X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=init.c;h=aba7671c1402ff953dc5549e5303b0b9954c2193;hb=8d916c942bb088204ab5c0438c297903c9160698;hp=b330925c0067e856d3e9ddbda94d42013139bf45;hpb=ae3fcb5afb2479f142912e64cad3c271541af5fe;p=fio.git

diff --git a/init.c b/init.c
index b330925c..aba7671c 100644
--- a/init.c
+++ b/init.c
@@ -621,6 +621,14 @@ static int fixup_options(struct thread_data *td)
 	if (td->o.random_distribution != FIO_RAND_DIST_RANDOM)
 		td->o.norandommap = 1;
 
+	/*
+	 * If size is set but less than the min block size, complain
+	 */
+	if (o->size && o->size < td_min_bs(td)) {
+		log_err("fio: size too small, must be larger than the IO size: %llu\n", (unsigned long long) o->size);
+		ret = 1;
+	}
+
 	return ret;
 }