173 	struct extent_buffer *leaf;  in insert_inline_extent()  local
205 	leaf = path->nodes[0];  in insert_inline_extent()
206 	ei = btrfs_item_ptr(leaf, path->slots[0],  in insert_inline_extent()
208 	btrfs_set_file_extent_generation(leaf, ei, trans->transid);  in insert_inline_extent()
209 	btrfs_set_file_extent_type(leaf, ei, BTRFS_FILE_EXTENT_INLINE);  in insert_inline_extent()
210 	btrfs_set_file_extent_encryption(leaf, ei, 0);  in insert_inline_extent()
211 	btrfs_set_file_extent_other_encoding(leaf, ei, 0);  in insert_inline_extent()
212 	btrfs_set_file_extent_ram_bytes(leaf, ei, size);  in insert_inline_extent()
224 			write_extent_buffer(leaf, kaddr, ptr, cur_size);  in insert_inline_extent()
231 		btrfs_set_file_extent_compression(leaf, ei,  in insert_inline_extent()
236 		btrfs_set_file_extent_compression(leaf, ei, 0);  in insert_inline_extent()
239 		write_extent_buffer(leaf, kaddr + offset, ptr, size);  in insert_inline_extent()
243 	btrfs_mark_buffer_dirty(leaf);  in insert_inline_extent()
1350 		struct extent_buffer *leaf;  in run_delalloc_nocow()  local
1371 			leaf = path->nodes[0];  in run_delalloc_nocow()
1372 			btrfs_item_key_to_cpu(leaf, &found_key,  in run_delalloc_nocow()
1381 		leaf = path->nodes[0];  in run_delalloc_nocow()
1382 		if (path->slots[0] >= btrfs_header_nritems(leaf)) {  in run_delalloc_nocow()
1391 			leaf = path->nodes[0];  in run_delalloc_nocow()
1394 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in run_delalloc_nocow()
1428 		fi = btrfs_item_ptr(leaf, path->slots[0],  in run_delalloc_nocow()
1430 		extent_type = btrfs_file_extent_type(leaf, fi);  in run_delalloc_nocow()
1432 		ram_bytes = btrfs_file_extent_ram_bytes(leaf, fi);  in run_delalloc_nocow()
1435 			disk_bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);  in run_delalloc_nocow()
1436 			extent_offset = btrfs_file_extent_offset(leaf, fi);  in run_delalloc_nocow()
1438 				btrfs_file_extent_num_bytes(leaf, fi);  in run_delalloc_nocow()
1440 				btrfs_file_extent_disk_num_bytes(leaf, fi);  in run_delalloc_nocow()
1453 			if (btrfs_file_extent_compression(leaf, fi) ||  in run_delalloc_nocow()
1454 			    btrfs_file_extent_encryption(leaf, fi) ||  in run_delalloc_nocow()
1455 			    btrfs_file_extent_other_encoding(leaf, fi))  in run_delalloc_nocow()
1465 			    btrfs_file_extent_generation(leaf, fi) <=  in run_delalloc_nocow()
2280 	struct extent_buffer *leaf;  in insert_reserved_file_extent()  local
2316 	leaf = path->nodes[0];  in insert_reserved_file_extent()
2317 	fi = btrfs_item_ptr(leaf, path->slots[0],  in insert_reserved_file_extent()
2319 	btrfs_set_file_extent_generation(leaf, fi, trans->transid);  in insert_reserved_file_extent()
2320 	btrfs_set_file_extent_type(leaf, fi, extent_type);  in insert_reserved_file_extent()
2321 	btrfs_set_file_extent_disk_bytenr(leaf, fi, disk_bytenr);  in insert_reserved_file_extent()
2322 	btrfs_set_file_extent_disk_num_bytes(leaf, fi, disk_num_bytes);  in insert_reserved_file_extent()
2323 	btrfs_set_file_extent_offset(leaf, fi, 0);  in insert_reserved_file_extent()
2324 	btrfs_set_file_extent_num_bytes(leaf, fi, num_bytes);  in insert_reserved_file_extent()
