Cleanup dead spa_boot code

Unused code detected by coverity.

Reviewed-by: Allan Jude <[email protected]>
Reviewed-by: Ryan Moeller <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Neal Gompa <[email protected]>
Signed-off-by: Richard Yao <[email protected]>
Closes #13868 

7 files changed, 0 insertions, 56 deletions

diff --git a/module/Kbuild.in b/module/Kbuild.in
index 4803952cb..7a20e6ee4 100644
--- a/module/Kbuild.in
+++ b/module/Kbuild.in
@@ -345,7 +345,6 @@ ZFS_OBJS := \
 	sha256.o \
 	skein_zfs.o \
 	spa.o \
-	spa_boot.o \
 	spa_checkpoint.o \
 	spa_config.o \
 	spa_errlog.o \
diff --git a/module/Makefile.bsd b/module/Makefile.bsd
index 050b6c21e..8829ad942 100644
--- a/module/Makefile.bsd
+++ b/module/Makefile.bsd
@@ -271,7 +271,6 @@ SRCS+=	abd.c \
 	sha256.c \
 	skein_zfs.c \
 	spa.c \
-	spa_boot.c \
 	spa_checkpoint.c \
 	spa_config.c \
 	spa_errlog.c \
diff --git a/module/os/freebsd/zfs/spa_os.c b/module/os/freebsd/zfs/spa_os.c
index 251fafcc9..9bc61a6c8 100644
--- a/module/os/freebsd/zfs/spa_os.c
+++ b/module/os/freebsd/zfs/spa_os.c
@@ -58,7 +58,6 @@
 #include <sys/fs/zfs.h>
 #include <sys/arc.h>
 #include <sys/callb.h>
-#include <sys/spa_boot.h>
 #include <sys/zfs_ioctl.h>
 #include <sys/dsl_scan.h>
 #include <sys/dmu_send.h>
diff --git a/module/os/freebsd/zfs/zfs_vfsops.c b/module/os/freebsd/zfs/zfs_vfsops.c
index 4e4a5f8d2..8b60b34d8 100644
--- a/module/os/freebsd/zfs/zfs_vfsops.c
+++ b/module/os/freebsd/zfs/zfs_vfsops.c
@@ -62,7 +62,6 @@
 #include <sys/sunddi.h>
 #include <sys/dmu_objset.h>
 #include <sys/dsl_dir.h>
-#include <sys/spa_boot.h>
 #include <sys/jail.h>
 #include <ufs/ufs/quota.h>
 #include <sys/zfs_quota.h>
diff --git a/module/os/linux/zfs/zfs_vfsops.c b/module/os/linux/zfs/zfs_vfsops.c
index eac3dcb6a..d0575fe5e 100644
--- a/module/os/linux/zfs/zfs_vfsops.c
+++ b/module/os/linux/zfs/zfs_vfsops.c
@@ -56,7 +56,6 @@
 #include <sys/sunddi.h>
 #include <sys/dmu_objset.h>
 #include <sys/dsl_dir.h>
-#include <sys/spa_boot.h>
 #include <sys/objlist.h>
 #include <sys/zpl.h>
 #include <linux/vfs_compat.h>
diff --git a/module/zfs/spa.c b/module/zfs/spa.c
index b2b59af42..eeec3b6be 100644
--- a/module/zfs/spa.c
+++ b/module/zfs/spa.c
@@ -81,7 +81,6 @@
 #include <sys/arc.h>
 #include <sys/callb.h>
 #include <sys/systeminfo.h>
-#include <sys/spa_boot.h>
 #include <sys/zfs_ioctl.h>
 #include <sys/dsl_scan.h>
 #include <sys/zfeature.h>
diff --git a/module/zfs/spa_boot.c b/module/zfs/spa_boot.c
deleted file mode 100644
index fddb5c3c9..000000000
--- a/module/zfs/spa_boot.c
+++ /dev/null
@@ -1,50 +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 https://opensource.org/licenses/CDDL-1.0.
- * 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 2009 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
- */
-
-#ifdef _KERNEL
-
-#include <sys/zio.h>
-#include <sys/spa_boot.h>
-#include <sys/sunddi.h>
-
-char *
-spa_get_bootprop(char *propname)
-{
-	char *value;
-
-	if (ddi_prop_lookup_string(DDI_DEV_T_ANY, ddi_root_node(),
-	    DDI_PROP_DONTPASS, propname, &value) != DDI_SUCCESS)
-		return (NULL);
-	return (value);
-}
-
-void
-spa_free_bootprop(char *value)
-{
-	ddi_prop_free(value);
-}
-
-#endif /* _KERNEL */