[PATCH 0/5] xfs: fix direct IO completion issues

Christoph Hellwig hch at infradead.org
Sun Apr 12 10:09:32 CDT 2015


On Fri, Apr 10, 2015 at 11:37:55PM +1000, Dave Chinner wrote:
> Hi folks,
> 
> This patchset addresses the deeper problems Brian outlined in the
> description of this patch:
> 
> http://oss.sgi.com/archives/xfs/2015-04/msg00071.html
> 
> The basic issues is that DIO completion can run in interrupt context
> and it does things it should not do in interrupt context because Bad
> Things Will Happen.

Where do we complete DIO writes from irq context?  Since my direct-io.c
changes from a few years ago that should not be the case.



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