[src/trunk]: src/sys/kern bufq_priocscan_get: don't update state in the case ...

[yamt <yamt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/70f8c5ce9602
branches:  trunk
changeset: 574522:70f8c5ce9602
user:      yamt <yamt%NetBSD.org@localhost>
date:      Thu Mar 03 05:00:22 2005 +0000

description:
bufq_priocscan_get: don't update state in the case of !remove.  fix BUFQ_PEEK.

diffstat:

 sys/kern/bufq_priocscan.c |  16 ++++++++++------
 1 files changed, 10 insertions(+), 6 deletions(-)

diffs (44 lines):

diff -r cf752f54fd7d -r 70f8c5ce9602 sys/kern/bufq_priocscan.c
--- a/sys/kern/bufq_priocscan.c Thu Mar 03 04:39:37 2005 +0000
+++ b/sys/kern/bufq_priocscan.c Thu Mar 03 05:00:22 2005 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bufq_priocscan.c,v 1.3 2004/11/25 04:52:24 yamt Exp $  */
+/*     $NetBSD: bufq_priocscan.c,v 1.4 2005/03/03 05:00:22 yamt Exp $  */
 
 /*-
  * Copyright (c)2004 YAMAMOTO Takashi,
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bufq_priocscan.c,v 1.3 2004/11/25 04:52:24 yamt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bufq_priocscan.c,v 1.4 2005/03/03 05:00:22 yamt Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -238,7 +238,9 @@
                /*
                 * XXX account only by number of requests.  is it good enough?
                 */
-               pq->q_burst--;
+               if (remove) {
+                       pq->q_burst--;
+               }
        } else {
                /*
                 * no queue was selected due to burst counts
@@ -256,9 +258,11 @@
                /*
                 * reset burst counts
                 */
-               for (i = 0; i < PRIOCSCAN_NQUEUE; i++) {
-                       pq = &q->bq_queue[i];
-                       pq->q_burst = priocscan_burst[i];
+               if (remove) {
+                       for (i = 0; i < PRIOCSCAN_NQUEUE; i++) {
+                               pq = &q->bq_queue[i];
+                               pq->q_burst = priocscan_burst[i];
+                       }
                }
 
                /*