143 	struct extent_buffer *leaf;  in insert_inline_extent()  local
175 	leaf = path->nodes[0];  in insert_inline_extent()
176 	ei = btrfs_item_ptr(leaf, path->slots[0],  in insert_inline_extent()
178 	btrfs_set_file_extent_generation(leaf, ei, trans->transid);  in insert_inline_extent()
179 	btrfs_set_file_extent_type(leaf, ei, BTRFS_FILE_EXTENT_INLINE);  in insert_inline_extent()
180 	btrfs_set_file_extent_encryption(leaf, ei, 0);  in insert_inline_extent()
181 	btrfs_set_file_extent_other_encoding(leaf, ei, 0);  in insert_inline_extent()
182 	btrfs_set_file_extent_ram_bytes(leaf, ei, size);  in insert_inline_extent()
194 			write_extent_buffer(leaf, kaddr, ptr, cur_size);  in insert_inline_extent()
201 		btrfs_set_file_extent_compression(leaf, ei,  in insert_inline_extent()
206 		btrfs_set_file_extent_compression(leaf, ei, 0);  in insert_inline_extent()
209 		write_extent_buffer(leaf, kaddr + offset, ptr, size);  in insert_inline_extent()
213 	btrfs_mark_buffer_dirty(leaf);  in insert_inline_extent()
1212 	struct extent_buffer *leaf;  in run_delalloc_nocow()  local
1273 			leaf = path->nodes[0];  in run_delalloc_nocow()
1274 			btrfs_item_key_to_cpu(leaf, &found_key,  in run_delalloc_nocow()
1282 		leaf = path->nodes[0];  in run_delalloc_nocow()
1283 		if (path->slots[0] >= btrfs_header_nritems(leaf)) {  in run_delalloc_nocow()
1289 			leaf = path->nodes[0];  in run_delalloc_nocow()
1295 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in run_delalloc_nocow()
1314 		fi = btrfs_item_ptr(leaf, path->slots[0],  in run_delalloc_nocow()
1316 		extent_type = btrfs_file_extent_type(leaf, fi);  in run_delalloc_nocow()
1318 		ram_bytes = btrfs_file_extent_ram_bytes(leaf, fi);  in run_delalloc_nocow()
1321 			disk_bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);  in run_delalloc_nocow()
1322 			extent_offset = btrfs_file_extent_offset(leaf, fi);  in run_delalloc_nocow()
1324 				btrfs_file_extent_num_bytes(leaf, fi);  in run_delalloc_nocow()
1326 				btrfs_file_extent_disk_num_bytes(leaf, fi);  in run_delalloc_nocow()
1333 			if (btrfs_file_extent_compression(leaf, fi) ||  in run_delalloc_nocow()
1334 			    btrfs_file_extent_encryption(leaf, fi) ||  in run_delalloc_nocow()
1335 			    btrfs_file_extent_other_encoding(leaf, fi))  in run_delalloc_nocow()
1367 				btrfs_file_extent_inline_len(leaf,  in run_delalloc_nocow()
2061 	struct extent_buffer *leaf;  in insert_reserved_file_extent()  local
2096 	leaf = path->nodes[0];  in insert_reserved_file_extent()
2097 	fi = btrfs_item_ptr(leaf, path->slots[0],  in insert_reserved_file_extent()
2099 	btrfs_set_file_extent_generation(leaf, fi, trans->transid);  in insert_reserved_file_extent()
2100 	btrfs_set_file_extent_type(leaf, fi, extent_type);  in insert_reserved_file_extent()
2101 	btrfs_set_file_extent_disk_bytenr(leaf, fi, disk_bytenr);  in insert_reserved_file_extent()
2102 	btrfs_set_file_extent_disk_num_bytes(leaf, fi, disk_num_bytes);  in insert_reserved_file_extent()
2103 	btrfs_set_file_extent_offset(leaf, fi, 0);  in insert_reserved_file_extent()
2104 	btrfs_set_file_extent_num_bytes(leaf, fi, num_bytes);  in insert_reserved_file_extent()
2105 	btrfs_set_file_extent_ram_bytes(leaf, fi, ram_bytes);  in insert_reserved_file_extent()
