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blk-throttle: remove tg_drain_bios

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After blk_throtl_drain is removed, there is no caller of tg_drain_bios,
so remove it as well.

Signed-off-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Guoqing Jiang 2020-05-09 00:00:13 +02:00 committed by Jens Axboe
parent b77412372b
commit 32e3374304
1 changed files with 0 additions and 22 deletions
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22
block/blk-throttle.c
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@ -2358,28 +2358,6 @@ void blk_throtl_bio_endio(struct bio *bio)
}
#endif
/*
* Dispatch all bios from all children tg's queued on @parent_sq. On
* return, @parent_sq is guaranteed to not have any active children tg's
* and all bios from previously active tg's are on @parent_sq->bio_lists[].
*/
static void tg_drain_bios(struct throtl_service_queue *parent_sq)
{
struct throtl_grp *tg;
while ((tg = throtl_rb_first(parent_sq))) {
struct throtl_service_queue *sq = &tg->service_queue;
struct bio *bio;
throtl_dequeue_tg(tg);
while ((bio = throtl_peek_queued(&sq->queued[READ])))
tg_dispatch_one_bio(tg, bio_data_dir(bio));
while ((bio = throtl_peek_queued(&sq->queued[WRITE])))
tg_dispatch_one_bio(tg, bio_data_dir(bio));
}
}
int blk_throtl_init(struct request_queue *q)
{
struct throtl_data *td;