DOSFS: why do the sources use _core_mutex?

[Thomas Doerfler]

Hi,

currently a collegue is busy implementing a IDE block 
device driver to use with the RTEMS dosfs library. 
Progress is rather good, but during debugging we 
detected some problems around the "_CORE_mutex_xxx" 
calls. 

I am pretty confident, that these problems have 
something to do with our debug environment (on a 
MPC860), but nevertheless I am a bit confused: I 
thought that these _CORE_mutex" calls are private to 
the RTEMS kernel. So my question: Is it good practice 
to use CORE_mutex_xxx calls outside the kernel? Or 
would it be better to move to semaphores instead?

wkr,
	Thomas Doerfler.
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