2106 	btrfs_set_file_extent_compression(leaf, fi, compression);  in insert_reserved_file_extent()
2107 	btrfs_set_file_extent_encryption(leaf, fi, encryption);  in insert_reserved_file_extent()
2108 	btrfs_set_file_extent_other_encoding(leaf, fi, other_encoding);  in insert_reserved_file_extent()
2110 	btrfs_mark_buffer_dirty(leaf);  in insert_reserved_file_extent()
2232 	struct extent_buffer *leaf;  in record_one_backref()  local
2273 		leaf = path->nodes[0];  in record_one_backref()
2276 		if (slot >= btrfs_header_nritems(leaf)) {  in record_one_backref()
2289 		btrfs_item_key_to_cpu(leaf, &key, slot);  in record_one_backref()
2297 		extent = btrfs_item_ptr(leaf, slot,  in record_one_backref()
2300 		if (btrfs_file_extent_disk_bytenr(leaf, extent) != old->bytenr)  in record_one_backref()
2311 		extent_offset = btrfs_file_extent_offset(leaf, extent);  in record_one_backref()
2312 		num_bytes = btrfs_file_extent_num_bytes(leaf, extent);  in record_one_backref()
2332 	backref->generation = btrfs_file_extent_generation(leaf, extent);  in record_one_backref()
2372 static int relink_is_mergable(struct extent_buffer *leaf,  in relink_is_mergable()  argument
2376 	if (btrfs_file_extent_disk_bytenr(leaf, fi) != new->bytenr)  in relink_is_mergable()
2379 	if (btrfs_file_extent_type(leaf, fi) != BTRFS_FILE_EXTENT_REG)  in relink_is_mergable()
2382 	if (btrfs_file_extent_compression(leaf, fi) != new->compress_type)  in relink_is_mergable()
2385 	if (btrfs_file_extent_encryption(leaf, fi) ||  in relink_is_mergable()
2386 	    btrfs_file_extent_other_encoding(leaf, fi))  in relink_is_mergable()
2406 	struct extent_buffer *leaf;  in relink_extent_backref()  local
2527 		leaf = path->nodes[0];  in relink_extent_backref()
2528 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in relink_extent_backref()
2530 		fi = btrfs_item_ptr(leaf, path->slots[0],  in relink_extent_backref()
2532 		extent_len = btrfs_file_extent_num_bytes(leaf, fi);  in relink_extent_backref()
2535 		    relink_is_mergable(leaf, fi, new)) {  in relink_extent_backref()
2536 			btrfs_set_file_extent_num_bytes(leaf, fi,  in relink_extent_backref()
2538 			btrfs_mark_buffer_dirty(leaf);  in relink_extent_backref()
2557 	leaf = path->nodes[0];  in relink_extent_backref()
2558 	item = btrfs_item_ptr(leaf, path->slots[0],  in relink_extent_backref()
2560 	btrfs_set_file_extent_disk_bytenr(leaf, item, new->bytenr);  in relink_extent_backref()
2561 	btrfs_set_file_extent_disk_num_bytes(leaf, item, new->disk_len);  in relink_extent_backref()
2562 	btrfs_set_file_extent_offset(leaf, item, start - new->file_pos);  in relink_extent_backref()
2563 	btrfs_set_file_extent_num_bytes(leaf, item, len);  in relink_extent_backref()
2564 	btrfs_set_file_extent_ram_bytes(leaf, item, new->len);  in relink_extent_backref()
2565 	btrfs_set_file_extent_generation(leaf, item, trans->transid);  in relink_extent_backref()
2566 	btrfs_set_file_extent_type(leaf, item, BTRFS_FILE_EXTENT_REG);  in relink_extent_backref()
2567 	btrfs_set_file_extent_compression(leaf, item, new->compress_type);  in relink_extent_backref()
2568 	btrfs_set_file_extent_encryption(leaf, item, 0);  in relink_extent_backref()
