#include "sys/types.h"
/*
- * Each time we reclaim bits for reuse we need to specify another bit
- * that, if present, indicates we have the new incarnation of that
- * feature. Base case is 1 (first use)
+ * Each time we reclaim bits for reuse we need to specify another
+ * bitmask that, if all bits are set, indicates we have the new
+ * incarnation of that feature. Base case is 1 (first use)
*/
#define CEPH_FEATURE_INCARNATION_1 (0ull)
-#define CEPH_FEATURE_INCARNATION_2 (1ull<<57) // CEPH_FEATURE_SERVER_JEWEL
+#define CEPH_FEATURE_INCARNATION_2 (1ull<<57) // SERVER_JEWEL
+#define CEPH_FEATURE_INCARNATION_3 ((1ull<<57)|(1ull<<28)) // SERVER_MIMIC
#define DEFINE_CEPH_FEATURE(bit, incarnation, name) \
const static uint64_t CEPH_FEATURE_##name = (1ULL<<bit); \
* the bit ever speak to each other.
*/
+/*
+ * Notes on the kernel client:
+ *
+ * - "X" means that the feature bit has been advertised and supported
+ * since kernel X
+ *
+ * - "X req" means that the feature bit has been advertised and required
+ * since kernel X
+ *
+ * The remaining feature bits are not and have never been used by the
+ * kernel client.
+ */
+
DEFINE_CEPH_FEATURE( 0, 1, UID)
-DEFINE_CEPH_FEATURE( 1, 1, NOSRCADDR)
+DEFINE_CEPH_FEATURE( 1, 1, NOSRCADDR) // 2.6.35 req
DEFINE_CEPH_FEATURE_RETIRED( 2, 1, MONCLOCKCHECK, JEWEL, LUMINOUS)
-
-DEFINE_CEPH_FEATURE( 3, 1, FLOCK)
-DEFINE_CEPH_FEATURE( 4, 1, SUBSCRIBE2)
+DEFINE_CEPH_FEATURE( 2, 3, SERVER_NAUTILUS)
+DEFINE_CEPH_FEATURE( 3, 1, FLOCK) // 2.6.36
+DEFINE_CEPH_FEATURE( 4, 1, SUBSCRIBE2) // 4.6 req
DEFINE_CEPH_FEATURE( 5, 1, MONNAMES)
-DEFINE_CEPH_FEATURE( 6, 1, RECONNECT_SEQ)
-DEFINE_CEPH_FEATURE( 7, 1, DIRLAYOUTHASH)
+DEFINE_CEPH_FEATURE( 6, 1, RECONNECT_SEQ) // 3.10 req
+DEFINE_CEPH_FEATURE( 7, 1, DIRLAYOUTHASH) // 2.6.38
DEFINE_CEPH_FEATURE( 8, 1, OBJECTLOCATOR)
-DEFINE_CEPH_FEATURE( 9, 1, PGID64)
+DEFINE_CEPH_FEATURE( 9, 1, PGID64) // 3.9 req
DEFINE_CEPH_FEATURE(10, 1, INCSUBOSDMAP)
-DEFINE_CEPH_FEATURE(11, 1, PGPOOL3)
+DEFINE_CEPH_FEATURE(11, 1, PGPOOL3) // 3.9 req
DEFINE_CEPH_FEATURE(12, 1, OSDREPLYMUX)
-DEFINE_CEPH_FEATURE(13, 1, OSDENC)
+DEFINE_CEPH_FEATURE(13, 1, OSDENC) // 3.9 req
DEFINE_CEPH_FEATURE_RETIRED(14, 1, OMAP, HAMMER, JEWEL)
DEFINE_CEPH_FEATURE(14, 2, SERVER_KRAKEN)
DEFINE_CEPH_FEATURE(15, 1, MONENC)
DEFINE_CEPH_FEATURE_RETIRED(16, 1, QUERY_T, JEWEL, LUMINOUS)
-
+DEFINE_CEPH_FEATURE(16, 3, SERVER_O)
DEFINE_CEPH_FEATURE_RETIRED(17, 1, INDEP_PG_MAP, JEWEL, LUMINOUS)
-
-DEFINE_CEPH_FEATURE(18, 1, CRUSH_TUNABLES)
