netdev - Re: [PATCH] vfs: dont chain pipe/anon/socket on superblock s

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Message-ID: <20110726094204.GA12086@infradead.org>
Date:	Tue, 26 Jul 2011 05:42:04 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Tim Chen <tim.c.chen@...ux.intel.com>,
	Al Viro <viro@...IV.linux.org.uk>,
	David Miller <davem@...emloft.net>,
	Andi Kleen <andi@...stfloor.org>,
	Matthew Wilcox <matthew@....cx>,
	Anton Blanchard <anton@...ba.org>, npiggin@...nel.dk,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH] vfs: dont chain pipe/anon/socket on superblock s_inodes
 list

On Tue, Jul 26, 2011 at 11:36:34AM +0200, Eric Dumazet wrote:
> [PATCH v2] vfs: dont chain pipe/anon/socket on superblock s_inodes list
> 
> Workloads using pipes and sockets hit inode_sb_list_lock contention.
> 
> superblock s_inodes list is needed for quota, dirty, pagecache and
> fsnotify management. pipe/anon/socket fs are clearly not candidates for
> these.
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Looks good to me,

Reviewed-by: Christoph Hellwig <hch@....de>

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