linux-kernel - Re: [RFC][PATCH] cifs: Fix cifs_writepages

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Message-ID: <2390711.1677269637@warthog.procyon.org.uk>
Date:   Fri, 24 Feb 2023 20:13:57 +0000
From:   David Howells <dhowells@...hat.com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     dhowells@...hat.com,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Steve French <stfrench@...rosoft.com>,
        Vishal Moola <vishal.moola@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Jan Kara <jack@...e.cz>, Paulo Alcantara <pc@....nz>,
        Huang Ying <ying.huang@...el.com>,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Xin Hao <xhao@...ux.alibaba.com>, linux-mm@...ck.org,
        mm-commits@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC][PATCH] cifs: Fix cifs_writepages_region()

Matthew Wilcox <willy@...radead.org> wrote:

> I don't understand why waiting for fscache here is even the right thing
> to do.

Then why do we have to wait for PG_writeback to complete?

David