2185 	struct io_failure_record *failrec;  in clean_io_failure()  local
2202 	failrec = (struct io_failure_record *)(unsigned long) private_failure;  in clean_io_failure()
2203 	BUG_ON(!failrec->this_mirror);  in clean_io_failure()
2205 	if (failrec->in_validation) {  in clean_io_failure()
2208 			 failrec->start);  in clean_io_failure()
2216 					    failrec->start,  in clean_io_failure()
2220 	if (state && state->start <= failrec->start &&  in clean_io_failure()
2221 	    state->end >= failrec->start + failrec->len - 1) {  in clean_io_failure()
2222 		num_copies = btrfs_num_copies(fs_info, failrec->logical,  in clean_io_failure()
2223 					      failrec->len);  in clean_io_failure()
2225 			repair_io_failure(inode, start, failrec->len,  in clean_io_failure()
2226 					  failrec->logical, page,  in clean_io_failure()
2227 					  pg_offset, failrec->failed_mirror);  in clean_io_failure()
2232 	free_io_failure(inode, failrec);  in clean_io_failure()
2246 	struct io_failure_record *failrec;  in btrfs_free_io_failure_record()  local
2262 		failrec = (struct io_failure_record *)(unsigned long)state->private;  in btrfs_free_io_failure_record()
2264 		kfree(failrec);  in btrfs_free_io_failure_record()
2274 	struct io_failure_record *failrec;  in btrfs_get_io_failure_record()  local
2285 		failrec = kzalloc(sizeof(*failrec), GFP_NOFS);  in btrfs_get_io_failure_record()
2286 		if (!failrec)  in btrfs_get_io_failure_record()
2289 		failrec->start = start;  in btrfs_get_io_failure_record()
2290 		failrec->len = end - start + 1;  in btrfs_get_io_failure_record()
2291 		failrec->this_mirror = 0;  in btrfs_get_io_failure_record()
2292 		failrec->bio_flags = 0;  in btrfs_get_io_failure_record()
2293 		failrec->in_validation = 0;  in btrfs_get_io_failure_record()
2296 		em = lookup_extent_mapping(em_tree, start, failrec->len);  in btrfs_get_io_failure_record()
2299 			kfree(failrec);  in btrfs_get_io_failure_record()
2309 			kfree(failrec);  in btrfs_get_io_failure_record()
2317 			failrec->bio_flags = EXTENT_BIO_COMPRESSED;  in btrfs_get_io_failure_record()
2318 			extent_set_compress_type(&failrec->bio_flags,  in btrfs_get_io_failure_record()
2323 			 logical, start, failrec->len);  in btrfs_get_io_failure_record()
2325 		failrec->logical = logical;  in btrfs_get_io_failure_record()
2333 						(u64)(unsigned long)failrec);  in btrfs_get_io_failure_record()
2339 			kfree(failrec);  in btrfs_get_io_failure_record()
2343 		failrec = (struct io_failure_record *)(unsigned long)private;  in btrfs_get_io_failure_record()
2345 			 failrec->logical, failrec->start, failrec->len,  in btrfs_get_io_failure_record()
2346 			 failrec->in_validation);  in btrfs_get_io_failure_record()
2354 	*failrec_ret = failrec;  in btrfs_get_io_failure_record()
2360 			   struct io_failure_record *failrec, int failed_mirror)  in btrfs_check_repairable()  argument
2365 				      failrec->logical, failrec->len);  in btrfs_check_repairable()
2373 			 num_copies, failrec->this_mirror, failed_mirror);  in btrfs_check_repairable()
2391 		BUG_ON(failrec->in_validation);  in btrfs_check_repairable()
2392 		failrec->in_validation = 1;  in btrfs_check_repairable()
2393 		failrec->this_mirror = failed_mirror;  in btrfs_check_repairable()
2400 		if (failrec->in_validation) {  in btrfs_check_repairable()
2401 			BUG_ON(failrec->this_mirror != failed_mirror);  in btrfs_check_repairable()
2402 			failrec->in_validation = 0;  in btrfs_check_repairable()
2403 			failrec->this_mirror = 0;  in btrfs_check_repairable()
2405 		failrec->failed_mirror = failed_mirror;  in btrfs_check_repairable()
2406 		failrec->this_mirror++;  in btrfs_check_repairable()
2407 		if (failrec->this_mirror == failed_mirror)  in btrfs_check_repairable()
2408 			failrec->this_mirror++;  in btrfs_check_repairable()
2411 	if (failrec->this_mirror > num_copies) {  in btrfs_check_repairable()
2413 			 num_copies, failrec->this_mirror, failed_mirror);  in btrfs_check_repairable()
2422 				    struct io_failure_record *failrec,  in btrfs_create_repair_bio()  argument
2435 	bio->bi_iter.bi_sector = failrec->logical >> 9;  in btrfs_create_repair_bio()
2452 	bio_add_page(bio, page, failrec->len, pg_offset);  in btrfs_create_repair_bio()
2469 	struct io_failure_record *failrec;  in bio_readpage_error()  local
2478 	ret = btrfs_get_io_failure_record(inode, start, end, &failrec);  in bio_readpage_error()
2482 	ret = btrfs_check_repairable(inode, failed_bio, failrec, failed_mirror);  in bio_readpage_error()
2484 		free_io_failure(inode, failrec);  in bio_readpage_error()
2494 	bio = btrfs_create_repair_bio(inode, failed_bio, failrec, page,  in bio_readpage_error()
2499 		free_io_failure(inode, failrec);  in bio_readpage_error()
2504 		 read_mode, failrec->this_mirror, failrec->in_validation);  in bio_readpage_error()
2507 					 failrec->this_mirror,  in bio_readpage_error()
2508 					 failrec->bio_flags, 0);  in bio_readpage_error()
2510 		free_io_failure(inode, failrec);  in bio_readpage_error()