From f62d7fa89725ed83a25a6da0112a4fd720c34cd0 Mon Sep 17 00:00:00 2001
From: miod <miod@openbsd.org>
Date: Wed, 14 Jan 2015 21:13:46 +0000
Subject: [PATCH] Make the special buffer used for the few sector I/O at attach
 time a per-softc member, rather than a global. No functional change.

---
 sys/arch/sparc/dev/xd.c    | 11 ++++++-----
 sys/arch/sparc/dev/xdvar.h |  3 ++-
 sys/arch/sparc/dev/xy.c    | 11 ++++++-----
 sys/arch/sparc/dev/xyvar.h |  3 ++-
 4 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/sys/arch/sparc/dev/xd.c b/sys/arch/sparc/dev/xd.c
index ee58b1691cf..36f05375f69 100644
--- a/sys/arch/sparc/dev/xd.c
+++ b/sys/arch/sparc/dev/xd.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: xd.c,v 1.66 2015/01/14 19:02:59 miod Exp $	*/
+/*	$OpenBSD: xd.c,v 1.67 2015/01/14 21:13:46 miod Exp $	*/
 /*	$NetBSD: xd.c,v 1.37 1997/07/29 09:58:16 fair Exp $	*/
 
 /*
@@ -266,15 +266,16 @@ struct xdc_attach_args {	/* this is the "aux" args to xdattach */
  * start: disk label fix code (XXX)
  */
 
-static void *xd_labeldata;
-
 static void
 xddummystrat(bp)
 	struct buf *bp;
 {
+	struct xd_softc *xd;
+
+	xd = (struct xd_softc *)xd_cd.cd_devs[DISKUNIT(bp->b_dev)];
 	if (bp->b_bcount != XDFM_BPS)
 		panic("xddummystrat");
-	bcopy(xd_labeldata, bp->b_data, XDFM_BPS);
+	bcopy(xd->xd_labeldata, bp->b_data, XDFM_BPS);
 	bp->b_flags |= B_DONE;
 }
 
@@ -299,7 +300,7 @@ xdgetdisklabel(xd, b)
 	lp->d_type = DTYPE_SMD;
 
 	/* We already have the label data in `b'; setup for dummy strategy */
-	xd_labeldata = b;
+	xd->xd_labeldata = b;
 
 	error = readdisklabel(MAKEDISKDEV(0, xd->sc_dev.dv_unit, RAW_PART),
 	    xddummystrat, lp, 0);
diff --git a/sys/arch/sparc/dev/xdvar.h b/sys/arch/sparc/dev/xdvar.h
index 20d4e6139e0..d6fc6ef6a43 100644
--- a/sys/arch/sparc/dev/xdvar.h
+++ b/sys/arch/sparc/dev/xdvar.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: xdvar.h,v 1.8 2014/07/11 16:35:40 jsg Exp $	*/
+/*	$OpenBSD: xdvar.h,v 1.9 2015/01/14 21:13:46 miod Exp $	*/
 /*	$NetBSD: xdvar.h,v 1.5 1996/03/31 22:38:56 pk Exp $	*/
 
 /*
@@ -107,6 +107,7 @@ struct xd_softc {
   u_char nhead;                    /* number of heads */
   u_char nsect;                    /* number of sectors per track */
   u_char hw_spt;                   /* as above, but includes spare sectors */
+  void *xd_labeldata;              /* temporary sector buffer */
   struct dkbad dkb;                /* bad144 sectors */
 };
 
diff --git a/sys/arch/sparc/dev/xy.c b/sys/arch/sparc/dev/xy.c
index 8d7aebd1e99..3be42a1dfcb 100644
--- a/sys/arch/sparc/dev/xy.c
+++ b/sys/arch/sparc/dev/xy.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: xy.c,v 1.63 2015/01/14 19:02:59 miod Exp $	*/
+/*	$OpenBSD: xy.c,v 1.64 2015/01/14 21:13:46 miod Exp $	*/
 /*	$NetBSD: xy.c,v 1.26 1997/07/19 21:43:56 pk Exp $	*/
 
 /*
@@ -204,15 +204,16 @@ struct xyc_attach_args {	/* this is the "aux" args to xyattach */
  * start: disk label fix code (XXX)
  */
 
-static void *xy_labeldata;
-
 static void
 xydummystrat(bp)
 	struct buf *bp;
 {
+	struct xy_softc *xy;
+       
+	xy = (struct xy_softc *)xy_cd.cd_devs[DISKUNIT(bp->b_dev)];
 	if (bp->b_bcount != XYFM_BPS)
 		panic("xydummystrat");
-	bcopy(xy_labeldata, bp->b_data, XYFM_BPS);
+	bcopy(xy->xy_labeldata, bp->b_data, XYFM_BPS);
 	bp->b_flags |= B_DONE;
 }
 
@@ -237,7 +238,7 @@ xygetdisklabel(xy, b)
 	lp->d_type = DTYPE_SMD;
 
 	/* We already have the label data in `b'; setup for dummy strategy */
-	xy_labeldata = b;
+	xy->xy_labeldata = b;
 
 	error = readdisklabel(MAKEDISKDEV(0, xy->sc_dev.dv_unit, RAW_PART),
 	    xydummystrat, lp, 0);
diff --git a/sys/arch/sparc/dev/xyvar.h b/sys/arch/sparc/dev/xyvar.h
index deabca52bca..8a3a81f61fe 100644
--- a/sys/arch/sparc/dev/xyvar.h
+++ b/sys/arch/sparc/dev/xyvar.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: xyvar.h,v 1.9 2014/07/11 16:35:40 jsg Exp $	*/
+/*	$OpenBSD: xyvar.h,v 1.10 2015/01/14 21:13:46 miod Exp $	*/
 /*	$NetBSD: xyvar.h,v 1.4 1996/03/31 22:39:04 pk Exp $	*/
 
 /*
@@ -109,6 +109,7 @@ struct xy_softc {
   u_char nsect;                    /* number of sectors per track */
   u_char hw_spt;                   /* as above, but includes spare sectors */
   struct xy_iorq *xyrq;		   /* this disk's ioreq structure */
+  void *xy_labeldata;              /* temporary sector buffer */
   struct bufq xy_bufq;		   /* queue'd I/O requests */
   struct dkbad dkb;                /* bad144 sectors */
 };
-- 
2.20.1