+DEFINE_CEPH_FEATURE(17, 3, OS_PERF_STAT_NS)
+DEFINE_CEPH_FEATURE(18, 1, CRUSH_TUNABLES) // 3.6
DEFINE_CEPH_FEATURE_RETIRED(19, 1, CHUNKY_SCRUB, JEWEL, LUMINOUS)
DEFINE_CEPH_FEATURE(19, 2, OSD_PGLOG_HARDLIMIT)
DEFINE_CEPH_FEATURE_RETIRED(20, 1, MON_NULLROUTE, JEWEL, LUMINOUS)
DEFINE_CEPH_FEATURE_RETIRED(21, 1, MON_GV, HAMMER, JEWEL)
-DEFINE_CEPH_FEATURE(21, 2, SERVER_LUMINOUS)
+DEFINE_CEPH_FEATURE(21, 2, SERVER_LUMINOUS) // 4.13
DEFINE_CEPH_FEATURE(21, 2, RESEND_ON_SPLIT) // overlap
DEFINE_CEPH_FEATURE(21, 2, RADOS_BACKOFF) // overlap
DEFINE_CEPH_FEATURE(21, 2, OSDMAP_PG_UPMAP) // overlap
DEFINE_CEPH_FEATURE(21, 2, CRUSH_CHOOSE_ARGS) // overlap
DEFINE_CEPH_FEATURE_RETIRED(22, 1, BACKFILL_RESERVATION, JEWEL, LUMINOUS)
-DEFINE_CEPH_FEATURE(23, 1, MSG_AUTH)
+DEFINE_CEPH_FEATURE(23, 1, MSG_AUTH) // 3.19 req (unless nocephx_require_signatures)
DEFINE_CEPH_FEATURE_RETIRED(24, 1, RECOVERY_RESERVATION, JEWEL, LUNINOUS)
-
-DEFINE_CEPH_FEATURE(25, 1, CRUSH_TUNABLES2)
+DEFINE_CEPH_FEATURE(24, 2, RECOVERY_RESERVATION_2)
+DEFINE_CEPH_FEATURE(25, 1, CRUSH_TUNABLES2) // 3.9
DEFINE_CEPH_FEATURE(26, 1, CREATEPOOLID)
-DEFINE_CEPH_FEATURE(27, 1, REPLY_CREATE_INODE)
+DEFINE_CEPH_FEATURE(27, 1, REPLY_CREATE_INODE) // 3.9
DEFINE_CEPH_FEATURE_RETIRED(28, 1, OSD_HBMSGS, HAMMER, JEWEL)
-DEFINE_CEPH_FEATURE(28, 2, SERVER_M)
-DEFINE_CEPH_FEATURE(29, 1, MDSENC)
-DEFINE_CEPH_FEATURE(30, 1, OSDHASHPSPOOL)
-DEFINE_CEPH_FEATURE(31, 1, MON_SINGLE_PAXOS) // deprecate me
+DEFINE_CEPH_FEATURE(28, 2, SERVER_MIMIC)
+DEFINE_CEPH_FEATURE(29, 1, MDSENC) // 4.7
+DEFINE_CEPH_FEATURE(30, 1, OSDHASHPSPOOL) // 3.9
+DEFINE_CEPH_FEATURE_DEPRECATED(31, 1, MON_SINGLE_PAXOS, NAUTILUS)
DEFINE_CEPH_FEATURE_RETIRED(32, 1, OSD_SNAPMAPPER, JEWEL, LUMINOUS)
DEFINE_CEPH_FEATURE_RETIRED(33, 1, MON_SCRUB, JEWEL, LUMINOUS)
DEFINE_CEPH_FEATURE_RETIRED(34, 1, OSD_PACKED_RECOVERY, JEWEL, LUMINOUS)
-DEFINE_CEPH_FEATURE(35, 1, OSD_CACHEPOOL)
-DEFINE_CEPH_FEATURE(36, 1, CRUSH_V2)
-DEFINE_CEPH_FEATURE(37, 1, EXPORT_PEER)
-DEFINE_CEPH_FEATURE(38, 1, OSD_ERASURE_CODES)
-DEFINE_CEPH_FEATURE(38, 1, OSD_OSD_TMAP2OMAP) // overlap
-DEFINE_CEPH_FEATURE(39, 1, OSDMAP_ENC)
-DEFINE_CEPH_FEATURE(40, 1, MDS_INLINE_DATA)
-DEFINE_CEPH_FEATURE(41, 1, CRUSH_TUNABLES3)
+DEFINE_CEPH_FEATURE(35, 1, OSD_CACHEPOOL) // 3.14
+DEFINE_CEPH_FEATURE(36, 1, CRUSH_V2) // 3.14
+DEFINE_CEPH_FEATURE(37, 1, EXPORT_PEER) // 3.14
+DEFINE_CEPH_FEATURE_DEPRECATED(38, 1, OSD_ERASURE_CODES, MIMIC)
+DEFINE_CEPH_FEATURE(39, 1, OSDMAP_ENC) // 3.15
