From e5b003495e934321f78ba1f95e48da4a8c3a3a35 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 28 Apr 2022 14:02:49 -0600 Subject: [PATCH] io_uring: kill io_rw_buffer_select() wrapper After the recent changes, this is direct call to io_buffer_select() anyway. With this change, there are no wrappers left for provided buffer selection. Signed-off-by: Jens Axboe --- fs/io_uring.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/fs/io_uring.c b/fs/io_uring.c index 2b87c89..e133169 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -3486,12 +3486,6 @@ static void __user *io_buffer_select(struct io_kiocb *req, size_t *len, return ERR_PTR(-ENOBUFS); } -static void __user *io_rw_buffer_select(struct io_kiocb *req, size_t *len, - unsigned int issue_flags) -{ - return io_buffer_select(req, len, req->buf_index, issue_flags); -} - #ifdef CONFIG_COMPAT static ssize_t io_compat_import(struct io_kiocb *req, struct iovec *iov, unsigned int issue_flags) @@ -3499,7 +3493,7 @@ static ssize_t io_compat_import(struct io_kiocb *req, struct iovec *iov, struct compat_iovec __user *uiov; compat_ssize_t clen; void __user *buf; - ssize_t len; + size_t len; uiov = u64_to_user_ptr(req->rw.addr); if (!access_ok(uiov, sizeof(*uiov))) @@ -3510,7 +3504,7 @@ static ssize_t io_compat_import(struct io_kiocb *req, struct iovec *iov, return -EINVAL; len = clen; - buf = io_rw_buffer_select(req, &len, issue_flags); + buf = io_buffer_select(req, &len, req->buf_index, issue_flags); if (IS_ERR(buf)) return PTR_ERR(buf); iov[0].iov_base = buf; @@ -3532,7 +3526,7 @@ static ssize_t __io_iov_buffer_select(struct io_kiocb *req, struct iovec *iov, len = iov[0].iov_len; if (len < 0) return -EINVAL; - buf = io_rw_buffer_select(req, &len, issue_flags); + buf = io_buffer_select(req, &len, req->buf_index, issue_flags); if (IS_ERR(buf)) return PTR_ERR(buf); iov[0].iov_base = buf; @@ -3588,7 +3582,8 @@ static struct iovec *__io_import_iovec(int rw, struct io_kiocb *req, if (opcode == IORING_OP_READ || opcode == IORING_OP_WRITE) { if (req->flags & REQ_F_BUFFER_SELECT) { - buf = io_rw_buffer_select(req, &sqe_len, issue_flags); + buf = io_buffer_select(req, &sqe_len, req->buf_index, + issue_flags); if (IS_ERR(buf)) return ERR_CAST(buf); req->rw.len = sqe_len; -- 2.7.4