io_uring: add fully sparse buffer registration

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Honour IORING_RSRC_REGISTER_SPARSE not only for direct files but fixed
buffers as well. It makes the rsrc API more consistent.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/66f429e4912fe39fb3318217ff33a2853d4544be.1652879898.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Pavel Begunkov 2022-05-18 19:13:49 +01:00 • committed by Jens Axboe

parent 0bf1dbee9b

commit 0184f08e65

1 changed files with 15 additions and 7 deletions

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fs/io_uring.c

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