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authorKarsten Graul <kgraul@linux.vnet.ibm.com>2018-03-14 13:01:02 +0300
committerDavid S. Miller <davem@davemloft.net>2018-03-14 20:40:44 +0300
commit97cdbc4213df101228564b8d27090cc1f9a26332 (patch)
treebcb06958ece8510447c04a623c58d81eab390f5a /net/smc
parent268ffcc4ebfc8b10c1502357dfb82ce6af0770ac (diff)
downloadlinux-97cdbc4213df101228564b8d27090cc1f9a26332.tar.xz
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>
Diffstat (limited to 'net/smc')
-rw-r--r--net/smc/smc_core.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index ec6189fe2a48..f44f6803f7ff 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -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.