Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> writes: > But the basic issue still remains - I'd really prefer to have NOATIME > stay around for all those poor misguided souls that for some reason > don't like "relatime" or run old kernels. But whether it is with > O_NOATIME at open time or with F_SETFL, I don't care. Understood. Would the best endgame shape for this function be to open with O_NOATIME (and retry without), and then add CLOEXEC with fcntl(2) but ignoring an error from it, I guess? That would be the closest to what we historically had, I would think.