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[SCSI] zfcp: Rename sbal_curr to sbal_last.

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sbal_last is more appropriate, because it matches sbal_first.

Signed-off-by: Martin Peschke <mp3@de.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Martin Peschke 2008-05-19 12:17:43 +02:00 committed by James Bottomley
parent d01d51beee
commit e891bffe92
5 changed files with 30 additions and 31 deletions
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4
drivers/s390/scsi/zfcp_dbf.c
View File

@ -186,7 +186,7 @@ void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req)
fsf_status_qual, FSF_STATUS_QUALIFIER_SIZE);
response->fsf_req_status = fsf_req->status;
response->sbal_first = fsf_req->sbal_first;
response->sbal_curr = fsf_req->sbal_curr;
response->sbal_last = fsf_req->sbal_last;
response->pool = fsf_req->pool != NULL;
response->erp_action = (unsigned long)fsf_req->erp_action;
@ -354,7 +354,7 @@ static void zfcp_hba_dbf_view_response(char **p,
FSF_STATUS_QUALIFIER_SIZE, 0, FSF_STATUS_QUALIFIER_SIZE);
zfcp_dbf_out(p, "fsf_req_status", "0x%08x", r->fsf_req_status);
zfcp_dbf_out(p, "sbal_first", "0x%02x", r->sbal_first);
zfcp_dbf_out(p, "sbal_curr", "0x%02x", r->sbal_curr);
zfcp_dbf_out(p, "sbal_last", "0x%02x", r->sbal_last);
zfcp_dbf_out(p, "pool", "0x%02x", r->pool);
switch (r->fsf_command) {

2
drivers/s390/scsi/zfcp_dbf.h
View File

@ -97,7 +97,7 @@ struct zfcp_hba_dbf_record_response {
u8 fsf_status_qual[FSF_STATUS_QUALIFIER_SIZE];
u32 fsf_req_status;
u8 sbal_first;
u8 sbal_curr;
u8 sbal_last;
u8 pool;
u64 erp_action;
union {

3
drivers/s390/scsi/zfcp_def.h
View File

@ -851,10 +851,9 @@ struct zfcp_fsf_req {
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 */
u8 sbal_last; /* last SBAL for this request */
u8 sbal_limit; /* last possible SBAL for
this reuest */
u8 sbal_curr; /* current SBAL during creation
of request */
u8 sbale_curr; /* current SBALE during creation
of request */
wait_queue_head_t completion_wq; /* can be used by a routine

36
drivers/s390/scsi/zfcp_fsf.c
View File

@ -726,7 +726,7 @@ zfcp_fsf_status_read(struct zfcp_adapter *adapter, int req_flags)
goto failed_req_create;
}
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
sbale[0].flags |= SBAL_FLAGS0_TYPE_STATUS;
sbale[2].flags |= SBAL_FLAGS_LAST_ENTRY;
fsf_req->sbale_curr = 2;
@ -1075,7 +1075,7 @@ zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
&unit->status)))
goto unit_blocked;
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
@ -1295,7 +1295,7 @@ zfcp_fsf_send_ct(struct zfcp_send_ct *ct, mempool_t *pool,
goto failed_req;
}
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
if (zfcp_use_one_sbal(ct->req, ct->req_count,
ct->resp, ct->resp_count)){
/* both request buffer and response buffer
@ -1593,7 +1593,7 @@ zfcp_fsf_send_els(struct zfcp_send_els *els)
goto port_blocked;
}
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
if (zfcp_use_one_sbal(els->req, els->req_count,
els->resp, els->resp_count)){
/* both request buffer and response buffer
@ -1657,7 +1657,7 @@ zfcp_fsf_send_els(struct zfcp_send_els *els)
fsf_req->qtcb->bottom.support.timeout = ZFCP_ELS_TIMEOUT;
fsf_req->data = (unsigned long) els;
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
zfcp_san_dbf_event_els_request(fsf_req);
@ -1872,7 +1872,7 @@ zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
return retval;
}
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
@ -1925,7 +1925,7 @@ zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter,
return retval;
}
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
@ -2187,7 +2187,7 @@ zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
return retval;
}
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
@ -2249,7 +2249,7 @@ zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter,
if (data)
fsf_req->data = (unsigned long) data;
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
@ -2359,7 +2359,7 @@ zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
goto out;
}
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
@ -2591,7 +2591,7 @@ zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
goto out;
}
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
@ -2720,7 +2720,7 @@ zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
goto out;
}
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
@ -2915,7 +2915,7 @@ zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
goto out;
}
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
@ -3230,7 +3230,7 @@ zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
goto out;
}
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
@ -3613,7 +3613,7 @@ zfcp_fsf_send_fcp_command_task_management(struct zfcp_adapter *adapter,
fsf_req->qtcb->bottom.io.fcp_cmnd_length =
sizeof (struct fcp_cmnd_iu) + sizeof (fcp_dl_t);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
sbale[0].flags |= SBAL_FLAGS0_TYPE_WRITE;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
@ -4238,7 +4238,7 @@ zfcp_fsf_control_file(struct zfcp_adapter *adapter,
goto unlock_queue_lock;
}
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
sbale[0].flags |= direction;
bottom = &fsf_req->qtcb->bottom.support;
@ -4590,14 +4590,14 @@ zfcp_fsf_req_create(struct zfcp_adapter *adapter, u32 fsf_cmd, int req_flags,
}
fsf_req->sbal_number = 1;
fsf_req->sbal_first = req_queue->free_index;
fsf_req->sbal_curr = req_queue->free_index;
fsf_req->sbal_last = req_queue->free_index;
fsf_req->sbale_curr = 1;
if (likely(req_flags & ZFCP_REQ_AUTO_CLEANUP)) {
fsf_req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
}
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
/* setup common SBALE fields */
sbale[0].addr = (void *) fsf_req->req_id;

