patches for newlib-1.16.0 and newlib-1.15.0

[Ralf Corsepius]

Joel Sherrill wrote:
> Kate Feng wrote:
>> Hi,
>>
>> The patches appear confused due to the option flag '-D' that it deserves
>> to be explained further :
>>
>> In newlib-1.16.0/newlib/configuire.host or 
>> newlib-1.15.0/newlib/configuire.host:
>> for the case of  '*-*-rtems*)' (e.g. line #529) , one can add the 
>> -DHAVE_BLKSIZE
>> option to  the 'newlib_cflags' (e.g. line #532) to improve the 
>> performance the
>> RTEMS-NFS.
>>   
> I think Ralf and I both understood that. We both think
> it is probably OK to do on the head 

The latest rtems-4.10 toolchain spin has this change added.

> but are concerned with
> its possible impact on other filesystems. I would love
> to hear the performance impact of this on the FAT filesystem
> as well. But that won't hold this up.
Exactly.

Please test the latest rtems-4.10 toolchain packages and keep an eye 
esp. on imfs and dosfs. ATM, the possible side-effects of this change on 
them are not fully understood.

Any reports ("no impact", "higher/lower memory demands", "better/worse 
throughput", "behavior has improved/worsened") would be welcomed

Ralf