On Thu, Jan 10, 2019 at 7:04 PM Martin K. Petersen
wrote:
> James,
>
> > Q1 - I'm hoping you can clarify how this should be interpreted.
> >
> > I originally took this to mean the number of bytes into the first
> > discard_granularity block that the partition resides at. i.e. If
> >
James,
> Q1 - I'm hoping you can clarify how this should be interpreted.
>
> I originally took this to mean the number of bytes into the first
> discard_granularity block that the partition resides at. i.e. If
> discard_granularity_block is 128MB, and partition 1 starts at sector
> 2048 with
https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-block
Describes discard_alignment as:
"Devices that support discard functionality may internally allocate
space in units that are bigger than the exported logical block size.
The discard_alignment parameter indicates how many bytes the
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