type e2fs, domain, coredomain;
type e2fs_exec, exec_type, file_type;

allow e2fs block_device:blk_file getattr;
allow e2fs block_device:dir search;
allow e2fs userdata_block_device:blk_file rw_file_perms;

# access /proc/filesystems
allow e2fs proc:file r_file_perms;

# access /sys/fs/ext4/features
allow e2fs sysfs_fs_ext4_features:file r_file_perms;

# access sselinux context files
allow e2fs file_contexts_file:file { getattr open read };