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| author | Karsten Graul <kgraul@linux.ibm.com> | 2020-04-29 17:10:45 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-04-29 12:26:32 -0700 |
| commit | 2140ac26f8f501d3cc8f1575e6419f1a50779496 (patch) | |
| tree | b19a2b0e88fbf64e9b1345ee5168295db59ab9c9 /net/smc | |
| parent | 1020e1ef53ceef715f2bc144eebbfe01e88effcf (diff) | |
| download | linux-2140ac26f8f501d3cc8f1575e6419f1a50779496.tar.gz linux-2140ac26f8f501d3cc8f1575e6419f1a50779496.tar.bz2 linux-2140ac26f8f501d3cc8f1575e6419f1a50779496.zip | |
net/smc: simplify link deactivation
Cancel the testlink worker during link clear processing and remove the
extra function smc_llc_link_inactive().
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>
Diffstat (limited to 'net/smc')
| -rw-r--r-- | net/smc/smc_core.c | 8 | ||||
| -rw-r--r-- | net/smc/smc_llc.c | 15 | ||||
| -rw-r--r-- | net/smc/smc_llc.h | 1 |
3 files changed, 6 insertions, 18 deletions
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index 57890cbd4e8a..78ccfbf6e4af 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -261,7 +261,7 @@ static void smc_lgr_free_work(struct work_struct *work) struct smc_link *lnk = &lgr->lnk[i]; if (smc_link_usable(lnk)) - smc_llc_link_inactive(lnk); + lnk->state = SMC_LNK_INACTIVE; } } smc_lgr_free(lgr); @@ -692,7 +692,7 @@ static void smc_lgr_cleanup(struct smc_link_group *lgr) struct smc_link *lnk = &lgr->lnk[i]; if (smc_link_usable(lnk)) - smc_llc_link_inactive(lnk); + lnk->state = SMC_LNK_INACTIVE; } } } @@ -706,16 +706,12 @@ static void __smc_lgr_terminate(struct smc_link_group *lgr, bool soft) struct smc_connection *conn; struct smc_sock *smc; struct rb_node *node; - int i; if (lgr->terminating) return; /* lgr already terminating */ if (!soft) cancel_delayed_work_sync(&lgr->free_work); lgr->terminating = 1; - if (!lgr->is_smcd) - for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) - smc_llc_link_inactive(&lgr->lnk[i]); /* kill remaining link group connections */ read_lock_bh(&lgr->conns_lock); diff --git a/net/smc/smc_llc.c b/net/smc/smc_llc.c index 69cc0d65b437..2f03131c85fd 100644 --- a/net/smc/smc_llc.c +++ b/net/smc/smc_llc.c @@ -660,22 +660,15 @@ void smc_llc_link_deleting(struct smc_link *link) smc_wr_wakeup_tx_wait(link); } -/* called in tasklet context */ -void smc_llc_link_inactive(struct smc_link *link) -{ - if (link->state == SMC_LNK_INACTIVE) - return; - link->state = SMC_LNK_INACTIVE; - cancel_delayed_work_sync(&link->llc_testlink_wrk); - smc_wr_wakeup_reg_wait(link); - smc_wr_wakeup_tx_wait(link); -} - /* called in worker context */ void smc_llc_link_clear(struct smc_link *link) { flush_workqueue(link->llc_wq); destroy_workqueue(link->llc_wq); + complete(&link->llc_testlink_resp); + cancel_delayed_work_sync(&link->llc_testlink_wrk); + smc_wr_wakeup_reg_wait(link); + smc_wr_wakeup_tx_wait(link); } /* register a new rtoken at the remote peer */ diff --git a/net/smc/smc_llc.h b/net/smc/smc_llc.h index 08171131110c..c2c9d48d079f 100644 --- a/net/smc/smc_llc.h +++ b/net/smc/smc_llc.h @@ -56,7 +56,6 @@ int smc_llc_send_delete_link(struct smc_link *link, int smc_llc_link_init(struct smc_link *link); void smc_llc_link_active(struct smc_link *link, int testlink_time); void smc_llc_link_deleting(struct smc_link *link); -void smc_llc_link_inactive(struct smc_link *link); void smc_llc_link_clear(struct smc_link *link); int smc_llc_do_confirm_rkey(struct smc_link *link, struct smc_buf_desc *rmb_desc); |