On Tue, May 05, 2020 at 11:59:14AM +0200, Miklos Szeredi wrote: > Unlike the others, this is _not_ a standard option accepted by mount(8). > > In fact SB_POSIXACL is an internal flag, and accepting MS_POSIXACL on the > mount(2) interface is possibly a bug. > > The only filesystem that apparently wants to handle the "posixacl" option > is 9p, but it has special handling of that option besides setting > SB_POSIXACL. Looks good: Reviewed-by: Christoph Hellwig <hch@xxxxxx>