Re: block devices in userland - Kernel

This is a discussion on Re: block devices in userland - Kernel ; >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 regards roland List: linux-kernel Subject: block devices ...

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Thread: Re: block devices in userland

  1. Re: block devices in userland

    >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

    regards
    roland




    List: linux-kernel
    Subject: block devices in userland
    From: Enrico Weigelt
    Date: 2008-07-04 22:11:28
    Message-ID: 20080704221127.GA25636 () nibiru ! local
    [Download message RAW]


    Hi folks,


    is there an API for writing block device drivers in userland ?


    thx
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  2. Re: block devices in userland

    On Sat 2008-07-05 18:29:02, Enrico Weigelt wrote:
    > * 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.

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