Status of pwritev2/preadv2 in glibc?

Adhemerval Zanella adhemerval.zanella@linaro.org
Tue Apr 25 11:46:00 GMT 2017



On 24/04/2017 14:55, Stephen  Bates wrote:
> 
>> So far, no one has submitted a patch.
> 
> OK, unless I hear that someone else is working on one I will take a look at this.
> 
>> I hope the off_t parameter is passed exactly the same way as for pwritev 
>> and its 64-bit variant, for all architectures.
> 
> Duly noted.
> 
> For the kernel peeps I think this makes a case for revisiting the “big hammer” control for IO polling since it is going to be a while before applications can utilize the preadv2/pwritev2 approach… I will take a look at that too.
> 
> Stephen
> 
> 

I am working on it btw [1]

[1] https://sourceware.org/ml/libc-alpha/2017-04/msg00461.html

PS: resending with cc to all.



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