block: kill rq->data

Now that all block request data transfer is done via bio, rq->data
isn't used.  Kill it.

While at it, make the roles of rq->special and buffer clear.

[ Impact: drop now unncessary field from struct request ]

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Boaz Harrosh <bharrosh@panasas.com>
This commit is contained in:
Tejun Heo
2009-04-23 11:05:20 +09:00
committed by Jens Axboe
parent ec24751a6b
commit 731ec497e5
5 changed files with 7 additions and 11 deletions

View File

@ -211,8 +211,8 @@ struct request {
unsigned short ioprio;
void *special;
char *buffer;
void *special; /* opaque pointer available for LLD use */
char *buffer; /* kaddr of the current segment if available */
int tag;
int errors;
@ -229,7 +229,6 @@ struct request {
unsigned int data_len;
unsigned int extra_len; /* length of alignment and padding */
unsigned int sense_len;
void *data;
void *sense;
unsigned long deadline;