Commits
Tejun Heo committed 3a8e9ac89e6
writeback: add tracepoints for cgroup foreign writebacks cgroup foreign inode handling has quite a bit of heuristics and internal states which sometimes makes it difficult to understand what's going on. Add tracepoints to improve visibility. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>