From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@lst.de>
Date: Fri, 29 Jul 2022 16:11:45 +0200
Subject: [Cluster-devel] remove iomap_writepage v2
In-Reply-To: <20220729092216.GE3493@suse.de>
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 <20220728111016.uwbaywprzkzne7ib@quack3> <20220729092216.GE3493@suse.de>
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On Fri, Jul 29, 2022 at 10:22:16AM +0100, Mel Gorman wrote:
> There is some context missing because it's not clear what the full impact is
> but it is definitly the case that writepage is ignored in some contexts for
> common filesystems so lets assume that writepage from reclaim context always
> failed as a worst case scenario. Certainly this type of change is something
> linux-mm needs to be aware of because we've been blind-sided before.

Between willy and Johannes pushing or it I was under the strong assumption
that linux-mm knows of it..

> I don't think it would be incredibly damaging although there *might* be
> issues with small systems or cgroups. 

Johannes specifically mentioned that cgroup writeback will never call
into ->writepage anyway.