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authorriastradh <riastradh@NetBSD.org>2023-05-22 14:58:41 +0000
committerriastradh <riastradh@NetBSD.org>2023-05-22 14:58:41 +0000
commit4ccee341cc55eba57841cac46d208c7900ddd2aa (patch)
tree843b4f292c0a9b338a8b3b6686379960f3deed8c /sys/dev/dkwedge
parentc90508e1b912ffc005c86608c35e5548db8378d1 (diff)
dk(4): dkunit is no longer needed; nix it.
dkwedges array indexing now coincides with autoconf device numbering.
Diffstat (limited to 'sys/dev/dkwedge')
-rw-r--r--sys/dev/dkwedge/dk.c40
1 files changed, 4 insertions, 36 deletions
diff --git a/sys/dev/dkwedge/dk.c b/sys/dev/dkwedge/dk.c
index 0cfb3894b12..120448552d9 100644
--- a/sys/dev/dkwedge/dk.c
+++ b/sys/dev/dkwedge/dk.c
@@ -1,4 +1,4 @@
-/* $NetBSD: dk.c,v 1.159 2023/05/22 14:58:32 riastradh Exp $ */
+/* $NetBSD: dk.c,v 1.160 2023/05/22 14:58:41 riastradh Exp $ */
/*-
* Copyright (c) 2004, 2005, 2006, 2007 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.159 2023/05/22 14:58:32 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.160 2023/05/22 14:58:41 riastradh Exp $");
#ifdef _KERNEL_OPT
#include "opt_dkwedge.h"
@@ -114,8 +114,6 @@ static int dkwedge_del1(struct dkwedge_info *, int);
static int dk_open_parent(dev_t, int, struct vnode **);
static int dk_close_parent(struct vnode *, int);
-static int dkunit(dev_t);
-
static dev_type_open(dkopen);
static dev_type_close(dkclose);
static dev_type_cancel(dkcancel);
@@ -142,7 +140,7 @@ const struct bdevsw dk_bdevsw = {
.d_psize = dksize,
.d_discard = dkdiscard,
.d_cfdriver = &dk_cd,
- .d_devtounit = dkunit,
+ .d_devtounit = dev_minor_unit,
.d_flag = D_DISK | D_MPSAFE
};
@@ -160,7 +158,7 @@ const struct cdevsw dk_cdevsw = {
.d_kqfilter = nokqfilter,
.d_discard = dkdiscard,
.d_cfdriver = &dk_cd,
- .d_devtounit = dkunit,
+ .d_devtounit = dev_minor_unit,
.d_flag = D_DISK | D_MPSAFE
};
@@ -1224,36 +1222,6 @@ dk_close_parent(struct vnode *vp, int mode)
}
/*
- * dkunit: [devsw entry point]
- *
- * Return the autoconf device_t unit number of a wedge by its
- * devsw dev_t number, or -1 if there is none.
- *
- * XXX This is a temporary hack until dkwedge numbering is made to
- * correspond 1:1 to autoconf device numbering.
- */
-static int
-dkunit(dev_t dev)
-{
- int mn = minor(dev);
- struct dkwedge_softc *sc;
- device_t dv;
- int unit = -1;
-
- if (mn < 0)
- return -1;
-
- rw_enter(&dkwedges_lock, RW_READER);
- if (mn < ndkwedges &&
- (sc = dkwedges[minor(dev)]) != NULL &&
- (dv = sc->sc_dev) != NULL)
- unit = device_unit(dv);
- rw_exit(&dkwedges_lock);
-
- return unit;
-}
-
-/*
* dkopen: [devsw entry point]
*
* Open a wedge.