2569 	btrfs_set_file_extent_other_encoding(leaf, item, 0);  in relink_extent_backref()
2571 	btrfs_mark_buffer_dirty(leaf);  in relink_extent_backref()
3303 	struct extent_buffer *leaf;  in btrfs_orphan_cleanup()  local
3342 		leaf = path->nodes[0];  in btrfs_orphan_cleanup()
3343 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_orphan_cleanup()
3506 static noinline int acls_after_inode_item(struct extent_buffer *leaf,  in acls_after_inode_item()  argument
3510 	u32 nritems = btrfs_header_nritems(leaf);  in acls_after_inode_item()
3526 		btrfs_item_key_to_cpu(leaf, &found_key, slot);  in acls_after_inode_item()
3575 	struct extent_buffer *leaf;  in btrfs_read_locked_inode()  local
3600 	leaf = path->nodes[0];  in btrfs_read_locked_inode()
3605 	inode_item = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_read_locked_inode()
3607 	inode->i_mode = btrfs_inode_mode(leaf, inode_item);  in btrfs_read_locked_inode()
3608 	set_nlink(inode, btrfs_inode_nlink(leaf, inode_item));  in btrfs_read_locked_inode()
3609 	i_uid_write(inode, btrfs_inode_uid(leaf, inode_item));  in btrfs_read_locked_inode()
3610 	i_gid_write(inode, btrfs_inode_gid(leaf, inode_item));  in btrfs_read_locked_inode()
3611 	btrfs_i_size_write(inode, btrfs_inode_size(leaf, inode_item));  in btrfs_read_locked_inode()
3613 	inode->i_atime.tv_sec = btrfs_timespec_sec(leaf, &inode_item->atime);  in btrfs_read_locked_inode()
3614 	inode->i_atime.tv_nsec = btrfs_timespec_nsec(leaf, &inode_item->atime);  in btrfs_read_locked_inode()
3616 	inode->i_mtime.tv_sec = btrfs_timespec_sec(leaf, &inode_item->mtime);  in btrfs_read_locked_inode()
3617 	inode->i_mtime.tv_nsec = btrfs_timespec_nsec(leaf, &inode_item->mtime);  in btrfs_read_locked_inode()
3619 	inode->i_ctime.tv_sec = btrfs_timespec_sec(leaf, &inode_item->ctime);  in btrfs_read_locked_inode()
3620 	inode->i_ctime.tv_nsec = btrfs_timespec_nsec(leaf, &inode_item->ctime);  in btrfs_read_locked_inode()
3623 		btrfs_timespec_sec(leaf, &inode_item->otime);  in btrfs_read_locked_inode()
3625 		btrfs_timespec_nsec(leaf, &inode_item->otime);  in btrfs_read_locked_inode()
3627 	inode_set_bytes(inode, btrfs_inode_nbytes(leaf, inode_item));  in btrfs_read_locked_inode()
3628 	BTRFS_I(inode)->generation = btrfs_inode_generation(leaf, inode_item);  in btrfs_read_locked_inode()
3629 	BTRFS_I(inode)->last_trans = btrfs_inode_transid(leaf, inode_item);  in btrfs_read_locked_inode()
3631 	inode->i_version = btrfs_inode_sequence(leaf, inode_item);  in btrfs_read_locked_inode()
3634 	rdev = btrfs_inode_rdev(leaf, inode_item);  in btrfs_read_locked_inode()
3637 	BTRFS_I(inode)->flags = btrfs_inode_flags(leaf, inode_item);  in btrfs_read_locked_inode()
3655 	    path->slots[0] >= btrfs_header_nritems(leaf))  in btrfs_read_locked_inode()
3658 	btrfs_item_key_to_cpu(leaf, &location, path->slots[0]);  in btrfs_read_locked_inode()
3662 	ptr = btrfs_item_ptr_offset(leaf, path->slots[0]);  in btrfs_read_locked_inode()
3667 		BTRFS_I(inode)->dir_index = btrfs_inode_ref_index(leaf, ref);  in btrfs_read_locked_inode()
3672 		BTRFS_I(inode)->dir_index = btrfs_inode_extref_index(leaf,  in btrfs_read_locked_inode()
3680 	maybe_acls = acls_after_inode_item(leaf, path->slots[0],  in btrfs_read_locked_inode()
