Re: [RFC 0/7] ext4: Allocator changes for atomic write support with DIO

[John Garry]

On 12/12/2023 13:10, Christoph Hellwig wrote:
> On Tue, Dec 12, 2023 at 07:46:51AM +0000, John Garry wrote:
> > It is assumed that the user will fallocate/dd the complete file before
> > issuing atomic writes, and we will have extent alignment and length as
> > required.
> I don't think that's a long time maintainable usage model.

ok, sure - as I may have mentioned, this was even causing issues in porting.

I sent the v2 series without XFS support, but the same API proposal as 
before. Let's discuss any potential API changes there.

Thanks,
John