[$] Buffer sizes for FUSE io_uring
The Filesystem in Userspace (FUSE) subsystem provides a way to service filesystem requests from a user-space server, which moves the format-handling code out of the kernel. The FUSE server can use the io_uring facility for better performance, but Bernd Schubert is concerned that memory is being wasted because the current implementation has a single, large buffer size that is excessive for small…
We haven't written up this one. LWN has the full story — the link below goes straight to it.