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From: Mark Fasheh <mfasheh@suse.de>
To: Stefan Priebe <s.priebe@profihost.ag>
Cc: Qu Wenruo <quwenruo@cn.fujitsu.com>,
	"linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>,
	jbacik@fb.com, Chris Mason <clm@fb.com>
Subject: Re: Regression in: [PATCH 4/4] btrfs: qgroup: account shared subtree during snapshot delete
Date: Tue, 3 Nov 2015 15:31:15 -0800	[thread overview]
Message-ID: <20151103233115.GF15575@wotan.suse.de> (raw)
In-Reply-To: <56390E29.5030702@profihost.ag>

On Tue, Nov 03, 2015 at 08:42:33PM +0100, Stefan Priebe wrote:
> Sorry don't know much about the btrfs internals.
> 
> I just can reproduce this. Switching to a kernel with this patch and
> without. With it takes ages - without it's super fast. I prooved
> this several times by just rebooting to the other kernel.

That's fine, disregard my previous e-mail - I just saw the mail Qu sent me.
There's a problem in the code that the patch calls which is causing your
performance issues. I'll CC you when I put out a fix.

Thanks,
	--Mark


--
Mark Fasheh

  reply	other threads:[~2015-11-03 23:31 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-01 20:49 Regression in: [PATCH 4/4] btrfs: qgroup: account shared subtree during snapshot delete Stefan Priebe
2015-11-01 22:57 ` Duncan
2015-11-02  1:34 ` Qu Wenruo
2015-11-02  5:46   ` Stefan Priebe
2015-11-03 19:15     ` Mark Fasheh
2015-11-03 19:26   ` Mark Fasheh
2015-11-03 19:42     ` Stefan Priebe
2015-11-03 23:31       ` Mark Fasheh [this message]
2015-11-04  2:22         ` Chris Mason
2015-11-04  1:01     ` Qu Wenruo
2015-11-05 19:23       ` Mark Fasheh
2015-11-06  1:02         ` Qu Wenruo
2015-11-06  3:15           ` Mark Fasheh
2015-11-06  3:25             ` Qu Wenruo

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