[$] Maintainers don't scale

In something of a grab-bag session, Josef Bacik led a discussion aboutvarious challenges that Linux kernel maintainers face, some of which lead toburnout. The session was originallygoing to be led by Darrick Wong, but he was unable to come to LSFMM, soBacik gathered some of Wong's concerns and combined them with his own in ajoint storage and filesystem session at the2022 Linux Storage,Filesystem, Memory-management and BPF Summit (LSFMM). As part of thediscussion, Bacik presentedhis view on what the role of a kernel maintainer should be, which seemed toresonate with those present.