Re: [PATCH] [2.5] Non-blocking write can block

[Alan Cox]

On Mer, 2003-06-04 at 15:35, Linus Torvalds wrote:
> In general, we shouldn't do this, unless somebody can show an application 
> where it really matters. Taking internal kernel locking into account for 
> "blockingness" easily gets quite complicated, and there is seldom any real 
> point to it.

Hanging shutdown is the obvious one. With 2.0/2.2 we had a similar
problem and fixed it.