[systemd-devel] [PATCH] fstab-generator: If we wait indefinitely for a mount, wait also for the device
harald.hoyer at gmail.com
Fri Mar 1 10:21:00 PST 2013
Author: Tom Gundersen <teg at jklm.no>
Date: Fri Nov 23 03:41:13 2012 +0100
fstab-generator: generate new_root.mount in initrd
On Fri, Mar 1, 2013 at 6:50 PM, Lennart Poettering
<lennart at poettering.net>wrote:
> On Fri, 01.03.13 18:38, Tom Gundersen (teg at jklm.no) wrote:
> > On Fri, Mar 1, 2013 at 5:49 PM, Lennart Poettering
> > <lennart at poettering.net> wrote:
> > >> When rootwait is not passed the kernel calls sys_mount() immediately
> > >> (after the equivalent of "udevadm settle") assuming the device will be
> > >> there, failing if it is not. Otherwise, if rootwait is called, the
> > >> kernel will wait (possibly indefinitely) for the device to appear
> > >> before attempting to mount it.
> > >>
> > >> Setting JobTimeout=0 on the device seems correct to me.
> > >
> > > I don't really agree. The difference between the kernel and the initrd
> > > in this regard is that the initrd can offer the user a shell, he can
> > > debug things with. The naked kernel cannot do this. If the root device
> > > doesn't show up we should give the user a shell, so we should timeout
> > > this.
> > Yeah, when using systemd 'rootwait' is not really that useful, as we
> > can do better.
> Harald, do you mind if I revert your patch that added "rootwait" support
> to fstab generator? What's the precise benefit of supporting that in the
> Lennart Poettering - Red Hat, Inc.
> systemd-devel mailing list
> systemd-devel at lists.freedesktop.org
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