Merge "Create /data_mirror in init.rc"

#

# create some directories (some are mount points) and symlinks

LOCAL_POST_INSTALL_CMD := mkdir -p $(addprefix $(TARGET_ROOT_OUT)/, \

    dev proc sys system data odm oem acct config storage mnt apex debug_ramdisk \

    dev proc sys system data data_mirror odm oem acct config storage mnt apex debug_ramdisk \

    linkerconfig $(BOARD_ROOT_EXTRA_FOLDERS)); \

    ln -sf /system/bin $(TARGET_ROOT_OUT)/bin; \

    ln -sf /system/etc $(TARGET_ROOT_OUT)/etc; \

    mkdir /data/user 0711 system system encryption=None

    mkdir /data/user_de 0711 system system encryption=None

    symlink /data/data /data/user/0

    # Unlink /data/user/0 if we previously symlink it to /data/data

    rm /data/user/0

    # Bind mount /data/user/0 to /data/data

    mkdir /data/user/0 0700 system system encryption=None

    mount none /data/data /data/user/0 bind rec

    # Special-case /data/media/obb per b/64566063

    mkdir /data/media 0770 media_rw media_rw encryption=None

    mkdir /data/media/obb 0770 media_rw media_rw encryption=Attempt

    # A tmpfs directory, which will contain all apps CE DE data directory that

    # bind mount from the original source.

    chown root root /data_mirror

    chmod 0700 /data_mirror

    mount tmpfs tmpfs /data_mirror mode=0700,uid=0,gid=1000 nodev noexec nosuid

    restorecon /data_mirror

    mkdir /data_mirror/data_ce 0700 root root

    mkdir /data_mirror/data_de 0700 root root

    # Create CE and DE data directory for default volume

    mkdir /data_mirror/data_ce/null 0700 root root

    mkdir /data_mirror/data_de/null 0700 root root

    # Bind mount CE and DE data directory to mirror's default volume directory

    mount none /data/user /data_mirror/data_ce/null bind rec

    mount none /data/user_de /data_mirror/data_de/null bind rec

    mkdir /data/cache 0770 system cache encryption=Require

    mkdir /data/cache/recovery 0770 system cache

    mkdir /data/cache/backup_stage 0700 system system