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Message-ID: <c83d8e15-1f40-a99a-ed9b-337d146842bf@fb.com>
Date: Wed, 28 Jun 2017 12:44:00 -0600
From: Jens Axboe <axboe@...com>
To: Christoph Hellwig <hch@....de>
CC: Keith Busch <keith.busch@...el.com>, <wenxiong@...ux.vnet.ibm.com>,
<linux-kernel@...r.kernel.org>, <bjking@...ux.vnet.ibm.com>
Subject: Re: [PATCH] fs: System memory leak when running HTX with T10 DIF
enabled
On 06/28/2017 12:38 PM, Christoph Hellwig wrote:
> On Wed, Jun 28, 2017 at 12:34:15PM -0600, Jens Axboe wrote:
>> That's what I sent out.
>
> Where? Didn't see that anywhere..
Looks like you weren't CC'ed on the original thread. About an hour ago.
>> Here it is again. We should get this into 4.12,
>> so would be great with a review or two.
>
> Can we rename __bio_free to bio_uninit and add a comment to bio_init
> that it must be paried with bio_uninit?
Let's keep it small for 4.12. We can do a cleanup on top of this for
4.13.
> Except for that this looks fine, although there are a lot more callers
> that should get this treatment..
Should only be an issue for on-stack bio's, since we don't go through
the put/free path. Did a quick grep, looks like this is one of 3. One
is floppy, which probably neither has DIF or uses blk-throttle. Then
there's one in dm-bufio, didn't look too closely at that. Last one is
this one.
--
Jens Axboe
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