188 void btrfs_set_buffer_lockdep_class(u64 objectid, struct extent_buffer *eb,  in btrfs_set_buffer_lockdep_class()  argument
200 	lockdep_set_class_and_name(&eb->lock,  in btrfs_set_buffer_lockdep_class()
238 				 struct extent_buffer *eb, u64 parent_transid,  in verify_parent_transid()  argument
245 	if (!parent_transid || btrfs_header_generation(eb) == parent_transid)  in verify_parent_transid()
252 		btrfs_tree_read_lock(eb);  in verify_parent_transid()
253 		btrfs_set_lock_blocking_read(eb);  in verify_parent_transid()
256 	lock_extent_bits(io_tree, eb->start, eb->start + eb->len - 1,  in verify_parent_transid()
258 	if (extent_buffer_uptodate(eb) &&  in verify_parent_transid()
259 	    btrfs_header_generation(eb) == parent_transid) {  in verify_parent_transid()
263 	btrfs_err_rl(eb->fs_info,  in verify_parent_transid()
265 			eb->start,  in verify_parent_transid()
266 			parent_transid, btrfs_header_generation(eb));  in verify_parent_transid()
277 	if (!extent_buffer_under_io(eb))  in verify_parent_transid()
278 		clear_extent_buffer_uptodate(eb);  in verify_parent_transid()
280 	unlock_extent_cached(io_tree, eb->start, eb->start + eb->len - 1,  in verify_parent_transid()
283 		btrfs_tree_read_unlock_blocking(eb);  in verify_parent_transid()
328 int btrfs_verify_level_key(struct extent_buffer *eb, int level,  in btrfs_verify_level_key()  argument
331 	struct btrfs_fs_info *fs_info = eb->fs_info;  in btrfs_verify_level_key()
336 	found_level = btrfs_header_level(eb);  in btrfs_verify_level_key()
342 			  eb->start, level, found_level);  in btrfs_verify_level_key()
355 	if (btrfs_header_generation(eb) > fs_info->last_trans_committed)  in btrfs_verify_level_key()
359 	if (btrfs_header_nritems(eb) == 0) {  in btrfs_verify_level_key()
362 			  eb->start);  in btrfs_verify_level_key()
368 		btrfs_node_key_to_cpu(eb, &found_key, 0);  in btrfs_verify_level_key()
370 		btrfs_item_key_to_cpu(eb, &found_key, 0);  in btrfs_verify_level_key()
378 			  eb->start, parent_transid, first_key->objectid,  in btrfs_verify_level_key()
394 static int btree_read_extent_buffer_pages(struct extent_buffer *eb,  in btree_read_extent_buffer_pages()  argument
398 	struct btrfs_fs_info *fs_info = eb->fs_info;  in btree_read_extent_buffer_pages()
408 		clear_bit(EXTENT_BUFFER_CORRUPT, &eb->bflags);  in btree_read_extent_buffer_pages()
409 		ret = read_extent_buffer_pages(eb, WAIT_COMPLETE, mirror_num);  in btree_read_extent_buffer_pages()
411 			if (verify_parent_transid(io_tree, eb,  in btree_read_extent_buffer_pages()
414 			else if (btrfs_verify_level_key(eb, level,  in btree_read_extent_buffer_pages()
422 					      eb->start, eb->len);  in btree_read_extent_buffer_pages()
428 			failed_mirror = eb->read_mirror;  in btree_read_extent_buffer_pages()
440 		btrfs_repair_eb_io_failure(eb, failed_mirror);  in btree_read_extent_buffer_pages()
456 	struct extent_buffer *eb;  in csum_dirty_buffer()  local
459 	eb = (struct extent_buffer *)page->private;  in csum_dirty_buffer()
460 	if (page != eb->pages[0])  in csum_dirty_buffer()
463 	found_start = btrfs_header_bytenr(eb);  in csum_dirty_buffer()
473 	ASSERT(memcmp_extent_buffer(eb, fs_info->fs_devices->metadata_uuid,  in csum_dirty_buffer()
477 	csum_tree_block(eb, result);  in csum_dirty_buffer()
479 	if (btrfs_header_level(eb))  in csum_dirty_buffer()
480 		ret = btrfs_check_node(eb);  in csum_dirty_buffer()
482 		ret = btrfs_check_leaf_full(eb);  in csum_dirty_buffer()
485 		btrfs_print_tree(eb, 0);  in csum_dirty_buffer()
488 			  eb->start);  in csum_dirty_buffer()
492 	write_extent_buffer(eb, result, 0, csum_size);  in csum_dirty_buffer()
