io_uring: add io_disarm_next() helper

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A preparation patch placing all preparations before extracting a next
request into a separate helper io_disarm_next().

Also, don't spuriously do ev_posted in a rare case where REQ_F_FAIL_LINK
is set but there are no requests linked (i.e. after cancelling a linked
timeout or setting IOSQE_IO_LINK on a last request of a submission
batch).

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/44ecff68d6b47e1c4e6b891bdde1ddc08cfc3590.1615250156.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Pavel Begunkov 2021-03-09 00:37:58 +00:00 • committed by Jens Axboe

parent 97a73a0f9f

commit 33cc89a9fc

1 changed files with 35 additions and 33 deletions

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fs/io_uring.c

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