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qla2xxx: Increase room in request queue for sending priority packets

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Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Himanshu Madhani 2014-09-25 06:14:46 -04:00 committed by Christoph Hellwig
parent 75554b68ac
commit 9400703744
1 changed files with 2 additions and 2 deletions
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4
drivers/scsi/qla2xxx/qla_iocb.c
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@ -1901,7 +1901,7 @@ qla2x00_alloc_iocbs(scsi_qla_host_t *vha, srb_t *sp)
skip_cmd_array:
/* Check for room on request queue. */
if (req->cnt < req_cnt) {
if (req->cnt < req_cnt + 2) {
if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha))
cnt = RD_REG_DWORD(&reg->isp25mq.req_q_out);
else if (IS_P3P_TYPE(ha))
@ -1920,7 +1920,7 @@ qla2x00_alloc_iocbs(scsi_qla_host_t *vha, srb_t *sp)
req->cnt = req->length -
(req->ring_index - cnt);
}
if (req->cnt < req_cnt)
if (req->cnt < req_cnt + 2)
goto queuing_error;
/* Prep packet */