Re: [Qemu-devel] [RFC PATCH 1/1] ceph/rbd block driver for qemu-kvm

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On 05/25/2010 04:54 PM, Anthony Liguori wrote:
On 05/25/2010 08:36 AM, Avi Kivity wrote:

We'd need a kernel-level generic snapshot API for this eventually.

or (2) implement BUSE to complement FUSE and CUSE to enable proper userspace block devices.

Likely slow due do lots of copying.  Also needs a snapshot API.

The kernel could use splice.

Still can't make guest memory appear in (A)BUSE process memory without either mmu tricks (vmsplice in reverse) or a copy. May be workable for an (A)BUSE driver that talks over a network, and thus can splice() its way out.

--
error compiling committee.c: too many arguments to function

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