# Re: \[PATCH 4/4\] vfs: RWF\_NONBLOCK flag for preadv2

- From: Christoph Hellwig \<hidden\>
- Date: 2014-10-24 09:40:47 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2014/10/89276

```text
On Tue, Oct 21, 2014 at 04:46:59PM -0400, Milosz Tanski wrote:
> Filesystems that generic_file_read_iter will not be allowed to perform
> non-blocking reads. This only will read data if it's in the page cache and if
> there is no page error (causing a re-read).

I can't quite parse the first sentence, can you try to reword it?

> Christoph Hellwig wrote the filesystem specify code (cifs, ofs, shm, xfs).

s/specify/specific/.  It's so trivial that I don't think it matters.
```