+DEFINE_CEPH_FEATURE(40, 1, MDS_INLINE_DATA) // 3.19
+DEFINE_CEPH_FEATURE(41, 1, CRUSH_TUNABLES3) // 3.15
DEFINE_CEPH_FEATURE(41, 1, OSD_PRIMARY_AFFINITY) // overlap
-DEFINE_CEPH_FEATURE(42, 1, MSGR_KEEPALIVE2)
-DEFINE_CEPH_FEATURE(43, 1, OSD_POOLRESEND)
-DEFINE_CEPH_FEATURE(44, 1, ERASURE_CODE_PLUGINS_V2)
+DEFINE_CEPH_FEATURE(42, 1, MSGR_KEEPALIVE2) // 4.3 (for consistency)
+DEFINE_CEPH_FEATURE(43, 1, OSD_POOLRESEND) // 4.13
+DEFINE_CEPH_FEATURE_DEPRECATED(44, 1, ERASURE_CODE_PLUGINS_V2, MIMIC)
DEFINE_CEPH_FEATURE_RETIRED(45, 1, OSD_SET_ALLOC_HINT, JEWEL, LUMINOUS)
DEFINE_CEPH_FEATURE(46, 1, OSD_FADVISE_FLAGS)
DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_OBJECT_DIGEST, JEWEL, LUMINOUS) // overlap
DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_TRANSACTION_MAY_LAYOUT, JEWEL, LUMINOUS) // overlap
-DEFINE_CEPH_FEATURE(47, 1, MDS_QUOTA)
-DEFINE_CEPH_FEATURE(48, 1, CRUSH_V4)
+DEFINE_CEPH_FEATURE(47, 1, MDS_QUOTA) // 4.17
+DEFINE_CEPH_FEATURE(48, 1, CRUSH_V4) // 4.1
DEFINE_CEPH_FEATURE_RETIRED(49, 1, OSD_MIN_SIZE_RECOVERY, JEWEL, LUMINOUS)
DEFINE_CEPH_FEATURE_RETIRED(49, 1, OSD_PROXY_FEATURES, JEWEL, LUMINOUS) // overlap
-DEFINE_CEPH_FEATURE(50, 1, MON_METADATA)
-DEFINE_CEPH_FEATURE(51, 1, OSD_BITWISE_HOBJ_SORT)
-DEFINE_CEPH_FEATURE(52, 1, OSD_PROXY_WRITE_FEATURES)
-DEFINE_CEPH_FEATURE(53, 1, ERASURE_CODE_PLUGINS_V3)
-DEFINE_CEPH_FEATURE(54, 1, OSD_HITSET_GMT)
-DEFINE_CEPH_FEATURE(55, 1, HAMMER_0_94_4)
-DEFINE_CEPH_FEATURE(56, 1, NEW_OSDOP_ENCODING)
-DEFINE_CEPH_FEATURE(57, 1, MON_STATEFUL_SUB)
-DEFINE_CEPH_FEATURE(57, 1, MON_ROUTE_OSDMAP) // overlap
-DEFINE_CEPH_FEATURE(57, 1, OSDSUBOP_NO_SNAPCONTEXT) // overlap
+DEFINE_CEPH_FEATURE_DEPRECATED(50, 1, MON_METADATA, MIMIC)
+DEFINE_CEPH_FEATURE_DEPRECATED(51, 1, OSD_BITWISE_HOBJ_SORT, MIMIC)
+DEFINE_CEPH_FEATURE_DEPRECATED(52, 1, OSD_PROXY_WRITE_FEATURES, MIMIC)
+DEFINE_CEPH_FEATURE_DEPRECATED(53, 1, ERASURE_CODE_PLUGINS_V3, MIMIC)
+DEFINE_CEPH_FEATURE_DEPRECATED(54, 1, OSD_HITSET_GMT, MIMIC)
+DEFINE_CEPH_FEATURE_DEPRECATED(55, 1, HAMMER_0_94_4, MIMIC)
+DEFINE_CEPH_FEATURE(56, 1, NEW_OSDOP_ENCODING) // 4.13 (for pg_pool_t >= v25)
+DEFINE_CEPH_FEATURE(57, 1, MON_STATEFUL_SUB) // 4.13
+DEFINE_CEPH_FEATURE_DEPRECATED(57, 1, MON_ROUTE_OSDMAP, MIMIC) // overlap
DEFINE_CEPH_FEATURE(57, 1, SERVER_JEWEL) // overlap
-DEFINE_CEPH_FEATURE(58, 1, CRUSH_TUNABLES5)
+DEFINE_CEPH_FEATURE(58, 1, CRUSH_TUNABLES5) // 4.5
DEFINE_CEPH_FEATURE(58, 1, NEW_OSDOPREPLY_ENCODING) // overlap
