lkml.org 
[lkml]   [2008]   [May]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [dm-devel] Re: [PATCH] Implement barrier support for single device DM devices
On Mon, Feb 18, 2008 at 10:45 PM, Alasdair G Kergon <agk@redhat.com> wrote:
> On Mon, Feb 18, 2008 at 08:52:10AM -0500, Ric Wheeler wrote:
> > I understand that. Most of the time, dm or md devices are composed of
> > uniform components which will uniformly support (or not) the cache flush
> > commands used by barriers.
>
> As a dm developer, it's "almost none of the time" because trivial
> configurations aren't the ones that require lots of testing effort.
>
> Let's stop arguing over "most of the time":-)
>
> As Andi points out, there are certainly enough real-world users of
> "single linear or crypt target using one physical device" for it to be
> worth our supporting it.

Hi Alasdair,

Given that you feel supporting barriers on single device DM targets is
a good thing, what is the status of such support (like Andi's patch)
making it upstream?

Mike


\
 
 \ /
  Last update: 2008-05-16 21:57    [W:0.102 / U:0.524 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site