From 9700382c3c9ff3e673e587084d76eedb3ba88668 Mon Sep 17 00:00:00 2001
From: "david m. richter" <richterd@citi.umich.edu>
Date: Tue, 31 Jul 2007 00:39:12 -0700
Subject: [PATCH] VFS: fix a race in lease-breaking during truncate

It is possible that another process could acquire a new file lease right
after break_lease() is called during a truncate, but before lease-granting
is disabled by the subsequent get_write_access().  Merely switching the
order of the break_lease() and get_write_access() calls prevents this race.

Signed-off-by: David M. Richter <richterd@citi.umich.edu>
Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
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