LU-9558 llite: user enhanced getattr functionality in 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 236bd77..bc593c4 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -2633,6 +2633,26 @@ vm_fault_address, [
 ]) # LC_HAVE_VM_FAULT_ADDRESS
 
 #
+# LC_INODEOPS_ENHANCED_GETATTR
+#
+# Kernel version 4.11 commit a528d35e8bfcc521d7cb70aaf03e1bd296c8493f
+# expanded getattr to be able to get more stat information.
+#
+AC_DEFUN([LC_INODEOPS_ENHANCED_GETATTR], [
+LB_CHECK_COMPILE([if 'inode_operations' getattr member can gather advance stats],
+getattr_path, [
+       #include <linux/fs.h>
+],[
+       struct path path;
+
+       ((struct inode_operations *)1)->getattr(&path, NULL, 0, 0);
+],[
+       AC_DEFINE(HAVE_INODEOPS_ENHANCED_GETATTR, 1,
+               [inode_operations .getattr member function can gather advance stats])
+])
+]) # LC_INODEOPS_ENHANCED_GETATTR
+
+#
 # LC_VM_OPERATIONS_REMOVE_VMF_ARG
 #
 # Kernel version 4.11 commit 11bac80004499ea59f361ef2a5516c84b6eab675
@@ -2872,6 +2892,7 @@ AC_DEFUN([LC_PROG_LINUX], [
        LC_HAVE_VM_FAULT_ADDRESS
 
        # 4.11
+       LC_INODEOPS_ENHANCED_GETATTR
        LC_VM_OPERATIONS_REMOVE_VMF_ARG
 
        #