Hello,
There's a strange bug in ramfs. If I mount ramfs, copy my entire /dev
directory to it (a normal /dev, not a devfs /dev), subsequently rm -R *
everything, I cannot unmount it anymore (umount: /mnt/ram: device is
busy). I checked but there really isn't any file left in it.
I tried mounting ramfs somewhere, creating a few
files/directories/symlinks/pipes/special devices/sockets, with and without
content, and removed them afterwards. When I tried to unmount, it
succeeded.
Clearly, something goes wrong somewhere, probably with refcounts. I
couldn't find anything with my quick look into the source though. And why
does ramfs have to be completely empty before it can be unmounted
anyway? That's totally unlike any other filesystem.
Met vriendelijke groet,
Guus Sliepen.
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