linux-kernel - Re: [RFC][PATCH 8/14] Union-mount lookup

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Message-ID: <Pine.LNX.4.61.0705162127080.9019@yvahk01.tjqt.qr>
Date:	Wed, 16 May 2007 21:28:07 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Bharata B Rao <bharata@...ux.vnet.ibm.com>
cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	Jan Blunck <j.blunck@...harburg.de>
Subject: Re: [RFC][PATCH  8/14] Union-mount lookup


On May 16 2007 10:38, Bharata B Rao wrote:
>> 
>> >+lookup_union:
>> >+	do {
>> >+		struct vfsmount *mnt = find_mnt(topmost);
>> >+		UM_DEBUG_DCACHE("name=\"%s\", inode=%p, device=%s\n",
>> >+				topmost->d_name.name, topmost->d_inode,
>> >+				mnt->mnt_devname);
>> >+		mntput(mnt);
>> >+	} while (0);
>> 
>> Why the extra do{}while? [elsewhere too]
>
>Not sure, may be to get a scope to define 'mnt' here. Jan ?

What I was implicitly suggesting that mnt could be moved into the
normal 'function scope'.


	Jan
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