From: Quinn Tran <[email protected]> when fabric scan thread encounters IOCB Q Full, schedule a delayed work to retry fabric scan.
Signed-off-by: Quinn Tran <[email protected]> Signed-off-by: Himanshu Madhani <[email protected]> --- drivers/scsi/qla2xxx/qla_gs.c | 28 ++++++++++++++++++++++------ 1 file changed, 22 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index ebf223cfebbc..749109c8f20b 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -4053,9 +4053,6 @@ static int qla24xx_async_gnnft(scsi_qla_host_t *vha, struct srb *sp, rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) { - spin_lock_irqsave(&vha->work_lock, flags); - vha->scan.scan_flags &= ~SF_SCANNING; - spin_unlock_irqrestore(&vha->work_lock, flags); goto done_free_sp; } @@ -4079,6 +4076,17 @@ static int qla24xx_async_gnnft(scsi_qla_host_t *vha, struct srb *sp, sp->free(sp); + spin_lock_irqsave(&vha->work_lock, flags); + vha->scan.scan_flags &= ~SF_SCANNING; + if (vha->scan.scan_flags == 0) { + ql_dbg(ql_dbg_disc, vha, 0xffff, + "%s: schedule\n", __func__); + vha->scan.scan_flags |= SF_QUEUED; + schedule_delayed_work(&vha->scan.scan_work, 5); + } + spin_unlock_irqrestore(&vha->work_lock, flags); + + return rval; } /* GNNFT */ @@ -4208,9 +4216,6 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp) rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) { - spin_lock_irqsave(&vha->work_lock, flags); - vha->scan.scan_flags &= ~SF_SCANNING; - spin_unlock_irqrestore(&vha->work_lock, flags); goto done_free_sp; } @@ -4234,6 +4239,17 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp) sp->free(sp); + spin_lock_irqsave(&vha->work_lock, flags); + vha->scan.scan_flags &= ~SF_SCANNING; + if (vha->scan.scan_flags == 0) { + ql_dbg(ql_dbg_disc, vha, 0xffff, + "%s: schedule\n", __func__); + vha->scan.scan_flags |= SF_QUEUED; + schedule_delayed_work(&vha->scan.scan_work, 5); + } + spin_unlock_irqrestore(&vha->work_lock, flags); + + return rval; } -- 2.12.0
