linux-kernel - Re: [PATCH v2] include: Remove pagemap.h from blkdev.h

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Message-ID: <yq1ft139i5g.fsf@ca-mkp.ca.oracle.com>
Date:   Wed, 10 Mar 2021 09:51:38 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-bcache@...r.kernel.org, linux-nvdimm@...ts.01.org,
        linux-scsi@...r.kernel.org
Subject: Re: [PATCH v2] include: Remove pagemap.h from blkdev.h


Matthew,

> My UEK-derived config has 1030 files depending on pagemap.h before
> this change.  Afterwards, just 326 files need to be rebuilt when I
> touch pagemap.h.  I think blkdev.h is probably included too widely,
> but untangling that dependency is harder and this solves my problem.
> x86 allmodconfig builds, but there may be implicit include problems on
> other architectures.

SCSI portion looks fine.

Acked-by: Martin K. Petersen <martin.petersen@...cle.com>

-- 
Martin K. Petersen	Oracle Linux Engineering