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Don't pass a buffer to physio(), let it be allocated dynamically.

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This leaves only scsipi and atapi doing the same.
This commit is contained in:
ad 2009-05-18 20:41:57 +00:00
parent 69408179ba
commit 610bc1e5aa
3 changed files with 12 additions and 20 deletions
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11
sys/arch/hp300/dev/mt.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: mt.c,v 1.46 2009/01/13 13:35:51 yamt Exp $ */
/* $NetBSD: mt.c,v 1.47 2009/05/18 20:41:57 ad Exp $ */
/*-
* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
@ -60,7 +60,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: mt.c,v 1.46 2009/01/13 13:35:51 yamt Exp $");
__KERNEL_RCSID(0, "$NetBSD: mt.c,v 1.47 2009/05/18 20:41:57 ad Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -114,7 +114,6 @@ struct mt_softc {
tpr_t sc_ttyp;
struct bufq_state *sc_tab;/* buf queue */
int sc_active;
struct buf sc_bufstore; /* XXX buffer storage */
};
#ifdef DEBUG
@ -922,8 +921,7 @@ mtread(dev_t dev, struct uio *uio, int flags)
{
struct mt_softc *sc = device_lookup_private(&mt_cd,UNIT(dev));
return physio(mtstrategy, &sc->sc_bufstore,
dev, B_READ, minphys, uio);
return physio(mtstrategy, NULL, dev, B_READ, minphys, uio);
}
static int
@ -931,8 +929,7 @@ mtwrite(dev_t dev, struct uio *uio, int flags)
{
struct mt_softc *sc = device_lookup_private(&mt_cd,UNIT(dev));
return physio(mtstrategy, &sc->sc_bufstore,
dev, B_WRITE, minphys, uio);
return physio(mtstrategy, NULL, dev, B_WRITE, minphys, uio);
}
static int

10
sys/dev/gpib/mt.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: mt.c,v 1.20 2009/05/12 14:21:58 cegger Exp $ */
/* $NetBSD: mt.c,v 1.21 2009/05/18 20:41:57 ad Exp $ */
/*-
* Copyright (c) 1996-2003 The NetBSD Foundation, Inc.
@ -114,7 +114,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: mt.c,v 1.20 2009/05/12 14:21:58 cegger Exp $");
__KERNEL_RCSID(0, "$NetBSD: mt.c,v 1.21 2009/05/18 20:41:57 ad Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -989,8 +989,7 @@ mtread(dev_t dev, struct uio *uio, int flags)
sc = device_lookup_private(&mt_cd, MTUNIT(dev));
return (physio(mtstrategy, &sc->sc_bufstore,
dev, B_READ, minphys, uio));
return (physio(mtstrategy, NULL, dev, B_READ, minphys, uio));
}
int
@ -1000,8 +999,7 @@ mtwrite(dev_t dev, struct uio *uio, int flags)
sc = device_lookup_private(&mt_cd, MTUNIT(dev));
return (physio(mtstrategy, &sc->sc_bufstore,
dev, B_WRITE, minphys, uio));
return (physio(mtstrategy, NULL, dev, B_WRITE, minphys, uio));
}
int

11
sys/dev/qbus/qd.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: qd.c,v 1.49 2009/04/18 14:58:03 tsutsui Exp $ */
/* $NetBSD: qd.c,v 1.50 2009/05/18 20:41:57 ad Exp $ */
/*-
* Copyright (c) 1988 Regents of the University of California.
@ -58,7 +58,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: qd.c,v 1.49 2009/04/18 14:58:03 tsutsui Exp $");
__KERNEL_RCSID(0, "$NetBSD: qd.c,v 1.50 2009/05/18 20:41:57 ad Exp $");
#include "opt_ddb.h"
@ -167,7 +167,6 @@ int Qbus_unmap[NQD]; /* Qbus mapper release code */
struct qdmap qdmap[NQD]; /* QDSS register map structure */
struct qdflags qdflags[NQD]; /* QDSS register map structure */
void *qdbase[NQD]; /* base address of each QDSS unit */
struct buf qdbuf[NQD]; /* buf structs used by strategy */
short qdopened[NQD]; /* graphics device is open exclusive use */
/*
@ -1640,8 +1639,7 @@ qdwrite(dev_t dev, struct uio *uio, int flag)
/*
* this is a DMA xfer from user space
*/
return (physio(qd_strategy, &qdbuf[unit],
dev, B_WRITE, minphys, uio));
return (physio(qd_strategy, NULL, dev, B_WRITE, minphys, uio));
}
return (ENXIO);
}
@ -1667,8 +1665,7 @@ qdread(dev_t dev, struct uio *uio, int flag)
/*
* this is a bitmap-to-processor xfer
*/
return (physio(qd_strategy, &qdbuf[unit],
dev, B_READ, minphys, uio));
return (physio(qd_strategy, NULL, dev, B_READ, minphys, uio));
}
return (ENXIO);
}