Re: xfs bug in 2.6.26-rc9

Sebastian Siewior
2008-07-12T05:06:25Z

* Dave Chinner | 2008-07-12 09:22:01 [+1000]:

>I effectively quoted from it:
>
>config XFS_DEBUG
> bool "XFS Debugging support (EXPERIMENTAL)"
> depends on XFS_FS && EXPERIMENTAL
> help
> Say Y here to get an XFS build with many debugging features,
> including ASSERT checks, function wrappers around macros,
> and extra sanity-checking functions in various code paths.
>
> Note that the resulting code will be HUGE and SLOW, and probably
> not useful unless you are debugging a particular problem.
>
> Say N unless you are an XFS developer, or you play one on TV.
>
>> Debug mode is usually
>> noisy, little slower and mostly usefull just to the developers but *I*
>> would not expect to BUG() in the non-fatal case.
>
>What do you expect debug code to do? Asserts are designed to
>drop the machine into a debugger when they fail so the problem can
>be, well, debugged.
Sorry, I haven't read this. Userspace assert() results in abort() so it
sane to bug() in kernel.

>Dave.
Sebastian