X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=init.c;h=b7945cf35e81f0a4a1321268e55f6efd00505eee;hb=210dd0fc66b8956065e098bb9314febe8993e849;hp=242518ccd703f426eb216f86c9e5718da5138df2;hpb=ff6bb260a1dbade1559f26892883690021aa4598;p=fio.git

diff --git a/init.c b/init.c
index 242518cc..b7945cf3 100644
--- a/init.c
+++ b/init.c
@@ -737,11 +737,16 @@ static int fixup_options(struct thread_data *td)
 
 	/*
 	 * For fully compressible data, just zero them at init time.
-	 * It's faster than repeatedly filling it.
+	 * It's faster than repeatedly filling it. For non-zero
+	 * compression, we should have refill_buffers set. Set it, unless
+	 * the job file already changed it.
 	 */
-	if (td->o.compress_percentage == 100) {
-		td->o.zero_buffers = 1;
-		td->o.compress_percentage = 0;
+	if (o->compress_percentage) {
+		if (o->compress_percentage == 100) {
+			o->zero_buffers = 1;
+			o->compress_percentage = 0;
+		} else if (!fio_option_is_set(o, refill_buffers))
+			o->refill_buffers = 1;
 	}
 
 	/*
@@ -858,6 +863,7 @@ static void td_fill_rand_seeds_internal(struct thread_data *td, int use64)
 	init_rand_seed(&td->file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF], use64);
 	init_rand_seed(&td->trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF], use64);
 	init_rand_seed(&td->delay_state, td->rand_seeds[FIO_RAND_START_DELAY], use64);
+	init_rand_seed(&td->poisson_state, td->rand_seeds[FIO_RAND_POISSON_OFF], 0);
 
 	if (!td_random(td))
 		return;
@@ -1232,6 +1238,10 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
 	if ((o->stonewall || o->new_group) && prev_group_jobs) {
 		prev_group_jobs = 0;
 		groupid++;
+		if (groupid == INT_MAX) {
+			log_err("fio: too many groups defined\n");
+			goto err;
+		}
 	}
 
 	td->groupid = groupid;