diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_qdio.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_qdio.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index 26702b56a7ab..3a7f3374d10a 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -4,7 +4,7 @@ * * Setup and helper functions to access QDIO. * - * Copyright IBM Corp. 2002, 2017 + * Copyright IBM Corp. 2002, 2020 */ #define KMSG_COMPONENT "zfcp" @@ -342,6 +342,18 @@ void zfcp_qdio_close(struct zfcp_qdio *qdio) atomic_set(&qdio->req_q_free, 0); } +void zfcp_qdio_shost_update(struct zfcp_adapter *const adapter, + const struct zfcp_qdio *const qdio) +{ + struct Scsi_Host *const shost = adapter->scsi_host; + + if (shost == NULL) + return; + + shost->sg_tablesize = qdio->max_sbale_per_req; + shost->max_sectors = qdio->max_sbale_per_req * 8; +} + /** * zfcp_qdio_open - prepare and initialize response queue * @qdio: pointer to struct zfcp_qdio @@ -420,10 +432,7 @@ int zfcp_qdio_open(struct zfcp_qdio *qdio) atomic_set(&qdio->req_q_free, QDIO_MAX_BUFFERS_PER_Q); atomic_or(ZFCP_STATUS_ADAPTER_QDIOUP, &qdio->adapter->status); - if (adapter->scsi_host) { - adapter->scsi_host->sg_tablesize = qdio->max_sbale_per_req; - adapter->scsi_host->max_sectors = qdio->max_sbale_per_req * 8; - } + zfcp_qdio_shost_update(adapter, qdio); return 0; |