Module Name: src
Committed By: jmcneill
Date: Fri Jun 28 14:56:46 UTC 2019
Modified Files:
src/sys/dev: dksubr.c
src/sys/sys: buf.h
Log Message:
Store a reference to the CPU that submitted the I/O request with the
request itself.
To generate a diff of this commit:
cvs rdiff -u -r1.108 -r1.109 src/sys/dev/dksubr.c
cvs rdiff -u -r1.129 -r1.130 src/sys/sys/buf.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/dksubr.c
diff -u src/sys/dev/dksubr.c:1.108 src/sys/dev/dksubr.c:1.109
--- src/sys/dev/dksubr.c:1.108 Sun Apr 21 11:45:08 2019
+++ src/sys/dev/dksubr.c Fri Jun 28 14:56:46 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: dksubr.c,v 1.108 2019/04/21 11:45:08 maya Exp $ */
+/* $NetBSD: dksubr.c,v 1.109 2019/06/28 14:56:46 jmcneill Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998, 1999, 2002, 2008 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dksubr.c,v 1.108 2019/04/21 11:45:08 maya Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dksubr.c,v 1.109 2019/06/28 14:56:46 jmcneill Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -381,6 +381,7 @@ dk_start(struct dk_softc *dksc, struct b
mutex_enter(&dksc->sc_iolock);
if (bp != NULL) {
+ bp->b_ci = curcpu();
disk_wait(&dksc->sc_dkdev);
bufq_put(dksc->sc_bufq, bp);
}
Index: src/sys/sys/buf.h
diff -u src/sys/sys/buf.h:1.129 src/sys/sys/buf.h:1.130
--- src/sys/sys/buf.h:1.129 Thu Jun 8 01:23:01 2017
+++ src/sys/sys/buf.h Fri Jun 28 14:56:45 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: buf.h,v 1.129 2017/06/08 01:23:01 chs Exp $ */
+/* $NetBSD: buf.h,v 1.130 2019/06/28 14:56:45 jmcneill Exp $ */
/*-
* Copyright (c) 1999, 2000, 2007, 2008 The NetBSD Foundation, Inc.
@@ -137,6 +137,7 @@ struct buf {
(volume relative) */
struct proc *b_proc; /* b: proc if BB_PHYS */
void *b_saveaddr; /* b: saved b_data for physio */
+ struct cpu_info *b_ci; /* b: originating CPU */
/*
* b: private data for owner.
