1 files changed, 0 insertions, 107 deletions
diff --git a/sys/contrib/opensolaris/uts/common/fs/zfs/unique.c b/sys/contrib/opensolaris/uts/common/fs/zfs/unique.c
deleted file mode 100644
index b52e729..0000000
--- a/sys/contrib/opensolaris/uts/common/fs/zfs/unique.c
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-/*
- * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
- */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
-#include <sys/zfs_context.h>
-#include <sys/avl.h>
-#include <sys/unique.h>
-
-static avl_tree_t unique_avl;
-static kmutex_t unique_mtx;	/* Lock never initialized. */
-SX_SYSINIT(unique, &unique_mtx, "unique lock");
-
-typedef struct unique {
-	avl_node_t un_link;
-	uint64_t un_value;
-} unique_t;
-
-#define	UNIQUE_MASK ((1ULL << UNIQUE_BITS) - 1)
-
-static int
-unique_compare(const void *a, const void *b)
-{
-	const unique_t *una = a;
-	const unique_t *unb = b;
-
-	if (una->un_value < unb->un_value)
-		return (-1);
-	if (una->un_value > unb->un_value)
-		return (+1);
-	return (0);
-}
-
-void
-unique_init(void)
-{
-	avl_create(&unique_avl, unique_compare,
-	    sizeof (unique_t), offsetof(unique_t, un_link));
-}
-
-uint64_t
-unique_create(void)
-{
-	return (unique_insert(0));
-}
-
-uint64_t
-unique_insert(uint64_t value)
-{
-	avl_index_t idx;
-	unique_t *un = kmem_alloc(sizeof (unique_t), KM_SLEEP);
-
-	un->un_value = value;
-
-	mutex_enter(&unique_mtx);
-	while (un->un_value == 0 || un->un_value & ~UNIQUE_MASK ||
-	    avl_find(&unique_avl, un, &idx)) {
-		mutex_exit(&unique_mtx);
-		(void) random_get_pseudo_bytes((void*)&un->un_value,
-		    sizeof (un->un_value));
-		un->un_value &= UNIQUE_MASK;
-		mutex_enter(&unique_mtx);
-	}
-
-	avl_insert(&unique_avl, un, idx);
-	mutex_exit(&unique_mtx);
-
-	return (un->un_value);
-}
-
-void
-unique_remove(uint64_t value)
-{
-	unique_t un_tofind;
-	unique_t *un;
-
-	un_tofind.un_value = value;
-	mutex_enter(&unique_mtx);
-	un = avl_find(&unique_avl, &un_tofind, NULL);
-	if (un != NULL) {
-		avl_remove(&unique_avl, un);
-		kmem_free(un, sizeof (unique_t));
-	}
-	mutex_exit(&unique_mtx);
-}