LU-8025 llite: make vvp_io_write_start lockless for newer kernels

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

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index f47d26c..77e0059 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -1377,6 +1377,22 @@ bio_end_sector, [
 ]) # LC_HAVE_BIO_END_SECTOR
 
 #
+# 3.9 created is_sxid
+#
+AC_DEFUN([LC_HAVE_IS_SXID], [
+LB_CHECK_COMPILE([if 'is_sxid' is defined],
+is_sxid, [
+       #include <linux/fs.h>
+],[
+       struct inode inode;
+
+       is_sxid(inode.i_mode);
+],[
+       AC_DEFINE(HAVE_IS_SXID, 1, [is_sxid is defined])
+])
+]) # LC_HAVE_IS_SXID
+
+#
 # LC_HAVE_REMOVE_PROC_SUBTREE
 #
 # 3.10 introduced remove_proc_subtree
@@ -2288,6 +2304,7 @@ AC_DEFUN([LC_PROG_LINUX], [
        # 3.9
        LC_HAVE_HLIST_FOR_EACH_3ARG
        LC_HAVE_BIO_END_SECTOR
+       LC_HAVE_IS_SXID
 
        # 3.10
        LC_BLKDEV_RELEASE_RETURN_INT