[18/28] cifs: request oplock when doing open on lookup

[Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>]

3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jeff Layton <jlayton@xxxxxxxxxx>

commit 8b0192a5f478da1c1ae906bf3ffff53f26204f56 upstream.

Currently, it's always set to 0 (no oplock requested).

Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
Signed-off-by: Steve French <smfrench@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 fs/cifs/dir.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -492,7 +492,7 @@ cifs_lookup(struct inode *parent_dir_ino
 {
 	int xid;
 	int rc = 0; /* to get around spurious gcc warning, set to zero here */
-	__u32 oplock = 0;
+	__u32 oplock = enable_oplocks ? REQ_OPLOCK : 0;
 	__u16 fileHandle = 0;
 	bool posix_open = false;
 	struct cifs_sb_info *cifs_sb;


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