Re: [PATCH] xfs: don't allow log recover IO to be throttled

[Dave Chinner]

On Mon, Mar 03, 2025 at 07:23:01PM +0800, Jinliang Zheng wrote:
> When recovering a large filesystem, avoid log recover IO being
> throttled by rq_qos_throttle().

Why?

The only writes to the journal during recovery are to clear stale
blocks - it's only a very small part of the IO that journal recovery
typically does. What problem happens when these writes are
throttled?

-Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx