On Thu, Jan 14, 2010 at 1:04 PM, Erez Zilber <erezzi.l...@gmail.com> wrote:
> On Thu, Jan 14, 2010 at 10:44 AM, Ulrich Windl
> <ulrich.wi...@rz.uni-regensburg.de> wrote:
>> On 13 Jan 2010 at 18:56, Erez Zilber wrote:
>> Hi!
>> I wonder whether the #define could be replaced with an inline function.
>> The readability would be much better, and the code should be more or
>> less the same, unless you need special macro processing. For code size
>> we could even try to make it a "normal" routine (i.e. not inlined). The
>> performance might suffer a little bit, however.
>> Also: With "-O3" gcc usually automatically inlines short "static"
>> (locally defined?) routines.
> We can make it inline instead of using a macro. I used macros because
> this is what we had till now, and I didn't want to change that. The
> only problem with inline functions is that it's up to the compiler to
> decide if the function will be inlined. This may affect performance in
> some cases.
> Erez

One more thing: take a look at _iscsi_sw_tcp_log. If we have a large
amount of contexts in the module (connection, session, error handling,
data transfer, socket, module etc), the switch block may become quite
large. I don't know if the compiler will decide to make such a
function inline.

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