[linux-lvm] Why doesn't the lvmcache support the discard (trim) command?

[Ilia Zykov]

> 
> dm-writecache could be seen as 'extension' of your page-cache to held
> longer list of dirty-pages...
> 
> Zdenek
> 

Does it mean that the dm-writecache is always empty, after reboot?
Thanks.


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