io_uring: remove dependency on ring->sq/cq_entries

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We have numbers of {sq,cq} entries cached in ctx, don't look up them in
user-shared rings as 1) it may fetch additional cacheline 2) user may
change it and so it's always error prone.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/745d31bc2da41283ddd0489ef784af5c8d6310e9.1621201931.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Pavel Begunkov 2021-05-16 22:58:08 +01:00 • committed by Jens Axboe

parent b13a8918d3

commit a566c5562d

1 changed files with 3 additions and 4 deletions

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fs/io_uring.c

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