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| author | Dylan Reid <dgreid@chromium.org> | 2020-04-08 00:47:45 +0000 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-04-10 00:13:08 +0000 |
| commit | 03164ca9d8baca09f4d8afedc25d57ddeb2361e6 (patch) | |
| tree | 123b38c2a6c5955af3623fea9d4b015683a3bc4f /devices | |
| parent | 23a2b7b8a22a4ca589a58c804596eddfbceab4e3 (diff) | |
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io_uring: allocate iovecs based on returned count from the kernel
The kernel is allowed to not only limit the number of requested entries, but also provide more than is requested. If a non-power-of-2 is requested, it will be rounded up to the next power of 2. Ensure that there are enough iovecs by allocating them based on the number returned from io_uring_setup instead of the number of entries requested. TEST=cargo test read_parallel Change-Id: If92e0a31858d1af53b99af8415002a4f26b48230 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2140915 Reviewed-by: Chirantan Ekbote <chirantan@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Tested-by: Dylan Reid <dgreid@chromium.org> Commit-Queue: Dylan Reid <dgreid@chromium.org>
Diffstat (limited to 'devices')
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