# Re: \[PATCH 1/4\] vfs: Prepare for adding a new preadv/pwritev with user flags.

- From: Christoph Hellwig \<hch@infradead.org\>
- Date: 2014-10-24 09:35:18 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2014/10/89273
- Thread: https://ratatoskr.run/linux-fsdevel/2014/10/89184/t.md

```text
On Tue, Oct 21, 2014 at 04:46:56PM -0400, Milosz Tanski wrote:
> Plumbing the flags argument through the vfs code so they can be passed down to
> __generic_file_(read/write)_iter function that do the acctual work.
> 
> Signed-off-by: Milosz Tanski <redacted>


The last hunk doesn't belong into this patch, both logically and because
the code won't actually compile after applying just this patch.

Otherwise looks good,

Reviewed-by: Christoph Hellwig <hch@lst.de>


This is the culprit:

> diff --git a/mm/filemap.c b/mm/filemap.c
> index 14b4642..cb7f530 100644
> --- a/mm/filemap.c
> +++ b/mm/filemap.c
> @@ -1465,7 +1465,7 @@ static void shrink_readahead_size_eio(struct file *filp,
>   * of the logic when it comes to error handling etc.
>   */
>  static ssize_t do_generic_file_read(struct file *filp, loff_t *ppos,
> -		struct iov_iter *iter, ssize_t written)
> +		struct iov_iter *iter, ssize_t written, int flags)
>  {
>  	struct address_space *mapping = filp->f_mapping;
>  	struct inode *inode = mapping->host;

--
To unsubscribe, send a message with 'unsubscribe linux-aio' in
the body to majordomo@kvack.org.  For more info on Linux AIO,
see: http://www.kvack.org/aio/
Don't email: <a href=mailto:"aart@kvack.org">aart@kvack.org</a>
```