o With -x switch do not pay attention at the hardcoded limit of 3 devices and dump stats for all devices in the system. User can still limit iostat -x by -n switch.

Spotted by:	Igor Sysoev
Submitted by:	kensmith
Approved by:	re (kensmith)
MFC after:	2 weeks

1 files changed, 7 insertions, 5 deletions

diff --git a/usr.sbin/iostat/iostat.c b/usr.sbin/iostat/iostat.c
index b38c6dc..111d927 100644
--- a/usr.sbin/iostat/iostat.c
+++ b/usr.sbin/iostat/iostat.c
@@ -281,11 +281,17 @@ main(int argc, char **argv)
 		Tflag = 1;
 	}
 
+	/* find out how many devices we have */
+	if ((num_devices = devstat_getnumdevs(kd)) < 0)
+		err(1, "can't get number of devices");
+
 	/*
 	 * Figure out how many devices we should display.
 	 */
 	if (nflag == 0) {
-		if (oflag > 0) {
+		if (xflag > 0)
+			maxshowdevs = num_devices;
+		else if (oflag > 0) {
 			if ((dflag > 0) && (Cflag == 0) && (Tflag == 0))
 				maxshowdevs = 5;
 			else if ((dflag > 0) && (Tflag > 0) && (Cflag == 0))
@@ -300,10 +306,6 @@ main(int argc, char **argv)
 		}
 	}
 
-	/* find out how many devices we have */
-	if ((num_devices = devstat_getnumdevs(kd)) < 0)
-		err(1, "can't get number of devices");
-
 	cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
 	if (cur.dinfo == NULL)
 		err(1, "malloc failed");