From 03eca704cfa426aebf6edcc0208536835c109a9f Mon Sep 17 00:00:00 2001
From: Pavel Shilovsky <piastry@etersoft.ru>
Date: Thu, 6 Dec 2012 21:24:33 +0400
Subject: CIFS: Fix possible data coherency problem after oplock break to None

by using cifs_invalidate_mapping rather than invalidate_remote_inode
in cifs_oplock_break - this invalidates all inode pages and resets
fscache cookies.

Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <smfrench@gmail.com>
---
 fs/cifs/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'fs/cifs')

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index ebebbb2bc1fb..1b322d041f1e 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -3554,7 +3554,7 @@ void cifs_oplock_break(struct work_struct *work)
 		if (cinode->clientCanCacheRead == 0) {
 			rc = filemap_fdatawait(inode->i_mapping);
 			mapping_set_error(inode->i_mapping, rc);
-			invalidate_remote_inode(inode);
+			cifs_invalidate_mapping(inode);
 		}
 		cFYI(1, "Oplock flush inode %p rc %d", inode, rc);
 	}
-- 
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