io_uring: Fix broken links with offloading

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io_sq_thread() processes sqes by 8 without considering links. As a
result, links will be randomely subdivided.

The easiest way to fix it is to call io_get_sqring() inside
io_submit_sqes() as do io_ring_submit().

Downsides:
1. This removes optimisation of not grabbing mm_struct for fixed files
2. It submitting all sqes in one go, without finer-grained sheduling
with cq processing.

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

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Pavel Begunkov 2019-10-25 12:31:30 +03:00 • committed by Jens Axboe

parent 84d55dc5b9

commit fb5ccc9878

1 changed files with 33 additions and 29 deletions

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fs/io_uring.c

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