3732 			    struct extent_buffer *leaf,  in fill_inode_item()  argument
3740 	btrfs_set_token_inode_uid(leaf, item, i_uid_read(inode), &token);  in fill_inode_item()
3741 	btrfs_set_token_inode_gid(leaf, item, i_gid_read(inode), &token);  in fill_inode_item()
3742 	btrfs_set_token_inode_size(leaf, item, BTRFS_I(inode)->disk_i_size,  in fill_inode_item()
3744 	btrfs_set_token_inode_mode(leaf, item, inode->i_mode, &token);  in fill_inode_item()
3745 	btrfs_set_token_inode_nlink(leaf, item, inode->i_nlink, &token);  in fill_inode_item()
3747 	btrfs_set_token_timespec_sec(leaf, &item->atime,  in fill_inode_item()
3749 	btrfs_set_token_timespec_nsec(leaf, &item->atime,  in fill_inode_item()
3752 	btrfs_set_token_timespec_sec(leaf, &item->mtime,  in fill_inode_item()
3754 	btrfs_set_token_timespec_nsec(leaf, &item->mtime,  in fill_inode_item()
3757 	btrfs_set_token_timespec_sec(leaf, &item->ctime,  in fill_inode_item()
3759 	btrfs_set_token_timespec_nsec(leaf, &item->ctime,  in fill_inode_item()
3762 	btrfs_set_token_timespec_sec(leaf, &item->otime,  in fill_inode_item()
3764 	btrfs_set_token_timespec_nsec(leaf, &item->otime,  in fill_inode_item()
3767 	btrfs_set_token_inode_nbytes(leaf, item, inode_get_bytes(inode),  in fill_inode_item()
3769 	btrfs_set_token_inode_generation(leaf, item, BTRFS_I(inode)->generation,  in fill_inode_item()
3771 	btrfs_set_token_inode_sequence(leaf, item, inode->i_version, &token);  in fill_inode_item()
3772 	btrfs_set_token_inode_transid(leaf, item, trans->transid, &token);  in fill_inode_item()
3773 	btrfs_set_token_inode_rdev(leaf, item, inode->i_rdev, &token);  in fill_inode_item()
3774 	btrfs_set_token_inode_flags(leaf, item, BTRFS_I(inode)->flags, &token);  in fill_inode_item()
3775 	btrfs_set_token_inode_block_group(leaf, item, 0, &token);  in fill_inode_item()
3786 	struct extent_buffer *leaf;  in btrfs_update_inode_item()  local
3802 	leaf = path->nodes[0];  in btrfs_update_inode_item()
3803 	inode_item = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_update_inode_item()
3806 	fill_inode_item(trans, leaf, inode_item, inode);  in btrfs_update_inode_item()
3807 	btrfs_mark_buffer_dirty(leaf);  in btrfs_update_inode_item()
3868 	struct extent_buffer *leaf;  in __btrfs_unlink_inode()  local
3892 	leaf = path->nodes[0];  in __btrfs_unlink_inode()
3893 	btrfs_dir_item_key_to_cpu(leaf, di, &key);  in __btrfs_unlink_inode()
4054 	struct extent_buffer *leaf;  in btrfs_unlink_subvol()  local
4075 	leaf = path->nodes[0];  in btrfs_unlink_subvol()
4076 	btrfs_dir_item_key_to_cpu(leaf, di, &key);  in btrfs_unlink_subvol()
4104 		leaf = path->nodes[0];  in btrfs_unlink_subvol()
4105 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in btrfs_unlink_subvol()
4189 	struct extent_buffer *leaf = path->nodes[0];  in truncate_inline_extent()  local
4195 	fi = btrfs_item_ptr(leaf, slot, struct btrfs_file_extent_item);  in truncate_inline_extent()
4197 	if (btrfs_file_extent_compression(leaf, fi) != BTRFS_COMPRESS_NONE) {  in truncate_inline_extent()
4214 	btrfs_set_file_extent_ram_bytes(leaf, fi, size);  in truncate_inline_extent()
4241 	struct extent_buffer *leaf;  in btrfs_truncate_inode_items()  local
4334 		leaf = path->nodes[0];  in btrfs_truncate_inode_items()
