Re: [PATCH] 2.6.10 - direct-io async short read bug
From: Andrew Morton
Date: Tue Mar 08 2005 - 04:45:26 EST
Suparna Bhattacharya <suparna@xxxxxxxxxx> wrote:
> > > can you spot what is going wrong here that we have to try and
> > > workaround this later ?
> > Good question. Do we have the i_sem coverage to prevent a concurrent
> > truncate?
> > But from Sebastien's description it doesn't soound as if a concurrent
> > truncate is involved.
> Daniel McNeil has a testcase that reproduces the problem - seemed
> like a single thread thing - that's what puzzles me.
OK. It'd be nice if we could find a solution which gets around that i_size
access in the ISR, if someone has the time to look into it?
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