The block layer can use this knowledge to make smarter decisions on
how to handle the request, if it knows that N more may be coming. Switch
to using blk_start_plug_nr_ios() to pass in that information.
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
---
fs/io_uring.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 62dc128e9b6b..c35b0f230be8 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -314,6 +314,8 @@ struct io_submit_state {
bool plug_started;
bool need_plug;
+ unsigned short submit_nr;
+
/*
* Batch completion logic
*/
@@ -7035,7 +7037,7 @@ static int io_init_req(struct io_ring_ctx *ctx, struct io_kiocb *req,
* is potentially a read/write to block based storage.
*/
if (state->need_plug && io_op_defs[req->opcode].plug) {
- blk_start_plug(&state->plug);
+ blk_start_plug_nr_ios(&state->plug, state->submit_nr);
state->plug_started = true;
state->need_plug = false;
}
@@ -7150,6 +7152,7 @@ static void io_submit_state_start(struct io_submit_state *state,
{
state->plug_started = false;
state->need_plug = max_ios > 2;
+ state->submit_nr = max_ios;
/* set only head, no need to init link_last in advance */
state->link.head = NULL;
}
--
2.33.0
