LU-2800 autoconf: remove LC_UNREGISTER_BLKDEV_RETURN_INT test

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

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 9544315..1ace1f6 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -442,25 +442,6 @@ LB_LINUX_TRY_COMPILE([
 ])
 ])
 
-# 2.6.23
-
-# 2.6.23 have return type 'void' for unregister_blkdev
-AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT],
-[AC_MSG_CHECKING([if unregister_blkdev return int])
-LB_LINUX_TRY_COMPILE([
-        #include <linux/fs.h>
-],[
-        int i __attribute__ ((unused));
-        i = unregister_blkdev(0,NULL);
-],[
-        AC_MSG_RESULT([yes])
-        AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1,
-                [unregister_blkdev return int])
-],[
-        AC_MSG_RESULT([no])
-])
-])
-
 # 2.6.24
 
 # 2.6.24 has bio_endio with 2 args
@@ -1537,9 +1518,6 @@ AC_DEFUN([LC_PROG_LINUX],
         # 2.6.22
          LC_FS_RENAME_DOES_D_MOVE
 
-         # 2.6.23
-         LC_UNREGISTER_BLKDEV_RETURN_INT
-
          # 2.6.24
          LC_BIO_ENDIO_2ARG
          LC_PROCFS_DELETED