[Dev] Removable block devices in TIZEN

Schaufler, Casey casey.schaufler at intel.com
Wed Oct 9 15:13:35 GMT 2013


> -----Original Message-----
> From: dev-bounces at lists.tizen.org [mailto:dev-bounces at lists.tizen.org] On
> Behalf Of Lukasz Stelmach
> Sent: Wednesday, October 09, 2013 12:44 AM
> To: Lynch, Rusty
> Cc: dev at lists.tizen.org
> Subject: Re: [Dev] Removable block devices in TIZEN
> 
> It was <2013-10-08 wto 18:12>, when Rusty Lynch wrote:
> > On Tue, 2013-10-08 at 14:59 +0200, Jacek Pielaszkiewicz wrote:
> >> 	Issues/topics that required future works:
> >>
> >> (1) Multi user support (open topic for TIZEN 3.0)
> >>
> >> (2) Which API should we exposed for TIZEN applications - native udisk
> >> API (dbus based) or build a new one on top of udisk API.
> >
> > Lets not create another abstraction layer.  Native apps can just
> > directly call into the existing dbus API
> 
> I don't think application developers should be required to know about DBus.
> There should be "OSP binding for UDisks" (and every other DBus service).
> The binding layer should be thick enough to be stable if
> (when) UDisks API changes (It already has changed once).
> 
> > and web apps do not have direct access to arbitrary storage.
> 
> The way I understand web apps, they are meant to be no less potent than
> native ones. Nativity is rather for performance than "security".
> 
> >> (4) Mount points location - by default udisks mount new block devices
> >> in /run/media/__user__/__device_name__ in TIZEN it is
> >> /opt/storage/sdcard - hardcoded.
> >
> > I think we should stop using the oddball location under
> > /opt/storage/sdcard and just fix whatever middleware is working under
> > this hard coded assumption.
> 
> +1
> 
> >> (5) Integration udisks with TIZEN security (security-server, ...)
> >
> > Last I heard the security-server was marked for death, i.e. the
> > overall system was being addressed such that we should not need such a
> > beast anymore.  But... I'll let the security folks comment on that.
> 
> The security team I sit next to, might beg to differ ;-)

The security team I'm part of is working with the security team you sit next to and the team in Suwon. The elimination of security-server is planned for Tizen 3. Specifics aside, this task (5) is indeed an important part of the project.


> --
> Łukasz Stelmach
> Samsung R&D Institute Poland
> Samsung Electronics


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