netdev - Re: [PATCH iproute2] ss: Tell user about -EOPNOTSUPP for SOCK

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Message-ID: <1463671180.18194.187.camel@edumazet-glaptop3.roam.corp.google.com>
Date:	Thu, 19 May 2016 08:19:40 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Ahern <dsa@...ulusnetworks.com>
Cc:	Lorenzo Colitti <lorenzo@...gle.com>,
	Subash Abhinov Kasiviswanathan <subashab@...eaurora.org>,
	Stephen Hemminger <stephen@...workplumber.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	netdev-owner@...r.kernel.org, David Miller <davem@...emloft.net>,
	Maciej Żenczykowski <zenczykowski@...il.com>,
	Tom Herbert <tom@...bertland.com>
Subject: Re: [PATCH iproute2] ss: Tell user about -EOPNOTSUPP for
 SOCK_DESTROY

On Thu, 2016-05-19 at 08:06 -0600, David Ahern wrote:
> On 5/18/16 10:12 PM, Eric Dumazet wrote:
> > On Wed, 2016-05-18 at 22:05 -0600, David Ahern wrote:
> >
> >> You think it is ok to send a request to the kernel, the kernel says "I
> >> can't do it" and the command says nothing to the user? That is current
> >> behavior. How on Earth is that acceptable?
> >
> > I don't know. Tell me what is acceptable on a 'dump many sockets' and
> > some of them can be killed, but not all of them.
> >
> > What I do know is that you sent totally buggy patches.
> 
> buggy patches? not silently dropping a failure makes for a buggy patch?

You sent one kernel patch that was useless, then an iproute2 patch that
was simply aborting the dump.

Really, if you want fix things, do this properly instead of simply
ranting about work done by others, even if they are working for Google.

Thank you.