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From: Eric Sandeen <sandeen@sandeen.net>
To: linux-btrfs@vger.kernel.org
Cc: fstests@vger.kernel.org
Subject: Re: xfstests seems broken on btrfs with multi-dev TEST_DEV
Date: Wed, 24 Feb 2021 15:39:34 -0600	[thread overview]
Message-ID: <5e133067-ec0c-f2c6-7fb6-84620e26881e@sandeen.net> (raw)
In-Reply-To: <3e8f846d-e248-52a3-9863-d188f031401e@sandeen.net>

On 2/24/21 10:12 AM, Eric Sandeen wrote:
> Last week I was curious to just see how btrfs is faring with RAID5 in
> xfstests, so I set it up for a quick run with devices configured as:

Whoops this was supposed to cc: fstests, not fsdevel, sorry.

-Eric

> TEST_DEV=/dev/sdb1 # <--- this was a 3-disk "-d raid5" filesystem
> SCRATCH_DEV_POOL="/dev/sdb2 /dev/sdb3 /dev/sdb4 /dev/sdb5 /dev/sdb6"
> 
> and fired off ./check -g auto
> 
> Every test after btrfs/124 fails, because that test btrfs/124 does this:
> 
> # un-scan the btrfs devices
> _btrfs_forget_or_module_reload
> 
> and nothing re-scans devices after that, so every attempt to mount TEST_DEV
> will fail:
> 
>> devid 2 uuid e42cd5b8-2de6-4c85-ae51-74b61172051e is missing"
> 
> Other btrfs tests seeme to have the same problem.
> 
> If xfstest coverage on multi-device btrfs volumes is desired, it might be
> a good idea for someone who understands the btrfs framework in xfstests
> to fix this.
> 
> Thanks,
> -Eric
> 

  reply	other threads:[~2021-02-24 21:40 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-24 16:12 xfstests seems broken on btrfs with multi-dev TEST_DEV Eric Sandeen
2021-02-24 21:39 ` Eric Sandeen [this message]
2021-02-25  1:16   ` Anand Jain
2021-02-25  1:46     ` Eric Sandeen
2021-02-25  1:56       ` Qu Wenruo
2021-02-25  2:45         ` Eric Sandeen
2021-02-25  3:13           ` Qu Wenruo
2021-02-25  3:15             ` Eric Sandeen
2021-02-25  3:18               ` Qu Wenruo
2021-02-26  3:10                 ` Anand Jain

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