From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Christoph Hellwig <hch@lst.de>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>,
Zdenek Kabelac <zdenek.kabelac@gmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-mmc@vger.kernel.org, viro@zeniv.linux.org.uk
Subject: Re: Regression in suspend to ram in 2.6.31-rc kernels
Date: Tue, 8 Sep 2009 21:48:33 +0200 [thread overview]
Message-ID: <200909082148.33872.rjw@sisk.pl> (raw)
In-Reply-To: <20090908190614.GA18545@lst.de>
On Tuesday 08 September 2009, Christoph Hellwig wrote:
> On Fri, Sep 04, 2009 at 09:47:46AM +0900, OGAWA Hirofumi wrote:
> > Well, that commit seems a bit strange. It calls fat_clusters_flush()
> > unconditionally without checking sb->s_dirt. However, if my guess is
> > right, "sync after removed event" itself sounds like the issue in
> > suspend process.
>
> The idea of ->sync_fs is that we always perform the sync activity,
> and not just the usual background superblock writeback trigerred by
> s_dirt. If FAT doesn't need that and never has races around s_dirt
> you can add the check back, but I would recommend against it.
>
> Also when you hack around this in FAt MMC will still fail with every
> other filesystem.
So, what should be done in your opinion?
Rafael
next prev parent reply other threads:[~2009-09-08 19:47 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-31 11:51 Regression in suspend to ram in 2.6.31-rc kernels Zdenek Kabelac
2009-08-31 19:19 ` Rafael J. Wysocki
2009-09-01 9:34 ` Zdenek Kabelac
2009-09-03 22:29 ` Zdenek Kabelac
2009-09-03 23:23 ` Christoph Hellwig
2009-09-04 0:47 ` OGAWA Hirofumi
2009-09-04 9:13 ` Zdenek Kabelac
2009-09-05 17:22 ` OGAWA Hirofumi
2009-09-05 19:53 ` Zdenek Kabelac
2009-09-05 22:42 ` OGAWA Hirofumi
2009-09-08 8:10 ` Zdenek Kabelac
2009-09-09 13:15 ` OGAWA Hirofumi
2009-09-07 12:51 ` Pavel Machek
2009-09-09 13:21 ` OGAWA Hirofumi
2009-09-10 19:23 ` Pavel Machek
2009-09-11 6:39 ` OGAWA Hirofumi
2009-09-11 20:09 ` Pavel Machek
2009-09-11 21:14 ` Zdenek Kabelac
2009-09-11 21:32 ` Pavel Machek
2009-09-11 21:45 ` Zdenek Kabelac
2009-09-11 21:51 ` Pavel Machek
2009-09-11 22:22 ` Rafael J. Wysocki
2009-09-14 20:05 ` Pierre Ossman
2009-09-14 20:25 ` Pavel Machek
2009-09-11 22:29 ` Chris Ball
2009-09-11 22:36 ` Rafael J. Wysocki
2009-09-14 8:39 ` Zdenek Kabelac
2009-09-14 19:17 ` Rafael J. Wysocki
2009-09-14 20:27 ` Pavel Machek
2009-09-18 11:15 ` OGAWA Hirofumi
2009-09-18 21:39 ` Rafael J. Wysocki
2009-09-11 22:22 ` Chris Ball
2009-09-11 22:04 ` Rafael J. Wysocki
2009-09-11 22:21 ` Pavel Machek
2009-09-11 22:32 ` Rafael J. Wysocki
2009-09-08 19:06 ` Christoph Hellwig
2009-09-08 19:48 ` Rafael J. Wysocki [this message]
2009-09-09 13:52 ` OGAWA Hirofumi
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