Re: [PATCH 2/2] Add batched discard support for ext4.

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On 04/21/2010 03:44 PM, Greg Freemyer wrote:

> Mark's benchmarks showed this as doable in seconds which seems like a
> reasonable amount of time for a mount time operation.

All the other things aside, mount-time is interesting, but it's an
infrequent operation, at least in my world.  I think we need something
that can be done runtime.

For anything with uptime, I don't think it's acceptable to wait until
the next mount to trim unused blocks.

But as long as the mechanism can be called either at mount time and/or
kicked off runtime somehow, I'm happy.

-Eric
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