37 static int check_extent_in_eb(struct btrfs_key *key, struct extent_buffer *eb,  in check_extent_in_eb()  argument
45 	if (!btrfs_file_extent_compression(eb, fi) &&  in check_extent_in_eb()
46 	    !btrfs_file_extent_encryption(eb, fi) &&  in check_extent_in_eb()
47 	    !btrfs_file_extent_other_encoding(eb, fi)) {  in check_extent_in_eb()
51 		data_offset = btrfs_file_extent_offset(eb, fi);  in check_extent_in_eb()
52 		data_len = btrfs_file_extent_num_bytes(eb, fi);  in check_extent_in_eb()
82 static int find_extent_in_eb(struct extent_buffer *eb, u64 wanted_disk_byte,  in find_extent_in_eb()  argument
99 	nritems = btrfs_header_nritems(eb);  in find_extent_in_eb()
101 		btrfs_item_key_to_cpu(eb, &key, slot);  in find_extent_in_eb()
104 		fi = btrfs_item_ptr(eb, slot, struct btrfs_file_extent_item);  in find_extent_in_eb()
105 		extent_type = btrfs_file_extent_type(eb, fi);  in find_extent_in_eb()
109 		disk_byte = btrfs_file_extent_disk_bytenr(eb, fi);  in find_extent_in_eb()
113 		ret = check_extent_in_eb(&key, eb, fi, extent_item_pos, eie);  in find_extent_in_eb()
231 	struct extent_buffer *eb;  in add_all_parents()  local
241 		eb = path->nodes[level];  in add_all_parents()
242 		ret = ulist_add(parents, eb->start, 0, GFP_NOFS);  in add_all_parents()
257 		eb = path->nodes[0];  in add_all_parents()
260 		btrfs_item_key_to_cpu(eb, &key, slot);  in add_all_parents()
266 		fi = btrfs_item_ptr(eb, slot, struct btrfs_file_extent_item);  in add_all_parents()
267 		disk_byte = btrfs_file_extent_disk_bytenr(eb, fi);  in add_all_parents()
274 				ret = check_extent_in_eb(&key, eb, fi,  in add_all_parents()
282 			ret = ulist_add_merge_ptr(parents, eb->start,  in add_all_parents()
316 	struct extent_buffer *eb;  in __resolve_indirect_ref()  local
359 	eb = path->nodes[level];  in __resolve_indirect_ref()
360 	while (!eb) {  in __resolve_indirect_ref()
366 		eb = path->nodes[level];  in __resolve_indirect_ref()
481 	struct extent_buffer *eb;  in __add_missing_keys()  local
492 		eb = read_tree_block(fs_info->tree_root, ref->wanted_disk_byte,  in __add_missing_keys()
494 		if (!eb || !extent_buffer_uptodate(eb)) {  in __add_missing_keys()
495 			free_extent_buffer(eb);  in __add_missing_keys()
498 		btrfs_tree_read_lock(eb);  in __add_missing_keys()
499 		if (btrfs_header_level(eb) == 0)  in __add_missing_keys()
500 			btrfs_item_key_to_cpu(eb, &ref->key_for_search, 0);  in __add_missing_keys()
502 			btrfs_node_key_to_cpu(eb, &ref->key_for_search, 0);  in __add_missing_keys()
503 		btrfs_tree_read_unlock(eb);  in __add_missing_keys()
504 		free_extent_buffer(eb);  in __add_missing_keys()
1033 				struct extent_buffer *eb;  local
1035 				eb = read_tree_block(fs_info->extent_root,
1037 				if (!eb || !extent_buffer_uptodate(eb)) {
1038 					free_extent_buffer(eb);
1042 				btrfs_tree_read_lock(eb);
1043 				btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
1044 				ret = find_extent_in_eb(eb, bytenr,
1046 				btrfs_tree_read_unlock_blocking(eb);
1047 				free_extent_buffer(eb);
1357 	struct extent_buffer *eb = eb_in;  local
1369 			read_extent_buffer(eb, dest + bytes_left,
1371 		if (eb != eb_in) {
1373 				btrfs_tree_read_unlock_blocking(eb);
1374 			free_extent_buffer(eb);
1390 		eb = path->nodes[0];
1392 		if (eb != eb_in) {
1394 				btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
1399 		iref = btrfs_item_ptr(eb, slot, struct btrfs_inode_ref);
1401 		name_len = btrfs_inode_ref_name_len(eb, iref);
1432 	struct extent_buffer *eb;  local
1465 	eb = path->nodes[0];
1466 	item_size = btrfs_item_size_nr(eb, path->slots[0]);
1469 	ei = btrfs_item_ptr(eb, path->slots[0], struct btrfs_extent_item);
1470 	flags = btrfs_extent_flags(eb, ei);
1499 static int __get_extent_inline_ref(unsigned long *ptr, struct extent_buffer *eb,  argument
1511 		flags = btrfs_extent_flags(eb, ei);
1533 	*out_type = btrfs_extent_inline_ref_type(eb, *out_eiref);
1550 int tree_backref_for_extent(unsigned long *ptr, struct extent_buffer *eb,  argument
1562 		ret = __get_extent_inline_ref(ptr, eb, key, ei, item_size,
1576 	*out_root = btrfs_extent_inline_ref_offset(eb, eiref);
1582 		*out_level = btrfs_tree_block_level(eb, info);
1712 			      struct extent_buffer *eb, void *ctx);
1725 	struct extent_buffer *eb;  local
1745 		eb = btrfs_clone_extent_buffer(path->nodes[0]);
1746 		if (!eb) {
1750 		extent_buffer_get(eb);
1751 		btrfs_tree_read_lock(eb);
1752 		btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
1756 		iref = btrfs_item_ptr(eb, slot, struct btrfs_inode_ref);
1758 		for (cur = 0; cur < btrfs_item_size(eb, item); cur += len) {
1759 			name_len = btrfs_inode_ref_name_len(eb, iref);
1765 				      (unsigned long)(iref + 1), eb, ctx);
1771 		btrfs_tree_read_unlock_blocking(eb);
1772 		free_extent_buffer(eb);
1789 	struct extent_buffer *eb;  local
1807 		eb = btrfs_clone_extent_buffer(path->nodes[0]);
1808 		if (!eb) {
1812 		extent_buffer_get(eb);
1814 		btrfs_tree_read_lock(eb);
1815 		btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
1818 		item_size = btrfs_item_size_nr(eb, slot);
1819 		ptr = btrfs_item_ptr_offset(eb, slot);
1826 			parent = btrfs_inode_extref_parent(eb, extref);
1827 			name_len = btrfs_inode_extref_name_len(eb, extref);
1829 				      (unsigned long)&extref->name, eb, ctx);
1833 			cur_offset += btrfs_inode_extref_name_len(eb, extref);
1836 		btrfs_tree_read_unlock_blocking(eb);
1837 		free_extent_buffer(eb);
1872 			 struct extent_buffer *eb, void *ctx)  argument
1886 				   name_off, eb, inum, fspath_min, bytes_left);