1 files changed, 0 insertions, 156 deletions
diff --git a/common/zfs/zfeature_common.c b/common/zfs/zfeature_common.c
deleted file mode 100644
index 9c0b67b42452..000000000000
--- a/common/zfs/zfeature_common.c
+++ /dev/null
@@ -1,156 +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 (c) 2012 by Delphix. All rights reserved.
- */
-
-#ifdef _KERNEL
-#include <sys/systm.h>
-#else
-#include <errno.h>
-#include <string.h>
-#endif
-#include <sys/debug.h>
-#include <sys/fs/zfs.h>
-#include <sys/inttypes.h>
-#include <sys/types.h>
-#include "zfeature_common.h"
-
-/*
- * Set to disable all feature checks while opening pools, allowing pools with
- * unsupported features to be opened. Set for testing only.
- */
-boolean_t zfeature_checks_disable = B_FALSE;
-
-zfeature_info_t spa_feature_table[SPA_FEATURES];
-
-/*
- * Valid characters for feature guids. This list is mainly for aesthetic
- * purposes and could be expanded in the future. There are different allowed
- * characters in the guids reverse dns portion (before the colon) and its
- * short name (after the colon).
- */
-static int
-valid_char(char c, boolean_t after_colon)
-{
-	return ((c >= 'a' && c <= 'z') ||
-	    (c >= '0' && c <= '9') ||
-	    c == (after_colon ? '_' : '.'));
-}
-
-/*
- * Every feature guid must contain exactly one colon which separates a reverse
- * dns organization name from the feature's "short" name (e.g.
- * "com.company:feature_name").
- */
-boolean_t
-zfeature_is_valid_guid(const char *name)
-{
-	int i;
-	boolean_t has_colon = B_FALSE;
-
-	i = 0;
-	while (name[i] != '\0') {
-		char c = name[i++];
-		if (c == ':') {
-			if (has_colon)
-				return (B_FALSE);
-			has_colon = B_TRUE;
-			continue;
-		}
-		if (!valid_char(c, has_colon))
-			return (B_FALSE);
-	}
-
-	return (has_colon);
-}
-
-boolean_t
-zfeature_is_supported(const char *guid)
-{
-	if (zfeature_checks_disable)
-		return (B_TRUE);
-
-	return (0 == zfeature_lookup_guid(guid, NULL));
-}
-
-int
-zfeature_lookup_guid(const char *guid, zfeature_info_t **res)
-{
-	for (int i = 0; i < SPA_FEATURES; i++) {
-		zfeature_info_t *feature = &spa_feature_table[i];
-		if (strcmp(guid, feature->fi_guid) == 0) {
-			if (res != NULL)
-				*res = feature;
-			return (0);
-		}
-	}
-
-	return (ENOENT);
-}
-
-int
-zfeature_lookup_name(const char *name, zfeature_info_t **res)
-{
-	for (int i = 0; i < SPA_FEATURES; i++) {
-		zfeature_info_t *feature = &spa_feature_table[i];
-		if (strcmp(name, feature->fi_uname) == 0) {
-			if (res != NULL)
-				*res = feature;
-			return (0);
-		}
-	}
-
-	return (ENOENT);
-}
-
-static void
-zfeature_register(int fid, const char *guid, const char *name, const char *desc,
-    boolean_t readonly, boolean_t mos, zfeature_info_t **deps)
-{
-	zfeature_info_t *feature = &spa_feature_table[fid];
-	static zfeature_info_t *nodeps[] = { NULL };
-
-	ASSERT(name != NULL);
-	ASSERT(desc != NULL);
-	ASSERT(!readonly || !mos);
-	ASSERT3U(fid, <, SPA_FEATURES);
-	ASSERT(zfeature_is_valid_guid(guid));
-
-	if (deps == NULL)
-		deps = nodeps;
-
-	feature->fi_guid = guid;
-	feature->fi_uname = name;
-	feature->fi_desc = desc;
-	feature->fi_can_readonly = readonly;
-	feature->fi_mos = mos;
-	feature->fi_depends = deps;
-}
-
-void
-zpool_feature_init(void)
-{
-	zfeature_register(SPA_FEATURE_ASYNC_DESTROY,
-	    "com.delphix:async_destroy", "async_destroy",
-	    "Destroy filesystems asynchronously.", B_TRUE, B_FALSE, NULL);
-}