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-rw-r--r--include/linux/vfs_compat.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/vfs_compat.h b/include/linux/vfs_compat.h
index c4e1771ae..c9fa76ece 100644
--- a/include/linux/vfs_compat.h
+++ b/include/linux/vfs_compat.h
@@ -95,6 +95,14 @@ bdi_setup_and_register(struct backing_dev_info *bdi,char *name,unsigned int cap)
#endif /* HAVE_BDI && !HAVE_BDI_SETUP_AND_REGISTER */
/*
+ * 2.6.38 API change,
+ * LOOKUP_RCU flag introduced to distinguish rcu-walk from ref-walk cases.
+ */
+#ifndef LOOKUP_RCU
+#define LOOKUP_RCU 0x0
+#endif /* LOOKUP_RCU */
+
+/*
* 3.2-rc1 API change,
* Add set_nlink() if it is not exported by the Linux kernel.
*