io_uring: track fixed files with a bitmap

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In preparation for adding a basic allocator for direct descriptors,
add helpers that set/clear whether a file slot is used.

Reviewed-by: Hao Xu <howeyxu@tencent.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Jens Axboe 2022-05-07 09:56:13 -06:00

parent 7ccba24d3b

commit d78bd8adfc

1 changed files with 32 additions and 1 deletions

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fs/io_uring.c

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