2325 	btrfs_set_file_extent_ram_bytes(leaf, fi, ram_bytes);  in insert_reserved_file_extent()
2326 	btrfs_set_file_extent_compression(leaf, fi, compression);  in insert_reserved_file_extent()
2327 	btrfs_set_file_extent_encryption(leaf, fi, encryption);  in insert_reserved_file_extent()
2328 	btrfs_set_file_extent_other_encoding(leaf, fi, other_encoding);  in insert_reserved_file_extent()
2330 	btrfs_mark_buffer_dirty(leaf);  in insert_reserved_file_extent()
2460 	struct extent_buffer *leaf;  in record_one_backref()  local
2501 		leaf = path->nodes[0];  in record_one_backref()
2504 		if (slot >= btrfs_header_nritems(leaf)) {  in record_one_backref()
2517 		btrfs_item_key_to_cpu(leaf, &key, slot);  in record_one_backref()
2525 		extent = btrfs_item_ptr(leaf, slot,  in record_one_backref()
2528 		if (btrfs_file_extent_disk_bytenr(leaf, extent) != old->bytenr)  in record_one_backref()
2539 		extent_offset = btrfs_file_extent_offset(leaf, extent);  in record_one_backref()
2540 		num_bytes = btrfs_file_extent_num_bytes(leaf, extent);  in record_one_backref()
2560 	backref->generation = btrfs_file_extent_generation(leaf, extent);  in record_one_backref()
2600 static int relink_is_mergable(struct extent_buffer *leaf,  in relink_is_mergable()  argument
2604 	if (btrfs_file_extent_disk_bytenr(leaf, fi) != new->bytenr)  in relink_is_mergable()
2607 	if (btrfs_file_extent_type(leaf, fi) != BTRFS_FILE_EXTENT_REG)  in relink_is_mergable()
2610 	if (btrfs_file_extent_compression(leaf, fi) != new->compress_type)  in relink_is_mergable()
2613 	if (btrfs_file_extent_encryption(leaf, fi) ||  in relink_is_mergable()
2614 	    btrfs_file_extent_other_encoding(leaf, fi))  in relink_is_mergable()
2634 	struct extent_buffer *leaf;  in relink_extent_backref()  local
2754 		leaf = path->nodes[0];  in relink_extent_backref()
2755 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in relink_extent_backref()
2757 		fi = btrfs_item_ptr(leaf, path->slots[0],  in relink_extent_backref()
2759 		extent_len = btrfs_file_extent_num_bytes(leaf, fi);  in relink_extent_backref()
2762 		    relink_is_mergable(leaf, fi, new)) {  in relink_extent_backref()
2763 			btrfs_set_file_extent_num_bytes(leaf, fi,  in relink_extent_backref()
2765 			btrfs_mark_buffer_dirty(leaf);  in relink_extent_backref()
2784 	leaf = path->nodes[0];  in relink_extent_backref()
2785 	item = btrfs_item_ptr(leaf, path->slots[0],  in relink_extent_backref()
2787 	btrfs_set_file_extent_disk_bytenr(leaf, item, new->bytenr);  in relink_extent_backref()
2788 	btrfs_set_file_extent_disk_num_bytes(leaf, item, new->disk_len);  in relink_extent_backref()
2789 	btrfs_set_file_extent_offset(leaf, item, start - new->file_pos);  in relink_extent_backref()
2790 	btrfs_set_file_extent_num_bytes(leaf, item, len);  in relink_extent_backref()
2791 	btrfs_set_file_extent_ram_bytes(leaf, item, new->len);  in relink_extent_backref()
2792 	btrfs_set_file_extent_generation(leaf, item, trans->transid);  in relink_extent_backref()
2793 	btrfs_set_file_extent_type(leaf, item, BTRFS_FILE_EXTENT_REG);  in relink_extent_backref()
2794 	btrfs_set_file_extent_compression(leaf, item, new->compress_type);  in relink_extent_backref()
