linux-kernel - Re: [PATCH 1/1 linux-next] fanotify: fix a lock in fanotify_should_send

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Message-ID: <550E9DF4.7@gmx.de>
Date:	Sun, 22 Mar 2015 11:48:20 +0100
From:	Lino Sanfilippo <LinoSanfilippo@....de>
To:	Fabian Frederick <fabf@...net.be>,
	Andrew Morton <akpm@...ux-foundation.org>
CC:	Eric Paris <eparis@...hat.com>, linux-kernel@...r.kernel.org,
	David Howells <dhowells@...hat.com>, Jan Kara <jack@...e.cz>
Subject: Re: [PATCH 1/1 linux-next] fanotify: fix a lock in fanotify_should_send_event()

On 22.03.2015 10:46, Fabian Frederick wrote:

> Let's hope it only breaks ltp tests and no _real_ userland stuff
> (search systems ...)
> 
> Regards,
> Fabian
> 

Hi Fabian,

yes, that worries me too. I know that there have been discussions on
lkml in which it was made clear that userspace breakage is frowned upon.
And it is obvious, that the latest changes concerning the handling of
FAN_ONDIR are also visible to userspace. But since the concerning
patches have been accepted I think it is ok. I could be wrong though.

Maybe someone with a deeper knowledge of kernel policy/guidelines could
comment on this?

Regards,
Lino

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