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| author | Volker Sameske <sameske@de.ibm.com> | 2006-08-02 11:05:16 +0200 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-08-06 11:31:00 -0500 |
| commit | fea9d6c7bcd8ff1d60ff74f27ba483b3820b18a3 (patch) | |
| tree | 9fd3c531809f5b7a275540e5467a59e50b6630b7 /drivers/s390/scsi/zfcp_def.h | |
| parent | c2602c48b5ebde55b418ba252737bf60caa4bab0 (diff) | |
| download | kernel_samsung_smdk4412-fea9d6c7bcd8ff1d60ff74f27ba483b3820b18a3.zip kernel_samsung_smdk4412-fea9d6c7bcd8ff1d60ff74f27ba483b3820b18a3.tar.gz kernel_samsung_smdk4412-fea9d6c7bcd8ff1d60ff74f27ba483b3820b18a3.tar.bz2 | |
[SCSI] zfcp: improve management of request IDs
Improve request handling. Use hash table to manage request IDs.
Signed-off-by: Volker Sameske <sameske@de.ibm.com>
Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/s390/scsi/zfcp_def.h')
| -rw-r--r-- | drivers/s390/scsi/zfcp_def.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index 2df512a..72293f3 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -886,11 +886,11 @@ struct zfcp_adapter { struct list_head port_remove_lh; /* head of ports to be removed */ u32 ports; /* number of remote ports */ - struct timer_list scsi_er_timer; /* SCSI err recovery watch */ - struct list_head fsf_req_list_head; /* head of FSF req list */ - spinlock_t fsf_req_list_lock; /* lock for ops on list of - FSF requests */ - atomic_t fsf_reqs_active; /* # active FSF reqs */ + struct timer_list scsi_er_timer; /* SCSI err recovery watch */ + atomic_t reqs_active; /* # active FSF reqs */ + unsigned long req_no; /* unique FSF req number */ + struct list_head *req_list; /* list of pending reqs */ + spinlock_t req_list_lock; /* request list lock */ struct zfcp_qdio_queue request_queue; /* request queue */ u32 fsf_req_seq_no; /* FSF cmnd seq number */ wait_queue_head_t request_wq; /* can be used to wait for @@ -986,6 +986,7 @@ struct zfcp_unit { /* FSF request */ struct zfcp_fsf_req { struct list_head list; /* list of FSF requests */ + unsigned long req_id; /* unique request ID */ struct zfcp_adapter *adapter; /* adapter request belongs to */ u8 sbal_number; /* nr of SBALs free for use */ u8 sbal_first; /* first SBAL for this request */ |