LU-2441 mdd: Implement volatile file

[fs/lustre-release.git] / lustre / include / lustre / lustre_user.h

diff --git a/lustre/include/lustre/lustre_user.h b/lustre/include/lustre/lustre_user.h
index 943294d..baa3373 100644 (file)
--- a/lustre/include/lustre/lustre_user.h
+++ b/lustre/include/lustre/lustre_user.h
@@ -466,6 +466,14 @@ enum {
 
 #endif /* !__KERNEL__ */
 
+/* lustre volatile file support
+ * file name header: .^L^S^T^R:volatile"
+ */
+#define LUSTRE_VOLATILE_HDR    ".\x0c\x13\x14\x12:VOLATILE"
+#define LUSTRE_VOLATILE_HDR_LEN        14
+/* hdr + MDT index */
+#define LUSTRE_VOLATILE_IDX    LUSTRE_VOLATILE_HDR":%.4X:"
+
 typedef enum lustre_quota_version {
         LUSTRE_QUOTA_V2 = 1
 } lustre_quota_version_t;