2795 	btrfs_set_file_extent_encryption(leaf, item, 0);  in relink_extent_backref()
2796 	btrfs_set_file_extent_other_encoding(leaf, item, 0);  in relink_extent_backref()
2798 	btrfs_mark_buffer_dirty(leaf);  in relink_extent_backref()
3465 	struct extent_buffer *leaf;  in btrfs_orphan_cleanup()  local
3504 		leaf = path->nodes[0];  in btrfs_orphan_cleanup()
3505 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_orphan_cleanup()
3642 static noinline int acls_after_inode_item(struct extent_buffer *leaf,  in acls_after_inode_item()  argument
3646 	u32 nritems = btrfs_header_nritems(leaf);  in acls_after_inode_item()
3662 		btrfs_item_key_to_cpu(leaf, &found_key, slot);  in acls_after_inode_item()
3713 	struct extent_buffer *leaf;  in btrfs_read_locked_inode()  local
3743 	leaf = path->nodes[0];  in btrfs_read_locked_inode()
3748 	inode_item = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_read_locked_inode()
3750 	inode->i_mode = btrfs_inode_mode(leaf, inode_item);  in btrfs_read_locked_inode()
3751 	set_nlink(inode, btrfs_inode_nlink(leaf, inode_item));  in btrfs_read_locked_inode()
3752 	i_uid_write(inode, btrfs_inode_uid(leaf, inode_item));  in btrfs_read_locked_inode()
3753 	i_gid_write(inode, btrfs_inode_gid(leaf, inode_item));  in btrfs_read_locked_inode()
3754 	btrfs_i_size_write(BTRFS_I(inode), btrfs_inode_size(leaf, inode_item));  in btrfs_read_locked_inode()
3756 	inode->i_atime.tv_sec = btrfs_timespec_sec(leaf, &inode_item->atime);  in btrfs_read_locked_inode()
3757 	inode->i_atime.tv_nsec = btrfs_timespec_nsec(leaf, &inode_item->atime);  in btrfs_read_locked_inode()
3759 	inode->i_mtime.tv_sec = btrfs_timespec_sec(leaf, &inode_item->mtime);  in btrfs_read_locked_inode()
3760 	inode->i_mtime.tv_nsec = btrfs_timespec_nsec(leaf, &inode_item->mtime);  in btrfs_read_locked_inode()
3762 	inode->i_ctime.tv_sec = btrfs_timespec_sec(leaf, &inode_item->ctime);  in btrfs_read_locked_inode()
3763 	inode->i_ctime.tv_nsec = btrfs_timespec_nsec(leaf, &inode_item->ctime);  in btrfs_read_locked_inode()
3766 		btrfs_timespec_sec(leaf, &inode_item->otime);  in btrfs_read_locked_inode()
3768 		btrfs_timespec_nsec(leaf, &inode_item->otime);  in btrfs_read_locked_inode()
3770 	inode_set_bytes(inode, btrfs_inode_nbytes(leaf, inode_item));  in btrfs_read_locked_inode()
3771 	BTRFS_I(inode)->generation = btrfs_inode_generation(leaf, inode_item);  in btrfs_read_locked_inode()
3772 	BTRFS_I(inode)->last_trans = btrfs_inode_transid(leaf, inode_item);  in btrfs_read_locked_inode()
3775 				   btrfs_inode_sequence(leaf, inode_item));  in btrfs_read_locked_inode()
3778 	rdev = btrfs_inode_rdev(leaf, inode_item);  in btrfs_read_locked_inode()
3781 	BTRFS_I(inode)->flags = btrfs_inode_flags(leaf, inode_item);  in btrfs_read_locked_inode()
3828 	    path->slots[0] >= btrfs_header_nritems(leaf))  in btrfs_read_locked_inode()
3831 	btrfs_item_key_to_cpu(leaf, &location, path->slots[0]);  in btrfs_read_locked_inode()
3835 	ptr = btrfs_item_ptr_offset(leaf, path->slots[0]);  in btrfs_read_locked_inode()
3840 		BTRFS_I(inode)->dir_index = btrfs_inode_ref_index(leaf, ref);  in btrfs_read_locked_inode()
