LU-11838 llite: address_space ->page_tree renamed ->i_pages

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

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 3dffc2c..4245ba7 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -3058,6 +3058,26 @@ bi_bdev, [
 ]) # LC_BI_BDEV
 
 #
+# LC_I_PAGES
+#
+# kernel 4.17 commit b93b016313b3ba8003c3b8bb71f569af91f19fc7
+#
+AC_DEFUN([LC_I_PAGES], [
+LB_CHECK_COMPILE([if struct address_space has i_pages],
+i_pages, [
+       #include <linux/fs.h>
+],[
+       struct address_space mapping = {};
+       void *i_pages;
+
+       i_pages = &mapping.i_pages;
+],[
+       AC_DEFINE(HAVE_I_PAGES, 1,
+               [struct address_space has i_pages])
+])
+]) # LC_I_PAGES
+
+#
 # LC_PROG_LINUX
 #
 # Lustre linux kernel checks
@@ -3302,6 +3322,9 @@ AC_DEFUN([LC_PROG_LINUX], [
        LC_PAGEVEC_INIT_ONE_PARAM
        LC_BI_BDEV
 
+       # 4.17
+       LC_I_PAGES
+
        # kernel patch to extend integrity interface
        LC_BIO_INTEGRITY_PREP_FN