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()
1222 	struct extent_buffer *leaf;  in run_delalloc_nocow()  local
1283 			leaf = path->nodes[0];  in run_delalloc_nocow()
1284 			btrfs_item_key_to_cpu(leaf, &found_key,  in run_delalloc_nocow()
1292 		leaf = path->nodes[0];  in run_delalloc_nocow()
1293 		if (path->slots[0] >= btrfs_header_nritems(leaf)) {  in run_delalloc_nocow()
1299 			leaf = path->nodes[0];  in run_delalloc_nocow()
1305 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in run_delalloc_nocow()
1324 		fi = btrfs_item_ptr(leaf, path->slots[0],  in run_delalloc_nocow()
1326 		extent_type = btrfs_file_extent_type(leaf, fi);  in run_delalloc_nocow()
1328 		ram_bytes = btrfs_file_extent_ram_bytes(leaf, fi);  in run_delalloc_nocow()
1331 			disk_bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);  in run_delalloc_nocow()
1332 			extent_offset = btrfs_file_extent_offset(leaf, fi);  in run_delalloc_nocow()
1334 				btrfs_file_extent_num_bytes(leaf, fi);  in run_delalloc_nocow()
1336 				btrfs_file_extent_disk_num_bytes(leaf, fi);  in run_delalloc_nocow()
1343 			if (btrfs_file_extent_compression(leaf, fi) ||  in run_delalloc_nocow()
1344 			    btrfs_file_extent_encryption(leaf, fi) ||  in run_delalloc_nocow()
1345 			    btrfs_file_extent_other_encoding(leaf, fi))  in run_delalloc_nocow()
1377 				btrfs_file_extent_inline_len(leaf,  in run_delalloc_nocow()
2077 	struct extent_buffer *leaf;  in insert_reserved_file_extent()  local
2112 	leaf = path->nodes[0];  in insert_reserved_file_extent()
2113 	fi = btrfs_item_ptr(leaf, path->slots[0],  in insert_reserved_file_extent()
2115 	btrfs_set_file_extent_generation(leaf, fi, trans->transid);  in insert_reserved_file_extent()
2116 	btrfs_set_file_extent_type(leaf, fi, extent_type);  in insert_reserved_file_extent()
2117 	btrfs_set_file_extent_disk_bytenr(leaf, fi, disk_bytenr);  in insert_reserved_file_extent()
2118 	btrfs_set_file_extent_disk_num_bytes(leaf, fi, disk_num_bytes);  in insert_reserved_file_extent()
2119 	btrfs_set_file_extent_offset(leaf, fi, 0);  in insert_reserved_file_extent()
2120 	btrfs_set_file_extent_num_bytes(leaf, fi, num_bytes);  in insert_reserved_file_extent()
2121 	btrfs_set_file_extent_ram_bytes(leaf, fi, ram_bytes);  in insert_reserved_file_extent()
2122 	btrfs_set_file_extent_compression(leaf, fi, compression);  in insert_reserved_file_extent()
2123 	btrfs_set_file_extent_encryption(leaf, fi, encryption);  in insert_reserved_file_extent()
2124 	btrfs_set_file_extent_other_encoding(leaf, fi, other_encoding);  in insert_reserved_file_extent()
2126 	btrfs_mark_buffer_dirty(leaf);  in insert_reserved_file_extent()
2254 	struct extent_buffer *leaf;  in record_one_backref()  local
2295 		leaf = path->nodes[0];  in record_one_backref()
2298 		if (slot >= btrfs_header_nritems(leaf)) {  in record_one_backref()
2311 		btrfs_item_key_to_cpu(leaf, &key, slot);  in record_one_backref()
2319 		extent = btrfs_item_ptr(leaf, slot,  in record_one_backref()
2322 		if (btrfs_file_extent_disk_bytenr(leaf, extent) != old->bytenr)  in record_one_backref()
2333 		extent_offset = btrfs_file_extent_offset(leaf, extent);  in record_one_backref()
2334 		num_bytes = btrfs_file_extent_num_bytes(leaf, extent);  in record_one_backref()
2354 	backref->generation = btrfs_file_extent_generation(leaf, extent);  in record_one_backref()
2394 static int relink_is_mergable(struct extent_buffer *leaf,  in relink_is_mergable()  argument
2398 	if (btrfs_file_extent_disk_bytenr(leaf, fi) != new->bytenr)  in relink_is_mergable()
2401 	if (btrfs_file_extent_type(leaf, fi) != BTRFS_FILE_EXTENT_REG)  in relink_is_mergable()
