From: Josef Bacik <jbacik@fusionio.com>
To: Miao Xie <miaox@cn.fujitsu.com>
Cc: Linux Btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: [PATCH 2/2] Revert "Btrfs: do not do filemap_write_and_wait_range in fsync"
Date: Thu, 13 Sep 2012 08:38:34 -0400 [thread overview]
Message-ID: <20120913123834.GC12994@localhost.localdomain> (raw)
In-Reply-To: <5051BB3B.5020201@cn.fujitsu.com>
On Thu, Sep 13, 2012 at 04:53:47AM -0600, Miao Xie wrote:
> This reverts commit 0885ef5b5601e9b007c383e77c172769b1f214fd
>
> After applying the above patch, the performance slowed down because the dirty
> page flush can only be done by one task, so revert it.
>
> The following is the test result of sysbench:
> Before After
> 24MB/s 39MB/s
>
Ah I didn't think about that, good point, thanks!
Josef
prev parent reply other threads:[~2012-09-13 12:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-13 10:53 [PATCH 2/2] Revert "Btrfs: do not do filemap_write_and_wait_range in fsync" Miao Xie
2012-09-13 12:38 ` Josef Bacik [this message]
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