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Date:   Fri, 10 Mar 2023 03:53:53 +0000
From:   Al Viro <viro@zeniv.linux.org.uk>
To:     Christoph Hellwig <hch@lst.de>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Mark Fasheh <mark@fasheh.com>,
        Joel Becker <jlbec@evilplan.org>,
        Joseph Qi <joseph.qi@linux.alibaba.com>,
        Evgeniy Dushistov <dushistov@mail.ru>,
        "Matthew Wilcox (Oracle)" <willy@infradead.org>,
        ocfs2-devel@oss.oracle.com, linux-fsdevel@vger.kernel.org,
        linux-mm@kvack.org
Subject: Re: [PATCH 1/3] ufs: don't flush page immediately for DIRSYNC
 directories
Message-ID: <20230310035353.GM3390869@ZenIV>
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 <20230307143125.27778-2-hch@lst.de>
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On Tue, Mar 07, 2023 at 03:31:23PM +0100, Christoph Hellwig wrote:
> We do not need to writeout modified directory blocks immediately when
> modifying them while the page is locked. It is enough to do the flush
> somewhat later which has the added benefit that inode times can be
> flushed as well. It also allows us to stop depending on
> write_one_page() function.
> 
> Ported from an ext2 patch by Jan Kara.

Umm...  I'll throw it in ufs pile, I guess (tomorrow - I'll need to
sort out Fabio's patches in the area as well; IIRC, the latest
had been in late December).