ceph/src/mds/cephfs_features.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15 #ifndef CEPHFS_FEATURES_H
  16 #define CEPHFS_FEATURES_H
  17
  18 #include "include/cephfs/metrics/Types.h"
  19
  20 class feature_bitset_t;
  21 namespace ceph {
  22   class Formatter;
  23 }
  24
  25 // When adding a new release, please update the "current" release below, add a
  26 // feature bit for that release, add that feature bit to CEPHFS_FEATURES_ALL,
  27 // and update Server::update_required_client_features(). This feature bit
  28 // is used to indicate that operator only wants clients from that release or
  29 // later to mount CephFS.
  30 #define CEPHFS_CURRENT_RELEASE  CEPH_RELEASE_QUINCY
  31
  32 // The first 5 bits are reserved for old ceph releases.
  33 #define CEPHFS_FEATURE_JEWEL            5
  34 #define CEPHFS_FEATURE_KRAKEN           6
  35 #define CEPHFS_FEATURE_LUMINOUS         7
  36 #define CEPHFS_FEATURE_MIMIC            8
  37 #define CEPHFS_FEATURE_REPLY_ENCODING   9
  38 #define CEPHFS_FEATURE_RECLAIM_CLIENT   10
  39 #define CEPHFS_FEATURE_LAZY_CAP_WANTED  11
  40 #define CEPHFS_FEATURE_MULTI_RECONNECT  12
  41 #define CEPHFS_FEATURE_NAUTILUS         12
  42 #define CEPHFS_FEATURE_DELEG_INO        13
  43 #define CEPHFS_FEATURE_OCTOPUS          13
  44 #define CEPHFS_FEATURE_METRIC_COLLECT   14
  45 #define CEPHFS_FEATURE_ALTERNATE_NAME   15
  46 #define CEPHFS_FEATURE_MAX              15
  47
  48 #define CEPHFS_FEATURES_ALL {           \
  49   0, 1, 2, 3, 4,                        \
  50   CEPHFS_FEATURE_JEWEL,                 \
  51   CEPHFS_FEATURE_KRAKEN,                \
  52   CEPHFS_FEATURE_LUMINOUS,              \
  53   CEPHFS_FEATURE_MIMIC,                 \
  54   CEPHFS_FEATURE_REPLY_ENCODING,        \
  55   CEPHFS_FEATURE_RECLAIM_CLIENT,        \
  56   CEPHFS_FEATURE_LAZY_CAP_WANTED,       \
  57   CEPHFS_FEATURE_MULTI_RECONNECT,       \
  58   CEPHFS_FEATURE_NAUTILUS,              \
  59   CEPHFS_FEATURE_DELEG_INO,             \
  60   CEPHFS_FEATURE_OCTOPUS,               \
  61   CEPHFS_FEATURE_METRIC_COLLECT,        \
  62   CEPHFS_FEATURE_ALTERNATE_NAME,        \
  63 }
  64
  65 #define CEPHFS_METRIC_FEATURES_ALL {            \
  66     CLIENT_METRIC_TYPE_CAP_INFO,                \
  67     CLIENT_METRIC_TYPE_READ_LATENCY,            \
  68     CLIENT_METRIC_TYPE_WRITE_LATENCY,           \
  69     CLIENT_METRIC_TYPE_METADATA_LATENCY,        \
  70     CLIENT_METRIC_TYPE_DENTRY_LEASE,            \
  71     CLIENT_METRIC_TYPE_OPENED_FILES,            \
  72     CLIENT_METRIC_TYPE_PINNED_ICAPS,            \
  73     CLIENT_METRIC_TYPE_OPENED_INODES,           \
  74     CLIENT_METRIC_TYPE_READ_IO_SIZES,           \
  75     CLIENT_METRIC_TYPE_WRITE_IO_SIZES,          \
  76     CLIENT_METRIC_TYPE_AVG_READ_LATENCY,        \
  77     CLIENT_METRIC_TYPE_STDEV_READ_LATENCY,      \
  78     CLIENT_METRIC_TYPE_AVG_WRITE_LATENCY,       \
  79     CLIENT_METRIC_TYPE_STDEV_WRITE_LATENCY,     \
  80     CLIENT_METRIC_TYPE_AVG_METADATA_LATENCY,    \
  81     CLIENT_METRIC_TYPE_STDEV_METADATA_LATENCY,  \
  82 }
  83
  84 #define CEPHFS_FEATURES_MDS_SUPPORTED CEPHFS_FEATURES_ALL
  85 #define CEPHFS_FEATURES_MDS_REQUIRED {}
  86
  87 #define CEPHFS_FEATURES_CLIENT_SUPPORTED CEPHFS_FEATURES_ALL
  88 #define CEPHFS_FEATURES_CLIENT_REQUIRED {}
  89
  90 extern std::string_view cephfs_feature_name(size_t id);
  91 extern int cephfs_feature_from_name(std::string_view name);
  92 std::string cephfs_stringify_features(const feature_bitset_t& features);
  93 void cephfs_dump_features(ceph::Formatter *f, const feature_bitset_t& features);
  94
  95 #endif