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scsi: qla2xxx: Prevent relogin trigger from sending too many commands

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This patch adds check for pending work event before queueing
relogin work to prevent redundant work to be active at the
same time.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quinn Tran
2017-12-28 12:33:41 -08:00
committed by Martin K. Petersen
parent 3dbec59bdf
commit 6d67492764
4 changed files with 17 additions and 8 deletions
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6
drivers/scsi/qla2xxx/qla_gs.c
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@@ -3088,7 +3088,7 @@ static void qla2x00_async_gidpn_sp_done(void *s, int res)
u8 *id = fcport->ct_desc.ct_sns->p.rsp.rsp.gid_pn.port_id;
struct event_arg ea;
fcport->flags &= ~FCF_ASYNC_SENT;
fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
memset(&ea, 0, sizeof(ea));
ea.fcport = fcport;
@@ -3197,6 +3197,7 @@ int qla24xx_post_gidpn_work(struct scsi_qla_host *vha, fc_port_t *fcport)
return QLA_FUNCTION_FAILED;
e->u.fcport.fcport = fcport;
fcport->flags |= FCF_ASYNC_ACTIVE;
return qla2x00_post_work(vha, e);
}
@@ -3209,6 +3210,7 @@ int qla24xx_post_gpsc_work(struct scsi_qla_host *vha, fc_port_t *fcport)
return QLA_FUNCTION_FAILED;
e->u.fcport.fcport = fcport;
fcport->flags |= FCF_ASYNC_ACTIVE;
return qla2x00_post_work(vha, e);
}
@@ -3256,7 +3258,7 @@ static void qla24xx_async_gpsc_sp_done(void *s, int res)
"Async done-%s res %x, WWPN %8phC \n",
sp->name, res, fcport->port_name);
fcport->flags &= ~FCF_ASYNC_SENT;
fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
if (res == (DID_ERROR << 16)) {
/* entry status error */