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SubjectRe: [RFC][PATCH] mmc: add an ioctl for erasing
On Mon, May 31, 2010 at 11:45:37AM +0300, Adrian Hunter wrote:
> Sorry for the slow reply, I have been away.
> Connecting erase to discard was rejected for performance reasons in 2008.
> Refer:

The discard implementation changed a lot since those days. Discard
requests now have their own request size limitation which is separate
form that for normal requests, and we also store the alignment
requirement for them separately.

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