CIFS: Respect epoch value from create lease context v2
that force a client to purge cache pages when a server requests it.
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 6eef8b6..eba0efd 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -903,7 +903,8 @@
}
static __u8
-parse_lease_state(struct TCP_Server_Info *server, struct smb2_create_rsp *rsp)
+parse_lease_state(struct TCP_Server_Info *server, struct smb2_create_rsp *rsp,
+ unsigned int *epoch)
{
char *data_offset;
struct create_context *cc;
@@ -920,7 +921,7 @@
next = le32_to_cpu(cc->Next);
continue;
}
- return server->ops->parse_lease_buf(cc);
+ return server->ops->parse_lease_buf(cc, epoch);
} while (next != 0);
return 0;
@@ -1102,7 +1103,7 @@
}
if (rsp->OplockLevel == SMB2_OPLOCK_LEVEL_LEASE)
- *oplock = parse_lease_state(server, rsp);
+ *oplock = parse_lease_state(server, rsp, &oparms->fid->epoch);
else
*oplock = rsp->OplockLevel;
creat_exit: