_one_buffer()
344 				   struct extent_buffer *eb, int slot,  in overwrite_item()  argument
359 	item_size = btrfs_item_size_nr(eb, slot);  in overwrite_item()
360 	src_ptr = btrfs_item_ptr_offset(eb, slot);  in overwrite_item()
388 		read_extent_buffer(eb, src_copy, src_ptr, item_size);  in overwrite_item()
420 			item = btrfs_item_ptr(eb, slot,  in overwrite_item()
422 			btrfs_set_inode_nbytes(eb, item, nbytes);  in overwrite_item()
429 			mode = btrfs_inode_mode(eb, item);  in overwrite_item()
431 				btrfs_set_inode_size(eb, item, 0);  in overwrite_item()
441 		item = btrfs_item_ptr(eb, slot, struct btrfs_inode_item);  in overwrite_item()
442 		btrfs_set_inode_nbytes(eb, item, 0);  in overwrite_item()
449 		mode = btrfs_inode_mode(eb, item);  in overwrite_item()
451 			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()
587 				      struct extent_buffer *eb, int slot,  in replay_one_extent()  argument
599 	item = btrfs_item_ptr(eb, slot, struct btrfs_file_extent_item);  in replay_one_extent()
600 	found_type = btrfs_file_extent_type(eb, item);  in replay_one_extent()
604 		nbytes = btrfs_file_extent_num_bytes(eb, item);  in replay_one_extent()
611 		if (btrfs_file_extent_disk_bytenr(eb, item) == 0)  in replay_one_extent()
614 		size = btrfs_file_extent_inline_len(eb, slot, item);  in replay_one_extent()
615 		nbytes = btrfs_file_extent_ram_bytes(eb, item);  in replay_one_extent()
648 		read_extent_buffer(eb, &cmp1, (unsigned long)item,  in replay_one_extent()
681 		copy_extent_buffer(path->nodes[0], eb, dest_offset,  in replay_one_extent()
684 		ins.objectid = btrfs_file_extent_disk_bytenr(eb, item);  in replay_one_extent()
685 		ins.offset = btrfs_file_extent_disk_num_bytes(eb, item);  in replay_one_extent()
687 		offset = key->offset - btrfs_file_extent_offset(eb, item);  in replay_one_extent()
719 			if (btrfs_file_extent_compression(eb, item)) {  in replay_one_extent()
724 					btrfs_file_extent_offset(eb, item);  in replay_one_extent()
726 					btrfs_file_extent_num_bytes(eb, item);  in replay_one_extent()
753 		ret = overwrite_item(trans, root, path, eb, slot, key);  in replay_one_extent()
925 				  struct extent_buffer *eb,  in __add_inode_ref()  argument
1101 static int extref_get_fields(struct extent_buffer *eb, unsigned long ref_ptr,  in extref_get_fields()  argument
1109 	*namelen = btrfs_inode_extref_name_len(eb, extref);  in extref_get_fields()
1114 	read_extent_buffer(eb, *name, (unsigned long)&extref->name,  in extref_get_fields()
1117 	*index = btrfs_inode_extref_index(eb, extref);  in extref_get_fields()
1119 		*parent_objectid = btrfs_inode_extref_parent(eb, extref);  in extref_get_fields()
1124 static int ref_get_fields(struct extent_buffer *eb, unsigned long ref_ptr,  in ref_get_fields()  argument
1131 	*namelen = btrfs_inode_ref_name_len(eb, ref);  in ref_get_fields()
1136 	read_extent_buffer(eb, *name, (unsigned long)(ref + 1), *namelen);  in ref_get_fields()
1138 	*index = btrfs_inode_ref_index(eb, ref);  in ref_get_fields()
1153 				  struct extent_buffer *eb, int slot,  in add_inode_ref()  argument
1170 	ref_ptr = btrfs_item_ptr_offset(eb, slot);  in add_inode_ref()
1171 	ref_end = ref_ptr + btrfs_item_size_nr(eb, slot);  in add_inode_ref()
