Date: Wed, 24 May 2006 23:36:45 +0300 From: Giorgos Keramidas <keramida@ceid.upatras.gr> To: Kris Kennaway <kris@obsecurity.org> Cc: current@freebsd.org Subject: Re: md /tmp and async mounts Message-ID: <20060524203645.GB13500@gothmog.pc> In-Reply-To: <20060523194106.GA46634@xor.obsecurity.org> References: <20060522211223.GA3621@xor.obsecurity.org> <20060522231437.GC1446@odin.ac.hmc.edu> <20060523133037.GA2908@gothmog.pc> <20060523143013.GA11472@ci0.org> <20060523194106.GA46634@xor.obsecurity.org>
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On 2006-05-23 15:41, Kris Kennaway <kris@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? If that is so, do you want me to make the change, or do you want to do this?
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