Re: [PATCH 1/8] xfs: check for buffer errors before waiting

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On Thu, Mar 29, 2012 at 04:48:11PM -0500, Mark Tinguely wrote:
> On 03/29/12 16:10, Dave Chinner wrote:
> >On Thu, Mar 29, 2012 at 02:04:09PM -0500, Mark Tinguely wrote:
> >If the previous user of the buffer got an error, it is not
> >guaranteed to be cleared because the buffer is not re-initialised.
> >i.e. it's an uncached buffer that we control completely and reuse
> >from IO to IO with just a reset of the bno and length. If b_error is
> >non zero here, then the IO can fail because nothing else clears the
> >error in the dispatch path....
> 
> Thank-you for the explanation.
> 
> FYI: I am having problems with the patches applying. This patch
> complained at hunk at offset 623. Maybe I am using too new of kernel
> source.

That's because they are based on top of a current TOT mainline and
Christoph's dio ilock and xfsbufd removal changes.

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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