Re: Block Size for Windows

[Kent Overstreet <koverstreet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>]

On Wed, Aug 29, 2012 at 06:22:30PM +0100, Jonathan Tripathy wrote:
> On 29/08/2012 13:12, Jonathan Tripathy wrote:
> >
> >On 29.08.2012 08:03, Kent Overstreet wrote:
> >>I just went ahead and backed out the problematic change. Haven't even
> >>tried building the code yet - but if you feel lucky, it's up. I bet it
> >>fixes it.
> >
> >Hi Kent,
> >
> >I pull down your latest code and did a build. I'm pleased to say
> >that Windows has now installed. I will do some further
> >testing/benchmarking to make sure that the install is stable.
> >
> >Many thanks for your quick help
> Hi Kent,
> 
> A little bad news. With this new build, the spindles are getting
> thrashed and this is constantly (never stopping) spewing out on my
> netconsole:
> 
> [23198.979215] md/raid10:md7: make_request bug: can't convert block
> across chunks or bigger than 512k 67230714 4
> [23198.979304] md/raid10:md7: make_request bug: can't convert block
> across chunks or bigger than 512k 67234814 4
> [23198.979393] md/raid10:md7: make_request bug: can't convert block
> across chunks or bigger than 512k 67235834 4
> [23198.979595] md/raid10:md7: make_request bug: can't convert block
> across chunks or bigger than 512k 67276796 3
> [23198.979696] md/raid10:md7: make_request bug: can't convert block
> across chunks or bigger than 512k 67297276 4
> [23198.979791] md/raid10:md7: make_request bug: can't convert block
> across chunks or bigger than 512k 67248126 4
> [23198.979886] md/raid10:md7: make_request bug: can't convert block
> across chunks or bigger than 512k 67284987 3
> [23198.979966] md/raid10:md7: make_request bug: can't convert block
> across chunks or bigger than 512k 67305471 4
> [23198.980215] md/raid10:md7: make_request bug: can't convert block
> across chunks or bigger than 512k 67329017 4
> [23198.980337] md/raid10:md7: make_request bug: can't convert block
> across chunks or bigger than 512k 67323899 4
> [23198.980542] md/raid10:md7: make_request bug: can't convert block
> across chunks or bigger than 512k 67330047 2
> [23198.981707] md/raid10:md7: make_request bug: can't convert block
> across chunks or bigger than 512k 67335164 3
> [23198.982164] md/raid10:md7: make_request bug: can't convert block
> across chunks or bigger than 512k 67346429 4
> 
> Any ideas?

Oh hell, I see the problem. That one is not going to be such an easy
fix. I'm going to have to think about it.

Amusing part is it looks like blocksize = 4k was working around the
problem... :/