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Date:	Tue, 30 Sep 2014 10:53:47 -0400
From:	Valdis.Kletnieks@...edu
To:	Matthew Wilcox <willy@...ux.intel.com>
Cc:	Matthew Wilcox <matthew.r.wilcox@...el.com>,
	linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v11 00/21] Add support for NV-DIMMs to ext4

On Tue, 30 Sep 2014 10:48:54 -0400, Matthew Wilcox said:

> No, it doesn't try to do that.  Wouldn't you be better served with an
> LD_PRELOAD that forces O_DIRECT on?

Not when you don't want it on every file, and users are creating and
deleting files once in a while.  A chattr-like command is easier and
more scalable than rebuilding the LD_PRELOAD every time the list of
files gets changed....

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