1179 		parent_objectid = btrfs_inode_extref_parent(eb, r);  in add_inode_ref()
1206 			ret = extref_get_fields(eb, ref_ptr, &namelen, &name,  in add_inode_ref()
1219 			ret = ref_get_fields(eb, ref_ptr, &namelen, &name,  in add_inode_ref()
1238 						      dir, inode, eb,  in add_inode_ref()
1269 	ret = overwrite_item(trans, root, path, eb, slot, key);  in add_inode_ref()
1620 				    struct extent_buffer *eb,  in replay_one_name()  argument
1639 	name_len = btrfs_dir_name_len(eb, di);  in replay_one_name()
1646 	log_type = btrfs_dir_type(eb, di);  in replay_one_name()
1647 	read_extent_buffer(eb, name, (unsigned long)(di + 1),  in replay_one_name()
1650 	btrfs_dir_item_key_to_cpu(eb, di, &log_key);  in replay_one_name()
1740 					struct extent_buffer *eb, int slot,  in replay_one_dir_item()  argument
1744 	u32 item_size = btrfs_item_size_nr(eb, slot);  in replay_one_dir_item()
1750 	ptr = btrfs_item_ptr_offset(eb, slot);  in replay_one_dir_item()
1754 		if (verify_dir_item(root, eb, di))  in replay_one_dir_item()
1756 		name_len = btrfs_dir_name_len(eb, di);  in replay_one_dir_item()
1757 		ret = replay_one_name(trans, root, path, eb, di, key);  in replay_one_dir_item()
1863 	struct extent_buffer *eb;  in check_item_in_log()  local
1876 	eb = path->nodes[0];  in check_item_in_log()
1878 	item_size = btrfs_item_size_nr(eb, slot);  in check_item_in_log()
1879 	ptr = btrfs_item_ptr_offset(eb, slot);  in check_item_in_log()
1883 		if (verify_dir_item(root, eb, di)) {  in check_item_in_log()
1888 		name_len = btrfs_dir_name_len(eb, di);  in check_item_in_log()
1894 		read_extent_buffer(eb, name, (unsigned long)(di + 1),  in check_item_in_log()
1909 			btrfs_dir_item_key_to_cpu(eb, di, &location);  in check_item_in_log()
2177 static int replay_one_buffer(struct btrfs_root *log, struct extent_buffer *eb,  in replay_one_buffer()  argument
2188 	ret = btrfs_read_buffer(eb, gen);  in replay_one_buffer()
2192 	level = btrfs_header_level(eb);  in replay_one_buffer()
2201 	nritems = btrfs_header_nritems(eb);  in replay_one_buffer()
2203 		btrfs_item_key_to_cpu(eb, &key, i);  in replay_one_buffer()
2211 			inode_item = btrfs_item_ptr(eb, i,  in replay_one_buffer()
2217 			mode = btrfs_inode_mode(eb, inode_item);  in replay_one_buffer()
2225 					     eb, i, &key);  in replay_one_buffer()
2249 						  eb, i, &key);  in replay_one_buffer()
2260 					     eb, i, &key);  in replay_one_buffer()
2266 					    eb, i, &key);  in replay_one_buffer()
2272 						eb, i, &key);  in replay_one_buffer()
2277 						  eb, i, &key);  in replay_one_buffer()
4349 static int btrfs_check_ref_name_override(struct extent_buffer *eb,  in btrfs_check_ref_name_override()  argument
4358 	u32 item_size = btrfs_item_size_nr(eb, slot);  in btrfs_check_ref_name_override()
4360 	unsigned long ptr = btrfs_item_ptr_offset(eb, slot);  in btrfs_check_ref_name_override()
4380 			this_name_len = btrfs_inode_ref_name_len(eb, iref);  in btrfs_check_ref_name_override()
4388 			parent = btrfs_inode_extref_parent(eb, extref);  in btrfs_check_ref_name_override()
4389 			this_name_len = btrfs_inode_extref_name_len(eb, extref);  in btrfs_check_ref_name_override()
4406 		read_extent_buffer(eb, name, name_ptr, this_name_len);  in btrfs_check_ref_name_override()