diff options
| author | Quinn Tran <quinn.tran@cavium.com> | 2018-05-01 09:01:47 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-05-08 00:46:11 -0400 |
| commit | bee8b84686c4918354dcf7eef5481b06bde8c26e (patch) | |
| tree | c61fec30987f4a4075885890cc95cebe871539e7 /drivers/scsi/qla2xxx/qla_init.c | |
| parent | 1d317b21231bb2b81a6e0f94f708b8619ec8775b (diff) | |
| download | linux-bee8b84686c4918354dcf7eef5481b06bde8c26e.tar.bz2 | |
scsi: qla2xxx: Reduce redundant ADISC command for RSCNs
For each RSCN that triggers a rescan of the fabric, ADISC is used to
revalidate an existing session. If the RSCN is not affecting all
existing sessions, then driver should not send redundant ADISC for all
existing sessions.
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>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_init.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index b9050cb52c0e..98d4b315d66a 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1348,6 +1348,7 @@ void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea) fc_port_t *f, *tf; uint32_t id = 0, mask, rid; unsigned long flags; + fc_port_t *fcport; switch (ea->event) { case FCME_RSCN: @@ -1375,6 +1376,11 @@ void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea) return; switch (ea->id.b.rsvd_1) { case RSCN_PORT_ADDR: + fcport = qla2x00_find_fcport_by_nportid + (vha, &ea->id, 1); + if (fcport) + fcport->rscn_rcvd = 1; + spin_lock_irqsave(&vha->work_lock, flags); if (vha->scan.scan_flags == 0) { ql_dbg(ql_dbg_disc, vha, 0xffff, |