CIFS: Move add/set_credits and get_credits_field to ops structure

Acked-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index ddc8ca6c3090..d9d615fbed3f 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -100,11 +100,39 @@ cifs_find_mid(struct TCP_Server_Info *server, char *buffer)
         return NULL;
 }
 
+static void
+cifs_add_credits(struct TCP_Server_Info *server, const unsigned int add)
+{
+        spin_lock(&server->req_lock);
+        server->credits += add;
+        server->in_flight--;
+        spin_unlock(&server->req_lock);
+        wake_up(&server->request_q);
+}
+
+static void
+cifs_set_credits(struct TCP_Server_Info *server, const int val)
+{
+        spin_lock(&server->req_lock);
+        server->credits = val;
+        server->oplocks = val > 1 ? enable_oplocks : false;
+        spin_unlock(&server->req_lock);
+}
+
+static int *
+cifs_get_credits_field(struct TCP_Server_Info *server)
+{
+        return &server->credits;
+}
+
 struct smb_version_operations smb1_operations = {
         .send_cancel = send_nt_cancel,
         .compare_fids = cifs_compare_fids,
         .setup_request = cifs_setup_request,
         .check_receive = cifs_check_receive,
+        .add_credits = cifs_add_credits,
+        .set_credits = cifs_set_credits,
+        .get_credits_field = cifs_get_credits_field,
         .read_data_offset = cifs_read_data_offset,
         .read_data_length = cifs_read_data_length,
         .map_error = map_smb_to_linux_error,