b=23371 Further patch for i_data_sem deadlock.

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

diff --git a/libcfs/autoconf/lustre-libcfs.m4 b/libcfs/autoconf/lustre-libcfs.m4
index c1ba576..6932513 100644 (file)
--- a/libcfs/autoconf/lustre-libcfs.m4
+++ b/libcfs/autoconf/lustre-libcfs.m4
@@ -60,46 +60,6 @@ fi
 ])
 
 #
-# LIBCFS_STRUCT_PAGE_LIST
-#
-# 2.6.4 no longer has page->list
-#
-AC_DEFUN([LIBCFS_STRUCT_PAGE_LIST],
-[AC_MSG_CHECKING([if struct page has a list field])
-LB_LINUX_TRY_COMPILE([
-       #include <linux/mm.h>
-],[
-       struct page page;
-       &page.list;
-],[
-       AC_MSG_RESULT([yes])
-       AC_DEFINE(HAVE_PAGE_LIST, 1, [struct page has a list field])
-],[
-       AC_MSG_RESULT([no])
-])
-])
-
-#
-# LIBCFS_STRUCT_SIGHAND
-#
-# red hat 2.4 adds sighand to struct task_struct
-#
-AC_DEFUN([LIBCFS_STRUCT_SIGHAND],
-[AC_MSG_CHECKING([if task_struct has a sighand field])
-LB_LINUX_TRY_COMPILE([
-       #include <linux/sched.h>
-],[
-       struct task_struct p;
-       p.sighand = NULL;
-],[
-       AC_DEFINE(CONFIG_RH_2_4_20, 1, [this kernel contains Red Hat 2.4.20 patches])
-       AC_MSG_RESULT([yes])
-],[
-       AC_MSG_RESULT([no])
-])
-])
-
-#
 # LIBCFS_FUNC_CPU_ONLINE
 #
 # cpu_online is different in rh 2.4, vanilla 2.4, and 2.6
@@ -107,14 +67,14 @@ LB_LINUX_TRY_COMPILE([
 AC_DEFUN([LIBCFS_FUNC_CPU_ONLINE],
 [AC_MSG_CHECKING([if kernel defines cpu_online()])
 LB_LINUX_TRY_COMPILE([
-       #include <linux/sched.h>
+       #include <linux/sched.h>
 ],[
-       cpu_online(0);
+       cpu_online(0);
 ],[
-       AC_MSG_RESULT([yes])
-       AC_DEFINE(HAVE_CPU_ONLINE, 1, [cpu_online found])
+       AC_MSG_RESULT([yes])
+       AC_DEFINE(HAVE_CPU_ONLINE, 1, [cpu_online found])
 ],[
-       AC_MSG_RESULT([no])
+       AC_MSG_RESULT([no])
 ])
 ])
 
@@ -138,25 +98,6 @@ LB_LINUX_TRY_COMPILE([
 ])
 
 #
-# LIBCFS_TYPE_CPUMASK_T
-#
-# same goes for cpumask_t
-#
-AC_DEFUN([LIBCFS_TYPE_CPUMASK_T],
-[AC_MSG_CHECKING([if kernel defines cpumask_t])
-LB_LINUX_TRY_COMPILE([
-       #include <linux/sched.h>
-],[
-       return sizeof (cpumask_t);
-],[
-       AC_MSG_RESULT([yes])
-       AC_DEFINE(HAVE_CPUMASK_T, 1, [cpumask_t found])
-],[
-       AC_MSG_RESULT([no])
-])
-])
-
-#
 # LIBCFS_FUNC_SHOW_TASK
 #
 # we export show_task(), but not all kernels have it (yet)
@@ -688,11 +629,8 @@ AC_DEFUN([LIBCFS_PROG_LINUX],
 [
 LIBCFS_FUNC_CPU_ONLINE
 LIBCFS_TYPE_GFP_T
-LIBCFS_TYPE_CPUMASK_T
 LIBCFS_CONFIG_PANIC_DUMPLOG
 
-LIBCFS_STRUCT_PAGE_LIST
-LIBCFS_STRUCT_SIGHAND
 LIBCFS_FUNC_SHOW_TASK
 LIBCFS_U64_LONG_LONG
 LIBCFS_TASK_RCU