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Re: [linux-lvm] lvmtrim



On Wed, Oct 19, 2011 at 01:56:54PM +0100, Alasdair G Kergon wrote:
> vgtrim
 
Suggested spec if someone wants to implement this:

1) factor out the discard code from release_pv_segment so it can be shared
and used on existing segments too;

2) Add vgtrim (+man page) which takes VG-style arguments, uses
process_each_pv_in_vg which uses process_each_segment_in_pv which checks if
segment is free and if so calls the code from (1) to issue a discard on it.

Alasdair


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