LU-12542 lustre: remove INIT_LIST_HEAD_RCU support.

[fs/lustre-release.git] / lustre / autoconf / lustre-core.m4

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 1e23d85..9e53606 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -591,27 +591,6 @@ kiocb_ki_left, [
 ]) # LC_KIOCB_KI_LEFT
 
 #
-# LC_INIT_LIST_HEAD_RCU
-#
-# 3.12 added INIT_LIST_HEAD_RCU in commit 2a855b644c310d5db5
-# which is unfortunately an inline function and not a macro
-# that can be tested directly, so it needs a configure check.
-#
-AC_DEFUN([LC_INIT_LIST_HEAD_RCU], [
-LB_CHECK_COMPILE([if 'INIT_LIST_HEAD_RCU' exists],
-init_list_head_rcu, [
-       #include <linux/list.h>
-       #include <linux/rculist.h>
-],[
-       struct list_head list;
-       INIT_LIST_HEAD_RCU(&list);
-],[
-       AC_DEFINE(HAVE_INIT_LIST_HEAD_RCU, 1,
-                 [INIT_LIST_HEAD_RCU exists])
-])
-]) # LC_INIT_LIST_HEAD_RCU
-
-#
 # LC_VFS_RENAME_5ARGS
 #
 # 3.13 has vfs_rename with 5 args
@@ -2207,7 +2186,6 @@ AC_DEFUN([LC_PROG_LINUX], [
        LC_OLDSIZE_TRUNCATE_PAGECACHE
        LC_PTR_ERR_OR_ZERO_MISSING
        LC_KIOCB_KI_LEFT
-       LC_INIT_LIST_HEAD_RCU
 
        # 3.13
        LC_VFS_RENAME_5ARGS