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io_uring: move defer_list to slow data

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draining is slow path, move defer_list to the end where slow data lives
inside the context.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/e16379391ca72b490afdd24e8944baab849b4a7b.1655310733.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2022-06-15 17:33:48 +01:00 committed by Jens Axboe
parent 5ff4fdffad
commit b25436038f
1 changed files with 4 additions and 1 deletions
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5
io_uring/io_uring_types.h
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@ -162,7 +162,6 @@ struct io_ring_ctx {
struct io_uring_sqe *sq_sqes;
unsigned cached_sq_head;
unsigned sq_entries;
struct list_head defer_list;
/*
* Fixed resources fast path, should be accessed only under
@ -274,8 +273,12 @@ struct io_ring_ctx {
struct work_struct exit_work;
struct list_head tctx_list;
struct completion ref_comp;
/* io-wq management, e.g. thread count */
u32 iowq_limits[2];
bool iowq_limits_set;
struct list_head defer_list;
};
};