Re: [PATCH 51/56] drivers/char/mem: support compiling out splice
Date: Tue Nov 18 2014 - 17:42:53 EST
On Tue, Nov 18, 2014 at 10:46:59PM +0100, Pieter Smith wrote:
> Turning all exported splice functions into static inline NOP's covers
> almost everything...
> fs/fuse and net/skbuf use an exported ops struct from fs/splice.c. Mocking
> out an exported ops struct seems way uglier than linking out the
> dependencies with a __splice_p() macro and __maybe_unused.
> Any thoughts or suggestions?
You could make FUSE select SPLICE_SYSCALL.
For skbuff, what's the dependency? Ideally NET shouldn't select
SPLICE_SYSCALL. You might try compiling out *only* that particular
instance, and seeing how clean you can make that.
- Josh Triplett
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