These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / staging / lustre / lustre / include / lustre_export.h
index 9c06a49..1daf4c5 100644 (file)
@@ -106,34 +106,6 @@ struct mgs_export_data {
        spinlock_t              med_lock;       /* protect med_clients */
 };
 
-/**
- * per-NID statistics structure.
- * It tracks access patterns to this export on a per-client-NID basis
- */
-struct nid_stat {
-       lnet_nid_t             nid;
-       struct hlist_node        nid_hash;
-       struct list_head               nid_list;
-       struct obd_device       *nid_obd;
-       struct proc_dir_entry   *nid_proc;
-       struct lprocfs_stats    *nid_stats;
-       struct lprocfs_stats    *nid_ldlm_stats;
-       atomic_t             nid_exp_ref_count; /* for obd_nid_stats_hash
-                                                          exp_nid_stats */
-};
-
-#define nidstat_getref(nidstat)                                                \
-do {                                                                      \
-       atomic_inc(&(nidstat)->nid_exp_ref_count);                       \
-} while (0)
-
-#define nidstat_putref(nidstat)                                                \
-do {                                                                      \
-       atomic_dec(&(nidstat)->nid_exp_ref_count);                       \
-       LASSERTF(atomic_read(&(nidstat)->nid_exp_ref_count) >= 0,         \
-                "stat %p nid_exp_ref_count < 0\n", nidstat);             \
-} while (0)
-
 enum obd_option {
        OBD_OPT_FORCE =  0x0001,
        OBD_OPT_FAILOVER =      0x0002,
@@ -175,14 +147,6 @@ struct obd_export {
        /** To link all exports on an obd device */
        struct list_head                exp_obd_chain;
        struct hlist_node         exp_uuid_hash; /** uuid-export hash*/
-       struct hlist_node         exp_nid_hash; /** nid-export hash */
-       /**
-        * All exports eligible for ping evictor are linked into a list
-        * through this field in "most time since last request on this export"
-        * order
-        * protected by obd_dev_lock
-        */
-       struct list_head                exp_obd_chain_timed;
        /** Obd device of this export */
        struct obd_device       *exp_obd;
        /**
@@ -190,7 +154,6 @@ struct obd_export {
         * exp_lock protect its change
         */
        struct obd_import       *exp_imp_reverse;
-       struct nid_stat   *exp_nid_stats;
        struct lprocfs_stats     *exp_md_stats;
        /** Active connection */
        struct ptlrpc_connection *exp_connection;
@@ -208,8 +171,6 @@ struct obd_export {
        spinlock_t                exp_uncommitted_replies_lock;
        /** Last committed transno for this export */
        __u64                exp_last_committed;
-       /** When was last request received */
-       unsigned long           exp_last_request_time;
        /** On replay all requests waiting for replay are linked here */
        struct list_head                exp_req_replay_queue;
        /**
@@ -222,30 +183,15 @@ struct obd_export {
        struct obd_connect_data   exp_connect_data;
        enum obd_option    exp_flags;
        unsigned long        exp_failed:1,
-                                 exp_in_recovery:1,
                                  exp_disconnected:1,
                                  exp_connecting:1,
-                                 /** VBR: export missed recovery */
-                                 exp_delayed:1,
-                                 /** VBR: failed version checking */
-                                 exp_vbr_failed:1,
-                                 exp_req_replay_needed:1,
-                                 exp_lock_replay_needed:1,
-                                 exp_need_sync:1,
                                  exp_flvr_changed:1,
-                                 exp_flvr_adapt:1,
-                                 exp_libclient:1, /* liblustre client? */
-                                 /* client timed out and tried to reconnect,
-                                  * but couldn't because of active rpcs */
-                                 exp_abort_active_req:1,
-                                 /* if to swap nidtbl entries for 2.2 clients.
-                                  * Only used by the MGS to fix LU-1644. */
-                                 exp_need_mne_swab:1;
+                                 exp_flvr_adapt:1;
        /* also protected by exp_lock */
        enum lustre_sec_part      exp_sp_peer;
        struct sptlrpc_flavor     exp_flvr;          /* current */
        struct sptlrpc_flavor     exp_flvr_old[2];      /* about-to-expire */
-       unsigned long           exp_flvr_expire[2];   /* seconds */
+       time64_t                  exp_flvr_expire[2];   /* seconds */
 
        /** protects exp_hp_rpcs */
        spinlock_t                exp_rpc_lock;
@@ -294,13 +240,6 @@ static inline int exp_connect_multibulk(struct obd_export *exp)
        return exp_max_brw_size(exp) > ONE_MB_BRW_SIZE;
 }
 
-static inline int exp_expired(struct obd_export *exp, long age)
-{
-       LASSERT(exp->exp_delayed);
-       return time_before(cfs_time_add(exp->exp_last_request_time, age),
-                          get_seconds());
-}
-
 static inline int exp_connect_cancelset(struct obd_export *exp)
 {
        LASSERT(exp != NULL);
@@ -397,8 +336,7 @@ static inline bool imp_connect_disp_stripe(struct obd_import *imp)
        return ocd->ocd_connect_flags & OBD_CONNECT_DISP_STRIPE;
 }
 
-extern struct obd_export *class_conn2export(struct lustre_handle *conn);
-extern struct obd_device *class_conn2obd(struct lustre_handle *conn);
+struct obd_export *class_conn2export(struct lustre_handle *conn);
 
 /** @} export */