2404 	if (btrfs_file_extent_compression(leaf, fi) != new->compress_type)  in relink_is_mergable()
2407 	if (btrfs_file_extent_encryption(leaf, fi) ||  in relink_is_mergable()
2408 	    btrfs_file_extent_other_encoding(leaf, fi))  in relink_is_mergable()
2428 	struct extent_buffer *leaf;  in relink_extent_backref()  local
2549 		leaf = path->nodes[0];  in relink_extent_backref()
2550 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in relink_extent_backref()
2552 		fi = btrfs_item_ptr(leaf, path->slots[0],  in relink_extent_backref()
2554 		extent_len = btrfs_file_extent_num_bytes(leaf, fi);  in relink_extent_backref()
2557 		    relink_is_mergable(leaf, fi, new)) {  in relink_extent_backref()
2558 			btrfs_set_file_extent_num_bytes(leaf, fi,  in relink_extent_backref()
2560 			btrfs_mark_buffer_dirty(leaf);  in relink_extent_backref()
2579 	leaf = path->nodes[0];  in relink_extent_backref()
2580 	item = btrfs_item_ptr(leaf, path->slots[0],  in relink_extent_backref()
2582 	btrfs_set_file_extent_disk_bytenr(leaf, item, new->bytenr);  in relink_extent_backref()
2583 	btrfs_set_file_extent_disk_num_bytes(leaf, item, new->disk_len);  in relink_extent_backref()
2584 	btrfs_set_file_extent_offset(leaf, item, start - new->file_pos);  in relink_extent_backref()
2585 	btrfs_set_file_extent_num_bytes(leaf, item, len);  in relink_extent_backref()
2586 	btrfs_set_file_extent_ram_bytes(leaf, item, new->len);  in relink_extent_backref()
2587 	btrfs_set_file_extent_generation(leaf, item, trans->transid);  in relink_extent_backref()
2588 	btrfs_set_file_extent_type(leaf, item, BTRFS_FILE_EXTENT_REG);  in relink_extent_backref()
2589 	btrfs_set_file_extent_compression(leaf, item, new->compress_type);  in relink_extent_backref()
2590 	btrfs_set_file_extent_encryption(leaf, item, 0);  in relink_extent_backref()
2591 	btrfs_set_file_extent_other_encoding(leaf, item, 0);  in relink_extent_backref()
2593 	btrfs_mark_buffer_dirty(leaf);  in relink_extent_backref()
3335 	struct extent_buffer *leaf;  in btrfs_orphan_cleanup()  local
3374 		leaf = path->nodes[0];  in btrfs_orphan_cleanup()
3375 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_orphan_cleanup()
3538 static noinline int acls_after_inode_item(struct extent_buffer *leaf,  in acls_after_inode_item()  argument
3542 	u32 nritems = btrfs_header_nritems(leaf);  in acls_after_inode_item()
3558 		btrfs_item_key_to_cpu(leaf, &found_key, slot);  in acls_after_inode_item()
3607 	struct extent_buffer *leaf;  in btrfs_read_locked_inode()  local
3632 	leaf = path->nodes[0];  in btrfs_read_locked_inode()
3637 	inode_item = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_read_locked_inode()
3639 	inode->i_mode = btrfs_inode_mode(leaf, inode_item);  in btrfs_read_locked_inode()
3640 	set_nlink(inode, btrfs_inode_nlink(leaf, inode_item));  in btrfs_read_locked_inode()
3641 	i_uid_write(inode, btrfs_inode_uid(leaf, inode_item));  in btrfs_read_locked_inode()
3642 	i_gid_write(inode, btrfs_inode_gid(leaf, inode_item));  in btrfs_read_locked_inode()
3643 	btrfs_i_size_write(inode, btrfs_inode_size(leaf, inode_item));  in btrfs_read_locked_inode()
3645 	inode->i_atime.tv_sec = btrfs_timespec_sec(leaf, &inode_item->atime);  in btrfs_read_locked_inode()
3646 	inode->i_atime.tv_nsec = btrfs_timespec_nsec(leaf, &inode_item->atime);  in btrfs_read_locked_inode()
3648 	inode->i_mtime.tv_sec = btrfs_timespec_sec(leaf, &inode_item->mtime);  in btrfs_read_locked_inode()
3649 	inode->i_mtime.tv_nsec = btrfs_timespec_nsec(leaf, &inode_item->mtime);  in btrfs_read_locked_inode()
3651 	inode->i_ctime.tv_sec = btrfs_timespec_sec(leaf, &inode_item->ctime);  in btrfs_read_locked_inode()
