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From: Christoph Hellwig <hch@lst.de>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Christoph Hellwig <hch@infradead.org>,
	"Darrick J. Wong" <darrick.wong@oracle.com>,
	linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	Christoph Hellwig <hch@lst.de>,
	Andreas Gruenbacher <agruenba@redhat.com>,
	Hannes Reinecke <hare@suse.com>,
	Souptick Joarder <jrdr.linux@gmail.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iomap: hide iomap_sector with CONFIG_BLOCK=n
Date: Thu, 18 Jul 2019 14:57:03 +0200	[thread overview]
Message-ID: <20190718125703.GA28332@lst.de> (raw)
In-Reply-To: <20190718125509.775525-1-arnd@arndb.de>

On Thu, Jul 18, 2019 at 02:55:01PM +0200, Arnd Bergmann wrote:
> When CONFIG_BLOCK is disabled, SECTOR_SHIFT is unknown:
> 
> In file included from <built-in>:3:
> include/linux/iomap.h:76:48: error: use of undeclared identifier 'SECTOR_SHIFT'
>         return (iomap->addr + pos - iomap->offset) >> SECTOR_SHIFT;
> 
> Since there are no callers in this case, just hide the function in
> the same ifdef.
> 
> Fixes: db074436f421 ("iomap: move the direct IO code into a separate file")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Can we just not include iomap.c when CONFIG_BLOCK is not set?
Which file do you see this with?

  reply	other threads:[~2019-07-18 12:57 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-18 12:55 [PATCH] iomap: hide iomap_sector with CONFIG_BLOCK=n Arnd Bergmann
2019-07-18 12:57 ` Christoph Hellwig [this message]
2019-07-18 13:03   ` Arnd Bergmann
2019-07-18 13:08     ` Christoph Hellwig
2019-07-18 14:25       ` Darrick J. Wong
2019-07-19  2:19         ` Masahiro Yamada
2019-07-19  2:24           ` Randy Dunlap
2019-07-19  2:32             ` Masahiro Yamada
2019-07-19  5:58           ` Christoph Hellwig
2019-07-19  6:16             ` Masahiro Yamada
2019-07-19  6:19               ` Christoph Hellwig
2019-07-18 14:48       ` Arnd Bergmann

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