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io_uring: inline io_put_req and friends 

One big omission is that io_put_req() haven't been marked inline, and at
least gcc 9 doesn't inline it, not to mention that it's really hot and
extra function call is intolerable, especially when it doesn't put a
final ref.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2021-03-19 17:22:37 +00:00 committed by Jens Axboe
parent 8dd03afe61
commit 0d85035a73
1 changed files with 2 additions and 2 deletions
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4
fs/io_uring.c
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@ -2166,7 +2166,7 @@ static void io_submit_flush_completions(struct io_comp_state *cs,
* Drop reference to request, return next in chain (if there is one) if this
* was the last reference to this request.
*/
static struct io_kiocb *io_put_req_find_next(struct io_kiocb *req)
static inline struct io_kiocb *io_put_req_find_next(struct io_kiocb *req)
{
struct io_kiocb *nxt = NULL;
@ -2177,7 +2177,7 @@ static struct io_kiocb *io_put_req_find_next(struct io_kiocb *req)
return nxt;
}
static void io_put_req(struct io_kiocb *req)
static inline void io_put_req(struct io_kiocb *req)
{
if (req_ref_put_and_test(req))
io_free_req(req);