3652 	inode->i_ctime.tv_nsec = btrfs_timespec_nsec(leaf, &inode_item->ctime);  in btrfs_read_locked_inode()
3655 		btrfs_timespec_sec(leaf, &inode_item->otime);  in btrfs_read_locked_inode()
3657 		btrfs_timespec_nsec(leaf, &inode_item->otime);  in btrfs_read_locked_inode()
3659 	inode_set_bytes(inode, btrfs_inode_nbytes(leaf, inode_item));  in btrfs_read_locked_inode()
3660 	BTRFS_I(inode)->generation = btrfs_inode_generation(leaf, inode_item);  in btrfs_read_locked_inode()
3661 	BTRFS_I(inode)->last_trans = btrfs_inode_transid(leaf, inode_item);  in btrfs_read_locked_inode()
3663 	inode->i_version = btrfs_inode_sequence(leaf, inode_item);  in btrfs_read_locked_inode()
3666 	rdev = btrfs_inode_rdev(leaf, inode_item);  in btrfs_read_locked_inode()
3669 	BTRFS_I(inode)->flags = btrfs_inode_flags(leaf, inode_item);  in btrfs_read_locked_inode()
3716 	    path->slots[0] >= btrfs_header_nritems(leaf))  in btrfs_read_locked_inode()
3719 	btrfs_item_key_to_cpu(leaf, &location, path->slots[0]);  in btrfs_read_locked_inode()
3723 	ptr = btrfs_item_ptr_offset(leaf, path->slots[0]);  in btrfs_read_locked_inode()
3728 		BTRFS_I(inode)->dir_index = btrfs_inode_ref_index(leaf, ref);  in btrfs_read_locked_inode()
3733 		BTRFS_I(inode)->dir_index = btrfs_inode_extref_index(leaf,  in btrfs_read_locked_inode()
3741 	maybe_acls = acls_after_inode_item(leaf, path->slots[0],  in btrfs_read_locked_inode()
3793 			    struct extent_buffer *leaf,  in fill_inode_item()  argument
3801 	btrfs_set_token_inode_uid(leaf, item, i_uid_read(inode), &token);  in fill_inode_item()
3802 	btrfs_set_token_inode_gid(leaf, item, i_gid_read(inode), &token);  in fill_inode_item()
3803 	btrfs_set_token_inode_size(leaf, item, BTRFS_I(inode)->disk_i_size,  in fill_inode_item()
3805 	btrfs_set_token_inode_mode(leaf, item, inode->i_mode, &token);  in fill_inode_item()
3806 	btrfs_set_token_inode_nlink(leaf, item, inode->i_nlink, &token);  in fill_inode_item()
3808 	btrfs_set_token_timespec_sec(leaf, &item->atime,  in fill_inode_item()
3810 	btrfs_set_token_timespec_nsec(leaf, &item->atime,  in fill_inode_item()
3813 	btrfs_set_token_timespec_sec(leaf, &item->mtime,  in fill_inode_item()
3815 	btrfs_set_token_timespec_nsec(leaf, &item->mtime,  in fill_inode_item()
3818 	btrfs_set_token_timespec_sec(leaf, &item->ctime,  in fill_inode_item()
3820 	btrfs_set_token_timespec_nsec(leaf, &item->ctime,  in fill_inode_item()
3823 	btrfs_set_token_timespec_sec(leaf, &item->otime,  in fill_inode_item()
3825 	btrfs_set_token_timespec_nsec(leaf, &item->otime,  in fill_inode_item()
3828 	btrfs_set_token_inode_nbytes(leaf, item, inode_get_bytes(inode),  in fill_inode_item()
3830 	btrfs_set_token_inode_generation(leaf, item, BTRFS_I(inode)->generation,  in fill_inode_item()
3832 	btrfs_set_token_inode_sequence(leaf, item, inode->i_version, &token);  in fill_inode_item()
3833 	btrfs_set_token_inode_transid(leaf, item, trans->transid, &token);  in fill_inode_item()
3834 	btrfs_set_token_inode_rdev(leaf, item, inode->i_rdev, &token);  in fill_inode_item()
3835 	btrfs_set_token_inode_flags(leaf, item, BTRFS_I(inode)->flags, &token);  in fill_inode_item()
3836 	btrfs_set_token_inode_block_group(leaf, item, 0, &token);  in fill_inode_item()
3847 	struct extent_buffer *leaf;  in btrfs_update_inode_item()  local
3863 	leaf = path->nodes[0];  in btrfs_update_inode_item()
3864 	inode_item = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_update_inode_item()
3867 	fill_inode_item(trans, leaf, inode_item, inode);  in btrfs_update_inode_item()
3868 	btrfs_mark_buffer_dirty(leaf);  in btrfs_update_inode_item()
3929 	struct extent_buffer *leaf;  in __btrfs_unlink_inode()  local
3953 	leaf = path->nodes[0];  in __btrfs_unlink_inode()
