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blk-throttle: Eliminate redundant checks for data direction 

After calling throtl_peek_queued(), the data direction can be determined so
there is no need to call bio_data_dir() to check the direction again.

Signed-off-by: Tang Yizhou <yizhou.tang@shopee.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240123081248.3752878-1-yizhou.tang@shopee.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Tang Yizhou 2024-01-23 16:12:48 +08:00 committed by Jens Axboe
parent 06b23f92af
commit 3bca7640b4
1 changed files with 2 additions and 2 deletions
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4
block/blk-throttle.c
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@ -1098,7 +1098,7 @@ static int throtl_dispatch_tg(struct throtl_grp *tg)
while ((bio = throtl_peek_queued(&sq->queued[READ])) &&
tg_may_dispatch(tg, bio, NULL)) {
tg_dispatch_one_bio(tg, bio_data_dir(bio));
tg_dispatch_one_bio(tg, READ);
nr_reads++;
if (nr_reads >= max_nr_reads)
@ -1108,7 +1108,7 @@ static int throtl_dispatch_tg(struct throtl_grp *tg)
while ((bio = throtl_peek_queued(&sq->queued[WRITE])) &&
tg_may_dispatch(tg, bio, NULL)) {
tg_dispatch_one_bio(tg, bio_data_dir(bio));
tg_dispatch_one_bio(tg, WRITE);
nr_writes++;
if (nr_writes >= max_nr_writes)