mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-09-21 20:22:13 +08:00
block: Call .limit_depth() after .hctx has been set
commit6259151c04
upstream. Call .limit_depth() after data->hctx has been set such that data->hctx can be used in .limit_depth() implementations. Cc: Christoph Hellwig <hch@lst.de> Cc: Damien Le Moal <dlemoal@kernel.org> Cc: Zhiguo Niu <zhiguo.niu@unisoc.com> Fixes:07757588e5
("block/mq-deadline: Reserve 25% of scheduler tags for synchronous requests") Signed-off-by: Bart Van Assche <bvanassche@acm.org> Tested-by: Zhiguo Niu <zhiguo.niu@unisoc.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20240509170149.7639-2-bvanassche@acm.org Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
43158f1463
commit
9c18787ec3
@ -439,6 +439,7 @@ __blk_mq_alloc_requests_batch(struct blk_mq_alloc_data *data,
|
||||
|
||||
static struct request *__blk_mq_alloc_requests(struct blk_mq_alloc_data *data)
|
||||
{
|
||||
void (*limit_depth)(blk_opf_t, struct blk_mq_alloc_data *) = NULL;
|
||||
struct request_queue *q = data->q;
|
||||
u64 alloc_time_ns = 0;
|
||||
struct request *rq;
|
||||
@ -465,7 +466,7 @@ static struct request *__blk_mq_alloc_requests(struct blk_mq_alloc_data *data)
|
||||
!blk_op_is_passthrough(data->cmd_flags) &&
|
||||
e->type->ops.limit_depth &&
|
||||
!(data->flags & BLK_MQ_REQ_RESERVED))
|
||||
e->type->ops.limit_depth(data->cmd_flags, data);
|
||||
limit_depth = e->type->ops.limit_depth;
|
||||
}
|
||||
|
||||
retry:
|
||||
@ -477,6 +478,9 @@ retry:
|
||||
if (data->flags & BLK_MQ_REQ_RESERVED)
|
||||
data->rq_flags |= RQF_RESV;
|
||||
|
||||
if (limit_depth)
|
||||
limit_depth(data->cmd_flags, data);
|
||||
|
||||
/*
|
||||
* Try batched alloc if we want more than 1 tag.
|
||||
*/
|
||||
|
Loading…
Reference in New Issue
Block a user