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io_uring: clean up buffer select
authorPavel Begunkov <asml.silence@gmail.com>
Fri, 1 Oct 2021 17:07:03 +0000 (18:07 +0100)
committerJens Axboe <axboe@kernel.dk>
Tue, 19 Oct 2021 11:49:54 +0000 (05:49 -0600)
commit30d51dd4ad2040d4c90497287b69635af7c67502
tree26eb5a680e912ae6d50e80bafcdc19fd73053c24
parentfc0ae0244bbbedf309a835afb278e39a3fc9bb94
io_uring: clean up buffer select

Hiding a pointer to a struct io_buffer in rw.addr is error prone. We
have some place in io_kiocb, so keep kbuf's in a separate field
without aliasing and risks of it being misused.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/3e63a6a953b04cad81d9ea827b12344dd57b37b4.1633107393.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c