cifs: pass flags down into wait_for_free_credits()

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>

diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index ed104c0..9fcc4a8 100644 (file)
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -486,15 +486,24 @@ smb_send(struct TCP_Server_Info *server, struct smb_hdr *smb_buffer,
 }
 
 static int
-wait_for_free_credits(struct TCP_Server_Info *server, const int timeout,
-                     int *credits, unsigned int *instance)
+wait_for_free_credits(struct TCP_Server_Info *server, const int flags,
+                     unsigned int *instance)
 {
        int rc;
+       int *credits;
+       int optype;
+
+       optype = flags & CIFS_OP_MASK;
 
        *instance = 0;
 
+       credits = server->ops->get_credits_field(server, optype);
+       /* Since an echo is already inflight, no need to wait to send another */
+       if (*credits <= 0 && optype == CIFS_ECHO_OP)
+               return -EAGAIN;
+
        spin_lock(&server->req_lock);
-       if (timeout == CIFS_ASYNC_OP) {
+       if ((flags & CIFS_TIMEOUT_MASK) == CIFS_ASYNC_OP) {
                /* oplock breaks must not be held up */
                server->in_flight++;
                *credits -= 1;
@@ -525,7 +534,7 @@ wait_for_free_credits(struct TCP_Server_Info *server, const int timeout,
                         */
 
                        /* update # of requests on the wire to server */
-                       if (timeout != CIFS_BLOCKING_OP) {
+                       if ((flags & CIFS_TIMEOUT_MASK) != CIFS_BLOCKING_OP) {
                                *credits -= 1;
                                server->in_flight++;
                                *instance = server->reconnect_instance;
@@ -541,18 +550,7 @@ static int
 wait_for_free_request(struct TCP_Server_Info *server, const int flags,
                      unsigned int *instance)
 {
-       int *val;
-       int timeout, optype;
-
-       timeout = flags & CIFS_TIMEOUT_MASK;
-       optype = flags & CIFS_OP_MASK;
-
-       val = server->ops->get_credits_field(server, optype);
-       /* Since an echo is already inflight, no need to wait to send another */
-       if (*val <= 0 && optype == CIFS_ECHO_OP)
-               return -EAGAIN;
-
-       return wait_for_free_credits(server, timeout, val, instance);
+       return wait_for_free_credits(server, flags, instance);
 }
 
 int