Re: readahead on directories

[Jamie Lokier]

Evgeniy Polyakov wrote:
> > But if it does, go on, try FIEMAP and blockdev reading, you know you
> > want to :-)
> 
> Well, it requires substantial underlying fs knowledge and is not simple
> and, well, appropriate to do in some cases.

FIEMAP might not be the answer, but what part of it requires fs
knowledge?  It's supposed to be fs-independent.  I agree it's not
always appropriate to use, and I don't know if it would be effective
anyway.

-- Jamie
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