Re: kill req->errors

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On Thu, Apr 06, 2017 at 05:39:19PM +0200, Christoph Hellwig wrote:
> Currently the request structure has an errors field that is used in
> various different ways.  The oldest drivers use it as an error count,
> blk-mq and the generic timeout code assume that it holds a Linux
> errno for block completions, and various drivers use it for internal
> status values, often overwriting them with Linux errnos later,
> that is unless they are processing passthrough requests in which
> case they'll leave their errors in it.
> 
> This series kills the ->errors field and replaced it with new fields
> in the drivers (or an odd hack in a union in struct request for
> two bitrotting old drivers).
> 
> Note that this series expects that the patch to remove the mg_disk
> driver has been applied already on top of the block for-next tree.

You wouldn't have a git tree to easily test it? Thanks.



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