# Re: \[PATCH v11 02/14\] fs: export variant of generic\_write\_checks without iov\_iter

- From: Nikolay Borisov \<hidden\>
- Date: 2021-10-14 12:03:55 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2021/10/215955
- Thread: https://ratatoskr.run/linux-btrfs/2021/09/213534/t.md

```text


On 1.09.21 г. 20:00, Omar Sandoval wrote:
> From: Omar Sandoval <redacted>
> 
> Encoded I/O in Btrfs needs to check a write with a given logical size
> without an iov_iter that matches that size (because the iov_iter we have
> is for the compressed data). So, factor out the parts of
> generic_write_check() that don't need an iov_iter into a new
> generic_write_checks_count() function and export that.
> 
> Signed-off-by: Omar Sandoval <redacted>

Reviewed-by: Nikolay Borisov <redacted>
```