From: Christoph Hellwig <hch@lst.de>
To: Jan Kara <jack@suse.cz>
Cc: Eric Sandeen <sandeen@redhat.com>, Christoph Hellwig <hch@lst.de>,
linux-ext4@vger.kernel.org
Subject: Re: [PATCH] ext3: enable cache flush in ext3_sync_file
Date: Tue, 8 Sep 2009 15:10:06 +0200 [thread overview]
Message-ID: <20090908131006.GA25208@lst.de> (raw)
In-Reply-To: <20090908130438.GA2528@atrey.karlin.mff.cuni.cz>
On Tue, Sep 08, 2009 at 03:04:38PM +0200, Jan Kara wrote:
> > Acked-by: Eric Sandeen <sandeen@redhat.com>
> But would the patch below be better? When we force a transaction
> commit we don't have to flush caches again. Or am I missing something?
If you know that you really did issue a barrier for sure you don't have
to flush the cache again. I don't know extN enough to easily figure out
how, but if this patch ensures that it's good. Same scheme should also
apply to ext4.
prev parent reply other threads:[~2009-09-08 13:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-31 19:37 [PATCH] ext3: enable cache flush in ext3_sync_file Christoph Hellwig
2009-09-01 18:24 ` Eric Sandeen
2009-09-08 13:04 ` Jan Kara
2009-09-08 13:10 ` Christoph Hellwig [this message]
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