init: Remove tmpfs from rootfstype option
rootfstype= is also a boot command line option interpreted by Linux and accepts 'tmpfs' as a possible value matched as a substring on the option string. Therefore, allow users to pass a comma-separated list of filesystem types and remove tmpfs from it along with a possibly leading comma.
Signed-off-by: Stefan Berger stefanb@linux.ibm.com
Edited by Stefan Berger