LU-4287 autoconf: Improve test for proc write and read functions

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

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 8124d2c..f47bc5f 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -1258,13 +1258,12 @@ AC_DEFUN([LC_HAVE_ONLY_PROCFS_SEQ],
 LB_LINUX_TRY_COMPILE([
        #include <linux/proc_fs.h>
 ],[
-       struct inode *inode = NULL;
-       PDE_DATA(inode);
+       ((struct proc_dir_entry *)0)->write_proc(NULL, NULL, 0, NULL);
+],[
+       AC_MSG_RESULT([no])
 ],[
        AC_DEFINE(HAVE_ONLY_PROCFS_SEQ, 1, [only seq_files supported])
        AC_MSG_RESULT([yes])
-],[
-       AC_MSG_RESULT([no])
 ])
 ])