Re: [GIT PULL] bcachefs updates for 6.8

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On Thu, Jan 11, 2024 at 03:42:19PM -0800, Kees Cook wrote:
> On Thu, Jan 11, 2024 at 10:57:18PM +0000, Matthew Wilcox wrote:
> > On Wed, Jan 10, 2024 at 05:47:20PM -0800, Linus Torvalds wrote:
> > > No, because the whole idea of "let me mark something deprecated and
> > > then not just remove it" is GARBAGE.
> > > 
> > > If somebody wants to deprecate something, it is up to *them* to finish
> > > the job. Not annoy thousands of other developers with idiotic
> > > warnings.
> > 
> > What would be nice is something that warned about _new_ uses being
> > added.  ie checkpatch.  Let's at least not make the problem worse.
> 
> For now, we've just kind of "dealt with it". For things that show up
> with new -W options we've enlisted sfr to do the -next builds with it
> explicitly added (but not to the tree) so he could generate nag emails
> when new warnings appeared. That could happen if we added it to W=1
> builds, or some other flag like REPORT_DEPRECATED=1.
> 
> Another ugly idea would be to do a treewide replacement of "func" to
> "func_deprecated", and make "func" just a wrapper for it that is marked
> with __deprecated. Then only new instances would show up (assuming people
> weren't trying to actively bypass the deprecation work by adding calls to
> "func_deprecated"). :P Then the refactoring to replace "func_deprecated"
> could happen a bit more easily.
> 
> Most past deprecations have pretty narrow usage. This is not true with
> the string functions, which is why it's more noticeable here. :P

Before doing the renaming - why not just leave a kdoc comment that marks
it as deprecated? Seems odd that checkpatch was patched, but I can't
find anything marking it as deprecated when I cscope to it.




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