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List: linux-kernel
Subject: Re: [PATCH v2] Do a proper locking for mmap and block size change
From: Christoph Hellwig <hch () infradead ! org>
Date: 2012-11-30 23:09:00
Message-ID: 20121130230900.GA12674 () infradead ! org
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On Sat, Dec 01, 2012 at 09:40:41AM +1100, Dave Chinner wrote:
> So it was based on this interface?
Based on that. I had dropped the inode operation as it's not really
a generic operation but a callback for either the buffered I/O code
or direct I/O and should be treated as such. I've also split the
single multiplexer function into individual ones, but the underlying
data structure and fundamental operations are the same.
> (I went looking for this code on google a couple of days ago so I
> could point at it and say "we should be using an iomap structure,
> not buffer heads", but it looks like I never posted it to fsdevel or
> the xfs lists...)
Your version defintively was up on your kernel.org XFS tree, that's what
I started from.
I'll have a long plane right tonight, let's see if I can get the direct
I/O version updated.
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