On Fri, Oct 16, 2015 at 6:00 PM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote: > On Fri, Oct 16, 2015 at 8:17 AM, Andreas Gruenbacher > <agruenba@xxxxxxxxxx> wrote: >> Automatic Inheritance works as follows: >> >> - When the RICHACL_AUTO_INHERIT flag in the acl of a file or directory >> is not set, the file or directory is not affected by AI. >> >> - When the RICHACL_AUTO_INHERIT flag in the acl of a directory is set >> and a file or subdirectory is created in that directory, the >> inherited acl will have the RICHACL_AUTO_INHERIT flag set, and all >> inherited aces will have the RICHACE_INHERITED_ACE flag set. This >> allows user space to distinguish between aces which have been >> inherited and aces which have been explicitly added. > > What if the file or subdirectory that's created in that directory is a > hard link? Directories cannot have hard links. When a file is hard linked into multiple directories with different inheritable permissions, the permissions set last will "win". This isn't particularly pretty, but it's the way this has worked on that other operating system with significant marked share for the last fifteen years. Thanks, Andreas -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
