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-rw-r--r--config/kernel-dentry-operations.m419
-rw-r--r--config/kernel.m41
2 files changed, 20 insertions, 0 deletions
diff --git a/config/kernel-dentry-operations.m4 b/config/kernel-dentry-operations.m4
index 5685b7d6f..dfbea7dfd 100644
--- a/config/kernel-dentry-operations.m4
+++ b/config/kernel-dentry-operations.m4
@@ -62,3 +62,22 @@ AC_DEFUN([ZFS_AC_KERNEL_D_SET_D_OP],
AC_MSG_RESULT(no)
])
])
+
+dnl #
+dnl # 2.6.38 API chage
+dnl # Added sb->s_d_op default dentry_operations member
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_S_D_OP],
+ [AC_MSG_CHECKING([whether super_block has s_d_op])
+ ZFS_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+ ],[
+ struct super_block sb __attribute__ ((unused));
+ sb.s_d_op = NULL;
+ ], [
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_S_D_OP, 1, [struct super_block has s_d_op])
+ ], [
+ AC_MSG_RESULT(no)
+ ])
+])
diff --git a/config/kernel.m4 b/config/kernel.m4
index 58a808011..fd6ab1f9a 100644
--- a/config/kernel.m4
+++ b/config/kernel.m4
@@ -71,6 +71,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
ZFS_AC_KERNEL_CALLBACK_SECURITY_INODE_INIT_SECURITY
ZFS_AC_KERNEL_MOUNT_NODEV
ZFS_AC_KERNEL_SHRINK
+ ZFS_AC_KERNEL_S_D_OP
ZFS_AC_KERNEL_BDI
ZFS_AC_KERNEL_BDI_SETUP_AND_REGISTER
ZFS_AC_KERNEL_SET_NLINK