[RFC] add UUID support to tune2fs

[Stephan Raue]

Hi,

to replace e2fsprogs with busybox applets on my small linux system i 
need UUID support to 'tune2fs' applet. Is it possible to add the "-U" 
option to tune2fs to add UUID labels on ext* partitions (i need also the 
random option).

from man tune2fs:

        -U UUID
               Set the universally unique identifier (UUID) of the 
filesystem to UUID.  The format of the UUID is a series of hex digits sepa-
               rated by hyphens, like this: 
"c1b9d5a2-f162-11cf-9ece-0020afc76f16".  The UUID parameter may also be 
one of the following:

                    clear  clear the filesystem UUID

                    random generate a new randomly-generated UUID

                    time   generate a new time-based UUID

thanks and many greetings

Stephan

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