lkml.org 
[lkml]   [2008]   [Jul]   [12]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateThu, 10 Jul 2008 20:24:18 +0200
FromPavel Machek <>
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
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


\
 
 \ /
  Last update: 2008-07-12 09:09    [from the cache]
©2003-2008