Re: [RFC PATCH 0/8] xfs: single block atomic writes for buffered IO

From: Dave Chinner

Date: Wed Nov 12 2025 - 16:57:00 EST


On Wed, Nov 12, 2025 at 04:36:03PM +0530, Ojaswin Mujoo wrote:
> This patch adds support to perform single block RWF_ATOMIC writes for
> iomap xfs buffered IO. This builds upon the inital RFC shared by John
> Garry last year [1]. Most of the details are present in the respective
> commit messages but I'd mention some of the design points below:

What is the use case for this functionality? i.e. what is the
reason for adding all this complexity?

-Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx