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

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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>
This commit is contained in:
Karsten Graul 2020-05-01 12:48:10 +02:00 committed by David S. Miller
parent 87523930a1
commit 33d203302d
1 changed files with 0 additions and 33 deletions
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33
net/smc/smc_core.c
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@ -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);