Linux 4.9 is coming along nicely, with Linus Torvalds emitting the fourth release candidate on Saturday evening.
But before he got there, he offered a minor kernel mailing list explosion when developer Miklos Szeredi proposed the concept of feature flags to allow backward incompatible changes to the overlay format in overlayfs.
Szeredi opined that the feature was long overdue.
Torvalds disagreed that the feature was needed, never mind overdue.
Another poster to the Linux Kernel Mailing List, Amir Goldstein, asked for clarification of Linus' thinking.
Torvalds responded that the proposed code came at the wrong time, said the whole concept seems frankly totally misdesigned and then offered this observation: