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[SCSI] zfcp: Rename sbal_last.

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sbal_last is confusing, as it is not the last one actually used,
but just a limit. sbal_limit is a better name.

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 12:17:42 +02:00 committed by James Bottomley
parent 0f83b110f0
commit d01d51beee
2 changed files with 5 additions and 5 deletions
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2
drivers/s390/scsi/zfcp_def.h
View file

@ -851,7 +851,7 @@ 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 possible SBAL for
u8 sbal_limit; /* last possible SBAL for
this reuest */
u8 sbal_curr; /* current SBAL during creation
of request */

8
drivers/s390/scsi/zfcp_qdio.c
View file

@ -432,9 +432,9 @@ zfcp_qdio_sbal_limit(struct zfcp_fsf_req *fsf_req, int max_sbals)
{
int count = atomic_read(&fsf_req->adapter->request_queue.free_count);
count = min(count, max_sbals);
fsf_req->sbal_last = fsf_req->sbal_first;
fsf_req->sbal_last += (count - 1);
fsf_req->sbal_last %= QDIO_MAX_BUFFERS_PER_Q;
fsf_req->sbal_limit = fsf_req->sbal_first;
fsf_req->sbal_limit += (count - 1);
fsf_req->sbal_limit %= QDIO_MAX_BUFFERS_PER_Q;
}
/**
@ -455,7 +455,7 @@ 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_last)
if (fsf_req->sbal_curr == fsf_req->sbal_limit)
return NULL;
/* set chaining flag in first SBALE of current SBAL */