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| author | Swen Schillig <swen@vnet.ibm.com> | 2009-08-18 15:43:15 +0200 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-09-05 08:49:20 -0500 |
| commit | a4623c467ff76f9258555d44d68371e10c5406c2 (patch) | |
| tree | e310a629eb7fbd4da4d9ab05049af16176b2b551 /drivers/s390/scsi/zfcp_def.h | |
| parent | 058b8647892ed49ba6a0d2c0966a72e20e2e69ff (diff) | |
| download | linux-a4623c467ff76f9258555d44d68371e10c5406c2.tar.gz linux-a4623c467ff76f9258555d44d68371e10c5406c2.tar.bz2 linux-a4623c467ff76f9258555d44d68371e10c5406c2.zip | |
[SCSI] zfcp: Improve request allocation through mempools
Remove the special case for NO_QTCB requests and optimize the
mempool and cache processing for fsfreqs. Especially use seperate
mempools for the zfcp_fsf_req and zfcp_qtcb structs.
Signed-off-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_def.h')
| -rw-r--r-- | drivers/s390/scsi/zfcp_def.h | 31 |
1 files changed, 18 insertions, 13 deletions
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index 944f67754eed..1e27ed5d90e0 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -264,12 +264,13 @@ struct zfcp_fsf_req; /* holds various memory pools of an adapter */ struct zfcp_adapter_mempool { - mempool_t *fsf_req_erp; - mempool_t *fsf_req_scsi; - mempool_t *fsf_req_abort; - mempool_t *fsf_req_status_read; - mempool_t *data_status_read; - mempool_t *data_gid_pn; + mempool_t *erp_req; + mempool_t *scsi_req; + mempool_t *scsi_abort; + mempool_t *status_read_req; + mempool_t *status_read_data; + mempool_t *gid_pn_data; + mempool_t *qtcb_pool; }; /* @@ -303,6 +304,15 @@ struct ct_iu_gid_pn_resp { u32 d_id; } __attribute__ ((packed)); +struct ct_iu_gpn_ft_req { + struct ct_hdr header; + u8 flags; + u8 domain_id_scope; + u8 area_id_scope; + u8 fc4_type; +} __attribute__ ((packed)); + + /** * struct zfcp_send_ct - used to pass parameters to function zfcp_fsf_send_ct * @wka_port: port where the request is sent to @@ -559,18 +569,13 @@ struct zfcp_data { lists */ struct semaphore config_sema; /* serialises configuration changes */ - struct kmem_cache *fsf_req_qtcb_cache; + struct kmem_cache *gpn_ft_cache; + struct kmem_cache *qtcb_cache; struct kmem_cache *sr_buffer_cache; struct kmem_cache *gid_pn_cache; struct workqueue_struct *work_queue; }; -/* struct used by memory pools for fsf_requests */ -struct zfcp_fsf_req_qtcb { - struct zfcp_fsf_req fsf_req; - struct fsf_qtcb qtcb; -}; - /********************** ZFCP SPECIFIC DEFINES ********************************/ #define ZFCP_SET 0x00000100 |