Hi all, Searched but can''t find anything. I am wondering what are the new features that will come with blktap2, compared to blktap ? Thanks. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
Pasi Kärkkäinen
2010-Jan-12 20:19 UTC
Re: [Xen-devel] What are the new features from blktaps
On Tue, Jan 12, 2010 at 03:05:14PM -0500, Jia Rao wrote:> Hi all, > Searched but can''t find anything. > I am wondering what are the new features that will come with blktap2, > compared to blktap ? >See this email: http://lists.xensource.com/archives/html/xen-devel/2009-02/msg00721.html Hopefully it helps. Others can tell more. -- Pasi _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
Daniel Stodden
2010-Jan-12 21:45 UTC
Re: [Xen-devel] What are the new features from blktaps
On Tue, 2010-01-12 at 15:05 -0500, Jia Rao wrote:> Hi all, > > > Searched but can''t find anything. > I am wondering what are the new features that will come with blktap2, > compared to blktap ?Right now it''s mainly an architectural thing. - The original blktap duplicated a lot of what originally constituted just blkback. - Access to virtual disk images from within dom0 gets more straightforward. Which matters a lot for some things dom0 can do to disks. - Request dispatch between kernel and userspace will get way more efficient at some point. - Blktap on non-Xen systems ... - ... Daniel _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
Also: blktap2 has a driver for the vhd format. --Dutch On Tue, 12 Jan 2010, Daniel Stodden wrote:> On Tue, 2010-01-12 at 15:05 -0500, Jia Rao wrote: >> Hi all, >> >> >> Searched but can''t find anything. >> I am wondering what are the new features that will come with blktap2, >> compared to blktap ? > > Right now it''s mainly an architectural thing. > > - The original blktap duplicated a lot of what originally > constituted just blkback. > > - Access to virtual disk images from within dom0 gets > more straightforward. Which matters a lot for some things dom0 can > do to disks. > > - Request dispatch between kernel and userspace will get way more > efficient at some point. > > - Blktap on non-Xen systems ... > > - ... > > Daniel > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel >_______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel