# Re: \[PATCH 7/9\] xfs: add support for passing in write hints for buffered writes

- From: Darrick J. Wong \<hidden\>
- Date: 2017-06-21 01:36:51 
- List: linux-block
- Page: https://ratatoskr.run/linux-block/2017/06/123063
- Thread: https://ratatoskr.run/linux-fsdevel/2017/06/122395/t.md

```text
On Tue, Jun 20, 2017 at 06:22:04PM -0600, Jens Axboe wrote:
> Reviewed-by: Andreas Dilger <redacted>
> Signed-off-by: Jens Axboe <axboe@kernel.dk>

Looks ok to me,
Reviewed-by: Darrick J. Wong <redacted>

--D

> ---
>  fs/xfs/xfs_aops.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
> index 76b6f988e2fa..e4d9d470402c 100644
> --- a/fs/xfs/xfs_aops.c
> +++ b/fs/xfs/xfs_aops.c
> @@ -506,6 +506,7 @@ xfs_submit_ioend(
>  		return status;
>  	}
>  
> +	ioend->io_bio->bi_opf |= write_hint_to_opf(inode_write_hint(ioend->io_inode));
>  	submit_bio(ioend->io_bio);
>  	return 0;
>  }
> @@ -565,6 +566,7 @@ xfs_chain_bio(
>  	bio_chain(ioend->io_bio, new);
>  	bio_get(ioend->io_bio);		/* for xfs_destroy_ioend */
>  	ioend->io_bio->bi_opf = REQ_OP_WRITE | wbc_to_write_flags(wbc);
> +	ioend->io_bio->bi_opf |= write_hint_to_opf(inode_write_hint(ioend->io_inode));
>  	submit_bio(ioend->io_bio);
>  	ioend->io_bio = new;
>  }
> -- 
> 2.7.4
> 
```