io_uring: add and use struct io_rw for read/writes

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Put the kiocb in struct io_rw, and add the addr/len for the request as
well. Use the kiocb->private field for the buffer index for fixed reads
and writes.

Any use of kiocb->ki_filp is flipped to req->file. It's the same thing,
and less confusing.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

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This commit is contained in:

Jens Axboe 2019-12-20 08:45:55 -07:00

parent d55e5f5b70

commit 9adbd45d6d

1 changed files with 50 additions and 46 deletions

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96

fs/io_uring.c

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