From: Christoph Hellwig <hch@infradead.org>
To: Jan Kara <jack@suse.cz>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Jan Beulich <JBeulich@suse.com>,
Jeremy Fitzhardinge <jeremy@goop.org>,
hch@infradead.org, axboe@kernel.dk, linux-kernel@vger.kernel.org
Subject: Re: [PATCH]: xen/blkback: Add support for old BARRIER requests - 'feature-barrier', was "Help with implementing some form of barriers in 3.0 kernels."
Date: Thu, 15 Sep 2011 11:15:40 -0400 [thread overview]
Message-ID: <20110915151540.GA24348@infradead.org> (raw)
In-Reply-To: <20110915151326.GA16195@quack.suse.cz>
Btw, I'm really against exporting any of the low-level request/elevator
code interfaces. I have plans for huge changes in that area, and having
someone poke into it is just a bad idea.
Try to take a look at the barrier era dm implementation of them, which
did the draining on the bio layer and copy & paste that.
next prev parent reply other threads:[~2011-09-15 15:16 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-07 17:48 Help with implementing some form of barriers in 3.0 kernels Konrad Rzeszutek Wilk
2011-09-07 18:17 ` Vivek Goyal
2011-09-07 18:27 ` Konrad Rzeszutek Wilk
2011-09-07 18:36 ` Vivek Goyal
2011-09-07 20:16 ` Christoph Hellwig
2011-09-07 21:31 ` Vivek Goyal
2011-09-08 8:22 ` Christoph Hellwig
2011-09-08 8:02 ` Jan Beulich
2011-09-08 8:08 ` Christoph Hellwig
2011-09-13 10:44 ` Jan Beulich
2011-09-14 8:59 ` Konrad Rzeszutek Wilk
2011-09-14 9:12 ` Jan Beulich
2011-09-14 9:30 ` Konrad Rzeszutek Wilk
2011-09-14 10:15 ` Jan Beulich
2011-09-14 14:32 ` Konrad Rzeszutek Wilk
2011-09-14 15:01 ` [PATCH]: xen/blkback: Add support for old BARRIER requests - 'feature-barrier', was "Help with implementing some form of barriers in 3.0 kernels." Konrad Rzeszutek Wilk
2011-09-14 16:13 ` Jan Beulich
2011-09-15 12:51 ` Konrad Rzeszutek Wilk
2011-09-15 13:00 ` Jan Beulich
2011-09-15 14:21 ` Konrad Rzeszutek Wilk
2011-09-15 15:13 ` Jan Kara
2011-09-15 15:15 ` Christoph Hellwig [this message]
2011-09-16 9:24 ` Konrad Rzeszutek Wilk
2011-09-15 13:24 ` Jan Kara
2011-09-14 15:34 ` Help with implementing some form of barriers in 3.0 kernels Mike Snitzer
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