Re: loadable objectstore

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On Sat, 11 Apr 2015, Loic Dachary wrote:
> Hi Sage,
> 
> It looks like common/PluginRegistry.{h,cc} are missing from 18ad8df1094db52c839dc6b2dc689fc882230acb

whoops pushed! :)

sage

> 
> Cheers
> 
> On 11/04/2015 16:51, Sage Weil wrote:
> > On Sat, 11 Apr 2015, Varada Kari wrote:
> >> Hi Matt/ Sage,
> >>
> >> Thanks for sharing the pull request. Will work on the items what sage 
> >> was mentioning in the comments along with the items in the tracker.
> > 
> > I pushed a wip-plugin branch with the pattern I had in mind... does this 
> > make sense?  It's only compile tested, and still needs preload() methods 
> > implemented so that long-running daemons (or perhaps others?) can preload 
> > it all at once.
> > 
> > Ideally we would replace ErasurePluginRegistry with this too, which means 
> > the naming of the .so's needs to be a bit more flexible as the EC plugin 
> > scheme is something like /usr/lib/ceph/erasure-code/libec_$name.so (not a 
> > strict function of type and name).  Or actually, we can just rename the 
> > EC .so's when this goes in?  Since they're explicitly incompatible 
> > between versions there is no reason the names need to remain 
> > consistent...
> > 
> > sage
> > 
> >>
> >> Varada
> >>
> >> -----Original Message-----
> >> From: Sage Weil [mailto:sage@xxxxxxxxxxxx]
> >> Sent: Saturday, April 11, 2015 4:16 AM
> >> To: Matt W. Benjamin
> >> Cc: Varada Kari; ceph-devel
> >> Subject: Re: loadable objectstore
> >>
> >> On Fri, 10 Apr 2015, Matt W. Benjamin wrote:
> >>> Hi Varada,
> >>>
> >>> I pushed branch hammer-osfactory to
> >>> https://github.com/linuxbox2/ceph.git
> >>>
> >>> It can at least provide a starting point for discussion, if not a
> >>> jumping off point;  I do think it's basically what Sage described.
> >>
> >> I made a few comments on the pull request.  I think a factory class is the way to go, but we should be able to make the plugin loading part generic and not interface specific at all...
> >>
> >> sage
> >>
> >>>
> >>> I was able to update the CMake build system to build the tree, I
> >>> haven't attempted Autotools. :(
> >>>
> >>> Regards,
> >>>
> >>> Matt
> >>>
> >>> --
> >>> Matt Benjamin
> >>> CohortFS, LLC.
> >>> 315 West Huron Street, Suite 140A
> >>> Ann Arbor, Michigan 48103
> >>>
> >>> http://cohortfs.com
> >>>
> >>> tel.  734-761-4689
> >>> fax.  734-769-8938
> >>> cel.  734-216-5309
> >>> --
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> >>>
> >>>
> >>
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> 
> -- 
> Loïc Dachary, Artisan Logiciel Libre
> 
> 

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