3845 		BTRFS_I(inode)->dir_index = btrfs_inode_extref_index(leaf,  in btrfs_read_locked_inode()
3853 	maybe_acls = acls_after_inode_item(leaf, path->slots[0],  in btrfs_read_locked_inode()
3900 			    struct extent_buffer *leaf,  in fill_inode_item()  argument
3906 	btrfs_init_map_token(&token, leaf);  in fill_inode_item()
3908 	btrfs_set_token_inode_uid(leaf, item, i_uid_read(inode), &token);  in fill_inode_item()
3909 	btrfs_set_token_inode_gid(leaf, item, i_gid_read(inode), &token);  in fill_inode_item()
3910 	btrfs_set_token_inode_size(leaf, item, BTRFS_I(inode)->disk_i_size,  in fill_inode_item()
3912 	btrfs_set_token_inode_mode(leaf, item, inode->i_mode, &token);  in fill_inode_item()
3913 	btrfs_set_token_inode_nlink(leaf, item, inode->i_nlink, &token);  in fill_inode_item()
3915 	btrfs_set_token_timespec_sec(leaf, &item->atime,  in fill_inode_item()
3917 	btrfs_set_token_timespec_nsec(leaf, &item->atime,  in fill_inode_item()
3920 	btrfs_set_token_timespec_sec(leaf, &item->mtime,  in fill_inode_item()
3922 	btrfs_set_token_timespec_nsec(leaf, &item->mtime,  in fill_inode_item()
3925 	btrfs_set_token_timespec_sec(leaf, &item->ctime,  in fill_inode_item()
3927 	btrfs_set_token_timespec_nsec(leaf, &item->ctime,  in fill_inode_item()
3930 	btrfs_set_token_timespec_sec(leaf, &item->otime,  in fill_inode_item()
3932 	btrfs_set_token_timespec_nsec(leaf, &item->otime,  in fill_inode_item()
3935 	btrfs_set_token_inode_nbytes(leaf, item, inode_get_bytes(inode),  in fill_inode_item()
3937 	btrfs_set_token_inode_generation(leaf, item, BTRFS_I(inode)->generation,  in fill_inode_item()
3939 	btrfs_set_token_inode_sequence(leaf, item, inode_peek_iversion(inode),  in fill_inode_item()
3941 	btrfs_set_token_inode_transid(leaf, item, trans->transid, &token);  in fill_inode_item()
3942 	btrfs_set_token_inode_rdev(leaf, item, inode->i_rdev, &token);  in fill_inode_item()
3943 	btrfs_set_token_inode_flags(leaf, item, BTRFS_I(inode)->flags, &token);  in fill_inode_item()
3944 	btrfs_set_token_inode_block_group(leaf, item, 0, &token);  in fill_inode_item()
3955 	struct extent_buffer *leaf;  in btrfs_update_inode_item()  local
3971 	leaf = path->nodes[0];  in btrfs_update_inode_item()
3972 	inode_item = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_update_inode_item()
3975 	fill_inode_item(trans, leaf, inode_item, inode);  in btrfs_update_inode_item()
3976 	btrfs_mark_buffer_dirty(leaf);  in btrfs_update_inode_item()
4210 	struct extent_buffer *leaf;  in btrfs_unlink_subvol()  local
4228 	leaf = path->nodes[0];  in btrfs_unlink_subvol()
4229 	btrfs_dir_item_key_to_cpu(leaf, di, &key);  in btrfs_unlink_subvol()
4256 		leaf = path->nodes[0];  in btrfs_unlink_subvol()
4257 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in btrfs_unlink_subvol()
4614 	struct extent_buffer *leaf;  in btrfs_truncate_inode_items()  local
4703 		leaf = path->nodes[0];  in btrfs_truncate_inode_items()
4704 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_truncate_inode_items()
4715 			fi = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_truncate_inode_items()
