Il 07/03/2013 09:53, Peter Lieven ha scritto: >> >> Then we can add bdrv_revalidate and, for block_resize, call >> bdrv_revalidate+bdrv_truncate. For bs->growable = 0 && >> !bs->drv->bdrv_truncate, bdrv_truncate can just check that the actual >> size is the same or bigger as the one requested, and fail otherwise. >> > > Regarding brd_drain_all(). Is the fix right to call it only on device > shrink?
I think the fix is to only call it for the monitor command. Optionally, when shrinking, assert that there are no requests in flight. Paolo > In this case it has to be added to iscsi_truncate as well.
