[PATCH] MM: Remove [PATCH] invalidate_inode_pages2_range() debug

[Trond Myklebust <Trond.Myklebust@netapp.com>]

From: Trond Myklebust <Trond.Myklebust@netapp.com>

NFS can handle the case where invalidate_inode_pages2_range() fails, so the
premise behind commit 8258d4a574d3a8c01f0ef68aa26b969398a0e140 is now gone.

Remove the WARN_ON_ONCE() which is causing users grief as we can see from
http://bugzilla.kernel.org/show_bug.cgi?id=7826

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---

 mm/truncate.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/mm/truncate.c b/mm/truncate.c
index 6c79ca4..54ae710 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -422,7 +422,6 @@ int invalidate_inode_pages2_range(struct
 		pagevec_release(&pvec);
 		cond_resched();
 	}
-	WARN_ON_ONCE(ret);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(invalidate_inode_pages2_range);
-
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