Re: [PATCH 6/7] block: allow large discard requests

Matthew Wilcox
2009-08-30T02:50:22Z

On Sat, Aug 29, 2009 at 10:49:02PM -0400, Mark Lord wrote:
> Pardon my cursory review, but I don't see where this
> patch set allows for more than a single extent/range
> of sectors per TRIM command.

It doesn't.

> If it still does not group many extents into a single TRIM,
> then it will be far to slow to be useful at all for SATA.

That depends on the firmware. I do have plans to group the extents,
but let's get something working before making it quick.

--
Matthew Wilcox Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours. We can't possibly take such
a retrograde step."