Hi. On Fri, 2013-07-19 at 21:52 +0200, Zdenek Kabelac wrote: > > E.g. in cryptsetup you have a general option which controls whether TRIM > > is passed through dm-crypt to lower block layers... I though --discards > > of being like that... > > By default every normal (i.e. linear) LV should pass-through discards - there > is AFAICS no code to block them and you can't disable them. > > For thin volume - it's going through the pool first - and you have the choice > either to ignore them completely, process them at pool level or pass-through > the pool to pool data device. Can you add that to the description of --discard in the manpage? I think right now one might easily think that it's a general control, on whether LVM passes these through or not. Thanks, Chris.
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