Re: [PATCH] scatterlist: inline sg_next()

From: Eric Biggers
Date: Wed Apr 16 2025 - 13:01:05 EST


On Wed, Apr 16, 2025 at 10:06:13AM -0600, Caleb Sander Mateos wrote:
> sg_next() is a short function called frequently in I/O paths. Define it
> in the header file so it can be inlined into its callers.
>
> Signed-off-by: Caleb Sander Mateos <csander@xxxxxxxxxxxxxxx>

Reviewed-by: Eric Biggers <ebiggers@xxxxxxxxxx>

I had been thinking about doing this too. Besides the benefits for storage,
this will also reduce the overhead in some parts of the crypto subsystem.

> Is it a concern that this would break kernel modules built against old headers?
> If so, I could update the patch to continue compiling and exporting sg_next() in
> scatterlist.c.

No, that's not a concern.

- Eric