Enabling Large Block Size Devices in Linux

Explore the ongoing efforts and challenges in supporting Large Block Size (LBS) devices in Linux. Learn about the importance of increasing block sizes in storage devices for supporting larger capacities, higher density, and more cost-effective SSDs. Discover the history of block size standards in the storage industry and understand the technical reasons behind the push for larger block sizes. Delve into recent advancements in Linux, including folio adoption in the page cache and iomap, that are making support for larger block sizes more attainable. Examine the potential advantages of large LBS devices and their role in enabling a new generation of high-capacity, cost-effective SSDs. This conference talk provides insights into the future of storage technology and its implementation in Linux systems.