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From: Anand Jain <Anand.Jain@oracle.com>
To: Robert White <rwhite@pobox.com>,
	Bob Williams <linux@barrowhillfarm.org.uk>,
	linux-btrfs@vger.kernel.org
Subject: Re: scrub problem
Date: Tue, 24 Feb 2015 10:11:07 +0800	[thread overview]
Message-ID: <54EBDDBB.8040108@oracle.com> (raw)
In-Reply-To: <54EA1F5A.7010802@pobox.com>



On 02/23/2015 02:26 AM, Robert White wrote:
> On 02/20/2015 01:03 PM, Bob Williams wrote:
>> /var/lib/btrfs/scrub.status.0b07b829-9a0e-44ab-89ee-14b36a45199e
>>
>> (the last bit of the filename is the filesystem uuid)
>>
>> Look for a line that ends with "finished:0" and change it to say
>> "finished:1"
>
> Why does this data item even exist? The filesystem/kernel should know
> whether a scrub is ongoing. Isn't is universally cheaper to do the
> single IOCTL to ask the kernel whether a scrub is ongoing compared to
> the open-and-parse of this file?

good point. I wished btrfs activities/status are host independent. It 
helps in SAN configs.

-Anand

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  reply	other threads:[~2015-02-24  2:11 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-20 19:59 scrub problem Johan Kröckel
2015-02-20 21:03 ` Bob Williams
2015-02-22 18:26   ` Robert White
2015-02-24  2:11     ` Anand Jain [this message]
  -- strict thread matches above, loose matches on Subject: below --
2015-02-20 22:46 Calvin Walton

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