LU-11025 dne: introduce new directory hash type: "crush"

[fs/lustre-release.git] / lustre / include / uapi / linux / lustre / lustre_idl.h

diff --git a/lustre/include/uapi/linux/lustre/lustre_idl.h b/lustre/include/uapi/linux/lustre/lustre_idl.h
index 720119d..3ff800f 100644 (file)
--- a/lustre/include/uapi/linux/lustre/lustre_idl.h
+++ b/lustre/include/uapi/linux/lustre/lustre_idl.h
@@ -900,7 +900,8 @@ struct ptlrpc_body_v2 {
                                OBD_CONNECT2_SELINUX_POLICY | \
                                OBD_CONNECT2_LSOM | \
                                OBD_CONNECT2_ASYNC_DISCARD | \
-                               OBD_CONNECT2_PCC)
+                               OBD_CONNECT2_PCC | \
+                               OBD_CONNECT2_CRUSH)
 
 #define OST_CONNECT_SUPPORTED  (OBD_CONNECT_SRVLOCK | OBD_CONNECT_GRANT | \
                                OBD_CONNECT_REQPORTAL | OBD_CONNECT_VERSION | \
@@ -2267,6 +2268,9 @@ static inline __u64 lustre_hash_fnv_1a_64(const void *buf, __kernel_size_t size)
        return hash;
 }
 
+/* CRUSH placement group count */
+#define LMV_CRUSH_PG_COUNT     4096
+
 union lmv_mds_md {
        __u32                    lmv_magic;
        struct lmv_mds_md_v1     lmv_md_v1;