[$] epoll_pwait2(), close_range(), and encoded I/O

Post Syndicated from original https://lwn.net/Articles/837816/rss

The various system calls and other APIs that the kernel provides for access
to files and filesystems has grown increasingly comprehensive over the
years. That does not mean, though, that there is no need or room for
improvement. Several relatively small additions to the kernel’s
filesystem-related API are under consideration in the development
community; read on for a survey of some of this work.