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Date:      Mon, 07 Sep 1998 08:35:20 +0200
From:      Poul-Henning Kamp <phk@critter.freebsd.dk>
To:        "Vanessa N. Voysey" <vanessa.voysey@k2c.co.uk>
Cc:        current@FreeBSD.ORG
Subject:   Re: ELF world and MFS / groff issues 
Message-ID:  <21835.905150120@critter.freebsd.dk>
In-Reply-To: Your message of "Sun, 06 Sep 1998 21:47:04 BST." <000e01bdd9d7$9e103420$0242000a@jfsebastian.k2c.co.uk> 

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In message <000e01bdd9d7$9e103420$0242000a@jfsebastian.k2c.co.uk>, "Vanessa N. 
Voysey" writes:

>Seems to have done the trick, nice one... from what I can see on the CVS
>repository, it seems this is a new vop (no trace of it in previous versions
>of mfs_vnops.c); is this an attempt at optimising block deallocation?

Yes, it allows flash based devices to erase the sectors up front.

I'll commit the change.

--
Poul-Henning Kamp             FreeBSD coreteam member
phk@FreeBSD.ORG               "Real hackers run -current on their laptop."
"ttyv0" -- What UNIX calls a $20K state-of-the-art, 3D, hi-res color terminal

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