On Fri, May 13, 2022 at 10:40:30AM -0700, Khazhismel Kumykov wrote: > Restores the previous behavior of only displaying devices for which we > have statistics (and removes the current, broken, behavior of printing > devname with no newline if no statistics) > > In lieu of get_seq_buf + seq_commit, provide a way to "undo" writes if > we use seq_printf I have to say I much prefer the simpler fix from Wolfgang. But if we want to go down this route it needs to split into a patch for the seq_file infrastruture and a separate one for the blk-cgroup code.
