LU-1305 osd: new index flag DT_IND_RANGE

introduced in orion to recognize whether the index support
range lookups (used by fldb)

Signed-off-by: Alex Zhuravlev <bzzz@whamcloud.com>
Change-Id: I40efa613697ebe8394557d5f687132ca9f542859
Reviewed-on: http://review.whamcloud.com/2883
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>

diff --git a/lustre/include/dt_object.h b/lustre/include/dt_object.h
index d05b002..7e41e6c 100644 (file)
--- a/lustre/include/dt_object.h
+++ b/lustre/include/dt_object.h
@@ -200,7 +200,12 @@ enum dt_index_flags {
         /** index can be modified */
         DT_IND_UPDATE = 1 << 2,
         /** index supports records with non-unique (duplicate) keys */
         /** index can be modified */
         DT_IND_UPDATE = 1 << 2,
         /** index supports records with non-unique (duplicate) keys */

-        DT_IND_NONUNQ = 1 << 3
+        DT_IND_NONUNQ = 1 << 3,
+        /**
+         * index support fixed-size keys sorted with natural numerical way
+         * and is able to return left-side value if no exact value found
+         */
+        DT_IND_RANGE = 1 << 4,

 };
 
 /**
 };
 
 /**