linux-kernel - Re: [PATCH 06/17] vfs: Rename generic_file_aio_write

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Message-ID: <20090821180759.GA31965@lst.de>
Date:	Fri, 21 Aug 2009 20:07:59 +0200
From:	Christoph Hellwig <hch@....de>
To:	Jan Kara <jack@...e.cz>
Cc:	Christoph Hellwig <hch@....de>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 06/17] vfs: Rename generic_file_aio_write_nolock

On Fri, Aug 21, 2009 at 07:56:17PM +0200, Jan Kara wrote:
> On Fri 21-08-09 19:30:34, Christoph Hellwig wrote:
> > On Fri, Aug 21, 2009 at 07:23:56PM +0200, Jan Kara wrote:
> > > generic_file_aio_write_nolock() is now used only by block devices and raw
> > > character device. Filesystems should use __generic_file_aio_write() in case
> > > generic_file_aio_write() doesn't suit them. So rename the function to
> > > device_aio_write().
> > 
> > This might turn into nitpicking, but it's really only useful for
> > writing to block devices.  Raw isn't a real character interface but
> > basically a convuled way to open a block device using O_DIRECT.
> > 
> > So I would recommend to renamed it to blkdev_aio_write, move it to
> > fs/block_dev.c and stop exporting it.
>   But what should 'raw' use then? It can be compiled as a module so it
> needs to call something that's exported.

Oh, ouch - I didn't think that we would allow it to be modular.  We need
to keep exporting it then.  Hopefully the name change keeps people from
using it in filesystems.

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