2117 	struct io_failure_record *failrec;  in clean_io_failure()  local
2134 	failrec = (struct io_failure_record *)(unsigned long) private_failure;  in clean_io_failure()
2135 	BUG_ON(!failrec->this_mirror);  in clean_io_failure()
2137 	if (failrec->in_validation) {  in clean_io_failure()
2140 			 failrec->start);  in clean_io_failure()
2148 					    failrec->start,  in clean_io_failure()
2152 	if (state && state->start <= failrec->start &&  in clean_io_failure()
2153 	    state->end >= failrec->start + failrec->len - 1) {  in clean_io_failure()
2154 		num_copies = btrfs_num_copies(fs_info, failrec->logical,  in clean_io_failure()
2155 					      failrec->len);  in clean_io_failure()
2157 			repair_io_failure(inode, start, failrec->len,  in clean_io_failure()
2158 					  failrec->logical, page,  in clean_io_failure()
2159 					  pg_offset, failrec->failed_mirror);  in clean_io_failure()
2164 	free_io_failure(inode, failrec);  in clean_io_failure()
2178 	struct io_failure_record *failrec;  in btrfs_free_io_failure_record()  local
2194 		failrec = (struct io_failure_record *)(unsigned long)state->private;  in btrfs_free_io_failure_record()
2196 		kfree(failrec);  in btrfs_free_io_failure_record()
2206 	struct io_failure_record *failrec;  in btrfs_get_io_failure_record()  local
2217 		failrec = kzalloc(sizeof(*failrec), GFP_NOFS);  in btrfs_get_io_failure_record()
2218 		if (!failrec)  in btrfs_get_io_failure_record()
2221 		failrec->start = start;  in btrfs_get_io_failure_record()
2222 		failrec->len = end - start + 1;  in btrfs_get_io_failure_record()
2223 		failrec->this_mirror = 0;  in btrfs_get_io_failure_record()
2224 		failrec->bio_flags = 0;  in btrfs_get_io_failure_record()
2225 		failrec->in_validation = 0;  in btrfs_get_io_failure_record()
2228 		em = lookup_extent_mapping(em_tree, start, failrec->len);  in btrfs_get_io_failure_record()
2231 			kfree(failrec);  in btrfs_get_io_failure_record()
2241 			kfree(failrec);  in btrfs_get_io_failure_record()
2249 			failrec->bio_flags = EXTENT_BIO_COMPRESSED;  in btrfs_get_io_failure_record()
2250 			extent_set_compress_type(&failrec->bio_flags,  in btrfs_get_io_failure_record()
2255 			 logical, start, failrec->len);  in btrfs_get_io_failure_record()
2257 		failrec->logical = logical;  in btrfs_get_io_failure_record()
2265 						(u64)(unsigned long)failrec);  in btrfs_get_io_failure_record()
2271 			kfree(failrec);  in btrfs_get_io_failure_record()
2275 		failrec = (struct io_failure_record *)(unsigned long)private;  in btrfs_get_io_failure_record()
2277 			 failrec->logical, failrec->start, failrec->len,  in btrfs_get_io_failure_record()
2278 			 failrec->in_validation);  in btrfs_get_io_failure_record()
2286 	*failrec_ret = failrec;  in btrfs_get_io_failure_record()
2292 			   struct io_failure_record *failrec, int failed_mirror)  in btrfs_check_repairable()  argument
2297 				      failrec->logical, failrec->len);  in btrfs_check_repairable()
2305 			 num_copies, failrec->this_mirror, failed_mirror);  in btrfs_check_repairable()
2323 		BUG_ON(failrec->in_validation);  in btrfs_check_repairable()
2324 		failrec->in_validation = 1;  in btrfs_check_repairable()
2325 		failrec->this_mirror = failed_mirror;  in btrfs_check_repairable()
2332 		if (failrec->in_validation) {  in btrfs_check_repairable()
2333 			BUG_ON(failrec->this_mirror != failed_mirror);  in btrfs_check_repairable()
2334 			failrec->in_validation = 0;  in btrfs_check_repairable()
2335 			failrec->this_mirror = 0;  in btrfs_check_repairable()
2337 		failrec->failed_mirror = failed_mirror;  in btrfs_check_repairable()
2338 		failrec->this_mirror++;  in btrfs_check_repairable()
2339 		if (failrec->this_mirror == failed_mirror)  in btrfs_check_repairable()
2340 			failrec->this_mirror++;  in btrfs_check_repairable()
2343 	if (failrec->this_mirror > num_copies) {  in btrfs_check_repairable()
2345 			 num_copies, failrec->this_mirror, failed_mirror);  in btrfs_check_repairable()
2354 				    struct io_failure_record *failrec,  in btrfs_create_repair_bio()  argument
2367 	bio->bi_iter.bi_sector = failrec->logical >> 9;  in btrfs_create_repair_bio()
2384 	bio_add_page(bio, page, failrec->len, pg_offset);  in btrfs_create_repair_bio()
2401 	struct io_failure_record *failrec;  in bio_readpage_error()  local
2410 	ret = btrfs_get_io_failure_record(inode, start, end, &failrec);  in bio_readpage_error()
2414 	ret = btrfs_check_repairable(inode, failed_bio, failrec, failed_mirror);  in bio_readpage_error()
2416 		free_io_failure(inode, failrec);  in bio_readpage_error()
2426 	bio = btrfs_create_repair_bio(inode, failed_bio, failrec, page,  in bio_readpage_error()
2431 		free_io_failure(inode, failrec);  in bio_readpage_error()
2436 		 read_mode, failrec->this_mirror, failrec->in_validation);  in bio_readpage_error()
2439 					 failrec->this_mirror,  in bio_readpage_error()
2440 					 failrec->bio_flags, 0);  in bio_readpage_error()
2442 		free_io_failure(inode, failrec);  in bio_readpage_error()