From: Dan Rosenberg <dan.j.rosenberg@gmail.com>
Date: Sat, 15 May 2010 15:27:37 +0000 (-0400)
Subject: Btrfs: check for read permission on src file in the clone ioctl
X-Git-Tag: v2.6.34~3^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5dc6416414fb3ec6e2825fd4d20c8bf1d7fe0395;p=pandora-kernel.git

Btrfs: check for read permission on src file in the clone ioctl

The existing code would have allowed you to clone a file that was
only open for writing

Signed-off-by: Chris Mason <chris.mason@oracle.com>
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