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use special macro for print time_t, cleanup in includes.
[fs/lustre-release.git] / lustre / ptlrpc / pinger.c
index ba7aa39..274e8e9 100644 (file)
 #include "ptlrpc_internal.h"
 
 struct semaphore pinger_sem;
-static struct list_head pinger_imports = CFS_LIST_HEAD_INIT(pinger_imports);
+static CFS_LIST_HEAD(pinger_imports);
 
 int ptlrpc_ping(struct obd_import *imp)
 {
         struct ptlrpc_request *req;
-        int rc = 0;
         ENTRY;
 
-        req = ptlrpc_prep_req(imp, LUSTRE_OBD_VERSION, OBD_PING, 1, NULL, NULL);
-        if (req) {
-                DEBUG_REQ(D_INFO, req, "pinging %s->%s",
-                          imp->imp_obd->obd_uuid.uuid,
-                          obd2cli_tgt(imp->imp_obd));
-                req->rq_no_resend = req->rq_no_delay = 1;
-                ptlrpc_req_set_repsize(req, 1, NULL);
-                req->rq_timeout = PING_INTERVAL;
-                ptlrpcd_add_req(req);
-        } else {
+        req = ptlrpc_request_alloc_pack(imp, &RQF_OBD_PING, LUSTRE_OBD_VERSION,
+                                        OBD_PING);
+        if (req == NULL) {
                 CERROR("OOM trying to ping %s->%s\n",
                        imp->imp_obd->obd_uuid.uuid,
                        obd2cli_tgt(imp->imp_obd));
-                rc = -ENOMEM;
+                RETURN(-ENOMEM);
         }
 
-        RETURN(rc);
+        DEBUG_REQ(D_INFO, req, "pinging %s->%s",
+                  imp->imp_obd->obd_uuid.uuid, obd2cli_tgt(imp->imp_obd));
+        req->rq_no_resend = req->rq_no_delay = 1;
+        ptlrpc_request_set_replen(req);
+        req->rq_timeout = PING_INTERVAL;
+        ptlrpcd_add_req(req);
+
+        RETURN(0);
 }
 
 void ptlrpc_update_next_ping(struct obd_import *imp)
@@ -222,6 +221,8 @@ static int ptlrpc_pinger_main(void *arg)
                                 ptlrpc_update_next_ping(imp);
                 }
                 mutex_up(&pinger_sem);
+                /* update memory usage info */
+                obd_update_maxusage();
 
                 /* Wait until the next ping time, or until we're stopped. */
                 time_to_next_ping = cfs_time_sub(cfs_time_add(this_ping, 
@@ -389,7 +390,7 @@ static spinlock_t        pet_lock = SPIN_LOCK_UNLOCKED;
 int ping_evictor_wake(struct obd_export *exp)
 {
         spin_lock(&pet_lock);
-        if (pet_exp) {
+        if (pet_exp || (pet_state != PET_READY)) {
                 /* eventually the new obd will call here again. */
                 spin_unlock(&pet_lock);
                 return 1;
@@ -432,7 +433,7 @@ static int ping_evictor_main(void *arg)
                 obd = pet_exp->exp_obd;
                 spin_unlock(&pet_lock);
 
-                expire_time = CURRENT_SECONDS - (3 * obd_timeout / 2);
+                expire_time = cfs_time_current_sec() - (3 * obd_timeout / 2);
 
                 CDEBUG(D_HA, "evicting all exports of obd %s older than %ld\n",
                        obd->obd_name, expire_time);
@@ -456,9 +457,9 @@ static int ping_evictor_main(void *arg)
                                               obd->obd_name,
                                               obd_uuid2str(&exp->exp_client_uuid),
                                               obd_export_nid2str(exp),
-                                              (long)(CURRENT_SECONDS -
+                                              (long)(cfs_time_current_sec() -
                                                      exp->exp_last_request_time),
-                                              exp, (long)CURRENT_SECONDS,
+                                              exp, (long)cfs_time_current_sec(),
                                               (long)expire_time,
                                               (long)exp->exp_last_request_time);
                                 CDEBUG(D_HA, "Last request was at %ld\n",
@@ -582,21 +583,25 @@ static int pinger_check_rpcs(void *arg)
                                 continue;
                         }
 
