305 	state->failrec = NULL;  in alloc_extent_state()
2018 		struct io_failure_record *failrec)  in set_state_failrec()  argument
2039 	state->failrec = failrec;  in set_state_failrec()
2046 		struct io_failure_record **failrec)  in get_state_failrec()  argument
2067 	*failrec = state->failrec;  in get_state_failrec()
2289 	struct io_failure_record *failrec;  in clean_io_failure()  local
2300 	ret = get_state_failrec(failure_tree, start, &failrec);  in clean_io_failure()
2304 	BUG_ON(!failrec->this_mirror);  in clean_io_failure()
2306 	if (failrec->in_validation) {  in clean_io_failure()
2310 			failrec->start);  in clean_io_failure()
2318 					    failrec->start,  in clean_io_failure()
2322 	if (state && state->start <= failrec->start &&  in clean_io_failure()
2323 	    state->end >= failrec->start + failrec->len - 1) {  in clean_io_failure()
2324 		num_copies = btrfs_num_copies(fs_info, failrec->logical,  in clean_io_failure()
2325 					      failrec->len);  in clean_io_failure()
2327 			repair_io_failure(fs_info, ino, start, failrec->len,  in clean_io_failure()
2328 					  failrec->logical, page, pg_offset,  in clean_io_failure()
2329 					  failrec->failed_mirror);  in clean_io_failure()
2334 	free_io_failure(failure_tree, io_tree, failrec);  in clean_io_failure()
2348 	struct io_failure_record *failrec;  in btrfs_free_io_failure_record()  local
2364 		failrec = state->failrec;  in btrfs_free_io_failure_record()
2366 		kfree(failrec);  in btrfs_free_io_failure_record()
2377 	struct io_failure_record *failrec;  in btrfs_get_io_failure_record()  local
2385 	ret = get_state_failrec(failure_tree, start, &failrec);  in btrfs_get_io_failure_record()
2387 		failrec = kzalloc(sizeof(*failrec), GFP_NOFS);  in btrfs_get_io_failure_record()
2388 		if (!failrec)  in btrfs_get_io_failure_record()
2391 		failrec->start = start;  in btrfs_get_io_failure_record()
2392 		failrec->len = end - start + 1;  in btrfs_get_io_failure_record()
2393 		failrec->this_mirror = 0;  in btrfs_get_io_failure_record()
2394 		failrec->bio_flags = 0;  in btrfs_get_io_failure_record()
2395 		failrec->in_validation = 0;  in btrfs_get_io_failure_record()
2398 		em = lookup_extent_mapping(em_tree, start, failrec->len);  in btrfs_get_io_failure_record()
2401 			kfree(failrec);  in btrfs_get_io_failure_record()
2411 			kfree(failrec);  in btrfs_get_io_failure_record()
2419 			failrec->bio_flags = EXTENT_BIO_COMPRESSED;  in btrfs_get_io_failure_record()
2420 			extent_set_compress_type(&failrec->bio_flags,  in btrfs_get_io_failure_record()
2426 			logical, start, failrec->len);  in btrfs_get_io_failure_record()
2428 		failrec->logical = logical;  in btrfs_get_io_failure_record()
2435 			ret = set_state_failrec(failure_tree, start, failrec);  in btrfs_get_io_failure_record()
2440 			kfree(failrec);  in btrfs_get_io_failure_record()
2446 			failrec->logical, failrec->start, failrec->len,  in btrfs_get_io_failure_record()
2447 			failrec->in_validation);  in btrfs_get_io_failure_record()
2455 	*failrec_ret = failrec;  in btrfs_get_io_failure_record()
2461 			   struct io_failure_record *failrec, int failed_mirror)  in btrfs_check_repairable()  argument
2466 	num_copies = btrfs_num_copies(fs_info, failrec->logical, failrec->len);  in btrfs_check_repairable()
2475 			num_copies, failrec->this_mirror, failed_mirror);  in btrfs_check_repairable()
2493 		BUG_ON(failrec->in_validation);  in btrfs_check_repairable()
2494 		failrec->in_validation = 1;  in btrfs_check_repairable()
2495 		failrec->this_mirror = failed_mirror;  in btrfs_check_repairable()
2502 		if (failrec->in_validation) {  in btrfs_check_repairable()
2503 			BUG_ON(failrec->this_mirror != failed_mirror);  in btrfs_check_repairable()
2504 			failrec->in_validation = 0;  in btrfs_check_repairable()
2505 			failrec->this_mirror = 0;  in btrfs_check_repairable()
2507 		failrec->failed_mirror = failed_mirror;  in btrfs_check_repairable()
2508 		failrec->this_mirror++;  in btrfs_check_repairable()
2509 		if (failrec->this_mirror == failed_mirror)  in btrfs_check_repairable()
2510 			failrec->this_mirror++;  in btrfs_check_repairable()
2513 	if (failrec->this_mirror > num_copies) {  in btrfs_check_repairable()
2516 			num_copies, failrec->this_mirror, failed_mirror);  in btrfs_check_repairable()
2525 				    struct io_failure_record *failrec,  in btrfs_create_repair_bio()  argument
2536 	bio->bi_iter.bi_sector = failrec->logical >> 9;  in btrfs_create_repair_bio()
2552 	bio_add_page(bio, page, failrec->len, pg_offset);  in btrfs_create_repair_bio()
2567 	struct io_failure_record *failrec;  in bio_readpage_error()  local
2579 	ret = btrfs_get_io_failure_record(inode, start, end, &failrec);  in bio_readpage_error()
2583 	if (!btrfs_check_repairable(inode, failed_bio_pages, failrec,  in bio_readpage_error()
2585 		free_io_failure(failure_tree, tree, failrec);  in bio_readpage_error()
2593 	bio = btrfs_create_repair_bio(inode, failed_bio, failrec, page,  in bio_readpage_error()
2601 		read_mode, failrec->this_mirror, failrec->in_validation);  in bio_readpage_error()
2603 	status = tree->ops->submit_bio_hook(tree->private_data, bio, failrec->this_mirror,  in bio_readpage_error()
2604 					 failrec->bio_flags);  in bio_readpage_error()
2606 		free_io_failure(failure_tree, tree, failrec);  in bio_readpage_error()