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Re: [Xen-devel] [PATCH 1/2] driver: xen-blkfront: move talk_to_blkback to the correct place

El 12/05/15 a les 13.01, Bob Liu ha escrit:
> The right place for talk_to_blkback() to query backend features and transport
> parameters is after backend entered XenbusStateInitWait. There is no problem

talk_to_blkback doesn't gather any backend features, it just publishes
the features supported by the frontend, which AFAICT can be done at any
time provided that it's before switching to state XenbusStateInitWait.
Blkfront doesn't have to wait for the backend to switch to state
XenbusStateInitWait before publishing the features supported by the
frontend, which is what talk_to_blkback does.


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