linux-kernel - Re: [PATCH 15/18] fs: introduce a per-cpu last

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Message-ID: <20101009171447.GF10421@parisc-linux.org>
Date:	Sat, 9 Oct 2010 11:14:47 -0600
From:	Matthew Wilcox <matthew@....cx>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Al Viro <viro@...IV.linux.org.uk>,
	Dave Chinner <david@...morbit.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 15/18] fs: introduce a per-cpu last_ino allocator

On Fri, Oct 08, 2010 at 04:06:12PM +0200, Eric Dumazet wrote:
> Maybe finally generate 64bit inum on 64bit arches...

Last I heard, Eric Sandeen took a look at this, and it'd break something
like 30-40% of the userspace shipped in RHEL 5 if run as 32-bit on a
64-bit kernel.  IOW, keep inode numbers to 32-bit for now.

-- 
Matthew Wilcox				Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."
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