linux-kernel - Re: [PATCH] git scsi misc include fix

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Date:	Mon, 15 Oct 2007 19:35:30 -0400
From:	James Bottomley <James.Bottomley@...elEye.com>
To:	Paul Jackson <pj@....com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Matthew Wilcox <willy@...ux.intel.com>,
	linux-kernel@...r.kernel.org,
	Andrew Vasquez <andrew.vasquez@...gic.com>,
	linux-scsi <linux-scsi@...r.kernel.org>
Subject: Re: [PATCH] git scsi misc include fix

On Sat, 2007-10-13 at 22:35 -0700, Paul Jackson wrote:
> From: Paul Jackson <pj@....com>
> 
> The added line in scsi_eh.h:
> 	struct scatterlist sense_sgl;
> fails to compile, with the error:
> 	field 'sense_sgl' has incomplete type
> unless scatterlist.h happens to be included
> somehow already ... which it isn't always.
> 
> So include scatterlist.h in scsi_eh.h directly.
> 
> Signed-off-by: Paul Jackson <pj@....com>
> 
> ---
> 
> This patch goes after the patch 'git-scsi-misc.patch'
> 
>  include/scsi/scsi_eh.h |    1 +
>  1 file changed, 1 insertion(+)
> 
> --- 2.6.23-mm1.orig/include/scsi/scsi_eh.h	2007-10-13 01:13:26.568876534 -0700
> +++ 2.6.23-mm1/include/scsi/scsi_eh.h	2007-10-13 01:31:32.911855338 -0700
> @@ -2,6 +2,7 @@
>  #define _SCSI_SCSI_EH_H
>  
>  #include <scsi/scsi_cmnd.h>
> +#include <linux/scatterlist.h>
>  struct scsi_device;
>  struct Scsi_Host;


I've added linux-scsi which should be cc'd on all SCSI issues.

I don't quite believe this, though.  The requirement for struct
scatterlist is the same before and after the gid scsi-misc patch.  If
the compile fails with git-scsi-misc because of a missing scatterlist
include, it should also fail with vanilla 2.6.23 without the git
patch ... could you see if you can find out why it doesn't?

thanks,

James


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