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Date:   Fri, 10 Mar 2023 06:52:35 +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
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 <20230310035353.GM3390869@ZenIV>
 <20230310063756.GA13484@lst.de>
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On Fri, Mar 10, 2023 at 07:37:56AM +0100, Christoph Hellwig wrote:
> On Fri, Mar 10, 2023 at 03:53:53AM +0000, Al Viro wrote:
> > 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).
> 
> Well, the three patches really should go together, otherwise we miss
> yet another merge window.

Umm...  Do you need them in the same (never-rebased?) branch, or would
it suffice to have all of them reach mainline by 6.4-rc1?