On Tue, Sep 12, 2017 at 10:48:22PM -0700, Anish Jhaveri wrote: > On Tue, Sep 12, 2017 at 12:00:44PM -0400, Keith Busch wrote: > > > > I find this patch series confusing to review. You declare these failover > > functions in patch 1, use them in patch 2, but they're not defined until > > patch 7. > Sorry for late reply. > > Idea was to keep header file changes as separate patch. > I will move the function declaration to patch 7 and > rearrange the patch series. If you or anyone else finds > something which could help in browsing the changes, I > will try to incorporate next patchset. At the very least, you don't want any patch in the series to depend on a future patch just to compile. There are multiple breakages like that in your series. For example, patch 5 starts a kthread at function nvme_mpath_kthread, but that function doesn't exist until patch 8.