497 static int check_tree_block_fsid(struct extent_buffer *eb)  in check_tree_block_fsid()  argument
499 	struct btrfs_fs_info *fs_info = eb->fs_info;  in check_tree_block_fsid()
504 	read_extent_buffer(eb, fsid, offsetof(struct btrfs_header, fsid),  in check_tree_block_fsid()
532 	struct extent_buffer *eb;  in btrfs_validate_metadata_buffer()  local
542 	eb = (struct extent_buffer *)page->private;  in btrfs_validate_metadata_buffer()
543 	fs_info = eb->fs_info;  in btrfs_validate_metadata_buffer()
549 	atomic_inc(&eb->refs);  in btrfs_validate_metadata_buffer()
551 	reads_done = atomic_dec_and_test(&eb->io_pages);  in btrfs_validate_metadata_buffer()
555 	eb->read_mirror = mirror;  in btrfs_validate_metadata_buffer()
556 	if (test_bit(EXTENT_BUFFER_READ_ERR, &eb->bflags)) {  in btrfs_validate_metadata_buffer()
561 	found_start = btrfs_header_bytenr(eb);  in btrfs_validate_metadata_buffer()
562 	if (found_start != eb->start) {  in btrfs_validate_metadata_buffer()
564 			     eb->start, found_start);  in btrfs_validate_metadata_buffer()
568 	if (check_tree_block_fsid(eb)) {  in btrfs_validate_metadata_buffer()
570 			     eb->start);  in btrfs_validate_metadata_buffer()
574 	found_level = btrfs_header_level(eb);  in btrfs_validate_metadata_buffer()
577 			  (int)btrfs_header_level(eb), eb->start);  in btrfs_validate_metadata_buffer()
582 	btrfs_set_buffer_lockdep_class(btrfs_header_owner(eb),  in btrfs_validate_metadata_buffer()
583 				       eb, found_level);  in btrfs_validate_metadata_buffer()
585 	csum_tree_block(eb, result);  in btrfs_validate_metadata_buffer()
587 	if (memcmp_extent_buffer(eb, result, 0, csum_size)) {  in btrfs_validate_metadata_buffer()
590 		read_extent_buffer(eb, &val, 0, csum_size);  in btrfs_validate_metadata_buffer()
593 			      fs_info->sb->s_id, eb->start,  in btrfs_validate_metadata_buffer()
596 			      btrfs_header_level(eb));  in btrfs_validate_metadata_buffer()
606 	if (found_level == 0 && btrfs_check_leaf_full(eb)) {  in btrfs_validate_metadata_buffer()
607 		set_bit(EXTENT_BUFFER_CORRUPT, &eb->bflags);  in btrfs_validate_metadata_buffer()
611 	if (found_level > 0 && btrfs_check_node(eb))  in btrfs_validate_metadata_buffer()
615 		set_extent_buffer_uptodate(eb);  in btrfs_validate_metadata_buffer()
619 			  eb->start);  in btrfs_validate_metadata_buffer()
622 	    test_and_clear_bit(EXTENT_BUFFER_READAHEAD, &eb->bflags))  in btrfs_validate_metadata_buffer()
623 		btree_readahead_hook(eb, ret);  in btrfs_validate_metadata_buffer()
631 		atomic_inc(&eb->io_pages);  in btrfs_validate_metadata_buffer()
632 		clear_extent_buffer_uptodate(eb);  in btrfs_validate_metadata_buffer()
634 	free_extent_buffer(eb);  in btrfs_validate_metadata_buffer()
928 	struct extent_buffer *eb;  in btree_set_page_dirty()  local
931 	eb = (struct extent_buffer *)page->private;  in btree_set_page_dirty()
932 	BUG_ON(!eb);  in btree_set_page_dirty()
933 	BUG_ON(!test_bit(EXTENT_BUFFER_DIRTY, &eb->bflags));  in btree_set_page_dirty()
934 	BUG_ON(!atomic_read(&eb->refs));  in btree_set_page_dirty()
935 	btrfs_assert_tree_locked(eb);  in btree_set_page_dirty()
4558 	struct extent_buffer *eb;  in btrfs_destroy_marked_extents()  local
4570 			eb = find_extent_buffer(fs_info, start);  in btrfs_destroy_marked_extents()
4572 			if (!eb)  in btrfs_destroy_marked_extents()
4574 			wait_on_extent_buffer_writeback(eb);  in btrfs_destroy_marked_extents()
4577 					       &eb->bflags))  in btrfs_destroy_marked_extents()
4578 				clear_extent_buffer_dirty(eb);  in btrfs_destroy_marked_extents()
4579 			free_extent_buffer_stale(eb);  in btrfs_destroy_marked_extents()