diff options
| -rw-r--r-- | fs/io_uring.c | 23 | ||||
| -rw-r--r-- | include/uapi/linux/io_uring.h | 2 |
2 files changed, 25 insertions, 0 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index c54a8bd37b54..407ba3388e14 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -654,6 +654,18 @@ static const struct io_op_def io_op_defs[] = { .needs_file = 1, .fd_non_neg = 1, }, + { + /* IORING_OP_READ */ + .needs_mm = 1, + .needs_file = 1, + .unbound_nonreg_file = 1, + }, + { + /* IORING_OP_WRITE */ + .needs_mm = 1, + .needs_file = 1, + .unbound_nonreg_file = 1, + }, }; static void io_wq_submit_work(struct io_wq_work **workptr); @@ -1867,6 +1879,13 @@ static ssize_t io_import_iovec(int rw, struct io_kiocb *req, if (req->rw.kiocb.private) return -EINVAL; + if (opcode == IORING_OP_READ || opcode == IORING_OP_WRITE) { + ssize_t ret; + ret = import_single_range(rw, buf, sqe_len, *iovec, iter); + *iovec = NULL; + return ret; + } + if (req->io) { struct io_async_rw *iorw = &req->io->rw; @@ -3634,10 +3653,12 @@ static int io_req_defer_prep(struct io_kiocb *req, break; case IORING_OP_READV: case IORING_OP_READ_FIXED: + case IORING_OP_READ: ret = io_read_prep(req, sqe, true); break; case IORING_OP_WRITEV: case IORING_OP_WRITE_FIXED: + case IORING_OP_WRITE: ret = io_write_prep(req, sqe, true); break; case IORING_OP_POLL_ADD: @@ -3741,6 +3762,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, break; case IORING_OP_READV: case IORING_OP_READ_FIXED: + case IORING_OP_READ: if (sqe) { ret = io_read_prep(req, sqe, force_nonblock); if (ret < 0) @@ -3750,6 +3772,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, break; case IORING_OP_WRITEV: case IORING_OP_WRITE_FIXED: + case IORING_OP_WRITE: if (sqe) { ret = io_write_prep(req, sqe, force_nonblock); if (ret < 0) diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index d7ec50247a3a..7fdf994f3313 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -84,6 +84,8 @@ enum { IORING_OP_CLOSE, IORING_OP_FILES_UPDATE, IORING_OP_STATX, + IORING_OP_READ, + IORING_OP_WRITE, /* this goes last, obviously */ IORING_OP_LAST, |