CIFS: Reconnect durable handles for SMB2
On reconnects, we need to reopen file and then obtain all byte-range
locks held by the client. SMB2 protocol provides feature to make
this process atomic by reconnecting to the same file handle
with all it's byte-range locks. This patch adds this capability
for SMB2 shares.
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steven French <steven@steven-GA-970A-DS3.(none)>
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 1bc7d7e..f259e6c 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -227,6 +227,7 @@
oparms.disposition = FILE_OPEN;
oparms.create_options = 0;
oparms.fid = &fid;
+ oparms.reconnect = false;
rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL);
if (rc) {
@@ -460,6 +461,7 @@
oparms.disposition = FILE_OPEN;
oparms.create_options = 0;
oparms.fid = fid;
+ oparms.reconnect = false;
rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL);
kfree(utf16_path);
@@ -546,6 +548,7 @@
oparms.disposition = FILE_OPEN;
oparms.create_options = 0;
oparms.fid = &fid;
+ oparms.reconnect = false;
rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL);
if (rc)