};
static bool blk_kick_flush(struct request_queue *q,
- struct blk_flush_queue *fq);
+ struct blk_flush_queue *fq, unsigned int flags);
static unsigned int blk_flush_policy(unsigned long fflags, struct request *rq)
{
struct request_queue *q = rq->q;
struct list_head *pending = &fq->flush_queue[fq->flush_pending_idx];
bool queued = false, kicked;
+ unsigned int cmd_flags;
BUG_ON(rq->flush.seq & seq);
rq->flush.seq |= seq;
+ cmd_flags = rq->cmd_flags;
if (likely(!error))
seq = blk_flush_cur_seq(rq);
BUG();
}
- kicked = blk_kick_flush(q, fq);
+ kicked = blk_kick_flush(q, fq, cmd_flags);
return kicked | queued;
}
* blk_kick_flush - consider issuing flush request
* @q: request_queue being kicked
* @fq: flush queue
+ * @flags: cmd_flags of the original request
*
* Flush related states of @q have changed, consider issuing flush request.
* Please read the comment at the top of this file for more info.
* RETURNS:
* %true if flush was issued, %false otherwise.
*/
-static bool blk_kick_flush(struct request_queue *q, struct blk_flush_queue *fq)
+static bool blk_kick_flush(struct request_queue *q, struct blk_flush_queue *fq,
+ unsigned int flags)
{
struct list_head *pending = &fq->flush_queue[fq->flush_pending_idx];
struct request *first_rq =
}
flush_rq->cmd_flags = REQ_OP_FLUSH | REQ_PREFLUSH;
+ flush_rq->cmd_flags |= (flags & REQ_DRV) | (flags & REQ_FAILFAST_MASK);
flush_rq->rq_flags |= RQF_FLUSH_SEQ;
flush_rq->rq_disk = first_rq->rq_disk;
flush_rq->end_io = flush_end_io;