From: Christof Schmitt Date: Mon, 21 Jun 2010 08:11:33 +0000 (+0200) Subject: [SCSI] zfcp: Update status read mempool X-Git-Tag: staging/v2.6.35~13^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8d88cf3f3b9af4713642caeb221b6d6a42019001;p=profile%2Fivi%2Fkernel-x86-ivi.git [SCSI] zfcp: Update status read mempool Commit 64deb6efdc5504ce97b5c1c6f281fffbc150bd93 changed the way status read buffers are handled but forgot to adjust the mempool to the new size. Add the call to resize the mempool after the exchange config data. Also use the define instead of the hard coded number in the fsf callback for consistency. Reviewed-by: Swen Schillig Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index e3dbeda..fd068bc 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -714,6 +714,14 @@ static int zfcp_erp_adapter_strategy_open_fsf(struct zfcp_erp_action *act) if (zfcp_erp_adapter_strategy_open_fsf_xport(act) == ZFCP_ERP_FAILED) return ZFCP_ERP_FAILED; + if (mempool_resize(act->adapter->pool.status_read_data, + act->adapter->stat_read_buf_num, GFP_KERNEL)) + return ZFCP_ERP_FAILED; + + if (mempool_resize(act->adapter->pool.status_read_req, + act->adapter->stat_read_buf_num, GFP_KERNEL)) + return ZFCP_ERP_FAILED; + atomic_set(&act->adapter->stat_miss, act->adapter->stat_read_buf_num); if (zfcp_status_read_refill(act->adapter)) return ZFCP_ERP_FAILED; diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 229795f..71663fb 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -496,7 +496,8 @@ static int zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *req) adapter->hydra_version = bottom->adapter_type; adapter->timer_ticks = bottom->timer_interval; - adapter->stat_read_buf_num = max(bottom->status_read_buf_num, (u16)16); + adapter->stat_read_buf_num = max(bottom->status_read_buf_num, + (u16)FSF_STATUS_READS_RECOM); if (fc_host_permanent_port_name(shost) == -1) fc_host_permanent_port_name(shost) = fc_host_port_name(shost);