diff options
Diffstat (limited to 'io_uring/kbuf.c')
| -rw-r--r-- | io_uring/kbuf.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c index 8bf47e49ea5b..5e00f16e89b8 100644 --- a/io_uring/kbuf.c +++ b/io_uring/kbuf.c @@ -74,34 +74,6 @@ void io_kbuf_recycle_legacy(struct io_kiocb *req, unsigned issue_flags) return; } -void io_kbuf_recycle_ring(struct io_kiocb *req) -{ - /* - * We don't need to recycle for REQ_F_BUFFER_RING, we can just clear - * the flag and hence ensure that bl->head doesn't get incremented. - * If the tail has already been incremented, hang on to it. - * The exception is partial io, that case we should increment bl->head - * to monopolize the buffer. - */ - if (req->buf_list) { - if (req->flags & REQ_F_PARTIAL_IO) { - /* - * If we end up here, then the io_uring_lock has - * been kept held since we retrieved the buffer. - * For the io-wq case, we already cleared - * req->buf_list when the buffer was retrieved, - * hence it cannot be set here for that case. - */ - req->buf_list->head++; - req->buf_list = NULL; - } else { - req->buf_index = req->buf_list->bgid; - req->flags &= ~REQ_F_BUFFER_RING; - } - } - return; -} - unsigned int __io_put_kbuf(struct io_kiocb *req, unsigned issue_flags) { unsigned int cflags; |