-                        req = ptlrpc_prep_req(imp, LUSTRE_OBD_VERSION, OBD_PING,
-                                              1, NULL, NULL);
-                        if (!req) {
-                                CERROR("out of memory\n");
+                        req = ptlrpc_request_alloc_pack(imp, &RQF_OBD_PING,
+                                                        LUSTRE_OBD_VERSION,
+                                                        OBD_PING);
+                        if (req == NULL) {
+                                CERROR("OOM trying to ping %s->%s\n",
+                                       imp->imp_obd->obd_uuid.uuid,
+                                       obd2cli_tgt(imp->imp_obd));
                                 break;
                         }
+
                         req->rq_no_resend = 1;
-                        ptlrpc_req_set_repsize(req, 1, NULL);
+                        ptlrpc_request_set_replen(req);
                         req->rq_send_state = LUSTRE_IMP_FULL;
                         req->rq_phase = RQ_PHASE_RPC;
                         req->rq_import_generation = generation;
                         ptlrpc_set_add_req(set, req);
                 } else {
-                        CDEBUG(D_HA, "don't need to ping %s ("CFS_TIME_T" > "
-                               CFS_TIME_T")\n", obd2cli_tgt(imp->imp_obd),
+                        CDEBUG(D_INFO, "don't need to ping %s ("CFS_TIME_T
+                               " > "CFS_TIME_T")\n", obd2cli_tgt(imp->imp_obd),
                                imp->imp_next_ping, pd->pd_this_ping);
                 }
         }
@@ -605,13 +610,13 @@ static int pinger_check_rpcs(void *arg)
 
         /* Might be empty, that's OK. */
         if (set->set_remaining == 0)
-                CDEBUG(D_HA, "nothing to ping\n");
+                CDEBUG(D_RPCTRACE, "nothing to ping\n");
 
         list_for_each(iter, &set->set_requests) {
                 struct ptlrpc_request *req =
                         list_entry(iter, struct ptlrpc_request,
                                    rq_set_chain);
-                DEBUG_REQ(D_HA, req, "pinging %s->%s",
+                DEBUG_REQ(D_RPCTRACE, req, "pinging %s->%s",
                           req->rq_import->imp_obd->obd_uuid.uuid,
                           obd2cli_tgt(req->rq_import->imp_obd));
                 (void)ptl_send_rpc(req, 0);
@@ -621,10 +626,9 @@ do_check_set:
         rc = ptlrpc_check_set(set);
 
         /* not finished, and we are not expired, simply return */
-        if (!rc && cfs_time_before(curtime, 
-                                   cfs_time_add(pd->pd_this_ping, 
-                                                cfs_time_seconds(PING_INTERVAL)))) {
-                CDEBUG(D_HA, "not finished, but also not expired\n");
+        if (!rc && cfs_time_before(curtime, cfs_time_add(pd->pd_this_ping,
+                                            cfs_time_seconds(PING_INTERVAL)))) {
+                CDEBUG(D_RPCTRACE, "not finished, but also not expired\n");
                 pd->pd_recursion--;
                 return 0;
         }
@@ -647,7 +651,7 @@ do_check_set:
                         continue;
                 }
 
-                CDEBUG(D_HA, "pinger initiate expire_one_request\n");
+                CDEBUG(D_RPCTRACE, "pinger initiate expire_one_request\n");
                 ptlrpc_expire_one_request(req);
         }
         mutex_up(&pinger_sem);
@@ -660,7 +664,7 @@ out:
                                         cfs_time_seconds(PING_INTERVAL));
         pd->pd_this_ping = 0; /* XXX for debug */
 
-        CDEBUG(D_HA, "finished a round ping\n");
+        CDEBUG(D_INFO, "finished a round ping\n");
         pd->pd_recursion--;
         return 0;
 }
@@ -743,9 +747,8 @@ void ptlrpc_pinger_wake_up()
         struct obd_import *imp;
         ENTRY;
         list_for_each_entry(imp, &pinger_imports, imp_pinger_chain) {
-                CDEBUG(D_HA, "Checking that we need to do anything about import"
-                             " %s->%s\n", imp->imp_obd->obd_uuid.uuid,
-                             obd2cli_tgt(imp->imp_obd));
+                CDEBUG(D_RPCTRACE, "checking import %s->%s\n",
+                       imp->imp_obd->obd_uuid.uuid, obd2cli_tgt(imp->imp_obd));
 #ifdef ENABLE_LIBLUSTRE_RECOVERY
                 if (imp->imp_state == LUSTRE_IMP_DISCON && !imp->imp_deactive)
 #else