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SubjectRe: block devices in userland
On Sat 2008-07-05 18:29:02, Enrico Weigelt wrote:
> * devzero@web.de <devzero@web.de> wrote:
> > >is there an API for writing block device drivers in userland ?
> >
> > i don`t know if there is some in vanilla, but maybe dm-userspace is worth taking a look at ?
> > see http://wiki.xensource.com/xenwiki/DmUserspace
>
> hmm, doesn't seem to be what I'm looking for - it just leaves the
> mapping of virtual to physical blocks to userland.
>
> What I need is passing the whole read/write requests to some userland
> deamon - these blocks won't come from any (in-kernel) block device,
> but an totally different kind of storage (eg. venti).

nbd, but be careful about deadlocks.

--
(english) http://www.livejournal.com/~pavelmachek
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