io_uring: replace list with array for compl batch

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Reincarnation of an old patch that replaces a list in struct
io_compl_batch with an array. It's needed to avoid hooking requests via
their compl.list, because it won't be always available in the future.

It's also nice to split io_submit_flush_completions() to avoid free
under locks and remove unlock/lock with a long comment describing when
it can be done.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Pavel Begunkov 2021-02-10 00:03:13 +00:00 • committed by Jens Axboe

parent 5087275dba

commit 6dd0be1e24

1 changed files with 11 additions and 24 deletions

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fs/io_uring.c

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