257 				 struct extent_buffer *eb, u64 parent_transid)  in verify_parent_transid()  argument
261 	if (!parent_transid || btrfs_header_generation(eb) == parent_transid)  in verify_parent_transid()
264 	lock_extent(io_tree, eb->start, eb->start + eb->len - 1, GFP_NOFS);  in verify_parent_transid()
265 	if (extent_buffer_uptodate(io_tree, eb) &&  in verify_parent_transid()
266 	    btrfs_header_generation(eb) == parent_transid) {  in verify_parent_transid()
271 	       (unsigned long long)eb->start,  in verify_parent_transid()
273 	       (unsigned long long)btrfs_header_generation(eb));  in verify_parent_transid()
275 	clear_extent_buffer_uptodate(io_tree, eb);  in verify_parent_transid()
277 	unlock_extent(io_tree, eb->start, eb->start + eb->len - 1,  in verify_parent_transid()
287 					  struct extent_buffer *eb,  in btree_read_extent_buffer_pages()  argument
297 		ret = read_extent_buffer_pages(io_tree, eb, start, 1,  in btree_read_extent_buffer_pages()
300 		    !verify_parent_transid(io_tree, eb, parent_transid))  in btree_read_extent_buffer_pages()
304 					      eb->start, eb->len);  in btree_read_extent_buffer_pages()
327 	struct extent_buffer *eb;  in csum_dirty_buffer()  local
339 	eb = alloc_extent_buffer(tree, start, len, page, GFP_NOFS);  in csum_dirty_buffer()
340 	ret = btree_read_extent_buffer_pages(root, eb, start + PAGE_CACHE_SIZE,  in csum_dirty_buffer()
341 					     btrfs_header_generation(eb));  in csum_dirty_buffer()
343 	found_start = btrfs_header_bytenr(eb);  in csum_dirty_buffer()
348 	if (eb->first_page != page) {  in csum_dirty_buffer()
356 	found_level = btrfs_header_level(eb);  in csum_dirty_buffer()
358 	csum_tree_block(root, eb, 0);  in csum_dirty_buffer()
360 	free_extent_buffer(eb);  in csum_dirty_buffer()
366 				 struct extent_buffer *eb)  in check_tree_block_fsid()  argument
372 	read_extent_buffer(eb, fsid, (unsigned long)btrfs_header_fsid(eb),  in check_tree_block_fsid()
385 void btrfs_set_buffer_lockdep_class(struct extent_buffer *eb, int level)  in btrfs_set_buffer_lockdep_class()  argument
387 	lockdep_set_class_and_name(&eb->lock,  in btrfs_set_buffer_lockdep_class()
400 	struct extent_buffer *eb;  in btree_readpage_end_io_hook()  local
413 	eb = alloc_extent_buffer(tree, start, len, page, GFP_NOFS);  in btree_readpage_end_io_hook()
415 	found_start = btrfs_header_bytenr(eb);  in btree_readpage_end_io_hook()
419 		       (unsigned long long)eb->start);  in btree_readpage_end_io_hook()
423 	if (eb->first_page != page) {  in btree_readpage_end_io_hook()
425 		       eb->first_page->index, page->index);  in btree_readpage_end_io_hook()
430 	if (check_tree_block_fsid(root, eb)) {  in btree_readpage_end_io_hook()
432 		       (unsigned long long)eb->start);  in btree_readpage_end_io_hook()
436 	found_level = btrfs_header_level(eb);  in btree_readpage_end_io_hook()
438 	btrfs_set_buffer_lockdep_class(eb, found_level);  in btree_readpage_end_io_hook()
440 	ret = csum_tree_block(root, eb, 1);  in btree_readpage_end_io_hook()
444 	end = min_t(u64, eb->len, PAGE_CACHE_SIZE);  in btree_readpage_end_io_hook()
445 	end = eb->start + end - 1;  in btree_readpage_end_io_hook()
447 	free_extent_buffer(eb);  in btree_readpage_end_io_hook()
800 	struct extent_buffer *eb;  in btrfs_find_tree_block()  local
801 	eb = find_extent_buffer(&BTRFS_I(btree_inode)->io_tree,  in btrfs_find_tree_block()
803 	return eb;  in btrfs_find_tree_block()
810 	struct extent_buffer *eb;  in btrfs_find_create_tree_block()  local
812 	eb = alloc_extent_buffer(&BTRFS_I(btree_inode)->io_tree,  in btrfs_find_create_tree_block()
814 	return eb;  in btrfs_find_create_tree_block()
960 	struct extent_buffer *eb;  in btrfs_free_log_root_tree()  local
978 	eb = fs_info->log_root_tree->node;  in btrfs_free_log_root_tree()
980 	WARN_ON(btrfs_header_level(eb) != 0);  in btrfs_free_log_root_tree()
981 	WARN_ON(btrfs_header_nritems(eb) != 0);  in btrfs_free_log_root_tree()
984 				eb->start, eb->len);  in btrfs_free_log_root_tree()
987 	free_extent_buffer(eb);  in btrfs_free_log_root_tree()
2414 	struct extent_buffer *eb;  in btree_lock_page_hook()  local
2422 	eb = find_extent_buffer(io_tree, bytenr, len, GFP_NOFS);  in btree_lock_page_hook()
2423 	if (!eb)  in btree_lock_page_hook()
2426 	btrfs_tree_lock(eb);  in btree_lock_page_hook()
2427 	btrfs_set_header_flag(eb, BTRFS_HEADER_FLAG_WRITTEN);  in btree_lock_page_hook()
2428 	btrfs_tree_unlock(eb);  in btree_lock_page_hook()
2429 	free_extent_buffer(eb);  in btree_lock_page_hook()