[21/27] cifs: fix cifs stable patch cifs-fix-oplock-break-handling-try-2.patch

[Greg KH]

2.6.32-longterm review patch.  If anyone has any objections, please let me know.

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

From: Suresh Jayaraman <sjayaraman@xxxxxxxx>

The stable release 2.6.32.32 added the upstream commit
12fed00de963433128b5366a21a55808fab2f756. However, one of the hunks of
the original patch seems missing from the stable backport which can be
found here:
   http://permalink.gmane.org/gmane.linux.kernel.stable/5676

This hunk corresponds to the change in is_valid_oplock_break() at
fs/cifs/misc.c.

This patch backports the missing hunk and is against
linux-2.6.32.y stable kernel.


Cc: Steve French <sfrench@xxxxxxxxxx>
Signed-off-by: Pavel Shilovsky <piastry@xxxxxxxxxxx>
Signed-off-by: Suresh Jayaraman <sjayaraman@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 fs/cifs/misc.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -584,6 +584,9 @@ is_valid_oplock_break(struct smb_hdr *bu
 				pCifsInode->clientCanCacheAll = false;
 				if (pSMB->OplockLevel == 0)
 					pCifsInode->clientCanCacheRead = false;
+				else if (pSMB->OplockLevel)
+					pCifsInode->clientCanCacheRead = true;
+
 				rc = slow_work_enqueue(&netfile->oplock_break);
 				if (rc) {
 					cERROR(1, ("failed to enqueue oplock "


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