Re: [patch rfc] towards supporting O_NONBLOCK on regular files

[Pavel Machek]

Hi!

> This patch makes an attempt at supporting the O_NONBLOCK flag for regular
> files.  It's pretty straight-forward.  One limitation is that we still call
> into the readahead code, which I believe can block.  However, if we don't
> do this, then an application which only uses non-blocking reads may never
> get it's data.

This looks very nice. Does it mean that aio and friends are instantly obsolete?

Does it have comparable performance to aio?
				Pavel


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