linux-ext4 - hole punching in ext4

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Message-ID: <CAKSyJXdbwtOQi==rPZ3nS72bLb9wd0rrmt8RTNPJMUCph-B1Ow@mail.gmail.com>
Date:	Tue, 22 Jan 2013 09:34:59 -0500
From:	"Bradley C. Kuszmaul" <kuszmaul@...il.com>
To:	linux-ext4 <linux-ext4@...r.kernel.org>
Subject: hole punching in ext4

Hi,

Do any of the ext file systems support hole punching?  If so, do the
redhat distributions support it?  Can someone provide an example of a
program that punches a hole in a file in an ext4 file system?

-Bradley
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