linux-ext4 - Hole Punching V3

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Date:	Wed, 17 Nov 2010 20:46:14 -0500
From:	Josef Bacik <josef@...hat.com>
To:	david@...morbit.com, linux-kernel@...r.kernel.org,
	linux-btrfs@...r.kernel.org, linux-ext4@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, xfs@....sgi.com, cmm@...ibm.com,
	cluster-devel@...hat.com, joel.becker@...cle.com, jack@...e.cz
Subject: Hole Punching V3

This is version 3 of the hole punching series I've been posting.  Not much has
changed, the history is below

V2->V3
-FALLOC_FL_PUNCH_HOLE must also have FALLOC_FL_KEEP_SIZE in order to work
-formatting fixes

V1->V2
-Hole punching doesn't change file size
-Fixed the mode checks in ext4/btrfs/gfs2 so they do what they are supposed to

I've updated my local copies of the xfsprogs patches I have to test this to use
KEEP_SIZE and PUNCH_HOLE together, I'll post them after it looks like these
patches are good to go, including the manpage update.  The xfstest I wrote ran
fine both on xfs and btrfs (failing on btrfs obviously).  Thanks,

Josef
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