4335 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_truncate_inode_items()
4346 			fi = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_truncate_inode_items()
4348 			extent_type = btrfs_file_extent_type(leaf, fi);  in btrfs_truncate_inode_items()
4351 				    btrfs_file_extent_num_bytes(leaf, fi);  in btrfs_truncate_inode_items()
4353 				item_end += btrfs_file_extent_inline_len(leaf,  in btrfs_truncate_inode_items()
4380 			extent_start = btrfs_file_extent_disk_bytenr(leaf, fi);  in btrfs_truncate_inode_items()
4383 					btrfs_file_extent_num_bytes(leaf, fi);  in btrfs_truncate_inode_items()
4387 				btrfs_set_file_extent_num_bytes(leaf, fi,  in btrfs_truncate_inode_items()
4395 				btrfs_mark_buffer_dirty(leaf);  in btrfs_truncate_inode_items()
4398 					btrfs_file_extent_disk_num_bytes(leaf,  in btrfs_truncate_inode_items()
4401 					btrfs_file_extent_offset(leaf, fi);  in btrfs_truncate_inode_items()
4404 				num_dec = btrfs_file_extent_num_bytes(leaf, fi);  in btrfs_truncate_inode_items()
4418 			    btrfs_file_extent_encryption(leaf, fi) == 0 &&  in btrfs_truncate_inode_items()
4419 			    btrfs_file_extent_other_encoding(leaf, fi) == 0) {  in btrfs_truncate_inode_items()
4426 				if (btrfs_file_extent_compression(leaf, fi) !=  in btrfs_truncate_inode_items()
4480 						btrfs_header_owner(leaf),  in btrfs_truncate_inode_items()
5284 	struct extent_buffer *leaf;  in fixup_tree_root_location()  local
5308 	leaf = path->nodes[0];  in fixup_tree_root_location()
5309 	ref = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_root_ref);  in fixup_tree_root_location()
5310 	if (btrfs_root_ref_dirid(leaf, ref) != btrfs_ino(dir) ||  in fixup_tree_root_location()
5311 	    btrfs_root_ref_name_len(leaf, ref) != dentry->d_name.len)  in fixup_tree_root_location()
5314 	ret = memcmp_extent_buffer(leaf, dentry->d_name.name,  in fixup_tree_root_location()
5657 	struct extent_buffer *leaf;  in btrfs_real_readdir()  local
5700 		leaf = path->nodes[0];  in btrfs_real_readdir()
5702 		if (slot >= btrfs_header_nritems(leaf)) {  in btrfs_real_readdir()
5712 		btrfs_item_key_to_cpu(leaf, &found_key, slot);  in btrfs_real_readdir()
5728 		di = btrfs_item_ptr(leaf, slot, struct btrfs_dir_item);  in btrfs_real_readdir()
5730 		di_total = btrfs_item_size(leaf, item);  in btrfs_real_readdir()
5735 			if (verify_dir_item(root, leaf, di))  in btrfs_real_readdir()
5738 			name_len = btrfs_dir_name_len(leaf, di);  in btrfs_real_readdir()
5748 			read_extent_buffer(leaf, name_ptr,  in btrfs_real_readdir()
5751 			d_type = btrfs_filetype_table[btrfs_dir_type(leaf, di)];  in btrfs_real_readdir()
5752 			btrfs_dir_item_key_to_cpu(leaf, di, &location);  in btrfs_real_readdir()
5779 			di_len = btrfs_dir_name_len(leaf, di) +  in btrfs_real_readdir()
5780 				 btrfs_dir_data_len(leaf, di) + sizeof(*di);  in btrfs_real_readdir()
5934 	struct extent_buffer *leaf;  in btrfs_set_inode_index_count()  local
5966 	leaf = path->nodes[0];  in btrfs_set_inode_index_count()
5967 	btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_set_inode_index_count()
6637 	struct extent_buffer *leaf = path->nodes[0];  in uncompress_inline()  local
