diff options
Diffstat (limited to 'drivers/staging/lustre/lnet/selftest/rpc.c')
-rw-r--r-- | drivers/staging/lustre/lnet/selftest/rpc.c | 96 |
1 files changed, 42 insertions, 54 deletions
diff --git a/drivers/staging/lustre/lnet/selftest/rpc.c b/drivers/staging/lustre/lnet/selftest/rpc.c index ab7e8a8e58b8..f8198ad1046e 100644 --- a/drivers/staging/lustre/lnet/selftest/rpc.c +++ b/drivers/staging/lustre/lnet/selftest/rpc.c @@ -68,7 +68,7 @@ srpc_serv_portal(int svc_id) } /* forward ref's */ -int srpc_handle_rpc(struct swi_workitem *wi); +void srpc_handle_rpc(struct swi_workitem *wi); void srpc_get_counters(struct srpc_counters *cnt) { @@ -113,7 +113,7 @@ srpc_free_bulk(struct srpc_bulk *bk) __free_page(pg); } - LIBCFS_FREE(bk, offsetof(struct srpc_bulk, bk_iovs[bk->bk_niov])); + kfree(bk); } struct srpc_bulk * @@ -125,8 +125,8 @@ srpc_alloc_bulk(int cpt, unsigned int bulk_off, unsigned int bulk_npg, LASSERT(bulk_npg > 0 && bulk_npg <= LNET_MAX_IOV); - LIBCFS_CPT_ALLOC(bk, lnet_cpt_table(), cpt, - offsetof(struct srpc_bulk, bk_iovs[bulk_npg])); + bk = kzalloc_cpt(offsetof(struct srpc_bulk, bk_iovs[bulk_npg]), + GFP_KERNEL, cpt); if (!bk) { CERROR("Can't allocate descriptor for %d pages\n", bulk_npg); return NULL; @@ -176,9 +176,9 @@ srpc_init_server_rpc(struct srpc_server_rpc *rpc, struct srpc_buffer *buffer) { memset(rpc, 0, sizeof(*rpc)); - swi_init_workitem(&rpc->srpc_wi, rpc, srpc_handle_rpc, + swi_init_workitem(&rpc->srpc_wi, srpc_handle_rpc, srpc_serv_is_framework(scd->scd_svc) ? - lst_sched_serial : lst_sched_test[scd->scd_cpt]); + lst_serial_wq : lst_test_wq[scd->scd_cpt]); rpc->srpc_ev.ev_fired = 1; /* no event expected now */ @@ -214,7 +214,7 @@ srpc_service_fini(struct srpc_service *svc) buf = list_entry(q->next, struct srpc_buffer, buf_list); list_del(&buf->buf_list); - LIBCFS_FREE(buf, sizeof(*buf)); + kfree(buf); } } @@ -225,7 +225,7 @@ srpc_service_fini(struct srpc_service *svc) struct srpc_server_rpc, srpc_list); list_del(&rpc->srpc_list); - LIBCFS_FREE(rpc, sizeof(*rpc)); + kfree(rpc); } } @@ -242,7 +242,7 @@ srpc_service_nrpcs(struct srpc_service *svc) max(nrpcs, SFW_FRWK_WI_MIN) : max(nrpcs, SFW_TEST_WI_MIN); } -int srpc_add_buffer(struct swi_workitem *wi); +void srpc_add_buffer(struct swi_workitem *wi); static int srpc_service_init(struct srpc_service *svc) @@ -277,11 +277,11 @@ srpc_service_init(struct srpc_service *svc) scd->scd_ev.ev_type = SRPC_REQUEST_RCVD; /* - * NB: don't use lst_sched_serial for adding buffer, + * NB: don't use lst_serial_wq for adding buffer, * see details in srpc_service_add_buffers() */ - swi_init_workitem(&scd->scd_buf_wi, scd, - srpc_add_buffer, lst_sched_test[i]); + swi_init_workitem(&scd->scd_buf_wi, + srpc_add_buffer, lst_test_wq[i]); if (i && srpc_serv_is_framework(svc)) { /* @@ -294,8 +294,7 @@ srpc_service_init(struct srpc_service *svc) } for (j = 0; j < nrpcs; j++) { - LIBCFS_CPT_ALLOC(rpc, lnet_cpt_table(), - i, sizeof(*rpc)); + rpc = kzalloc_cpt(sizeof(*rpc), GFP_NOFS, i); if (!rpc) { srpc_service_fini(svc); return -ENOMEM; @@ -508,16 +507,16 @@ __must_hold(&scd->scd_lock) list_del(&buf->buf_list); spin_unlock(&scd->scd_lock); - LIBCFS_FREE(buf, sizeof(*buf)); + kfree(buf); spin_lock(&scd->scd_lock); return rc; } -int +void srpc_add_buffer(struct swi_workitem *wi) { - struct srpc_service_cd *scd = wi->swi_workitem.wi_data; + struct srpc_service_cd *scd = container_of(wi, struct srpc_service_cd, scd_buf_wi); struct srpc_buffer *buf; int rc = 0; @@ -535,7 +534,7 @@ srpc_add_buffer(struct swi_workitem *wi) spin_unlock(&scd->scd_lock); - LIBCFS_ALLOC(buf, sizeof(*buf)); + buf = kzalloc(sizeof(*buf), GFP_NOFS); if (!buf) { CERROR("Failed to add new buf to service: %s\n", scd->scd_svc->sv_name); @@ -547,7 +546,7 @@ srpc_add_buffer(struct swi_workitem *wi) spin_lock(&scd->scd_lock); if (scd->scd_svc->sv_shuttingdown) { spin_unlock(&scd->scd_lock); - LIBCFS_FREE(buf, sizeof(*buf)); + kfree(buf); spin_lock(&scd->scd_lock); rc = -ESHUTDOWN; @@ -573,7 +572,6 @@ srpc_add_buffer(struct swi_workitem *wi) } spin_unlock(&scd->scd_lock); - return 0; } int @@ -605,15 +603,15 @@ srpc_service_add_buffers(struct srpc_service *sv, int nbuffer) spin_lock(&scd->scd_lock); /* * NB: srpc_service_add_buffers() can be called inside - * thread context of lst_sched_serial, and we don't normally + * thread context of lst_serial_wq, and we don't normally * allow to sleep inside thread context of WI scheduler * because it will block current scheduler thread from doing * anything else, even worse, it could deadlock if it's * waiting on result from another WI of the same scheduler. * However, it's safe at here because scd_buf_wi is scheduled - * by thread in a different WI scheduler (lst_sched_test), + * by thread in a different WI scheduler (lst_test_wq), * so we don't have any risk of deadlock, though this could - * block all WIs pending on lst_sched_serial for a moment + * block all WIs pending on lst_serial_wq for a moment * which is not good but not fatal. */ lst_wait_until(scd->scd_buf_err || @@ -660,11 +658,9 @@ srpc_finish_service(struct srpc_service *sv) LASSERT(sv->sv_shuttingdown); /* srpc_shutdown_service called */ cfs_percpt_for_each(scd, i, sv->sv_cpt_data) { + swi_cancel_workitem(&scd->scd_buf_wi); + spin_lock(&scd->scd_lock); - if (!swi_deschedule_workitem(&scd->scd_buf_wi)) { - spin_unlock(&scd->scd_lock); - return 0; - } if (scd->scd_buf_nposted > 0) { CDEBUG(D_NET, "waiting for %d posted buffers to unlink\n", @@ -680,11 +676,9 @@ srpc_finish_service(struct srpc_service *sv) rpc = list_entry(scd->scd_rpc_active.next, struct srpc_server_rpc, srpc_list); - CNETERR("Active RPC %p on shutdown: sv %s, peer %s, wi %s scheduled %d running %d, ev fired %d type %d status %d lnet %d\n", + CNETERR("Active RPC %p on shutdown: sv %s, peer %s, wi %s, ev fired %d type %d status %d lnet %d\n", rpc, sv->sv_name, libcfs_id2str(rpc->srpc_peer), swi_state2str(rpc->srpc_wi.swi_state), - rpc->srpc_wi.swi_workitem.wi_scheduled, - rpc->srpc_wi.swi_workitem.wi_running, rpc->srpc_ev.ev_fired, rpc->srpc_ev.ev_type, rpc->srpc_ev.ev_status, rpc->srpc_ev.ev_lnet); spin_unlock(&scd->scd_lock); @@ -725,7 +719,7 @@ __must_hold(&scd->scd_lock) } spin_unlock(&scd->scd_lock); - LIBCFS_FREE(buf, sizeof(*buf)); + kfree(buf); spin_lock(&scd->scd_lock); } @@ -947,7 +941,6 @@ srpc_server_rpc_done(struct srpc_server_rpc *rpc, int status) * Cancel pending schedules and prevent future schedule attempts: */ LASSERT(rpc->srpc_ev.ev_fired); - swi_exit_workitem(&rpc->srpc_wi); if (!sv->sv_shuttingdown && !list_empty(&scd->scd_buf_blocked)) { buffer = list_entry(scd->scd_buf_blocked.next, @@ -965,10 +958,10 @@ srpc_server_rpc_done(struct srpc_server_rpc *rpc, int status) } /* handles an incoming RPC */ -int +void srpc_handle_rpc(struct swi_workitem *wi) { - struct srpc_server_rpc *rpc = wi->swi_workitem.wi_data; + struct srpc_server_rpc *rpc = container_of(wi, struct srpc_server_rpc, srpc_wi); struct srpc_service_cd *scd = rpc->srpc_scd; struct srpc_service *sv = scd->scd_svc; struct srpc_event *ev = &rpc->srpc_ev; @@ -987,9 +980,8 @@ srpc_handle_rpc(struct swi_workitem *wi) if (ev->ev_fired) { /* no more event, OK to finish */ srpc_server_rpc_done(rpc, -ESHUTDOWN); - return 1; } - return 0; + return; } spin_unlock(&scd->scd_lock); @@ -1007,7 +999,7 @@ srpc_handle_rpc(struct swi_workitem *wi) if (!msg->msg_magic) { /* moaned already in srpc_lnet_ev_handler */ srpc_server_rpc_done(rpc, EBADMSG); - return 1; + return; } srpc_unpack_msg_hdr(msg); @@ -1023,7 +1015,7 @@ srpc_handle_rpc(struct swi_workitem *wi) LASSERT(!reply->status || !rpc->srpc_bulk); if (rc) { srpc_server_rpc_done(rpc, rc); - return 1; + return; } } @@ -1032,7 +1024,7 @@ srpc_handle_rpc(struct swi_workitem *wi) if (rpc->srpc_bulk) { rc = srpc_do_bulk(rpc); if (!rc) - return 0; /* wait for bulk */ + return; /* wait for bulk */ LASSERT(ev->ev_fired); ev->ev_status = rc; @@ -1050,16 +1042,16 @@ srpc_handle_rpc(struct swi_workitem *wi) if (rc) { srpc_server_rpc_done(rpc, rc); - return 1; + return; } } wi->swi_state = SWI_STATE_REPLY_SUBMITTED; rc = srpc_send_reply(rpc); if (!rc) - return 0; /* wait for reply */ + return; /* wait for reply */ srpc_server_rpc_done(rpc, rc); - return 1; + return; case SWI_STATE_REPLY_SUBMITTED: if (!ev->ev_fired) { @@ -1072,10 +1064,8 @@ srpc_handle_rpc(struct swi_workitem *wi) wi->swi_state = SWI_STATE_DONE; srpc_server_rpc_done(rpc, ev->ev_status); - return 1; + return; } - - return 0; } static void @@ -1170,7 +1160,6 @@ srpc_client_rpc_done(struct srpc_client_rpc *rpc, int status) * Cancel pending schedules and prevent future schedule attempts: */ LASSERT(!srpc_event_pending(rpc)); - swi_exit_workitem(wi); spin_unlock(&rpc->crpc_lock); @@ -1178,7 +1167,7 @@ srpc_client_rpc_done(struct srpc_client_rpc *rpc, int status) } /* sends an outgoing RPC */ -int +void srpc_send_rpc(struct swi_workitem *wi) { int rc = 0; @@ -1188,7 +1177,7 @@ srpc_send_rpc(struct swi_workitem *wi) LASSERT(wi); - rpc = wi->swi_workitem.wi_data; + rpc = container_of(wi, struct srpc_client_rpc, crpc_wi); LASSERT(rpc); LASSERT(wi == &rpc->crpc_wi); @@ -1214,7 +1203,7 @@ srpc_send_rpc(struct swi_workitem *wi) rc = srpc_prepare_reply(rpc); if (rc) { srpc_client_rpc_done(rpc, rc); - return 1; + return; } rc = srpc_prepare_bulk(rpc); @@ -1291,7 +1280,7 @@ srpc_send_rpc(struct swi_workitem *wi) wi->swi_state = SWI_STATE_DONE; srpc_client_rpc_done(rpc, rc); - return 1; + return; } if (rc) { @@ -1308,10 +1297,9 @@ abort: if (!srpc_event_pending(rpc)) { srpc_client_rpc_done(rpc, -EINTR); - return 1; + return; } } - return 0; } struct srpc_client_rpc * @@ -1322,8 +1310,8 @@ srpc_create_client_rpc(struct lnet_process_id peer, int service, { struct srpc_client_rpc *rpc; - LIBCFS_ALLOC(rpc, offsetof(struct srpc_client_rpc, - crpc_bulk.bk_iovs[nbulkiov])); + rpc = kzalloc(offsetof(struct srpc_client_rpc, + crpc_bulk.bk_iovs[nbulkiov]), GFP_KERNEL); if (!rpc) return NULL; |