diff options
| author |   Quinn Tran <qutran@marvell.com> | 2019-08-30 15:24:01 -0700 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2019-09-07 15:38:55 -0400 |
| commit | 2037ce49d30a0d07348df406ef78f6664f4bc899 (patch) | |
| tree | 58c55dc885cde3a494b073df69fbdddf8e0bd719 /drivers/scsi/qla2xxx | |
| parent | scsi: qla2xxx: Fix stuck login session (diff) | |
| download | linux-dev-2037ce49d30a0d07348df406ef78f6664f4bc899.tar.xz linux-dev-2037ce49d30a0d07348df406ef78f6664f4bc899.zip | |
scsi: qla2xxx: Fix stale session
On fast cable pull, where driver is unable to detect device has disappeared
and came back based on switch info, qla2xxx would not re-login while remote
port has already invalidated the session. This causes IO timeout. This
patch would relogin to remote device for RSCN affected port.
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Link: https://lore.kernel.org/r/20190830222402.23688-6-hmadhani@marvell.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_gs.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index 03f94eb372b6..dc0e36676313 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -3628,7 +3628,6 @@ void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp) list_for_each_entry(fcport, &vha->vp_fcports, list) { if (memcmp(rp->port_name, fcport->port_name, WWN_SIZE)) continue; - fcport->scan_needed = 0; fcport->scan_state = QLA_FCPORT_FOUND; found = true; /* @@ -3637,10 +3636,12 @@ void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp) if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { qla2x00_clear_loop_id(fcport); fcport->flags |= FCF_FABRIC_DEVICE; - } else if (fcport->d_id.b24 != rp->id.b24) { + } else if (fcport->d_id.b24 != rp->id.b24 || + fcport->scan_needed) { qlt_schedule_sess_for_deletion(fcport); } fcport->d_id.b24 = rp->id.b24; + fcport->scan_needed = 0; break; } |