General question about parsing an rbd filename

[Connor Kuehl]

Hi,

block/rbd.c hints that:

>  * Configuration values containing :, @, or = can be escaped with a
>  * leading "\".

Right now, much of the parsing code will allow anyone to escape 
_anything_ so long as it's preceded by '\'.

Is this the intended behavior? Or should the parser be updated to allow 
escaping only certain sequences.

Just curious.

Thanks,

Connor