| // SPDX-License-Identifier: GPL-2.0 |
| #include <linux/kernel.h> |
| #include <linux/syscalls.h> |
| #include <linux/io_uring.h> |
| #include <uapi/linux/io_uring.h> |
| #include "../fs/internal.h" |
| int io_ftruncate_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) |
| struct io_ftrunc *ft = io_kiocb_to_cmd(req, struct io_ftrunc); |
| if (sqe->rw_flags || sqe->addr || sqe->len || sqe->buf_index || |
| sqe->splice_fd_in || sqe->addr3) |
| ft->len = READ_ONCE(sqe->off); |
| req->flags |= REQ_F_FORCE_ASYNC; |
| int io_ftruncate(struct io_kiocb *req, unsigned int issue_flags) |
| struct io_ftrunc *ft = io_kiocb_to_cmd(req, struct io_ftrunc); |
| WARN_ON_ONCE(issue_flags & IO_URING_F_NONBLOCK); |
| ret = do_ftruncate(req->file, ft->len, 1); |
| io_req_set_res(req, ret, 0); |