io_uring: optimise rw comletion handlers

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Don't override req->result in io_complete_rw_iopoll() when it's already
of the same value, we have an if just above it, so move the assignment
there. Also, add one simle unlikely() in __io_complete_rw_common().

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/8dfeb4f84026a20172bcf82c05010abe955874ae.1634144845.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Pavel Begunkov 2021-10-14 16:10:14 +01:00 • committed by Jens Axboe

parent f80a50a632

commit 258f3a7f84

1 changed files with 2 additions and 2 deletions

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fs/io_uring.c

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