Re: md /tmp and async mounts

From: Kris Kennaway <kris_at_obsecurity.org>
Date: Wed, 24 May 2006 16:37:47 -0400
On Wed, May 24, 2006 at 11:36:45PM +0300, Giorgos Keramidas wrote:
> On 2006-05-23 15:41, Kris Kennaway <kris_at_obsecurity.org> wrote:
> > You are confusing mdconfig's -o async mode, used only for vnode
> > backing (not the case here anyway):
> >
> >              [no]async
> >                      For vnode backed devices: avoid IO_SYNC for increased
> >                      performance but at the risk of deadlocking the entire
> >                      kernel.
> >
> > with mount's -o async mode, used at the filesystem layer on any
> > device.  The latter does not have deadlocks.
> 
> Hi Kris,
> 
> so we can safely add async to `tmpmfs_flags' in /etc/defaults/rc.conf?

I think so.  Also whatever else uses mds (diskless booting, ...?)

> If that is so, do you want me to make the change, or do you want to do
> this?

I don't have a good idea of what needs to be changed to do all of the
above, so if you're familiar with the code you might as well do it.

Kris


Received on Wed May 24 2006 - 18:37:51 UTC

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