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8110c1a621
Some applications like to start small in terms of ring size, and then ramp up as needed. This is a bit tricky to do currently, since we don't advertise the max ring size. This adds IORING_SETUP_CLAMP. If set, and the values for SQ or CQ ring size exceed what we support, then clamp them at the max values instead of returning -EINVAL. Since we return the chosen ring sizes after setup, no further changes are needed on the application side. io_uring already changes the ring sizes if the application doesn't ask for power-of-two sizes, for example. Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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| linux | ||
| math-emu | ||
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| misc | ||
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