On Mon, Apr 15, 2019 at 11:04:06AM +0200, Peter Zijlstra wrote: > On Sun, Apr 14, 2019 at 09:42:00PM -0700, Alexei Starovoitov wrote: > > On Sat, Apr 13, 2019 at 10:02:42PM +0100, Al Viro wrote: > > > What's the point of using fget_raw(), if you do > > > _not_ accept O_PATH descriptors? That should be fget()... > > > > I think you're talking about commit e03e7ee34fdd ("perf/bpf: Convert perf_event_array to use struct file") > > I don't really remember why we went with this instead of fget(). > > There was a bunch of back and forth back then with Peter. > > That was mostly on what refcount to use, you wanted to use the event > refcount, and I suggested using the file refcount. > > If you look at: > > lkml.kernel.org/r/20160126161637.GF6357@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx > > I too wondered about the fget_raw() at the time, whatever Al wants > though, I never quite remember how that file stuff works :/ Anyway, fget() it becomes...