Subject: Re: kern/15232: ffs_sync writes out read-only pages to disk
To: Bill Sommerfeld <firstname.lastname@example.org>
From: Thor Lancelot Simon <email@example.com>
Date: 01/13/2002 14:20:37
On Sun, Jan 13, 2002 at 10:32:25AM -0500, Bill Sommerfeld wrote:
> > Surely there is a 'page modified' bit - and the write should only
> > happen if it is modified?
> this may just be updating the vnode 'last access' time.
> if you mount -o noatime,nodevmtime the disk should be more likely to
> spin down.
No such luck here. With softdep enabled, I have *never* been able to
get any machine's drive to spin down.
Thor Lancelot Simon firstname.lastname@example.org
But as he knew no bad language, he had called him all the names of common
objects that he could think of, and had screamed: "You lamp! You towel! You
plate!" and so on. --Sigmund Freud