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io_uring: abstract out a bit of the ring filling logic

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Abstract out a io_uring_fill_params() helper, which fills out the
necessary bits of struct io_uring_params. Add it to io_uring.h as well,
in preparation for having another internal user of it.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe
2024-10-21 13:32:19 -06:00
parent 09d0a8ea7f
commit 81d8191eb9
2 changed files with 41 additions and 30 deletions
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io_uring/io_uring.h
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@@ -70,6 +70,7 @@ static inline bool io_should_wake(struct io_wait_queue *iowq)
unsigned long rings_size(unsigned int flags, unsigned int sq_entries,
unsigned int cq_entries, size_t *sq_offset);
int io_uring_fill_params(unsigned entries, struct io_uring_params *p);
bool io_cqe_cache_refill(struct io_ring_ctx *ctx, bool overflow);
int io_run_task_work_sig(struct io_ring_ctx *ctx);
void io_req_defer_failed(struct io_kiocb *req, s32 res);