linux-kernel - Re: [Regression] Commit 02c24a82187d5a628c68edfe71ae60dc135cd178 breaks s2disk

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Message-ID: <CA+55aFxPAowBwgK7JqN0uH-ytvg+BKdE3yBGF0z_6kNDNcOYcQ@mail.gmail.com>
Date:	Mon, 1 Aug 2011 15:22:02 -1000
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Josef Bacik <josef@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux PM mailing list <linux-pm@...ts.linux-foundation.org>,
	Al Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>
Subject: Re: [Regression] Commit 02c24a82187d5a628c68edfe71ae60dc135cd178
 breaks s2disk

On Mon, Aug 1, 2011 at 2:17 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
>
> Well, I'm not sure if the patch below is the right fix, but it evidently makes
> s2disk work for me again.

Looks right to me.

The only issue is whether we should use "db_mapping->i_mapping" or
"file->f_mapping". I think they are the same for block devices.

Al?

Also, what about some of the other fsync things that apparently
weren't updated to write back page caches. ps3flash_fsync? Others?

                Linus
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