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SubjectRe: [GIT PULL] (xen) stable/for-jens-3.2 - blkback and blkfront patches for 3.2
On Wed, Sep 21, 2011 at 11:09:55AM -0400, Konrad Rzeszutek Wilk wrote:
> Hey Jens,
>
> Please pull the following git tree in your 3.2 drivers tree:
>
> git pull git://oss.oracle.com/git/kwilk/xen.git stable/for-jens-3.2
>
> which has an exciting new feature - the discard ('feature-discard')
> aka TRIM/UNMAP. Now they can be passed from the guest to the backend.

What is the design of them? Do you provide the 'discard zeroes data'
flag (mandatory for any kind of relible operation) and 'discard
granularity / alignment' tunables (very useful)?



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