Re: [PATCH] erofs: support direct IO for uncompressed file

[Christoph Hellwig]

On Wed, Dec 23, 2020 at 04:48:20PM +0800, Huang Jianan wrote:
> Hi Christoph,
> 
> The reason we use dio is because we need to deploy the patch on some early
> kernel versions, and we don't pay much attention to the change of iomap.

No, that is never an excuse for upstream development.