linux-kernel - Re: [GIT PULL] Btrfs

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Message-ID: <20131115122131.3802.25439@localhost.localdomain>
Date:	Fri, 15 Nov 2013 07:21:31 -0500
From:	Chris Mason <chris.mason@...ionio.com>
To:	Heiko Carstens <heiko.carstens@...ibm.com>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	<linux-btrfs@...r.kernel.org>, lkml <linux-kernel@...r.kernel.org>,
	Dulshani Gunawardhana <dulshani.gunawardhana89@...il.com>,
	Gleb Natapov <gleb@...hat.com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Mark Brown <broonie@...nel.org>
Subject: Re: [GIT PULL] Btrfs

Quoting Heiko Carstens (2013-11-15 06:32:16)
> On Thu, Nov 14, 2013 at 12:19:52PM -0500, Chris Mason wrote:
> > Hi Linus,
> > 
> > Please pull my for-linus branch:
> > 
> > git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git for-linus
> > 
> > This is our usual merge window set of bug fixes, performance
> > improvements and cleanups.  Miao Xie has some really nice optimizations
> > for writeback.
> > 
> > Josef also expanded our sanity checks quite a bit; these make up a big
> > chunk of the new lines.
> 
> Hmm..  b19e68439375  "btrfs: Remove redundant local zero structure" seems to
> use the empty_zero_page incorrectly and causes this compile warning on s390:
> 
>   CC      fs/btrfs/ioctl.o
> fs/btrfs/ioctl.c: In function 'btrfs_is_empty_uuid':
> fs/btrfs/ioctl.c:372:2: warning: passing argument 2 of 'memcmp' makes pointer from
>                         integer without a cast [enabled by default]
>   return !memcmp(uuid, empty_zero_page, BTRFS_UUID_SIZE);
>   ^
> 
> In fact there seem to be two more incorrect usages in the kernel. The patch
> below is not really tested.

Thanks Heiko,

I'll make a new pull with the btrfs part of this.

-chris
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