Re: [PATCH v2 001/110] vfs: introduce kino_t typedef and PRIino format macro

Christoph Hellwig <[email protected]> Tue, 3 Mar 2026 05:59:25 -0800
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Message-ID <[email protected]>
On Tue, Mar 03, 2026 at 08:43:15AM -0500, Jeff Layton wrote:
> On Tue, 2026-03-03 at 05:37 -0800, Christoph Hellwig wrote:
> > On Tue, Mar 03, 2026 at 05:53:39AM -0500, Jeff Layton wrote:
> > > Like I said to Ted, this is just temporary scaffolding for the change.
> > > The PRIino macro is removed in the end. Given that, perhaps you can
> > > overlook the bikeshed's color in this instance?
> > 
> > So why add it in the first place?  
> 
> Bisectability. The first version I did of this would have broken the
> ability to bisect properly across these changes. I don't love the
> "churn" here either, but this should be cleanly bisectable.

What do you need to bisect in format string changes?  Splitting
every variable type change outside of the main i_ino out - sure.
But bisecting that "change to u64 in ext4" really broke ext4 and
not "change to u64" is not very useful.  Commits should do one
well defined thing.  Adding a weird transition layer for a format
thing that just gets dropped is not one well defined thing.