From: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
To: Kay Sievers <kay.sievers@vrfy.org>
Cc: lkml <linux-kernel@vger.kernel.org>,
netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org,
Greg KH <greg@kroah.com>
Subject: Re: [1/4] DST: Distributed storage documentation.
Date: Mon, 10 Dec 2007 18:12:25 +0300 [thread overview]
Message-ID: <20071210151225.GA17858@2ka.mipt.ru> (raw)
In-Reply-To: <20071210145055.GB7184@2ka.mipt.ru>
On Mon, Dec 10, 2007 at 05:50:55PM +0300, Evgeniy Polyakov (johnpol@2ka.mipt.ru) wrote:
> > Further questions:
> > Why do you do your own refcounting instead of using kref?
>
> That's because I always used atomic operations as a reference counters
> and did not tried krefs :)
> They are the same actually (module tricky arches where smp_mb_* are
> required), so I can replace them in the next release.
Actually not - I have to set reference counter to something other than 1
or +/- 1, and thus will have to call kref_get() in a loop, which is a
very ugly step. Is there kref_set() or somethinglike that? At least not
in 2.6.22 what I'm using for now.
Sigh, I've converted most of the DST already...
--
Evgeniy Polyakov
next prev parent reply other threads:[~2007-12-10 15:12 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <11qqqasdzxczc036@2ka.mipt.ru>
2007-12-10 11:47 ` [0/4] DST: Distributed storage Evgeniy Polyakov
2007-12-10 11:47 ` [1/4] DST: Distributed storage documentation Evgeniy Polyakov
2007-12-10 11:47 ` [2/4] DST: Core distributed storage files Evgeniy Polyakov
2007-12-10 11:47 ` [3/4] DST: Network state machine Evgeniy Polyakov
2007-12-10 11:47 ` [4/4] DST: Algorithms used in distributed storage Evgeniy Polyakov
2007-12-12 9:12 ` Dmitry Monakhov
2007-12-12 10:20 ` Evgeniy Polyakov
2007-12-13 20:43 ` [3/4] DST: Network state machine Dmitry Monakhov
2007-12-14 6:35 ` Evgeniy Polyakov
2007-12-10 12:51 ` [1/4] DST: Distributed storage documentation Kay Sievers
2007-12-10 12:58 ` Evgeniy Polyakov
2007-12-10 14:31 ` Kay Sievers
2007-12-10 14:50 ` Evgeniy Polyakov
2007-12-10 15:12 ` Evgeniy Polyakov [this message]
2007-12-10 19:02 ` Kay Sievers
2007-12-10 19:33 ` Evgeniy Polyakov
2007-12-10 19:44 ` Kay Sievers
2007-12-10 19:51 ` Evgeniy Polyakov
2007-12-10 19:56 ` Kay Sievers
2007-12-10 20:03 ` Evgeniy Polyakov
2008-01-22 19:38 [0/4] DST: Distributed storage: Succumbed to live ant Evgeniy Polyakov
2008-01-22 19:38 ` [1/4] DST: Distributed storage documentation Evgeniy Polyakov
-- strict thread matches above, loose matches on Subject: below --
2007-12-26 11:22 [0/4] DST: Distributed storage: Groundhogs strike back: no New Year for humans Evgeniy Polyakov
2007-12-26 11:22 ` [1/4] DST: Distributed storage documentation Evgeniy Polyakov
2007-12-17 15:03 [0/4] DST: Distributed storage Evgeniy Polyakov
2007-12-17 15:03 ` [1/4] DST: Distributed storage documentation Evgeniy Polyakov
2007-12-17 16:27 ` Kay Sievers
2007-12-04 14:37 [0/4] DST: Distributed storage Evgeniy Polyakov
2007-12-04 14:37 ` [1/4] DST: Distributed storage documentation Evgeniy Polyakov
2007-11-29 12:53 [0/4] dst: Distributed storage Evgeniy Polyakov
2007-11-29 12:53 ` [1/4] dst: Distributed storage documentation Evgeniy Polyakov
2007-12-03 4:50 ` Matt Mackall
2007-12-03 11:16 ` Evgeniy Polyakov
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