[Gluster-devel] GF_FOP_IPC changes
kparthas at redhat.com
Wed Jun 24 04:44:16 UTC 2015
----- Original Message -----
> I've been looking at the recent patches to redirect GF_FOP_IPC to an active
> subvolume instead of always to the first. Specifically, these:
> http://review.gluster.org/11346 for DHT
> http://review.gluster.org/11347 for EC
> http://review.gluster.org/11348 for AFR
> I can't help but wonder if there's a simpler and more generic way to do this,
> instead of having to do this in a translator-specific way each time - then
> again for NSR, or for a separate tiering translator, and so on. For example
> what if each translator had a first_active_child callback?
> xlator_t * (*first_active_child) (xlator_t *parent);
> Then default_ipc could invoke this, if it exists, where it currently invokes
> FIRST_CHILD. Each translator could implement a bare minimum to select a
> child, then "step out of the way" for a fop it really wasn't all that
> interested in to begin with. Any thoughts?
We should do this right away. This change doesn't affect external interfaces.
we should be bold and implement the first solution. Over time we could improve
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