Re: [PATCHSET v6 0/12] Uncached buffered IO

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On 12/10/24 4:11 AM, Christoph Hellwig wrote:
> On Tue, Dec 03, 2024 at 09:52:41PM -0800, Darrick J. Wong wrote:
>> <shrug> RWF_DONTCACHE, to match {I,DCACHE}_DONTCACHE ? ;)
>>
>> They sound pretty similar ("load this so I can do something with it,
>> evict it immediately if possible") though I wouldn't rely on people
>> outside the kernel being familiar with the existing dontcaches.
> 
> FYI, another word for dontcache.  uncached just has too many conotations
> in the kernel context.

Sure, we can go with DONTCACHE instead. Only thing I don't like about
that is that you can use uncached as a verb and adjective, eg talking
about uncached IO. Talking about dontcached IO sounds pretty weird.

As I've said previously in this and other threads, I don't feel too
strongly about the in-kernel naming, I care more about the exposed
name. And uncached does seem to be the most descriptive and most
easily understandable by users.

-- 
Jens Axboe





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