On Thursday 31 March 2011, Andrei Warkentin wrote:
> Plus what if you do intend to have a file system there? Other than
> complexity and non-obvious usage, I don't see
> anything gained by this. I wouldn't worry about ways of misusing this.
> As I've said, in the only case it matters (some embedded device
> booting from the boot partition), the user would have to gain root
> access, build a kernel giving access to the boot partitions and be
> able to boot into it.
The character device (or sysfs_bin_file actually) would only make
sense if we know that there is no reason to put a file system on it.
The idea of that is that we intentionally treat it like a firmware
flash, not like a block device because that is how it's used.
If there is a reasonable chance that people actually want to have
a file system in the boot partition, it should by all means be
a block device.
Arnd
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