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drivers: use req op accessor

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The req operation REQ_OP is separated from the rq_flag_bits
definition. This converts the block layer drivers to
use req_op to get the op from the request struct.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Mike Christie
2016-06-05 14:32:17 -05:00
committed by Jens Axboe
parent d9d8c5c489
commit c2df40dfb8
14 changed files with 43 additions and 34 deletions
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6
drivers/block/loop.c
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@@ -544,7 +544,7 @@ static int do_req_filebacked(struct loop_device *lo, struct request *rq)
if (op_is_write(req_op(rq))) {
if (rq->cmd_flags & REQ_FLUSH)
ret = lo_req_flush(lo, rq);
else if (rq->cmd_flags & REQ_DISCARD)
else if (req_op(rq) == REQ_OP_DISCARD)
ret = lo_discard(lo, rq, pos);
else if (lo->transfer)
ret = lo_write_transfer(lo, rq, pos);
@@ -1659,8 +1659,8 @@ static int loop_queue_rq(struct blk_mq_hw_ctx *hctx,
if (lo->lo_state != Lo_bound)
return -EIO;
if (lo->use_dio && !(cmd->rq->cmd_flags & (REQ_FLUSH |
REQ_DISCARD)))
if (lo->use_dio && (!(cmd->rq->cmd_flags & REQ_FLUSH) ||
req_op(cmd->rq) == REQ_OP_DISCARD))
cmd->use_aio = true;
else
cmd->use_aio = false;