[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]

Re: [dm-devel] [RFC PATCH 0/4] dm core: full barrier support



Hi,
and thanks for reply. OK, so I guess it might help if somebody (me:)) starts at least testing and commenting, right?
I'll install it on some of testing machines and report results.
br
nik

> No, there was no feedback.
> 
> Pushing it mainline depends on Alasdair's decision (maintainer of device-mapper).
> (It needs thorough review first and maybe better implementation.)
> 
> Milan
> --
> mbroz redhat com
> 
> 
> > thanks a lot in advance
> > BR
> > nik
> > 
> > On Tue, Jul 08, 2008 at 06:48:53PM +0200, Milan Broz wrote:
> >> Hi,
> >>
> >> there was several discussions about supporting barriers
> >> in device-mapper.
> >>
> >> I wrote this code some time ago, but it never reached dm-devel
> >> tree. Take this more like RFC and experimental approach
> >> - maybe there is better way how to handle it. 
> >> Anyway this implementation works in my tests and is relatively simple.
> >>
> >> [RFC PATCH 1/4] dm core: remove unused code
> >> 	- just remove never used code, already sent some time ago
> >> 	in another patchset
> >>
> >> [RFC PATCH 2/4] dm core: add support for empty barriers
> >> 	- the core implementation of empty barrier support
> >> 	- implementation for stripe target
> >>
> >> [RFC PATCH 3/4] dm core: add support for barrier bio with payload
> >> 	- tranform payload to sequence of data bio + empty barrier
> >>
> >> [RFC PATCH 4/4] dm core: wait for barrier in process in suspend
> >> 	- try to solve the problem that we cannot suspend device
> >> 	during processing of barrier.
> 

-- 
-------------------------------------
Nikola CIPRICH
LinuxBox.cz, s.r.o.
28. rijna 168, 709 01 Ostrava

tel.:   +420 596 603 142
fax:    +420 596 621 273
mobil:  +420 777 093 799

www.linuxbox.cz

mobil servis: +420 737 238 656
email servis: servis linuxbox cz
-------------------------------------


[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]