On 11/05/2016 16:55, Alex Bligh wrote: >> > Then I think I will propose a doc patch to the extension-info branch >> > that adds new INFO items for NBD_INFO_TRIM_SIZE and >> > NBD_INFO_WRITE_ZERO_SIZE (if requested by client and replied by server, >> > then this can be larger than the normal maximum size in >> > NBD_INFO_BLOCK_SIZE; if either side doesn't request the info, then >> > assume any maximum in NBD_INFO_BLOCK_SIZE applies, otherwise UINT32_MAX; >> > and the two infos are separate items because NBD_FLAG_SEND_TRIM and >> > NBD_FLAG_SEND_WRITE_ZEROES are orthogonally optional). > mmmm ... > > at this rate you'd be better with a list of command / maximum size > tuples! Not sure if serious or not, but anyway I think enumerating the items individually should be enough. It's not like commands grow on trees. :) Paolo
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