Commits on Jun 6, 2017

1. multirom: Support mounting booted external EXT4/F2FS …

    * When booting from an EXT4 or F2FS MicroSD / USB Drive,
       the external partition itself is not mountable and
       accessible from the Android userspace for media or data
   
    * External booted partition is mounted early for /system,
       /data and /cache, therefore e2fsck fails to check,
       and vold avoids mounting the 'corrupted' partition
   
    * Furthermore on CM/LineageOS based ROMs, external drives
       using EXT4 or F2FS are mounted with an sdcard context,
       which fails due to the superblock mounts mismatching
       the early MultiROM mount of the same partition
   
    * Work around this limitation from vold and external boots
       by flagging such a boot as an external_mount path,
       remove the fstab entry matching the external MicroSD
       or external USB, and finally mount the partition
       to a new 'external_multirom' folder inside the internal
       media storage under /data/media or /data/media/0
   
    * Stores external mount paths and filesystem globally
       for later use upon Android mounts preparation
   
   Change-Id: Ifab658ac03a481b40b517a978621f25e09f8622b
   Signed-off-by: Adrian DC <radian.dc@gmail.com>

   

   AdrianDC committed Jun 6, 2017
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