From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Subject: Re: WARNING: at fs/btrfs/free-space-cache.c:305
Date: Thu, 10 Nov 2011 08:38:42 +0900
Message-ID: <4EBB0F02.9050401@jp.fujitsu.com>
References: <4EB1ED83.8010301@jp.fujitsu.com> <20111109151745.GA1810@localhost.localdomain>
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Cc: Linux Btrfs <linux-btrfs@vger.kernel.org>,
	Chris Mason <chris.mason@Oracle.COM>
To: Josef Bacik <josef@redhat.com>
Return-path: <linux-btrfs-owner@vger.kernel.org>
In-Reply-To: <20111109151745.GA1810@localhost.localdomain>
List-ID: <linux-btrfs.vger.kernel.org>

Hi, Josef,

(2011/11/10 0:17), Josef Bacik wrote:
> On Thu, Nov 03, 2011 at 10:25:23AM +0900, Tsutomu Itoh wrote:
>> In integration-scrub branch, following warning messages were displayed by
>> running xfstests.
>>
>> # btrfs fi sh /dev/sdd4
>> Label: none  uuid: 8f28d85c-e37c-4c1b-adef-2627ca59be78
>>         Total devices 2 FS bytes used 31.49MB
>>         devid    1 size 9.31GB used 9.31GB path /dev/sdd4
>>         devid    2 size 15.01GB used 9.29GB path /dev/sdc1
>>
>> Btrfs Btrfs v0.19
>> # mount
>> ...
>> /dev/sdd4 on /test7 type btrfs (rw,compress=lzo)
>> #
>>
> 
> Can you try this patch I just posted?

OK, I'll try this.

Thanks,
Tsutomu

> 
> [PATCH] Btrfs: only map pages if we know we need them when reading the space
> cache
> 
> Thanks,
> 
> Josef
>