diff options
| author | Christof Schmitt <christof.schmitt@de.ibm.com> | 2009-08-18 15:43:20 +0200 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-09-05 08:49:28 -0500 |
| commit | 799b76d09aeee558d18c1f5b93e63f58f1d1fc11 (patch) | |
| tree | a1a05faa773b329246a4fa97ba7c0ac5201b5d40 /drivers/s390/scsi/zfcp_aux.c | |
| parent | 564e1c86c810f9ccfe4300afa402815e3db4886d (diff) | |
[SCSI] zfcp: Decouple gid_pn requests from erp
Don't let the erp wait for gid_pn requests to complete. Instead, queue
the gid_pn work, exit erp and let the finished gid_pn work trigger a
new port reopen.
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>
Diffstat (limited to 'drivers/s390/scsi/zfcp_aux.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_aux.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index ed7211ef04e..572dcd67e71 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -362,6 +362,11 @@ static int zfcp_allocate_low_mem_buffers(struct zfcp_adapter *adapter) if (!adapter->pool.erp_req) return -ENOMEM; + adapter->pool.gid_pn_req = + mempool_create_kmalloc_pool(1, sizeof(struct zfcp_fsf_req)); + if (!adapter->pool.gid_pn_req) + return -ENOMEM; + adapter->pool.scsi_req = mempool_create_kmalloc_pool(1, sizeof(struct zfcp_fsf_req)); if (!adapter->pool.scsi_req) @@ -379,7 +384,7 @@ static int zfcp_allocate_low_mem_buffers(struct zfcp_adapter *adapter) return -ENOMEM; adapter->pool.qtcb_pool = - mempool_create_slab_pool(3, zfcp_data.qtcb_cache); + mempool_create_slab_pool(4, zfcp_data.qtcb_cache); if (!adapter->pool.qtcb_pool) return -ENOMEM; @@ -652,7 +657,7 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn, init_waitqueue_head(&port->remove_wq); INIT_LIST_HEAD(&port->unit_list_head); - INIT_WORK(&port->gid_pn_work, zfcp_erp_port_strategy_open_lookup); + INIT_WORK(&port->gid_pn_work, zfcp_fc_port_did_lookup); INIT_WORK(&port->test_link_work, zfcp_fc_link_test_work); INIT_WORK(&port->rport_work, zfcp_scsi_rport_work); |