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io_uring: reshuffle io_submit_state bits 

struct io_submit_state's ->free_list and ->link are hotter and smaller
than ->plug, place them first.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/6ad3c15849f50b27ad012c042c73e6e069d22df7.1633532552.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2021-10-06 16:06:48 +01:00 committed by Jens Axboe
parent 756ab7c0ec
commit 5a158c6b0d
1 changed files with 5 additions and 9 deletions
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14
fs/io_uring.c
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@ -308,19 +308,15 @@ struct io_submit_link {
}; };
struct io_submit_state { struct io_submit_state {
struct blk_plug plug; /* inline/task_work completion list, under ->uring_lock */
struct io_wq_work_node free_list;
/* batch completion logic */
struct io_wq_work_list compl_reqs;
struct io_submit_link link; struct io_submit_link link;
bool plug_started; bool plug_started;
bool need_plug; bool need_plug;
struct blk_plug plug;
/*
* Batch completion logic
*/
struct io_wq_work_list compl_reqs;
/* inline/task_work completion list, under ->uring_lock */
struct io_wq_work_node free_list;
}; };
struct io_ring_ctx { struct io_ring_ctx {