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Subject: Initiate TRIM/DELETE to a range of blocks from userland?
From: Maxim Sobolev <sobomax@FreeBSD.org>
To: freebsd-hackers@freebsd.org
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Hi guys, let's say I have a raw device (e.g. "ada1") and I want to
generate BIO_DELETE to a range of offsets on that device. Is there any
way to do it now, and if not, what do you think would be the most
proper way to get something like this implemented? New ioctl and some
new flag for the dd(1)?