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[SCSI] zfcp: Update status read mempool

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Commit 64deb6efdc 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 <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Christof Schmitt 2010-06-21 10:11:33 +02:00 committed by James Bottomley
parent c2af7545aa
commit 8d88cf3f3b
2 changed files with 10 additions and 1 deletions
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8
drivers/s390/scsi/zfcp_erp.c
View File

@ -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;

3
drivers/s390/scsi/zfcp_fsf.c
View File

@ -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);