From: Matthew Wilcox <willy@infradead.org>
To: Chris Mason <clm@fb.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
Dave Chinner <david@fromorbit.com>,
Christoph Hellwig <hch@infradead.org>,
"Darrick J. Wong" <djwong@kernel.org>,
xfs <linux-xfs@vger.kernel.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
"dchinner@redhat.com" <dchinner@redhat.com>
Subject: Re: [PATCH RFC] iomap: invalidate pages past eof in iomap_do_writepage()
Date: Thu, 2 Jun 2022 20:59:01 +0100 [thread overview]
Message-ID: <YpkWhZmM1OOqEW4C@casper.infradead.org> (raw)
In-Reply-To: <0B09932C-66FB-4ED9-8CF1-006EEC522E6B@fb.com>
On Thu, Jun 02, 2022 at 07:41:55PM +0000, Chris Mason wrote:
>
> > On Jun 2, 2022, at 11:32 AM, Johannes Weiner <hannes@cmpxchg.org> wrote:
> >
> > On Thu, Jun 02, 2022 at 04:52:52PM +1000, Dave Chinner wrote:
> >>
> >> Further, I don't think we need to invalidate the folio, either. If
> >> it's beyond EOF, then it is because a truncate is in progress that
> >> means it is somebody else's problem to clean up. Hence we should
> >> leave it to the truncate to deal with, just like the pre-2013 code
> >> did....
> >
> > Perfect, that works.
>
> Ok, I’ll run it through xfstests and resend a v2. Will this cover all of the subpage blocksize concerns?
I run with:
export MKFS_OPTIONS="-m reflink=1,rmapbt=1 -i sparse=1 -b size=1024"
Dave may have other options he'd like to see.
next prev parent reply other threads:[~2022-06-02 19:59 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-01 1:11 [PATCH RFC] iomap: invalidate pages past eof in iomap_do_writepage() Chris Mason
2022-06-01 12:18 ` Christoph Hellwig
2022-06-01 14:13 ` Chris Mason
2022-06-02 6:52 ` Dave Chinner
2022-06-02 15:32 ` Johannes Weiner
2022-06-02 19:41 ` Chris Mason
2022-06-02 19:59 ` Matthew Wilcox [this message]
2022-06-02 22:07 ` Dave Chinner
2022-06-02 22:06 ` Dave Chinner
2022-06-03 1:29 ` Chris Mason
2022-06-03 5:20 ` Dave Chinner
2022-06-03 15:06 ` Johannes Weiner
2022-06-03 16:09 ` Chris Mason
2022-06-05 23:32 ` Dave Chinner
2022-06-06 14:46 ` Johannes Weiner
2022-06-06 15:13 ` Chris Mason
2022-06-07 22:52 ` Dave Chinner
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