Remove cam_extend.[ch] after all references to them were removed.

PR:		kern/39809
Approved by:	gibbs

2 files changed, 0 insertions, 145 deletions

diff --git a/sys/cam/cam_extend.c b/sys/cam/cam_extend.c
deleted file mode 100644
index b6d4133..0000000
--- a/sys/cam/cam_extend.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Written by Julian Elischer (julian@tfs.com)
- * for TRW Financial Systems for use under the MACH(2.5) operating system.
- *
- * TRW Financial Systems, in accordance with their agreement with Carnegie
- * Mellon University, makes this software available to CMU to distribute
- * or use in any manner that they see fit as long as this message is kept with
- * the software. For this reason TFS also grants any other persons or
- * organisations permission to use or modify this software.
- *
- * TFS supplies this software to be publicly redistributed
- * on the understanding that TFS is not responsible for the correct
- * functioning of this software in any circumstances.
- *
- * $FreeBSD$
- */
-/*
- * XXX XXX XXX XXX  We should get DEVFS working so that we
- * don't have to do this, possibly sparse, array based junk.
- * XXX: We can do this now with dev_t, that's even better.
- */
-/*
- * Extensible arrays: Use a realloc like implementation to permit
- * the arrays to be extend.
- */
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/malloc.h>
-
-#include <cam/cam_extend.h>
-
-struct extend_array
-{
-	int nelem;
-	void **ps;
-};
-
-static void *
-cam_extend_alloc(size_t s)
-{
-	void *p = malloc(s, M_DEVBUF, M_NOWAIT);
-	if (!p)
-		panic("extend_alloc: malloc failed.");
-	return p;
-}
-
-static void
-cam_extend_free(void *p)
-{
-	free(p, M_DEVBUF);
-}
-
-/* EXTEND_CHUNK: Number of extend slots to allocate whenever we need a new
- * one.
- */
-#ifndef EXTEND_CHUNK
-	#define EXTEND_CHUNK 8
-#endif
-
-struct extend_array *
-cam_extend_new(void)
-{
-	struct extend_array *p = cam_extend_alloc(sizeof(*p));
-	if (p) {
-		p->nelem = 0;
-		p->ps = 0;
-	}
-
-	return p;
-}
-
-void *
-cam_extend_set(struct extend_array *ea, int index, void *value)
-{
-	if (index >= ea->nelem) {
-		void **space;
-		space = cam_extend_alloc(sizeof(void *) * (index + EXTEND_CHUNK));
-		bzero(space, sizeof(void *) * (index + EXTEND_CHUNK));
-
-		/* Make sure we have something to copy before we copy it */
-		if (ea->nelem) {
-			bcopy(ea->ps, space, sizeof(void *) * ea->nelem);
-			cam_extend_free(ea->ps);
-		}
-
-		ea->ps = space;
-		ea->nelem = index + EXTEND_CHUNK;
-	}
-	if (ea->ps[index]) {
-		printf("extend_set: entry %d already has storage.\n", index);
-		return 0;
-	}
-	else
-		ea->ps[index] = value;
-
-	return value;
-}
-
-void *
-cam_extend_get(struct extend_array *ea,
-	       int index)
-{
-	if (ea == NULL || index >= ea->nelem || index < 0)
-		return NULL;
-	return ea->ps[index];
-}
-
-void
-cam_extend_release(struct extend_array *ea, int index)
-{
-	void *p = cam_extend_get(ea, index);
-	if (p) {
-		ea->ps[index] = 0;
-	}
-}
diff --git a/sys/cam/cam_extend.h b/sys/cam/cam_extend.h
deleted file mode 100644
index 1ac3835..0000000
--- a/sys/cam/cam_extend.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Written by Julian Elischer (julian@tfs.com)
- * for TRW Financial Systems for use under the MACH(2.5) operating system.
- *
- * TRW Financial Systems, in accordance with their agreement with Carnegie
- * Mellon University, makes this software available to CMU to distribute
- * or use in any manner that they see fit as long as this message is kept with
- * the software. For this reason TFS also grants any other persons or
- * organisations permission to use or modify this software.
- *
- * TFS supplies this software to be publicly redistributed
- * on the understanding that TFS is not responsible for the correct
- * functioning of this software in any circumstances.
- *
- * $FreeBSD$
- */
-
-#ifndef _CAM_CAM_EXTEND_H
-#define _CAM_CAM_EXTEND_H 1
-
-#ifdef _KERNEL
-struct extend_array;
-
-void *cam_extend_get(struct extend_array *ea, int index);	
-struct extend_array *cam_extend_new(void);
-void *cam_extend_set(struct extend_array *ea, int index, void *value);
-void cam_extend_release(struct extend_array *ea, int index);
-
-#endif
-#endif /* _CAM_CAM_EXTEND_H */