diff options
| author | Ming Lei <ming.lei@redhat.com> | 2025-08-21 12:02:06 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-08-24 11:41:12 -0600 |
| commit | d589bcddaa3f8b1668499c3f0466863df3abe37a (patch) | |
| tree | 9adb16da4b9ba04646921b785f3e24c8a350f22c /io_uring | |
| parent | fe524b06843c19cf8d0025b644d56c4c31e60bc9 (diff) | |
| download | lwn-d589bcddaa3f8b1668499c3f0466863df3abe37a.tar.gz lwn-d589bcddaa3f8b1668499c3f0466863df3abe37a.zip | |
io-uring: move `struct io_br_sel` into io_uring_types.h
Move `struct io_br_sel` into io_uring_types.h and prepare for supporting
provided buffer on uring_cmd.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250821040210.1152145-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/kbuf.h | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/io_uring/kbuf.h b/io_uring/kbuf.h index 32f73adbe1e9..ada382ff38d7 100644 --- a/io_uring/kbuf.h +++ b/io_uring/kbuf.h @@ -62,24 +62,6 @@ struct buf_sel_arg { unsigned short partial_map; }; -/* - * Return value from io_buffer_list selection, to avoid stashing it in - * struct io_kiocb. For legacy/classic provided buffers, keeping a reference - * across execution contexts are fine. But for ring provided buffers, the - * list may go away as soon as ->uring_lock is dropped. As the io_kiocb - * persists, it's better to just keep the buffer local for those cases. - */ -struct io_br_sel { - struct io_buffer_list *buf_list; - /* - * Some selection parts return the user address, others return an error. - */ - union { - void __user *addr; - ssize_t val; - }; -}; - struct io_br_sel io_buffer_select(struct io_kiocb *req, size_t *len, unsigned buf_group, unsigned int issue_flags); int io_buffers_select(struct io_kiocb *req, struct buf_sel_arg *arg, |