DEFINE_CEPH_FEATURE(58, 1, FS_FILE_LAYOUT_V2) // overlap
DEFINE_CEPH_FEATURE(59, 1, FS_BTIME)
DEFINE_CEPH_FEATURE(59, 1, FS_CHANGE_ATTR) // overlap
DEFINE_CEPH_FEATURE(59, 1, MSG_ADDR2) // overlap
DEFINE_CEPH_FEATURE(60, 1, OSD_RECOVERY_DELETES) // *do not share this bit*
-DEFINE_CEPH_FEATURE(61, 1, CEPHX_V2) // *do not share this bit*
+DEFINE_CEPH_FEATURE(61, 1, CEPHX_V2) // 4.19, *do not share this bit*
-DEFINE_CEPH_FEATURE(62, 1, RESERVED) // do not use; used as a sentinal
+DEFINE_CEPH_FEATURE(62, 1, RESERVED) // do not use; used as a sentinel
DEFINE_CEPH_FEATURE_DEPRECATED(63, 1, RESERVED_BROKEN, LUMINOUS) // client-facing
CEPH_FEATURE_OSDHASHPSPOOL | \
CEPH_FEATURE_NEW_OSDOP_ENCODING | \
CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING | \
- CEPH_FEATURE_MON_SINGLE_PAXOS | \
+ DEPRECATED_CEPH_FEATURE_MON_SINGLE_PAXOS | \
CEPH_FEATURE_OSD_CACHEPOOL | \
CEPH_FEATURE_CRUSH_V2 | \
CEPH_FEATURE_EXPORT_PEER | \
- CEPH_FEATURE_OSD_ERASURE_CODES | \
+ DEPRECATED_CEPH_FEATURE_OSD_ERASURE_CODES | \
CEPH_FEATURE_OSDMAP_ENC | \
CEPH_FEATURE_MDS_INLINE_DATA | \
CEPH_FEATURE_CRUSH_TUNABLES3 | \
CEPH_FEATURE_OSD_PRIMARY_AFFINITY | \
CEPH_FEATURE_MSGR_KEEPALIVE2 | \
CEPH_FEATURE_OSD_POOLRESEND | \
- CEPH_FEATURE_ERASURE_CODE_PLUGINS_V2 | \
+ DEPRECATED_CEPH_FEATURE_ERASURE_CODE_PLUGINS_V2 | \
CEPH_FEATURE_OSD_FADVISE_FLAGS | \
CEPH_FEATURE_MDS_QUOTA | \
CEPH_FEATURE_CRUSH_V4 | \
- CEPH_FEATURE_MON_METADATA | \
- CEPH_FEATURE_OSD_BITWISE_HOBJ_SORT | \
- CEPH_FEATURE_ERASURE_CODE_PLUGINS_V3 | \
- CEPH_FEATURE_OSD_PROXY_WRITE_FEATURES | \
- CEPH_FEATURE_OSD_HITSET_GMT | \
- CEPH_FEATURE_HAMMER_0_94_4 | \
+ DEPRECATED_CEPH_FEATURE_MON_METADATA | \
+ DEPRECATED_CEPH_FEATURE_OSD_BITWISE_HOBJ_SORT | \
+ DEPRECATED_CEPH_FEATURE_ERASURE_CODE_PLUGINS_V3 | \
+ DEPRECATED_CEPH_FEATURE_OSD_PROXY_WRITE_FEATURES | \
+ DEPRECATED_CEPH_FEATURE_OSD_HITSET_GMT | \
+ DEPRECATED_CEPH_FEATURE_HAMMER_0_94_4 | \
CEPH_FEATURE_MON_STATEFUL_SUB | \
- CEPH_FEATURE_MON_ROUTE_OSDMAP | \
+ DEPRECATED_CEPH_FEATURE_MON_ROUTE_OSDMAP | \
CEPH_FEATURE_CRUSH_TUNABLES5 | \
CEPH_FEATURE_SERVER_JEWEL | \
CEPH_FEATURE_FS_FILE_LAYOUT_V2 | \
CEPH_FEATURE_SERVER_LUMINOUS | \
CEPH_FEATURE_RESEND_ON_SPLIT | \
CEPH_FEATURE_RADOS_BACKOFF | \
- CEPH_FEATURE_OSD_RECOVERY_DELETES | \
+ CEPH_FEATURE_OSD_RECOVERY_DELETES | \
+ CEPH_FEATURE_SERVER_MIMIC | \
+ CEPH_FEATURE_RECOVERY_RESERVATION_2 | \
+ CEPH_FEATURE_SERVER_NAUTILUS | \
CEPH_FEATURE_CEPHX_V2 | \
CEPH_FEATURE_OSD_PGLOG_HARDLIMIT | \
0ULL)
projects / ceph.git / blobdiff