btrfs__chunk 934 include/trace/events/btrfs.h DECLARE_EVENT_CLASS(btrfs__chunk, btrfs__chunk 968 include/trace/events/btrfs.h DEFINE_EVENT(btrfs__chunk, btrfs_chunk_alloc, btrfs__chunk 976 include/trace/events/btrfs.h DEFINE_EVENT(btrfs__chunk, btrfs_chunk_free,