linux-kernel - Re: [PATCH] logfs: fix build warning

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Message-ID: <20150929124747.GA6098@sudip-pc>
Date:	Tue, 29 Sep 2015 18:18:07 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Joern Engel <joern@...fs.org>,
	Prasad Joshi <prasadjoshi.linux@...il.com>
Cc:	linux-kernel@...r.kernel.org, logfs@...fs.org,
	akpm@...ux-foundation.org
Subject: Re: [PATCH] logfs: fix build warning

On Tue, Sep 15, 2015 at 01:33:15PM +0530, Sudip Mukherjee wrote:
> On Thu, Sep 10, 2015 at 03:41:04PM +0530, Sudip Mukherjee wrote:
> > While building we were getting build warning of:
> > 
> > fs/logfs/dev_bdev.c: In function '__bdev_writeseg':
> > include/linux/kernel.h:601:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
> >   (void) (&_min1 == &_min2);  \
> > fs/logfs/dev_bdev.c:84:14: note: in  expansion of macro 'min'
> >   max_pages = min(nr_pages, BIO_MAX_PAGES);
> > 
> > fs/logfs/dev_bdev.c: In function 'do_erase':
> > include/linux/kernel.h:601:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
> >  (void) (&_min1 == &_min2);  \
> > fs/logfs/dev_bdev.c:174:14: note: in expansion of macro 'min'
> >  max_pages = min(nr_pages, BIO_MAX_PAGES);
> > 
> > Lets use min_t and mention the type.
> > 
> > Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
> > ---
> Hi,
> I know its too early to ping. But I can still see the build warnings
> with i386 allmodconfig. Build is at:
> https://travis-ci.org/sudipm-mukherjee/parport/jobs/80365417
Another gentle ping. Build warning still shows with next-20150929.

regards
sudip
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