Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 18 Jan 2001 00:02:02 -0800
From:      Alfred Perlstein <bright@wintelcom.net>
To:        Terry Lambert <tlambert@primenet.com>
Cc:        Tony Finch <dot@dotat.at>, Mike Smith <msmith@FreeBSD.ORG>, Kirk McKusick <mckusick@mckusick.com>, arch@FreeBSD.ORG
Subject:   Re: dynamic vs static sysctls?
Message-ID:  <20010118000202.L7240@fw.wintelcom.net>
In-Reply-To: <200101180739.AAA00872@usr08.primenet.com>; from tlambert@primenet.com on Thu, Jan 18, 2001 at 07:39:11AM %2B0000
References:  <20010117230622.K7240@fw.wintelcom.net> <200101180739.AAA00872@usr08.primenet.com>

next in thread | previous in thread | raw e-mail | index | archive | help
* Terry Lambert <tlambert@primenet.com> [010117 23:39] wrote:
> > > >> In my work on a background version of fsck, I have used sysctl to
> > > >> allow me to pass information into the kernel that I want to have
> > > >> updated in the filesystem.
> > > >
> > > >I'm not convinced that sysctl is the "right" way to go about doing this, 
> > > >really.  But I can't think of a better one. 8)
> > > 
> > > Why not an ioctl on the disk device? You could arrange to pass in an
> > > array of free blocks to reduce the number of syscalls.
> > 
> > It's not a disk action, it's an FS action, an fsctl call might be handy,
> > or a completely static sysctl, but not a disk device ioctl.
> 
> FWIW, this really depends on whose job you think it is to
> keep track of bad blocks and virtually "fix" them.

We're talking about block changes that relate in in-core filesystem
data, not just bad-block remapping.

-- 
-Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org]
"I have the heart of a child; I keep it in a jar on my desk."


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-arch" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20010118000202.L7240>