4717 			extent_type = btrfs_file_extent_type(leaf, fi);  in btrfs_truncate_inode_items()
4720 				    btrfs_file_extent_num_bytes(leaf, fi);  in btrfs_truncate_inode_items()
4723 					BTRFS_I(inode), leaf, fi,  in btrfs_truncate_inode_items()
4726 				item_end += btrfs_file_extent_ram_bytes(leaf,  in btrfs_truncate_inode_items()
4730 					BTRFS_I(inode), leaf, fi, path->slots[0],  in btrfs_truncate_inode_items()
4752 			extent_start = btrfs_file_extent_disk_bytenr(leaf, fi);  in btrfs_truncate_inode_items()
4755 					btrfs_file_extent_num_bytes(leaf, fi);  in btrfs_truncate_inode_items()
4759 				btrfs_set_file_extent_num_bytes(leaf, fi,  in btrfs_truncate_inode_items()
4767 				btrfs_mark_buffer_dirty(leaf);  in btrfs_truncate_inode_items()
4770 					btrfs_file_extent_disk_num_bytes(leaf,  in btrfs_truncate_inode_items()
4773 					btrfs_file_extent_offset(leaf, fi);  in btrfs_truncate_inode_items()
4776 				num_dec = btrfs_file_extent_num_bytes(leaf, fi);  in btrfs_truncate_inode_items()
4790 			    btrfs_file_extent_encryption(leaf, fi) == 0 &&  in btrfs_truncate_inode_items()
4791 			    btrfs_file_extent_other_encoding(leaf, fi) == 0 &&  in btrfs_truncate_inode_items()
4792 			    btrfs_file_extent_compression(leaf, fi) == 0) {  in btrfs_truncate_inode_items()
4795 				btrfs_set_file_extent_ram_bytes(leaf, fi, size);  in btrfs_truncate_inode_items()
4844 			btrfs_init_data_ref(&ref, btrfs_header_owner(leaf),  in btrfs_truncate_inode_items()
5605 	struct extent_buffer *leaf;  in fixup_tree_root_location()  local
5628 	leaf = path->nodes[0];  in fixup_tree_root_location()
5629 	ref = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_root_ref);  in fixup_tree_root_location()
5630 	if (btrfs_root_ref_dirid(leaf, ref) != btrfs_ino(BTRFS_I(dir)) ||  in fixup_tree_root_location()
5631 	    btrfs_root_ref_name_len(leaf, ref) != dentry->d_name.len)  in fixup_tree_root_location()
5634 	ret = memcmp_extent_buffer(leaf, dentry->d_name.name,  in fixup_tree_root_location()
5995 	struct extent_buffer *leaf;  in btrfs_real_readdir()  local
6030 		leaf = path->nodes[0];  in btrfs_real_readdir()
6032 		if (slot >= btrfs_header_nritems(leaf)) {  in btrfs_real_readdir()
6041 		btrfs_item_key_to_cpu(leaf, &found_key, slot);  in btrfs_real_readdir()
6051 		di = btrfs_item_ptr(leaf, slot, struct btrfs_dir_item);  in btrfs_real_readdir()
6052 		name_len = btrfs_dir_name_len(leaf, di);  in btrfs_real_readdir()
6068 		read_extent_buffer(leaf, name_ptr, (unsigned long)(di + 1),  in btrfs_real_readdir()
6070 		put_unaligned(fs_ftype_to_dtype(btrfs_dir_type(leaf, di)),  in btrfs_real_readdir()
6072 		btrfs_dir_item_key_to_cpu(leaf, di, &location);  in btrfs_real_readdir()
6192 	struct extent_buffer *leaf;  in btrfs_set_inode_index_count()  local
6224 	leaf = path->nodes[0];  in btrfs_set_inode_index_count()
6225 	btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_set_inode_index_count()
6862 	struct extent_buffer *leaf = path->nodes[0];  in uncompress_inline()  local
6870 	compress_type = btrfs_file_extent_compression(leaf, item);  in uncompress_inline()
6871 	max_size = btrfs_file_extent_ram_bytes(leaf, item);  in uncompress_inline()
