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blk-mq: remove blk_qc_t_valid 

Move the trivial check into the only caller.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Tested-by: Mark Wunderlich <mark.wunderlich@intel.com>
Link: https://lore.kernel.org/r/20211012111226.760968-9-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-10-12 13:12:18 +02:00 committed by Jens Axboe
parent efbabbe121
commit 28a1ae6b9d
2 changed files with 1 additions and 6 deletions
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2
block/blk-mq.c
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@ -4098,7 +4098,7 @@ static int blk_mq_poll_classic(struct request_queue *q, blk_qc_t cookie,
*/
int blk_poll(struct request_queue *q, blk_qc_t cookie, bool spin)
{
if (!blk_qc_t_valid(cookie) ||
if (cookie == BLK_QC_T_NONE ||
!test_bit(QUEUE_FLAG_POLL, &q->queue_flags))
return 0;

5
include/linux/blk_types.h
View File

@ -500,11 +500,6 @@ typedef unsigned int blk_qc_t;
#define BLK_QC_T_SHIFT 16
#define BLK_QC_T_INTERNAL (1U << 31)
static inline bool blk_qc_t_valid(blk_qc_t cookie)
{
return cookie != BLK_QC_T_NONE;
}
struct blk_rq_stat {
u64 mean;
u64 min;