16
drivers/s390/scsi/zfcp_qdio.c
View File

@ -415,7 +415,7 @@ zfcp_qdio_sbale_resp(struct zfcp_fsf_req *fsf_req, int sbal, int sbale)
volatile struct qdio_buffer_element *
zfcp_qdio_sbale_curr(struct zfcp_fsf_req *fsf_req)
{
return zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr,
return zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last,
fsf_req->sbale_curr);
}
@ -443,7 +443,7 @@ zfcp_qdio_sbal_limit(struct zfcp_fsf_req *fsf_req, int max_sbals)
* @fsf_req: zfcp_fsf_req to be processed
* @sbtype: SBAL flags which have to be set in first SBALE of new SBAL
*
* This function changes sbal_curr, sbale_curr, sbal_number of fsf_req.
* This function changes sbal_last, sbale_curr, sbal_number of fsf_req.
*/
static volatile struct qdio_buffer_element *
zfcp_qdio_sbal_chain(struct zfcp_fsf_req *fsf_req, unsigned long sbtype)
@ -455,16 +455,16 @@ zfcp_qdio_sbal_chain(struct zfcp_fsf_req *fsf_req, unsigned long sbtype)
sbale->flags |= SBAL_FLAGS_LAST_ENTRY;
/* don't exceed last allowed SBAL */
if (fsf_req->sbal_curr == fsf_req->sbal_limit)
if (fsf_req->sbal_last == fsf_req->sbal_limit)
return NULL;
/* set chaining flag in first SBALE of current SBAL */
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
sbale->flags |= SBAL_FLAGS0_MORE_SBALS;
/* calculate index of next SBAL */
fsf_req->sbal_curr++;
fsf_req->sbal_curr %= QDIO_MAX_BUFFERS_PER_Q;
fsf_req->sbal_last++;
fsf_req->sbal_last %= QDIO_MAX_BUFFERS_PER_Q;
/* keep this requests number of SBALs up-to-date */
fsf_req->sbal_number++;
@ -523,7 +523,7 @@ static inline int
zfcp_qdio_sbals_wipe(struct zfcp_fsf_req *fsf_req)
{
return zfcp_qdio_sbals_zero(&fsf_req->adapter->request_queue,
fsf_req->sbal_first, fsf_req->sbal_curr);
fsf_req->sbal_first, fsf_req->sbal_last);
}
@ -601,7 +601,7 @@ zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *fsf_req, unsigned long sbtype,
zfcp_qdio_sbal_limit(fsf_req, max_sbals);
/* set storage-block type for current SBAL */
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_last, 0);
sbale->flags |= sbtype;
/* process all segements of scatter-gather list */