#include <linux/ceph/auth.h>
/* The first 8 bits are reserved for old ceph releases */
-#define CEPHFS_FEATURE_MIMIC 8
-
-#define CEPHFS_FEATURES_ALL { \
- 0, 1, 2, 3, 4, 5, 6, 7, \
- CEPHFS_FEATURE_MIMIC, \
+#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_FEATURES_CLIENT_SUPPORTED { \
+ 0, 1, 2, 3, 4, 5, 6, 7, \
+ CEPHFS_FEATURE_MIMIC, \
+ CEPHFS_FEATURE_REPLY_ENCODING, \
+ CEPHFS_FEATURE_LAZY_CAP_WANTED, \
+ CEPHFS_FEATURE_MULTI_RECONNECT, \
}
-
-#define CEPHFS_FEATURES_CLIENT_SUPPORTED CEPHFS_FEATURES_ALL
#define CEPHFS_FEATURES_CLIENT_REQUIRED {}
char *pool_ns_data;
u64 max_bytes;
u64 max_files;
+ s32 dir_pin;
};
struct ceph_mds_reply_dir_entry {
int s_mds;
int s_state;
unsigned long s_ttl; /* time until mds kills us */
+ unsigned long s_features;
u64 s_seq; /* incoming msg seq # */
struct mutex s_mutex; /* serialize session messages */
unsigned long s_renew_requested; /* last time we sent a renew req */
u64 s_renew_seq;
- refcount_t s_ref;
+ refcount_t s_ref;
struct list_head s_waiting; /* waiting requests */
struct list_head s_unsafe; /* unsafe requests */
};
char pool_ns[];
};
+struct ceph_snapid_map {
+ struct rb_node node;
+ struct list_head lru;
+ atomic_t ref;
+ u64 snap;
+ dev_t dev;
+ unsigned long last_used;
+};
+
/*
* mds client state
*/
struct rw_semaphore snap_rwsem;
struct rb_root snap_realms;
struct list_head snap_empty;
+ int num_snap_realms;
spinlock_t snap_empty_lock; /* protect snap_empty */
u64 last_tid; /* most recent mds request */
struct list_head dentry_lru;
int num_dentry;
+ spinlock_t snapid_map_lock;
+ struct rb_root snapid_map_tree;
+ struct list_head snapid_map_lru;
+
struct rw_semaphore pool_perm_rwsem;
struct rb_root pool_perm_tree;