net/smc: remove DELETE LINK processing from smc_core.c

Support for multiple links makes the former DELETE LINK processing
obsolete which sent one DELETE_LINK LLC message for each single link.
Remove this processing from smc_core.c.

Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Reviewed-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index 849ae3f..60c708f 100644 (file)
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -202,20 +202,6 @@ void smc_lgr_cleanup_early(struct smc_connection *conn)
        smc_lgr_schedule_free_work_fast(lgr);
 }
 
-/* Send delete link, either as client to request the initiation
- * of the DELETE LINK sequence from server; or as server to
- * initiate the delete processing. See smc_llc_rx_delete_link().
- */
-static int smcr_link_send_delete(struct smc_link *lnk, bool orderly)
-{
-       if (lnk->state == SMC_LNK_ACTIVE &&
-           !smc_llc_send_delete_link(lnk, 0, SMC_LLC_REQ, orderly,
-                                     SMC_LLC_DEL_PROG_INIT_TERM)) {
-               return 0;
-       }
-       return -ENOTCONN;
-}
-
 static void smc_lgr_free(struct smc_link_group *lgr);
 
 static void smc_lgr_free_work(struct work_struct *work)
@@ -241,25 +227,6 @@ static void smc_lgr_free_work(struct work_struct *work)
                return;
        }
        list_del_init(&lgr->list); /* remove from smc_lgr_list */
-
-       if (!lgr->is_smcd && !lgr->terminating) {
-               bool do_wait = false;
-
-               for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
-                       struct smc_link *lnk = &lgr->lnk[i];
-                       /* try to send del link msg, on err free immediately */
-                       if (lnk->state == SMC_LNK_ACTIVE &&
-                           !smcr_link_send_delete(lnk, true)) {
-                               /* reschedule in case we never receive a resp */
-                               smc_lgr_schedule_free_work(lgr);
-                               do_wait = true;
-                       }
-               }
-               if (do_wait) {
-                       spin_unlock_bh(lgr_lock);
-                       return; /* wait for resp, see smc_llc_rx_delete_link */
-               }
-       }
        lgr->freeing = 1; /* this instance does the freeing, no new schedule */
        spin_unlock_bh(lgr_lock);
        cancel_delayed_work(&lgr->free_work);