X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=eta.c;h=286b45ee3837f5e613ffe53120b3ef7045c94a9a;hp=970a67dfd0ac8d6672758b99d528f32526f26e4e;hb=da92f848c5e0d29db6dda12c4c97bf1338a01128;hpb=73027fb9ad6728f5b066e25a9ec923459ceab8a2

diff --git a/eta.c b/eta.c
index 970a67df..286b45ee 100644
--- a/eta.c
+++ b/eta.c
@@ -177,12 +177,27 @@ static unsigned long thread_eta(struct thread_data *td)
 		bytes_total = td->fill_device_size;
 	}
 
-	if (td->o.zone_size && td->o.zone_skip && bytes_total) {
+	/*
+	 * If io_size is set, bytes_total is an exact value that does not need
+	 * adjustment.
+	 */
+	if (td->o.zone_size && td->o.zone_skip && bytes_total &&
+	    !fio_option_is_set(&td->o, io_size)) {
 		unsigned int nr_zones;
 		uint64_t zone_bytes;
 
-		zone_bytes = bytes_total + td->o.zone_size + td->o.zone_skip;
-		nr_zones = (zone_bytes - 1) / (td->o.zone_size + td->o.zone_skip);
+		/*
+		 * Calculate the upper bound of the number of zones that will
+		 * be processed, including skipped bytes between zones. If this
+		 * is larger than total_io_size (e.g. when --io_size or --size
+		 * specify a small value), use the lower bound to avoid
+		 * adjustments to a negative value that would result in a very
+		 * large bytes_total and an incorrect eta.
+		 */
+		zone_bytes = td->o.zone_size + td->o.zone_skip;
+		nr_zones = (bytes_total + zone_bytes - 1) / zone_bytes;
+		if (bytes_total < nr_zones * td->o.zone_skip)
+			nr_zones = bytes_total / zone_bytes;
 		bytes_total -= nr_zones * td->o.zone_skip;
 	}
 
@@ -718,6 +733,9 @@ void print_thread_status(void)
 
 void print_status_init(int thr_number)
 {
+	compiletime_assert(sizeof(struct jobs_eta) ==
+			   sizeof(struct jobs_eta_packed), "jobs_eta");
+
 	DRD_IGNORE_VAR(__run_str);
 	__run_str[thr_number] = 'P';
 	update_condensed_str(__run_str, run_str);