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.

diff --git a/sys/arch/sparc/dev/xd.c b/sys/arch/sparc/dev/xd.c
index ee58b16..36f0537 100644 (file)
--- 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 20d4e61..d6fc6ef 100644 (file)
--- 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 8d7aebd..3be42a1 100644 (file)
--- 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 deabca5..8a3a81f 100644 (file)
--- 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 */
 };