On 04/19/2013 05:46 PM, Alex Elder wrote:
> This set of patches culminates in providing layered
> write functionality for rbd clone images. Until the
> feature bits get enabled, most of this code is not
> yet activated. But it has been tested and it's
> ready for review. The feature will be enabled soon,
> after a few more things get cleaned up to prepare
> for it.
These patches are available in the "review/wip-copyup"
of the ceph-client git repository. They are based on
the branch "review/wip-4679-3" found there.
-Alex
>
> -Alex
>
> [PATCH] libceph: fix two messenger bugs
> Two bugs, two improvements.
>
> [PATCH] libceph: support pages for class request data
> This just defines a function that allows a page array
> to be specified for the data to be written by an
> object class method.
>
> [PATCH 1/4] rbd: define separate read and write format funcs
> [PATCH 2/4] rbd: encapsulate submission of image object requests
> [PATCH 3/4] rbd: define zero_pages()
> [PATCH 4/4] rbd: support page array image requests
> The first two of these are just cleanups. The second two
> add some functionality to allow image requests to use
> page arrays for their object data.
>
> [PATCH 1/2] rbd: implement full object parent reads
> [PATCH 2/2] rbd: issue a copyup for layered writes
> These last two finally implement the layered copyup
> functionality. The first is sort of a half step, to
> break up the review into smaller pieces.
>
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