linux-kernel - Re: kmemleak report after 9082e87bfbf8 ("block: remove struct bio

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Date:	Mon, 6 Jun 2016 19:27:18 +0200
From:	Christoph Hellwig <hch@....de>
To:	Shaun Tancheff <shaun.tancheff@...gate.com>
Cc:	Catalin Marinas <catalin.marinas@....com>,
	Christoph Hellwig <hch@....de>, linux-block@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>, Jens Axboe <axboe@...com>,
	Larry.Finger@...inger.net, bart.vanassche@...disk.com,
	drysdale@...gle.com
Subject: Re: kmemleak report after 9082e87bfbf8 ("block: remove struct
	bio_batch")

On Mon, Jun 06, 2016 at 12:09:49PM -0500, Shaun Tancheff wrote:
> I'm pretty sure it is missing a bio_put() after submit_bio_wait().
> 
> Please excuse the hack-y patch but I think you need to do something
> like this ...
> (Note tabs eaten by gmail).

Yeah, that makes sense - oddly enough submit_bio_wait doesn't do a
bio_put. Still not sure why I don't see the leaks after repeated
mkfs.xfs runs, though.