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(parent: 971dc1f) | patch
io_uring: don't reinit submit state every time
authorPavel Begunkov <asml.silence@gmail.com>
Wed, 10 Feb 2021 00:03:12 +0000 (00:03 +0000)
committerJens Axboe <axboe@kernel.dk>
Wed, 10 Feb 2021 14:28:43 +0000 (07:28 -0700)
commit986f72f8ae1ed75be1755562d1f19679f6b883be
treecf6b621d5c8eb5af58994e96edc89b1a8016b52atree | snapshot
parent971dc1fd6cbc628c408b6c4d162ff86fd0487aa4commit | diff
io_uring: don't reinit submit state every time

As now submit_state is retained across syscalls, we can save ourself
from initialising it from ground up for each io_submit_sqes(). Set some
fields during ctx allocation, and just keep them always consistent.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
[axboe: remove unnecessary zeroing of ctx members]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
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