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LU-6142 lustre: remove imp_no_timeout field
[fs/lustre-release.git] / lustre / include / lustre_import.h
index 1b44d32..682f4dc 100644 (file)
  *
  * @{
  */
-
-#include <lustre_handles.h>
-#include <lustre/lustre_idl.h>
-
+#include <linux/atomic.h>
+#include <linux/list.h>
+#include <linux/mutex.h>
+#include <linux/spinlock.h>
+#include <linux/time.h>
+#include <linux/types.h>
+#include <linux/workqueue.h>
+#include <libcfs/libcfs.h>
+#include <uapi/linux/lustre/lustre_idl.h>
 
 /**
  * Adaptive Timeout stuff
@@ -101,19 +106,21 @@ enum lustre_imp_state {
         LUSTRE_IMP_RECOVER    = 8,
         LUSTRE_IMP_FULL       = 9,
         LUSTRE_IMP_EVICTED    = 10,
+       LUSTRE_IMP_IDLE       = 11,
+       LUSTRE_IMP_LAST
 };
 
 /** Returns test string representation of numeric import state \a state */
 static inline char * ptlrpc_import_state_name(enum lustre_imp_state state)
 {
-        static char* import_state_names[] = {
-                "<UNKNOWN>", "CLOSED",  "NEW", "DISCONN",
-                "CONNECTING", "REPLAY", "REPLAY_LOCKS", "REPLAY_WAIT",
-                "RECOVER", "FULL", "EVICTED",
-        };
-
-        LASSERT (state <= LUSTRE_IMP_EVICTED);
-        return import_state_names[state];
+       static char *import_state_names[] = {
+               "<UNKNOWN>", "CLOSED",  "NEW", "DISCONN",
+               "CONNECTING", "REPLAY", "REPLAY_LOCKS", "REPLAY_WAIT",
+               "RECOVER", "FULL", "EVICTED", "IDLE",
+       };
+
+       LASSERT(state < LUSTRE_IMP_LAST);
+       return import_state_names[state];
 }
 
 /**
@@ -140,9 +147,9 @@ struct obd_import_conn {
         /** uuid of remote side */
         struct obd_uuid           oic_uuid;
         /**
-         * Time (64 bit jiffies) of last connection attempt on this connection
+        * Time (64 bit seconds) of last connection attempt on this connection
          */
-        __u64                     oic_last_attempt;
+       time64_t                  oic_last_attempt;
 };
 
 /* state history */
@@ -157,8 +164,6 @@ struct import_state_hist {
  * Imports are representing client-side view to remote target.
  */
 struct obd_import {
-       /** Local handle (== id) for this import. */
-       struct portals_handle     imp_handle;
        /** Reference counter */
        atomic_t                  imp_refcount;
        struct lustre_handle      imp_dlm_handle; /* client's ldlm export */
@@ -168,8 +173,8 @@ struct obd_import {
         struct ptlrpc_client     *imp_client;
        /** List element for linking into pinger chain */
        struct list_head          imp_pinger_chain;
-       /** List element for linking into chain for destruction */
-       struct list_head          imp_zombie_chain;
+       /** work struct for destruction of import */
+       struct work_struct        imp_zombie_work;
 
         /**
          * Lists of requests that are retained for replay, waiting for a reply,
@@ -205,7 +210,7 @@ struct obd_import {
          * @{
          */
        struct ptlrpc_sec        *imp_sec;
-       struct mutex              imp_sec_mutex;
+       rwlock_t                  imp_sec_lock;
        time64_t                imp_sec_expire;
        pid_t                     imp_sec_refpid;
         /** @} */
@@ -232,6 +237,8 @@ struct obd_import {
         int                       imp_state_hist_idx;
         /** Current import generation. Incremented on every reconnect */
         int                       imp_generation;
+       /** Idle connection initiated at this generation */
+       int                       imp_initiated_at;
         /** Incremented every time we send reconnection request */
         __u32                     imp_conn_cnt;
        /** 
@@ -256,9 +263,9 @@ struct obd_import {
          */
         struct lustre_handle      imp_remote_handle;
         /** When to perform next ping. time in jiffies. */
-        cfs_time_t                imp_next_ping;
+       time64_t                imp_next_ping;
        /** When we last successfully connected. time in 64bit jiffies */
-        __u64                     imp_last_success_conn;
+       time64_t                imp_last_success_conn;
 
         /** List of all possible connection for import. */
        struct list_head        imp_conn_list;
@@ -271,8 +278,7 @@ struct obd_import {
        spinlock_t                imp_lock;
 
        /* flags */
-       unsigned long             imp_no_timeout:1, /* timeouts are disabled */
-                                 imp_invalid:1,    /* evicted */
+       unsigned long             imp_invalid:1,    /* evicted */
                                  /* administratively disabled */
                                  imp_deactive:1,
                                  /* try to recover the import */
@@ -283,9 +289,6 @@ struct obd_import {
                                  imp_server_timeout:1,
                                  /* VBR: imp in delayed recovery */
                                  imp_delayed_recovery:1,
-                                 /* VBR: if gap was found then no lock replays
-                                  */
-                                 imp_no_lock_replay:1,
                                  /* recovery by versions was failed */
                                  imp_vbr_failed:1,
                                  /* force an immidiate ping */
@@ -298,10 +301,6 @@ struct obd_import {
                                  imp_resend_replay:1,
                                  /* disable normal recovery, for test only. */
                                  imp_no_pinger_recover:1,
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
-                                 /* need IR MNE swab */
-                                 imp_need_mne_swab:1,
-#endif
                                  /* import must be reconnected instead of
                                   * chouse new connection */
                                  imp_force_reconnect:1,
@@ -309,19 +308,21 @@ struct obd_import {
                                  imp_connect_tried:1,
                                  /* connected but not FULL yet */
                                  imp_connected:1;
-       __u32                     imp_connect_op;
-       struct obd_connect_data   imp_connect_data;
-       __u64                     imp_connect_flags_orig;
-       __u64                     imp_connect_flags2_orig;
-       int                       imp_connect_error;
-
-       __u32                     imp_msg_magic;
-                                 /* adjusted based on server capability */
-       __u32                     imp_msghdr_flags;
-
-                                 /* adaptive timeout data */
-       struct imp_at             imp_at;
-       time64_t                  imp_last_reply_time;  /* for health check */
+       u32                       imp_connect_op;
+       u32                       imp_idle_timeout;
+       u32                       imp_idle_debug;
+       struct obd_connect_data   imp_connect_data;
+       __u64                     imp_connect_flags_orig;
+       __u64                     imp_connect_flags2_orig;
+       int                       imp_connect_error;
+
+       enum lustre_msg_magic   imp_msg_magic;
+                               /* adjusted based on server capability */
+       enum lustre_msghdr      imp_msghdr_flags;
+
+                               /* adaptive timeout data */
+       struct imp_at           imp_at;
+       time64_t                imp_last_reply_time;    /* for health check */
 };
 
 /* import.c */
@@ -381,7 +382,6 @@ extern unsigned int at_max;
 /* genops.c */
 struct obd_export;
 extern struct obd_import *class_exp2cliimp(struct obd_export *);
-extern struct obd_import *class_conn2cliimp(struct lustre_handle *);
 
 /** @} import */