6872 	inline_size = btrfs_file_extent_inline_item_len(leaf,  in uncompress_inline()
6879 	read_extent_buffer(leaf, tmp, ptr, inline_size);  in uncompress_inline()
6925 	struct extent_buffer *leaf;  in btrfs_get_extent()  local
6982 	leaf = path->nodes[0];  in btrfs_get_extent()
6983 	item = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_get_extent()
6985 	btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_get_extent()
6998 	extent_type = btrfs_file_extent_type(leaf, item);  in btrfs_get_extent()
7011 		       btrfs_file_extent_num_bytes(leaf, item);  in btrfs_get_extent()
7013 		trace_btrfs_get_extent_show_fi_regular(inode, leaf, item,  in btrfs_get_extent()
7018 		size = btrfs_file_extent_ram_bytes(leaf, item);  in btrfs_get_extent()
7022 		trace_btrfs_get_extent_show_fi_inline(inode, leaf, item,  in btrfs_get_extent()
7029 		if (path->slots[0] >= btrfs_header_nritems(leaf)) {  in btrfs_get_extent()
7037 			leaf = path->nodes[0];  in btrfs_get_extent()
7039 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_get_extent()
7072 		size = btrfs_file_extent_ram_bytes(leaf, item);  in btrfs_get_extent()
7084 			if (btrfs_file_extent_compression(leaf, item) !=  in btrfs_get_extent()
7094 				read_extent_buffer(leaf, map + pg_offset, ptr,  in btrfs_get_extent()
7344 	struct extent_buffer *leaf;  in can_nocow_extent()  local
7376 	leaf = path->nodes[0];  in can_nocow_extent()
7377 	btrfs_item_key_to_cpu(leaf, &key, slot);  in can_nocow_extent()
7389 	fi = btrfs_item_ptr(leaf, slot, struct btrfs_file_extent_item);  in can_nocow_extent()
7390 	found_type = btrfs_file_extent_type(leaf, fi);  in can_nocow_extent()
7400 	extent_end = key.offset + btrfs_file_extent_num_bytes(leaf, fi);  in can_nocow_extent()
7404 	disk_bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);  in can_nocow_extent()
7408 	if (btrfs_file_extent_compression(leaf, fi) ||  in can_nocow_extent()
7409 	    btrfs_file_extent_encryption(leaf, fi) ||  in can_nocow_extent()
7410 	    btrfs_file_extent_other_encoding(leaf, fi))  in can_nocow_extent()
7417 	if (btrfs_file_extent_generation(leaf, fi) <=  in can_nocow_extent()
7421 	backref_offset = btrfs_file_extent_offset(leaf, fi);  in can_nocow_extent()
7425 		*orig_block_len = btrfs_file_extent_disk_num_bytes(leaf, fi);  in can_nocow_extent()
7426 		*ram_bytes = btrfs_file_extent_ram_bytes(leaf, fi);  in can_nocow_extent()
10270 	struct extent_buffer *leaf;  in btrfs_symlink()  local
10330 	leaf = path->nodes[0];  in btrfs_symlink()
10331 	ei = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_symlink()
10333 	btrfs_set_file_extent_generation(leaf, ei, trans->transid);  in btrfs_symlink()
10334 	btrfs_set_file_extent_type(leaf, ei,  in btrfs_symlink()
10336 	btrfs_set_file_extent_encryption(leaf, ei, 0);  in btrfs_symlink()
10337 	btrfs_set_file_extent_compression(leaf, ei, 0);  in btrfs_symlink()
10338 	btrfs_set_file_extent_other_encoding(leaf, ei, 0);  in btrfs_symlink()
10339 	btrfs_set_file_extent_ram_bytes(leaf, ei, name_len);  in btrfs_symlink()
10342 	write_extent_buffer(leaf, symname, ptr, name_len);  in btrfs_symlink()
10343 	btrfs_mark_buffer_dirty(leaf);  in btrfs_symlink()