# Re: \[PATCH 1/9\] fs: add fcntl() interface for setting/getting write life time hints

- From: Jens Axboe \<axboe@kernel.dk\>
- Date: 2017-06-26 13:55:30 
- List: linux-block
- Page: https://ratatoskr.run/linux-block/2017/06/122154
- Thread: https://ratatoskr.run/linux-fsdevel/2017/06/122395/t.md

```text
On 06/26/2017 03:51 AM, Christoph Hellwig wrote:
> Please document the userspace API (added linux-api and linux-man
> to CC for sugestions), especially including the odd effects of the
> per-inode settings.

Of course, I'll send in a diff for the fcntl(2) man page.

> Also I would highly recommend to use different fcntl commands
> for the file vs inode hints to avoid any strange behavior.

OK, used to have that too... I can add specific _FILE versions.

-- 
Jens Axboe
```