/* Ensure we clear previously set non-block flag */
if (!force_nonblock)
- req->rw.kiocb.ki_flags &= ~IOCB_NOWAIT;
+ kiocb->ki_flags &= ~IOCB_NOWAIT;
req->result = 0;
io_size = ret;
* If the file doesn't support async, mark it as REQ_F_MUST_PUNT so
* we know to async punt it even if it was opened O_NONBLOCK
*/
- if (force_nonblock && !io_file_supports_async(req->file)) {
- req->flags |= REQ_F_MUST_PUNT;
+ if (force_nonblock && !io_file_supports_async(req->file))
goto copy_iov;
- }
iov_count = iov_iter_count(&iter);
ret = rw_verify_area(READ, req->file, &kiocb->ki_pos, iov_count);
inline_vecs, &iter);
if (ret)
goto out_free;
+ /* any defer here is final, must blocking retry */
+ if (!(req->flags & REQ_F_NOWAIT))
+ req->flags |= REQ_F_MUST_PUNT;
return -EAGAIN;
}
}
* If the file doesn't support async, mark it as REQ_F_MUST_PUNT so
* we know to async punt it even if it was opened O_NONBLOCK
*/
- if (force_nonblock && !io_file_supports_async(req->file)) {
- req->flags |= REQ_F_MUST_PUNT;
+ if (force_nonblock && !io_file_supports_async(req->file))
goto copy_iov;
- }
/* file path doesn't support NOWAIT for non-direct_IO */
if (force_nonblock && !(kiocb->ki_flags & IOCB_DIRECT) &&
inline_vecs, &iter);
if (ret)
goto out_free;
+ /* any defer here is final, must blocking retry */
+ req->flags |= REQ_F_MUST_PUNT;
return -EAGAIN;
}
}