3954 	btrfs_dir_item_key_to_cpu(leaf, di, &key);  in __btrfs_unlink_inode()
4093 	struct extent_buffer *leaf;  in btrfs_unlink_subvol()  local
4114 	leaf = path->nodes[0];  in btrfs_unlink_subvol()
4115 	btrfs_dir_item_key_to_cpu(leaf, di, &key);  in btrfs_unlink_subvol()
4143 		leaf = path->nodes[0];  in btrfs_unlink_subvol()
4144 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in btrfs_unlink_subvol()
4228 	struct extent_buffer *leaf = path->nodes[0];  in truncate_inline_extent()  local
4234 	fi = btrfs_item_ptr(leaf, slot, struct btrfs_file_extent_item);  in truncate_inline_extent()
4236 	if (btrfs_file_extent_compression(leaf, fi) != BTRFS_COMPRESS_NONE) {  in truncate_inline_extent()
4253 	btrfs_set_file_extent_ram_bytes(leaf, fi, size);  in truncate_inline_extent()
4280 	struct extent_buffer *leaf;  in btrfs_truncate_inode_items()  local
4373 		leaf = path->nodes[0];  in btrfs_truncate_inode_items()
4374 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_truncate_inode_items()
4385 			fi = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_truncate_inode_items()
4387 			extent_type = btrfs_file_extent_type(leaf, fi);  in btrfs_truncate_inode_items()
4390 				    btrfs_file_extent_num_bytes(leaf, fi);  in btrfs_truncate_inode_items()
4392 				item_end += btrfs_file_extent_inline_len(leaf,  in btrfs_truncate_inode_items()
4419 			extent_start = btrfs_file_extent_disk_bytenr(leaf, fi);  in btrfs_truncate_inode_items()
4422 					btrfs_file_extent_num_bytes(leaf, fi);  in btrfs_truncate_inode_items()
4426 				btrfs_set_file_extent_num_bytes(leaf, fi,  in btrfs_truncate_inode_items()
4434 				btrfs_mark_buffer_dirty(leaf);  in btrfs_truncate_inode_items()
4437 					btrfs_file_extent_disk_num_bytes(leaf,  in btrfs_truncate_inode_items()
4440 					btrfs_file_extent_offset(leaf, fi);  in btrfs_truncate_inode_items()
4443 				num_dec = btrfs_file_extent_num_bytes(leaf, fi);  in btrfs_truncate_inode_items()
4457 			    btrfs_file_extent_encryption(leaf, fi) == 0 &&  in btrfs_truncate_inode_items()
4458 			    btrfs_file_extent_other_encoding(leaf, fi) == 0) {  in btrfs_truncate_inode_items()
4465 				if (btrfs_file_extent_compression(leaf, fi) !=  in btrfs_truncate_inode_items()
4519 						btrfs_header_owner(leaf),  in btrfs_truncate_inode_items()
5355 	struct extent_buffer *leaf;  in fixup_tree_root_location()  local
5379 	leaf = path->nodes[0];  in fixup_tree_root_location()
5380 	ref = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_root_ref);  in fixup_tree_root_location()
5381 	if (btrfs_root_ref_dirid(leaf, ref) != btrfs_ino(dir) ||  in fixup_tree_root_location()
5382 	    btrfs_root_ref_name_len(leaf, ref) != dentry->d_name.len)  in fixup_tree_root_location()
5385 	ret = memcmp_extent_buffer(leaf, dentry->d_name.name,  in fixup_tree_root_location()
5728 	struct extent_buffer *leaf;  in btrfs_real_readdir()  local
5771 		leaf = path->nodes[0];  in btrfs_real_readdir()
5773 		if (slot >= btrfs_header_nritems(leaf)) {  in btrfs_real_readdir()
5783 		btrfs_item_key_to_cpu(leaf, &found_key, slot);  in btrfs_real_readdir()
5799 		di = btrfs_item_ptr(leaf, slot, struct btrfs_dir_item);  in btrfs_real_readdir()
5801 		di_total = btrfs_item_size(leaf, item);  in btrfs_real_readdir()
5806 			if (verify_dir_item(root, leaf, di))  in btrfs_real_readdir()
5809 			name_len = btrfs_dir_name_len(leaf, di);  in btrfs_real_readdir()
5819 			read_extent_buffer(leaf, name_ptr,  in btrfs_real_readdir()
5822 			d_type = btrfs_filetype_table[btrfs_dir_type(leaf, di)];  in btrfs_real_readdir()
5823 			btrfs_dir_item_key_to_cpu(leaf, di, &location);  in btrfs_real_readdir()
