[src/trunk]: src/sys/dev/mscp Correct ra disk instrumentation. From Johnny Bi...

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

details:   https://anonhg.NetBSD.org/src/rev/535745d062ad
branches:  trunk
changeset: 534411:535745d062ad
user:      ragge <ragge%NetBSD.org@localhost>
date:      Thu Jul 25 12:13:03 2002 +0000

description:
Correct ra disk instrumentation. From Johnny Billquist.

diffstat:

 sys/dev/mscp/mscp_disk.c |  29 +++++++++++++++++++++++------
 1 files changed, 23 insertions(+), 6 deletions(-)

diffs (85 lines):

diff -r 2a0f33f775fd -r 535745d062ad sys/dev/mscp/mscp_disk.c
--- a/sys/dev/mscp/mscp_disk.c  Thu Jul 25 12:02:00 2002 +0000
+++ b/sys/dev/mscp/mscp_disk.c  Thu Jul 25 12:13:03 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mscp_disk.c,v 1.31 2002/07/22 21:48:39 hannken Exp $   */
+/*     $NetBSD: mscp_disk.c,v 1.32 2002/07/25 12:13:03 ragge Exp $     */
 /*
  * Copyright (c) 1996 Ludd, University of Lule}, Sweden.
  * Copyright (c) 1988 Regents of the University of California.
@@ -49,7 +49,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: mscp_disk.c,v 1.31 2002/07/22 21:48:39 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: mscp_disk.c,v 1.32 2002/07/25 12:13:03 ragge Exp $");
 
 #include <sys/param.h>
 #include <sys/buf.h>
@@ -287,6 +287,8 @@
 {
        int unit;
        struct ra_softc *ra;
+       int b;
+
        /*
         * Make sure this is a reasonable drive to use.
         */
@@ -300,6 +302,10 @@
         * If drive is open `raw' or reading label, let it at it.
         */
        if (ra->ra_state == DK_RDLABEL) {
+               /* Make some statistics... /bqt */
+               b = splbio();
+               disk_busy(&ra->ra_disk);
+               splx(b);
                mscp_strategy(bp, ra->ra_dev.dv_parent);
                return;
        }
@@ -321,8 +327,9 @@
                goto done;
 
        /* Make some statistics... /bqt */
-       ra->ra_disk.dk_xfer++;
-       ra->ra_disk.dk_bytes += bp->b_bcount;
+       b = splbio();
+       disk_busy(&ra->ra_disk);
+       splx(b);
        mscp_strategy(bp, ra->ra_dev.dv_parent);
        return;
 
@@ -671,6 +678,7 @@
 {
        int unit;
        struct rx_softc *rx;
+       int b;
 
        /*
         * Make sure this is a reasonable drive to use.
@@ -700,8 +708,9 @@
        }
 
        /* Make some statistics... /bqt */
-       rx->ra_disk.dk_xfer++;
-       rx->ra_disk.dk_bytes += bp->b_bcount;
+       b = splbio();
+       disk_busy(&rx->ra_disk);
+       splx(b);
        mscp_strategy(bp, rx->ra_dev.dv_parent);
        return;
 
@@ -841,6 +850,14 @@
        struct device *usc;
        struct buf *bp;
 {
+       struct ra_softc *ra;
+       int unit;
+
+       /* We assume that this is a reasonable drive. ra_strategy should
+          already have verified it. Thus, no checks here... /bqt */
+       unit = DISKUNIT(bp->b_dev);
+       ra = ra_cd.cd_devs[unit];
+       disk_unbusy(&ra->ra_disk, bp->b_bcount);
 
        biodone(bp);
 }