6645 	compress_type = btrfs_file_extent_compression(leaf, item);  in uncompress_inline()
6646 	max_size = btrfs_file_extent_ram_bytes(leaf, item);  in uncompress_inline()
6647 	inline_size = btrfs_file_extent_inline_item_len(leaf,  in uncompress_inline()
6654 	read_extent_buffer(leaf, tmp, ptr, inline_size);  in uncompress_inline()
6685 	struct extent_buffer *leaf;  in btrfs_get_extent()  local
6745 	leaf = path->nodes[0];  in btrfs_get_extent()
6746 	item = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_get_extent()
6749 	btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_get_extent()
6763 	found_type = btrfs_file_extent_type(leaf, item);  in btrfs_get_extent()
6768 		       btrfs_file_extent_num_bytes(leaf, item);  in btrfs_get_extent()
6771 		size = btrfs_file_extent_inline_len(leaf, path->slots[0], item);  in btrfs_get_extent()
6777 		if (path->slots[0] >= btrfs_header_nritems(leaf)) {  in btrfs_get_extent()
6785 			leaf = path->nodes[0];  in btrfs_get_extent()
6787 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_get_extent()
6816 		size = btrfs_file_extent_inline_len(leaf, path->slots[0], item);  in btrfs_get_extent()
6826 			if (btrfs_file_extent_compression(leaf, item) !=  in btrfs_get_extent()
6837 				read_extent_buffer(leaf, map + pg_offset, ptr,  in btrfs_get_extent()
6862 			write_extent_buffer(leaf, map + pg_offset, ptr,  in btrfs_get_extent()
6865 			btrfs_mark_buffer_dirty(leaf);  in btrfs_get_extent()
7114 	struct extent_buffer *leaf;  in can_nocow_extent()  local
7146 	leaf = path->nodes[0];  in can_nocow_extent()
7147 	btrfs_item_key_to_cpu(leaf, &key, slot);  in can_nocow_extent()
7159 	fi = btrfs_item_ptr(leaf, slot, struct btrfs_file_extent_item);  in can_nocow_extent()
7160 	found_type = btrfs_file_extent_type(leaf, fi);  in can_nocow_extent()
7170 	extent_end = key.offset + btrfs_file_extent_num_bytes(leaf, fi);  in can_nocow_extent()
7174 	disk_bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);  in can_nocow_extent()
7178 	if (btrfs_file_extent_compression(leaf, fi) ||  in can_nocow_extent()
7179 	    btrfs_file_extent_encryption(leaf, fi) ||  in can_nocow_extent()
7180 	    btrfs_file_extent_other_encoding(leaf, fi))  in can_nocow_extent()
7183 	backref_offset = btrfs_file_extent_offset(leaf, fi);  in can_nocow_extent()
7187 		*orig_block_len = btrfs_file_extent_disk_num_bytes(leaf, fi);  in can_nocow_extent()
7188 		*ram_bytes = btrfs_file_extent_ram_bytes(leaf, fi);  in can_nocow_extent()
9514 	struct extent_buffer *leaf;  in btrfs_symlink()  local
9577 	leaf = path->nodes[0];  in btrfs_symlink()
9578 	ei = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_symlink()
9580 	btrfs_set_file_extent_generation(leaf, ei, trans->transid);  in btrfs_symlink()
9581 	btrfs_set_file_extent_type(leaf, ei,  in btrfs_symlink()
9583 	btrfs_set_file_extent_encryption(leaf, ei, 0);  in btrfs_symlink()
9584 	btrfs_set_file_extent_compression(leaf, ei, 0);  in btrfs_symlink()
9585 	btrfs_set_file_extent_other_encoding(leaf, ei, 0);  in btrfs_symlink()
9586 	btrfs_set_file_extent_ram_bytes(leaf, ei, name_len);  in btrfs_symlink()
9589 	write_extent_buffer(leaf, symname, ptr, name_len);  in btrfs_symlink()
9590 	btrfs_mark_buffer_dirty(leaf);  in btrfs_symlink()