allow e2fs persist_block_device:blk_file rw_file_perms;
allow e2fs efs_block_device:blk_file rw_file_perms;
allow e2fs modem_userdata_block_device:blk_file rw_file_perms;
allowxperm e2fs { persist_block_device efs_block_device modem_userdata_block_device }:blk_file ioctl {
  BLKSECDISCARD BLKDISCARD BLKPBSZGET BLKDISCARDZEROES BLKROGET
};