On Wed, 2020-12-23 at 17:35 -0500, Trevor Woerner wrote: > On Wed 2020-12-23 @ 10:06:05 PM, Richard Purdie wrote: > > On Wed, 2020-12-23 at 16:50 -0500, Trevor Woerner wrote: > > > On Wed 2020-12-23 @ 06:00:21 PM, Richard Purdie wrote: > > > > Personally, I don't really like the idea of having a top level > > > > directory called .psplash, > > > > > > Neither do I, which is why I also added the code to remove the > > > directory once > > > the psplash program is done running. Whenever psplash is run the > > > directory is > > > created just before it starts and removed when psplash is done. > > > > > > > is there a reason it doesn't work in /mnt? > > > > > > This all works fine (without any changes) on the qemuX machines, > > > but > > > on a real device (e.g. rpi) when the image is booted for the > > > first > > > time everything is mounted, initially, RO, when using sysvinit. > > > At > > > the end of the first boot, and for every subsequent boot, the > > > filesystem is R/W, so everything works on > > > subsequent boots. > > > > Right, but why can't psplash create /mnt/.psplash? Why do we need / > > and > > not /mnt ? > > Ah okay. > > Let me play with it some more. The only point of /mnt/.psplash (or > /.psplash) > is to have a directory in which a tmpfs can be mounted in which the > fifo is > created. [this is the current behaviour] > > It all sounds rather convoluted. I'll look for something better.
I remember being involved in trying to make this work. With sysvinit, /tmp and /var aren't available before populate-volatiles which is at init ordering "23" which was deemed too late for the splash screen. The only other option for a rw directory was either to mount one ourselves (the solution implemented) or maybe use something in devtmpfs but devtmpfs wasn't really the way people did things back then and wouldn't work universally. The world has moved on, could we assume devtmpfs now? Cheers, Richard
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