io_uring: further deduplicate file slot selection

io_fixed_file_slot() and io_file_from_index() behave pretty similarly,
DRY and call one from another.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2021-02-28 22:35:11 +00:00 • committed by Jens Axboe
commit dafecf19e2