From: Chris Mason <chris.mason@oracle.com>
To: Li Zefan <lizf@cn.fujitsu.com>
Cc: Josef Bacik <josef@redhat.com>,
linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: [PATCH] Btrfs: use the normal checksumming infrastructure for free space cache
Date: Sun, 12 Jun 2011 21:53:17 -0400 [thread overview]
Message-ID: <1307929964-sup-6781@shiny> (raw)
In-Reply-To: <4DF56D60.4070208@cn.fujitsu.com>
Excerpts from Li Zefan's message of 2011-06-12 21:52:32 -0400:
> Josef Bacik wrote:
> > We used to store the checksums of the space cache directly in the space cache,
> > however that doesn't work out too well if we have more space than we can fit the
> > checksums into the first page. So instead use the normal checksumming
> > infrastructure. There were problems with doing this originally but those
> > problems don't exist now so this works out fine. Thanks,
> >
>
> This looks great, so I'll drop my patch that extends the original code to
> allow more than 1 crc page.
I do like them a lot, but what happens when a special case crc kernel
mounts a free space cache created by this patch?
-chris
next prev parent reply other threads:[~2011-06-13 1:53 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-10 19:40 [PATCH] Btrfs: use the normal checksumming infrastructure for free space cache Josef Bacik
2011-06-13 1:52 ` Li Zefan
2011-06-13 1:53 ` Chris Mason [this message]
2011-06-13 2:05 ` Li Zefan
2011-06-13 2:10 ` Li Zefan
2011-06-13 2:20 ` Li Zefan
2011-06-13 14:11 ` Chris Mason
2011-06-13 14:26 ` Josef Bacik
2011-06-13 13:56 ` Josef Bacik
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