267 	fc->log.prefix	= fs_type->name;  in alloc_fs_context()
361 	if (fc->log.log)  in vfs_dup_fs_context()
362 		refcount_inc(&fc->log.log->usage);  in vfs_dup_fs_context()
385 void logfc(struct fc_log *log, const char *prefix, char level, const char *fmt, ...)  in logfc()  argument
391 	if (!log) {  in logfc()
407 		unsigned int logsize = ARRAY_SIZE(log->buffer);  in logfc()
413 		index = log->head & (logsize - 1);  in logfc()
414 		BUILD_BUG_ON(sizeof(log->head) != sizeof(u8) ||  in logfc()
415 			     sizeof(log->tail) != sizeof(u8));  in logfc()
416 		if ((u8)(log->head - log->tail) == logsize) {  in logfc()
418 			if (log->need_free & (1 << index))  in logfc()
419 				kfree(log->buffer[index]);  in logfc()
420 			log->tail++;  in logfc()
423 		log->buffer[index] = q ? q : "OOM: Can't store error string";  in logfc()
425 			log->need_free |= 1 << index;  in logfc()
427 			log->need_free &= ~(1 << index);  in logfc()
428 		log->head++;  in logfc()
439 	struct fc_log *log = fc->log.log;  in put_fc_log()  local
442 	if (log) {  in put_fc_log()
443 		if (refcount_dec_and_test(&log->usage)) {  in put_fc_log()
444 			fc->log.log = NULL;  in put_fc_log()
446 				if (log->need_free & (1 << i))  in put_fc_log()
447 					kfree(log->buffer[i]);  in put_fc_log()
448 			kfree(log);  in put_fc_log()