ext2_acl_entry
sizeof(ext2_acl_entry), GFP_KERNEL);
ext2_acl_entry *entry = (ext2_acl_entry *)e;
e += sizeof(ext2_acl_entry);
e += sizeof(ext2_acl_entry);
ext2_acl_entry *entry =
(ext2_acl_entry *)value;
value = (char *)value + sizeof(ext2_acl_entry);
value = (char *)value + sizeof(ext2_acl_entry);
(count - 4) * sizeof(ext2_acl_entry);
if (s % sizeof(ext2_acl_entry))
return s / sizeof(ext2_acl_entry) + 4;