RE: [RFC PATCH] iov_iter: Convert iterate*() to inline funcs

[David Laight]

From: David Howells
> Sent: 11 August 2023 15:32
> 
> Convert the iov_iter iteration macros to inline functions to make the code
> easier to follow.  Ideally, the optimiser would produce much the same code
> in both cases, but the revised code ends up a bit bigger.
...

Actually quite typical because inlining happens much later on.
I suspect that the #define benefits from the compile front-end
optimising constants.

	David

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