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SubjectRe: FIle IO Scatter/Gather.
Date


> > Could you please tell me if there is (or planned) the sxatter/gather or
> > queue processing on file I/O level.
> > I mean the syscall there you pass an array of different requests which
may
> > read or write data in different locations of file. Of couse this may be
> > implemented on user level but the in this case you lose the gain of
requests
> > reordering and processing them in optimal sequence.
>
> You mean implementing some kind of "preadv" where the vector holds
positions
> for each block ?
>

Yes a sort of. I'm unshure about preadv but as I remember readv is limited
to read sequential data into different memory locations, there I'm speaking
about reading data from the different file locations into different memory
locations.


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