Messages in this thread | | | Date | Mon, 31 May 2010 04:47:09 -0400 | From | Christoph Hellwig <> | Subject | Re: [RFC][PATCH] mmc: add an ioctl for erasing |
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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: > > http://thread.gmane.org/gmane.linux.file-systems/25378/focus=25606
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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