block: kill rq->data
commit731ec497e5888c6792ad62613ae9be97eebcd7ca
authorTejun Heo <tj@kernel.org>
Thu, 23 Apr 2009 02:05:20 +0000 (23 11:05 +0900)
committerJens Axboe <jens.axboe@oracle.com>
Tue, 28 Apr 2009 05:37:36 +0000 (28 07:37 +0200)
tree689a8442d8bdfd50ee6ab05b0c6acd0d229fe391
parentec24751a6b57e1373a12361e581b2458bc9bb791
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>
block/blk-core.c
block/blk-map.c
block/scsi_ioctl.c
drivers/scsi/scsi_lib.c
include/linux/blkdev.h