5850 			di_len = btrfs_dir_name_len(leaf, di) +  in btrfs_real_readdir()
5851 				 btrfs_dir_data_len(leaf, di) + sizeof(*di);  in btrfs_real_readdir()
6005 	struct extent_buffer *leaf;  in btrfs_set_inode_index_count()  local
6037 	leaf = path->nodes[0];  in btrfs_set_inode_index_count()
6038 	btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_set_inode_index_count()
6705 	struct extent_buffer *leaf = path->nodes[0];  in uncompress_inline()  local
6713 	compress_type = btrfs_file_extent_compression(leaf, item);  in uncompress_inline()
6714 	max_size = btrfs_file_extent_ram_bytes(leaf, item);  in uncompress_inline()
6715 	inline_size = btrfs_file_extent_inline_item_len(leaf,  in uncompress_inline()
6722 	read_extent_buffer(leaf, tmp, ptr, inline_size);  in uncompress_inline()
6753 	struct extent_buffer *leaf;  in btrfs_get_extent()  local
6813 	leaf = path->nodes[0];  in btrfs_get_extent()
6814 	item = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_get_extent()
6817 	btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_get_extent()
6831 	found_type = btrfs_file_extent_type(leaf, item);  in btrfs_get_extent()
6836 		       btrfs_file_extent_num_bytes(leaf, item);  in btrfs_get_extent()
6839 		size = btrfs_file_extent_inline_len(leaf, path->slots[0], item);  in btrfs_get_extent()
6845 		if (path->slots[0] >= btrfs_header_nritems(leaf)) {  in btrfs_get_extent()
6853 			leaf = path->nodes[0];  in btrfs_get_extent()
6855 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_get_extent()
6884 		size = btrfs_file_extent_inline_len(leaf, path->slots[0], item);  in btrfs_get_extent()
6894 			if (btrfs_file_extent_compression(leaf, item) !=  in btrfs_get_extent()
6905 				read_extent_buffer(leaf, map + pg_offset, ptr,  in btrfs_get_extent()
6930 			write_extent_buffer(leaf, map + pg_offset, ptr,  in btrfs_get_extent()
6933 			btrfs_mark_buffer_dirty(leaf);  in btrfs_get_extent()
7181 	struct extent_buffer *leaf;  in can_nocow_extent()  local
7213 	leaf = path->nodes[0];  in can_nocow_extent()
7214 	btrfs_item_key_to_cpu(leaf, &key, slot);  in can_nocow_extent()
7226 	fi = btrfs_item_ptr(leaf, slot, struct btrfs_file_extent_item);  in can_nocow_extent()
7227 	found_type = btrfs_file_extent_type(leaf, fi);  in can_nocow_extent()
7237 	extent_end = key.offset + btrfs_file_extent_num_bytes(leaf, fi);  in can_nocow_extent()
7241 	disk_bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);  in can_nocow_extent()
7245 	if (btrfs_file_extent_compression(leaf, fi) ||  in can_nocow_extent()
7246 	    btrfs_file_extent_encryption(leaf, fi) ||  in can_nocow_extent()
7247 	    btrfs_file_extent_other_encoding(leaf, fi))  in can_nocow_extent()
7250 	backref_offset = btrfs_file_extent_offset(leaf, fi);  in can_nocow_extent()
7254 		*orig_block_len = btrfs_file_extent_disk_num_bytes(leaf, fi);  in can_nocow_extent()
7255 		*ram_bytes = btrfs_file_extent_ram_bytes(leaf, fi);  in can_nocow_extent()
9655 	struct extent_buffer *leaf;  in btrfs_symlink()  local
9718 	leaf = path->nodes[0];  in btrfs_symlink()
9719 	ei = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_symlink()
9721 	btrfs_set_file_extent_generation(leaf, ei, trans->transid);  in btrfs_symlink()
9722 	btrfs_set_file_extent_type(leaf, ei,  in btrfs_symlink()
9724 	btrfs_set_file_extent_encryption(leaf, ei, 0);  in btrfs_symlink()
9725 	btrfs_set_file_extent_compression(leaf, ei, 0);  in btrfs_symlink()
9726 	btrfs_set_file_extent_other_encoding(leaf, ei, 0);  in btrfs_symlink()
9727 	btrfs_set_file_extent_ram_bytes(leaf, ei, name_len);  in btrfs_symlink()
9730 	write_extent_buffer(leaf, symname, ptr, name_len);  in btrfs_symlink()
9731 	btrfs_mark_buffer_dirty(leaf);  in btrfs_symlink()