linux-kernel - Re: [take2] Inotify: nested attributes support.

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Message-ID: <492D4927.8040204@davidnewall.com>
Date:	Wed, 26 Nov 2008 23:33:35 +1030
From:	David Newall <davidn@...idnewall.com>
To:	Evgeniy Polyakov <zbr@...emap.net>
CC:	Andrew Morton <akpm@...ux-foundation.org>, john@...nmccutchan.com,
	arnd@...db.de, mtk.manpages@...il.com, hch@....de, rlove@...ve.org,
	linux-api@...r.kernel.org, linux-kernel@...r.kernel.org,
	pavel@...e.cz, Eric Paris <eparis@...hat.com>
Subject: Re: [take2] Inotify: nested attributes support.

Evgeniy Polyakov wrote:
> On Wed, Nov 26, 2008 at 11:17:28PM +1030, David Newall (davidn@...idnewall.com) wrote:
>   
>> I don't think so.  As discussed,
>> (http://marc.info/?l=linux-kernel&m=122735413932519), you already can
>> differentiate I/O made by local users, so you don't need to modify inotify.
>>     
>
> And as was shown it does not work for all cases and introduces unneded
> performance overhead.
>   

If the performance using a local loopback is insufficient, or even when
using a UNIX domain socket, then it's going to be even worse for the
actual network-connected clients.  And the cases were it doesn't work
amount to poor system administration, which is a solvable problem.


>> This change violates my first rule of programming: If there's two or
>> more ways of solving a problem, pick one; don't pick them all.
>>     
>
> Then we should go back to caves, raw meat was so tasty...

Amusing, but irrelevant to programming.
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