LU-9558 llite: generic_readlink is no longer exported

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

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 46d2ca8..77d6a98 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -2467,6 +2467,25 @@ struct_posix_acl_xattr, [
 ]) # LC_STRUCT_POSIX_ACL_XATTR
 
 #
+# LC_IOP_GENERIC_READLINK
+#
+# Kernel version 4.10 commit dfeef68862edd7d4bafe68ef7aeb5f658ef24bb5
+# removed generic_readlink from individual file systems
+#
+AC_DEFUN([LC_IOP_GENERIC_READLINK], [
+LB_CHECK_COMPILE([if 'generic_readlink' still exist],
+inode_ops_readlink, [
+       #include <linux/fs.h>
+],[
+       struct inode_operations iop;
+       iop.readlink = generic_readlink;
+],[
+       AC_DEFINE(HAVE_IOP_GENERIC_READLINK, 1,
+               [generic_readlink has been removed])
+])
+]) # LC_IOP_GENERIC_READLINK
+
+#
 # LC_PROG_LINUX
 #
 # Lustre linux kernel checks
@@ -2670,6 +2689,9 @@ AC_DEFUN([LC_PROG_LINUX], [
        # 4.9
        LC_GROUP_INFO_GID
 
+       # 4.10
+       LC_IOP_GENERIC_READLINK
+
        #
        AS_IF([test "x$enable_server" != xno], [
                LC_FUNC_DEV_SET_RDONLY