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From: Andrew Morton <akpm@linux-foundation.org>
To: Hsin-Yi Wang <hsinyi@chromium.org>
Cc: Phillip Lougher <phillip@squashfs.org.uk>,
	Matthew Wilcox <willy@infradead.org>,
	Xiongwei Song <Xiongwei.Song@windriver.com>,
	Zheng Liang <zhengliang6@huawei.com>,
	Zhang Yi <yi.zhang@huawei.com>, Hou Tao <houtao1@huawei.com>,
	Miao Xie <miaoxie@huawei.com>,
	"linux-mm @ kvack . org" <linux-mm@kvack.org>,
	"squashfs-devel @ lists . sourceforge . net"
	<squashfs-devel@lists.sourceforge.net>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 3/3] squashfs: implement readahead
Date: Tue, 31 May 2022 13:48:09 -0700	[thread overview]
Message-ID: <20220531134809.c69b711dc8cd584b3a5163f7@linux-foundation.org> (raw)
In-Reply-To: <CAJMQK-isVhkhGu3=QAWaDvOd9sXgNep3ZrZ6jjoa2j+h6Uc45w@mail.gmail.com>

On Tue, 31 May 2022 17:51:11 +0800 Hsin-Yi Wang <hsinyi@chromium.org> wrote:

> On Mon, May 23, 2022 at 3:00 PM Hsin-Yi Wang <hsinyi@chromium.org> wrote:
> >
> > Implement readahead callback for squashfs. It will read datablocks
> > which cover pages in readahead request. For a few cases it will
> > not mark page as uptodate, including:
> > - file end is 0.
> > - zero filled blocks.
> > - current batch of pages isn't in the same datablock or not enough in a
> >   datablock.
> > - decompressor error.
> > Otherwise pages will be marked as uptodate. The unhandled pages will be
> > updated by readpage later.
> >
> > Suggested-by: Matthew Wilcox <willy@infradead.org>
> > Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
> > Reported-by: Matthew Wilcox <willy@infradead.org>
> > Reported-by: Phillip Lougher <phillip@squashfs.org.uk>
> > Reported-by: Xiongwei Song <Xiongwei.Song@windriver.com>
> > ---
> 
> Kindly ping on the thread. Conversations on v2:
> https://patchwork.kernel.org/project/linux-mm/patch/20220517082650.2005840-4-hsinyi@chromium.org/#24869037
> This version mainly addressed the error handling.

Yes, some reviewer input would be helpful please.


  reply	other threads:[~2022-05-31 20:48 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-23  6:59 [PATCH v3 0/3] Implement readahead for squashfs Hsin-Yi Wang
2022-05-23  6:59 ` [PATCH v3 1/3] Revert "squashfs: provide backing_dev_info in order to disable read-ahead" Hsin-Yi Wang
2022-05-23  6:59 ` [PATCH v3 2/3] squashfs: always build "file direct" version of page actor Hsin-Yi Wang
2022-05-23  6:59 ` [PATCH v3 3/3] squashfs: implement readahead Hsin-Yi Wang
2022-05-31  9:51   ` Hsin-Yi Wang
2022-05-31 20:48     ` Andrew Morton [this message]
2022-05-31 20:47   ` Andrew Morton
2022-05-31 20:56     ` Matthew Wilcox
2022-06-01  1:08     ` Phillip Lougher
2022-06-01  8:36       ` Hsin-Yi Wang

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