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io_uring: return void from io_put_kbuf_comp()

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The only caller doesn't handle the return value of io_put_kbuf_comp(), so
change its return type into void.

Also follow Jens's suggestion to rename it as io_put_kbuf_drop().

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20240407132759.4056167-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Ming Lei 2024-04-07 21:27:59 +08:00 committed by Jens Axboe
parent c29006a245
commit bbbef3e9d2
2 changed files with 3 additions and 7 deletions
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2
io_uring/io_uring.c
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@ -381,7 +381,7 @@ static void io_clean_op(struct io_kiocb *req)
{
if (req->flags & REQ_F_BUFFER_SELECTED) {
spin_lock(&req->ctx->completion_lock);
io_put_kbuf_comp(req);
io_kbuf_drop(req);
spin_unlock(&req->ctx->completion_lock);
}

8
io_uring/kbuf.h
View File

@ -120,18 +120,14 @@ static inline void __io_put_kbuf_list(struct io_kiocb *req,
}
}
static inline unsigned int io_put_kbuf_comp(struct io_kiocb *req)
static inline void io_kbuf_drop(struct io_kiocb *req)
{
unsigned int ret;
lockdep_assert_held(&req->ctx->completion_lock);
if (!(req->flags & (REQ_F_BUFFER_SELECTED|REQ_F_BUFFER_RING)))
return 0;
return;
ret = IORING_CQE_F_BUFFER | (req->buf_index << IORING_CQE_BUFFER_SHIFT);
__io_put_kbuf_list(req, &req->ctx->io_buffers_comp);
return ret;
}
static inline unsigned int io_put_kbuf(struct io_kiocb *req,