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net/smc: schedule free_work when link group is terminated 

The free_work worker must be scheduled when the link group is
abnormally terminated.

Signed-off-by: Karsten Graul <kgraul@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Karsten Graul 2018-03-14 11:01:02 +01:00 committed by David S. Miller
parent 268ffcc4eb
commit 97cdbc4213
1 changed files with 13 additions and 7 deletions
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20
net/smc/smc_core.c
View File

@ -32,6 +32,17 @@
static u32 smc_lgr_num; /* unique link group number */
static void smc_lgr_schedule_free_work(struct smc_link_group *lgr)
{
/* client link group creation always follows the server link group
* creation. For client use a somewhat higher removal delay time,
* otherwise there is a risk of out-of-sync link groups.
*/
mod_delayed_work(system_wq, &lgr->free_work,
lgr->role == SMC_CLNT ? SMC_LGR_FREE_DELAY_CLNT :
SMC_LGR_FREE_DELAY_SERV);
}
/* Register connection's alert token in our lookup structure.
* To use rbtrees we have to implement our own insert core.
* Requires @conns_lock
@ -111,13 +122,7 @@ static void smc_lgr_unregister_conn(struct smc_connection *conn)
write_unlock_bh(&lgr->conns_lock);
if (!reduced || lgr->conns_num)
return;
/* client link group creation always follows the server link group
* creation. For client use a somewhat higher removal delay time,
* otherwise there is a risk of out-of-sync link groups.
*/
mod_delayed_work(system_wq, &lgr->free_work,
lgr->role == SMC_CLNT ? SMC_LGR_FREE_DELAY_CLNT :
SMC_LGR_FREE_DELAY_SERV);
smc_lgr_schedule_free_work(lgr);
}
static void smc_lgr_free_work(struct work_struct *work)
@ -344,6 +349,7 @@ void smc_lgr_terminate(struct smc_link_group *lgr)
}
write_unlock_bh(&lgr->conns_lock);
wake_up(&lgr->lnk[SMC_SINGLE_LINK].wr_reg_wait);
smc_lgr_schedule_free_work(lgr);
}
/* Determine vlan of internal TCP socket.