Retire the GEOM private statistics code and use devstat instead.

1 files changed, 0 insertions, 137 deletions

diff --git a/sys/geom/geom_stats.c b/sys/geom/geom_stats.c
deleted file mode 100644
index 03e1c75..0000000
--- a/sys/geom/geom_stats.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/*-
- * Copyright (c) 2002 Poul-Henning Kamp
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The names of the authors may not be used to endorse or promote
- *    products derived from this software without specific prior written
- *    permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#include "opt_geom.h"
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/sysctl.h>
-#include <sys/bio.h>
-#include <sys/conf.h>
-#include <sys/disk.h>
-#include <sys/malloc.h>
-#include <sys/sysctl.h>
-#include <vm/vm.h>
-#include <vm/pmap.h>
-
-#include <sys/lock.h>
-#include <sys/mutex.h>
-#include <geom/geom.h>
-#include <geom/geom_int.h>
-#include <geom/geom_stats.h>
-
-#define statsperpage (PAGE_SIZE / sizeof(struct g_stat))
-
-struct statspage {
-	TAILQ_ENTRY(statspage)	list;
-	struct g_stat		*stat;
-	u_int			nfree;
-};
-
-static TAILQ_HEAD(, statspage)	pagelist = TAILQ_HEAD_INITIALIZER(pagelist);
-
-struct g_stat *
-g_stat_new(void *id)
-{
-	struct g_stat *gsp;
-	struct statspage *spp;
-	u_int u;
-
-	g_topology_assert();
-	TAILQ_FOREACH(spp, &pagelist, list) {
-		if (spp->nfree > 0)
-			break;
-	}
-	if (spp == NULL) {
-		spp = g_malloc(sizeof *spp, M_ZERO | M_WAITOK);
-		TAILQ_INSERT_TAIL(&pagelist, spp, list);
-		spp->stat = g_malloc(PAGE_SIZE, M_ZERO | M_WAITOK);
-		spp->nfree = statsperpage;
-	}
-	gsp = spp->stat;
-	for (u = 0; u < statsperpage; u++) {
-		if (gsp->id == NULL)
-			break;
-		gsp++;
-	}
-	spp->nfree--;
-	gsp->id = id;
-	return (gsp);
-}
-
-void
-g_stat_delete(struct g_stat *gsp)
-{
-	struct statspage *spp;
-
-	bzero(gsp, sizeof *gsp);
-	TAILQ_FOREACH(spp, &pagelist, list) {
-		if (gsp >= spp->stat && gsp < (spp->stat + statsperpage)) {
-			spp->nfree++;
-			return;
-		}
-	}
-}
-
-static d_mmap_t g_stat_mmap;
-
-static struct cdevsw geom_stats_cdevsw = {
-	.d_open =	nullopen,
-	.d_close =	nullclose,
-	.d_mmap =	g_stat_mmap,
-	.d_name =	"g_stats",
-	.d_maj =	GEOM_MAJOR,
-};
-
-static int
-g_stat_mmap(dev_t dev, vm_offset_t offset, vm_offset_t *paddr, int nprot)
-{
-	struct statspage *spp;
-
-	if (nprot != VM_PROT_READ)
-		return (-1);
-	TAILQ_FOREACH(spp, &pagelist, list) {
-		if (offset == 0) {
-			*paddr = vtophys(spp->stat);
-			return (0);
-		}
-		offset -= PAGE_SIZE;
-	}
-	return (-1);
-}
-
-void
-g_stat_init(void)
-{
-	make_dev(&geom_stats_cdevsw, GEOM_MINOR_STATS,
-	    UID_ROOT, GID_WHEEL, 0400, GEOM_STATS_DEVICE);
-}