Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 102 insertions, 0 deletions

diff --git a/src/mds/cephfs_features.h b/src/mds/cephfs_features.h
new file mode 100644
index 000000000..7d215e2a3
--- /dev/null
+++ b/src/mds/cephfs_features.h
@@ -0,0 +1,102 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#ifndef CEPHFS_FEATURES_H
+#define CEPHFS_FEATURES_H
+
+#include "include/cephfs/metrics/Types.h"
+
+class feature_bitset_t;
+namespace ceph {
+  class Formatter;
+}
+
+// When adding a new release, please update the "current" release below, add a
+// feature bit for that release, add that feature bit to CEPHFS_FEATURES_ALL,
+// and update Server::update_required_client_features(). This feature bit
+// is used to indicate that operator only wants clients from that release or
+// later to mount CephFS.
+#define CEPHFS_CURRENT_RELEASE  CEPH_RELEASE_REEF
+
+// The first 5 bits are reserved for old ceph releases.
+#define CEPHFS_FEATURE_JEWEL                5
+#define CEPHFS_FEATURE_KRAKEN               6
+#define CEPHFS_FEATURE_LUMINOUS             7
+#define CEPHFS_FEATURE_MIMIC                8
+#define CEPHFS_FEATURE_REPLY_ENCODING       9
+#define CEPHFS_FEATURE_RECLAIM_CLIENT       10
+#define CEPHFS_FEATURE_LAZY_CAP_WANTED      11
+#define CEPHFS_FEATURE_MULTI_RECONNECT      12
+#define CEPHFS_FEATURE_NAUTILUS             12
+#define CEPHFS_FEATURE_DELEG_INO            13
+#define CEPHFS_FEATURE_OCTOPUS              13
+#define CEPHFS_FEATURE_METRIC_COLLECT       14
+#define CEPHFS_FEATURE_ALTERNATE_NAME       15
+#define CEPHFS_FEATURE_NOTIFY_SESSION_STATE 16
+#define CEPHFS_FEATURE_OP_GETVXATTR         17
+#define CEPHFS_FEATURE_32BITS_RETRY_FWD     18
+#define CEPHFS_FEATURE_NEW_SNAPREALM_INFO   19
+#define CEPHFS_FEATURE_HAS_OWNER_UIDGID     20
+#define CEPHFS_FEATURE_MAX                  20
+
+#define CEPHFS_FEATURES_ALL {		\
+  0, 1, 2, 3, 4,			\
+  CEPHFS_FEATURE_JEWEL,			\
+  CEPHFS_FEATURE_KRAKEN,		\
+  CEPHFS_FEATURE_LUMINOUS,		\
+  CEPHFS_FEATURE_MIMIC,			\
+  CEPHFS_FEATURE_REPLY_ENCODING,        \
+  CEPHFS_FEATURE_RECLAIM_CLIENT,	\
+  CEPHFS_FEATURE_LAZY_CAP_WANTED,	\
+  CEPHFS_FEATURE_MULTI_RECONNECT,	\
+  CEPHFS_FEATURE_NAUTILUS,              \
+  CEPHFS_FEATURE_DELEG_INO,             \
+  CEPHFS_FEATURE_OCTOPUS,               \
+  CEPHFS_FEATURE_METRIC_COLLECT,        \
+  CEPHFS_FEATURE_ALTERNATE_NAME,        \
+  CEPHFS_FEATURE_NOTIFY_SESSION_STATE,  \
+  CEPHFS_FEATURE_OP_GETVXATTR,          \
+  CEPHFS_FEATURE_32BITS_RETRY_FWD,      \
+  CEPHFS_FEATURE_NEW_SNAPREALM_INFO,    \
+  CEPHFS_FEATURE_HAS_OWNER_UIDGID,      \
+}
+
+#define CEPHFS_METRIC_FEATURES_ALL {		\
+    CLIENT_METRIC_TYPE_CAP_INFO,		\
+    CLIENT_METRIC_TYPE_READ_LATENCY,		\
+    CLIENT_METRIC_TYPE_WRITE_LATENCY,		\
+    CLIENT_METRIC_TYPE_METADATA_LATENCY,	\
+    CLIENT_METRIC_TYPE_DENTRY_LEASE,		\
+    CLIENT_METRIC_TYPE_OPENED_FILES,		\
+    CLIENT_METRIC_TYPE_PINNED_ICAPS,		\
+    CLIENT_METRIC_TYPE_OPENED_INODES,		\
+    CLIENT_METRIC_TYPE_READ_IO_SIZES,		\
+    CLIENT_METRIC_TYPE_WRITE_IO_SIZES,		\
+    CLIENT_METRIC_TYPE_AVG_READ_LATENCY,	\
+    CLIENT_METRIC_TYPE_STDEV_READ_LATENCY,	\
+    CLIENT_METRIC_TYPE_AVG_WRITE_LATENCY,	\
+    CLIENT_METRIC_TYPE_STDEV_WRITE_LATENCY,	\
+    CLIENT_METRIC_TYPE_AVG_METADATA_LATENCY,	\
+    CLIENT_METRIC_TYPE_STDEV_METADATA_LATENCY,	\
+}
+
+#define CEPHFS_FEATURES_MDS_SUPPORTED CEPHFS_FEATURES_ALL
+#define CEPHFS_FEATURES_CLIENT_SUPPORTED CEPHFS_FEATURES_ALL
+
+extern std::string_view cephfs_feature_name(size_t id);
+extern int cephfs_feature_from_name(std::string_view name);
+std::string cephfs_stringify_features(const feature_bitset_t& features);
+void cephfs_dump_features(ceph::Formatter *f, const feature_bitset_t& features);
+
+#endif