From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Lord <kernel@teksavvy.com>
Subject: Re: TRIM support in drivers and dm/md?
Date: Thu, 04 Nov 2010 22:44:29 -0400
Message-ID: <4CD36F8D.7000700@teksavvy.com>
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To: Jeff Garzik <jeff@garzik.org>
Cc: Jeff Layton <laytonjb@att.net>, Matthew Wilcox <matthew@wil.cx>, linux-fsdevel@vger.kernel.org, Linux IDE mailing list <linux-ide@vger.kernel.org>

sata_sil didn't support trim the last time I checked (the hardware can do it 
though).
sata_sil24 does, though, along with ahci, sata_mv, etc..

Cheers