On Oct 28 2007 10:34, Russell King wrote:
>On Sat, Oct 27, 2007 at 03:40:04PM -0700, Joe Perches wrote:
>> and forward declarations of
>>
>> struct proc_dir_entry;
>> struct file_operations;
>>
>> As a general rule, I think it better to use includes
>> than use naked forward declarations.
>
>If you go down that route, you end up with _lots_ of circular
>dependencies - header file X needs Y needs Z which needs X. We've
>been there, several times. It very quickly becomes quite
>unmaintainable - you end up with hard to predict behaviour from
>include files.
>
>The only realistic solution is to use forward declarations.
Especially because it reduces the amount of I/O that needs to be done.
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