diff options
Diffstat (limited to 'net/smc/smc_core.c')
-rw-r--r-- | net/smc/smc_core.c | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index 5b085efa3bce..824c5211b027 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -46,6 +46,7 @@ static DECLARE_WAIT_QUEUE_HEAD(lgrs_deleted); static void smc_buf_free(struct smc_link_group *lgr, bool is_rmb, struct smc_buf_desc *buf_desc); +static void __smc_lgr_terminate(struct smc_link_group *lgr, bool soft); /* return head of link group list and its lock for a given link group */ static inline struct list_head *smc_lgr_list_head(struct smc_link_group *lgr, @@ -241,7 +242,7 @@ static void smc_lgr_terminate_work(struct work_struct *work) struct smc_link_group *lgr = container_of(work, struct smc_link_group, terminate_work); - smc_lgr_terminate(lgr, true); + __smc_lgr_terminate(lgr, true); } /* create a new SMC link group */ @@ -588,15 +589,15 @@ static void smc_lgr_cleanup(struct smc_link_group *lgr) } else { struct smc_link *lnk = &lgr->lnk[SMC_SINGLE_LINK]; - wake_up(&lnk->wr_reg_wait); - if (lnk->state != SMC_LNK_INACTIVE) { - smc_link_send_delete(lnk, false); + if (lnk->state != SMC_LNK_INACTIVE) smc_llc_link_inactive(lnk); - } } } -/* terminate link group */ +/* terminate link group + * @soft: true if link group shutdown can take its time + * false if immediate link group shutdown is required + */ static void __smc_lgr_terminate(struct smc_link_group *lgr, bool soft) { struct smc_connection *conn; @@ -634,25 +635,20 @@ static void __smc_lgr_terminate(struct smc_link_group *lgr, bool soft) smc_lgr_free(lgr); } -/* unlink and terminate link group - * @soft: true if link group shutdown can take its time - * false if immediate link group shutdown is required - */ -void smc_lgr_terminate(struct smc_link_group *lgr, bool soft) +/* unlink link group and schedule termination */ +void smc_lgr_terminate_sched(struct smc_link_group *lgr) { spinlock_t *lgr_lock; smc_lgr_list_head(lgr, &lgr_lock); spin_lock_bh(lgr_lock); - if (lgr->terminating) { + if (list_empty(&lgr->list) || lgr->terminating || lgr->freeing) { spin_unlock_bh(lgr_lock); return; /* lgr already terminating */ } - if (!soft) - lgr->freeing = 1; list_del_init(&lgr->list); spin_unlock_bh(lgr_lock); - __smc_lgr_terminate(lgr, soft); + schedule_work(&lgr->terminate_work); } /* Called when IB port is terminated */ |