217 	state->failrec = NULL;  in alloc_extent_state()
1806 		struct io_failure_record *failrec)  in set_state_failrec()  argument
1827 	state->failrec = failrec;  in set_state_failrec()
1834 		struct io_failure_record **failrec)  in get_state_failrec()  argument
1855 	*failrec = state->failrec;  in get_state_failrec()
2077 	struct io_failure_record *failrec;  in clean_io_failure()  local
2088 	ret = get_state_failrec(failure_tree, start, &failrec);  in clean_io_failure()
2092 	BUG_ON(!failrec->this_mirror);  in clean_io_failure()
2094 	if (failrec->in_validation) {  in clean_io_failure()
2098 			failrec->start);  in clean_io_failure()
2106 					    failrec->start,  in clean_io_failure()
2110 	if (state && state->start <= failrec->start &&  in clean_io_failure()
2111 	    state->end >= failrec->start + failrec->len - 1) {  in clean_io_failure()
2112 		num_copies = btrfs_num_copies(fs_info, failrec->logical,  in clean_io_failure()
2113 					      failrec->len);  in clean_io_failure()
2115 			repair_io_failure(fs_info, ino, start, failrec->len,  in clean_io_failure()
2116 					  failrec->logical, page, pg_offset,  in clean_io_failure()
2117 					  failrec->failed_mirror);  in clean_io_failure()
2122 	free_io_failure(failure_tree, io_tree, failrec);  in clean_io_failure()
2136 	struct io_failure_record *failrec;  in btrfs_free_io_failure_record()  local
2152 		failrec = state->failrec;  in btrfs_free_io_failure_record()
2154 		kfree(failrec);  in btrfs_free_io_failure_record()
2165 	struct io_failure_record *failrec;  in btrfs_get_io_failure_record()  local
2173 	ret = get_state_failrec(failure_tree, start, &failrec);  in btrfs_get_io_failure_record()
2175 		failrec = kzalloc(sizeof(*failrec), GFP_NOFS);  in btrfs_get_io_failure_record()
2176 		if (!failrec)  in btrfs_get_io_failure_record()
2179 		failrec->start = start;  in btrfs_get_io_failure_record()
2180 		failrec->len = end - start + 1;  in btrfs_get_io_failure_record()
2181 		failrec->this_mirror = 0;  in btrfs_get_io_failure_record()
2182 		failrec->bio_flags = 0;  in btrfs_get_io_failure_record()
2183 		failrec->in_validation = 0;  in btrfs_get_io_failure_record()
2186 		em = lookup_extent_mapping(em_tree, start, failrec->len);  in btrfs_get_io_failure_record()
2189 			kfree(failrec);  in btrfs_get_io_failure_record()
2199 			kfree(failrec);  in btrfs_get_io_failure_record()
2207 			failrec->bio_flags = EXTENT_BIO_COMPRESSED;  in btrfs_get_io_failure_record()
2208 			extent_set_compress_type(&failrec->bio_flags,  in btrfs_get_io_failure_record()
2214 			logical, start, failrec->len);  in btrfs_get_io_failure_record()
2216 		failrec->logical = logical;  in btrfs_get_io_failure_record()
2223 			ret = set_state_failrec(failure_tree, start, failrec);  in btrfs_get_io_failure_record()
2228 			kfree(failrec);  in btrfs_get_io_failure_record()
2234 			failrec->logical, failrec->start, failrec->len,  in btrfs_get_io_failure_record()
2235 			failrec->in_validation);  in btrfs_get_io_failure_record()
2243 	*failrec_ret = failrec;  in btrfs_get_io_failure_record()
2249 			   struct io_failure_record *failrec, int failed_mirror)  in btrfs_check_repairable()  argument
2254 	num_copies = btrfs_num_copies(fs_info, failrec->logical, failrec->len);  in btrfs_check_repairable()
2263 			num_copies, failrec->this_mirror, failed_mirror);  in btrfs_check_repairable()
2281 		BUG_ON(failrec->in_validation);  in btrfs_check_repairable()
2282 		failrec->in_validation = 1;  in btrfs_check_repairable()
2283 		failrec->this_mirror = failed_mirror;  in btrfs_check_repairable()
2290 		if (failrec->in_validation) {  in btrfs_check_repairable()
2291 			BUG_ON(failrec->this_mirror != failed_mirror);  in btrfs_check_repairable()
2292 			failrec->in_validation = 0;  in btrfs_check_repairable()
2293 			failrec->this_mirror = 0;  in btrfs_check_repairable()
2295 		failrec->failed_mirror = failed_mirror;  in btrfs_check_repairable()
2296 		failrec->this_mirror++;  in btrfs_check_repairable()
2297 		if (failrec->this_mirror == failed_mirror)  in btrfs_check_repairable()
2298 			failrec->this_mirror++;  in btrfs_check_repairable()
2301 	if (failrec->this_mirror > num_copies) {  in btrfs_check_repairable()
2304 			num_copies, failrec->this_mirror, failed_mirror);  in btrfs_check_repairable()
2313 				    struct io_failure_record *failrec,  in btrfs_create_repair_bio()  argument
2324 	bio->bi_iter.bi_sector = failrec->logical >> 9;  in btrfs_create_repair_bio()
2340 	bio_add_page(bio, page, failrec->len, pg_offset);  in btrfs_create_repair_bio()
2357 	struct io_failure_record *failrec;  in bio_readpage_error()  local
2369 	ret = btrfs_get_io_failure_record(inode, start, end, &failrec);  in bio_readpage_error()
2373 	if (!btrfs_check_repairable(inode, failed_bio_pages, failrec,  in bio_readpage_error()
2375 		free_io_failure(failure_tree, tree, failrec);  in bio_readpage_error()
2383 	bio = btrfs_create_repair_bio(inode, failed_bio, failrec, page,  in bio_readpage_error()
2391 		read_mode, failrec->this_mirror, failrec->in_validation);  in bio_readpage_error()
2393 	status = tree->ops->submit_bio_hook(tree->private_data, bio, failrec->this_mirror,  in bio_readpage_error()
2394 					 failrec->bio_flags, 0);  in bio_readpage_error()
2396 		free_io_failure(failure_tree, tree, failrec);  in bio_readpage_error()