Re: Non-blocking read

Arjan van de Ven (adve@oce.nl)
Tue, 15 Jun 1999 09:32:13 +0200 (CEST)

In article <37659004.6C72667F@infolibria.com> you wrote:
> Async. read-ahead would not be reliable, would it? The next time you
> (as in your process that wants this data block) context switches in, the
> read-ahead data may have disappeared from the buffer cache. Theres also
> this added complication of second level indirection coming from the
> inode.

When I (= the application) ask for a non-blocking read, I don't mind getting
a -EAGAIN if the data is _not_ available right now. As long as it will be
available sometime in the future, it is ok since I will ask again...

Greetings,
Arjan van de Ven

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