[$] Zoned storage

Zoned storage is a form of storage that offers higher capacities by making tradeoffs in the kindsof writes that are allowed to the device. It was the topic of a storage andfilesystem session led by LuisChamberlain at the2022 Linux Storage,Filesystem, Memory-management and BPF Summit (LSFMM). Over the years,zoned storage has been a frequent topic at LSFMM, going back to LSFMM 2013, where support forshingled magnetic recording (SMR) devices, which were the starting point forzoned storage, was discussed.