Re: [PATCH 4/9] shmem: remove shmem_get_partial_folio

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On Wed, Jan 18, 2023 at 08:57:05AM -0500, Brian Foster wrote:
> This all seems reasonable to me at a glance, FWIW, but I am a little
> curious why this wouldn't split up into two changes. I.e., switch this
> over to filemap_get_entry() to minimally remove the FGP_ENTRY dependency
> without a behavior change, then (perhaps after the next patch) introduce
> SGP_FIND in a separate patch. That makes it easier to review and
> potentially undo if it happens to pose a problem in the future. Hm?

The minimal change to filemap_get_entry would require to add the
lock, check mapping and retry loop and thus add a fair amount of
code.  So I looked for ways to avoid that and came up with this
version.  But if there is a strong preference to first open code
the logic and then later consolidate it I could do that.




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