[$] Long-duration stress-testing for filesystems

Testing filesystems is a frequent topic atthe Linux Storage, Filesystem,Memory Management, and BPF Summit (LSFMM+BPF); the 2025 edition was noexception. Boris Burkov led a filesystem-track session to discussstress-testing filesystems-and running those tests for lengthy periods. Hereviewed what he has been doing when testing filesystems and wanted togather ideas for what could be done to catch more bugs before thefilesystems hit production.