include/linux/ceph/ceph_features.h

   1 #ifndef __CEPH_FEATURES
   2 #define __CEPH_FEATURES
   3
   4 /*
   5  * feature bits
   6  */
   7 #define CEPH_FEATURE_UID            (1<<0)
   8 #define CEPH_FEATURE_NOSRCADDR      (1<<1)
   9 #define CEPH_FEATURE_MONCLOCKCHECK  (1<<2)
  10 #define CEPH_FEATURE_FLOCK          (1<<3)
  11 #define CEPH_FEATURE_SUBSCRIBE2     (1<<4)
  12 #define CEPH_FEATURE_MONNAMES       (1<<5)
  13 #define CEPH_FEATURE_RECONNECT_SEQ  (1<<6)
  14 #define CEPH_FEATURE_DIRLAYOUTHASH  (1<<7)
  15 /* bits 8-17 defined by user-space; not supported yet here */
  16 #define CEPH_FEATURE_CRUSH_TUNABLES (1<<18)
  17
  18 /*
  19  * Features supported.
  20  */
  21 #define CEPH_FEATURES_SUPPORTED_DEFAULT  \
  22         (CEPH_FEATURE_NOSRCADDR |        \
  23          CEPH_FEATURE_CRUSH_TUNABLES)
  24
  25 #define CEPH_FEATURES_REQUIRED_DEFAULT   \
  26         (CEPH_FEATURE_NOSRCADDR)
  27 #endif