From: Goldwyn Rodrigues <rgoldwyn@suse.de>
To: Christoph Hellwig <hch@lst.de>
Cc: Dave Chinner <david@fromorbit.com>,
Damien Le Moal <damien.lemoal@wdc.com>,
Naohiro Aota <naohiro.aota@wdc.com>,
Johannes Thumshirn <jth@kernel.org>,
Matthew Wilcox <willy@infradead.org>,
linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
cluster-devel@redhat.com, linux-ext4@vger.kernel.org,
linux-xfs@vger.kernel.org
Subject: Re: RFC: iomap write invalidation
Date: Mon, 20 Jul 2020 16:51:25 -0500 [thread overview]
Message-ID: <20200720215125.bfz7geaftocy4r5l@fiona> (raw)
In-Reply-To: <20200713074633.875946-1-hch@lst.de>
Hi Christoph,
On 9:46 13/07, Christoph Hellwig wrote:
> Hi all,
>
> this series has two parts: the first one picks up Dave's patch to avoid
> invalidation entierly for reads, picked up deep down from the btrfs iomap
> thread. The second one falls back to buffered writes if invalidation fails
> instead of leaving a stale cache around. Let me know what you think about
> this approch.
Which kernel version are these changes expected?
btrfs dio switch to iomap depends on this.
--
Goldwyn
next prev parent reply other threads:[~2020-07-20 21:51 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-13 7:46 RFC: iomap write invalidation Christoph Hellwig
2020-07-13 7:46 ` [PATCH 1/2] iomap: Only invalidate page cache pages on direct IO writes Christoph Hellwig
2020-07-13 7:46 ` [PATCH 2/2] iomap: fall back to buffered writes for invalidation failures Christoph Hellwig
2020-07-13 11:55 ` Matthew Wilcox
2020-07-14 11:00 ` Christoph Hellwig
2020-07-13 12:20 ` Goldwyn Rodrigues
2020-07-13 16:09 ` David Sterba
2020-07-13 15:39 ` Darrick J. Wong
2020-07-14 11:00 ` Christoph Hellwig
2020-07-14 1:41 ` Damien Le Moal
2020-07-15 1:47 ` RFC: iomap write invalidation Dave Chinner
2020-07-20 21:51 ` Goldwyn Rodrigues [this message]
2020-07-21 14:53 ` Christoph Hellwig
2020-07-21 14:59 ` Darrick J. Wong
2020-07-21 15:04 ` Matthew Wilcox
2020-07-21 15:06 ` Christoph Hellwig
2020-07-21 15:14 ` Matthew Wilcox
2020-07-21 15:16 ` Christoph Hellwig
2020-07-21 15:27 ` Darrick J. Wong
2020-07-21 15:41 ` Christoph Hellwig
2020-07-21 15:59 ` Darrick J. Wong
2020-07-21 16:01 ` Christoph Hellwig
2020-07-21 16:05 ` Darrick J. Wong
2020-07-21 15:31 ` Matthew Wilcox
2020-07-21 15:42 ` Christoph Hellwig
2020-07-21 15:52 ` Matthew Wilcox
2020-07-21 16:03 ` Darrick J. Wong
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