+/* get next completed request (caller must hold fi->reqlists_lock) */
+static inline struct pending_request *__next_complete_req(struct file_info *fi)
+{
+ struct list_head *lh;
+ struct pending_request *req = NULL;
+
+ if (!list_empty(&fi->req_complete)) {
+ lh = fi->req_complete.next;
+ list_del(lh);
+ req = list_entry(lh, struct pending_request, list);
+ }
+ return req;
+}
+
+/* atomically get next completed request */
+static struct pending_request *next_complete_req(struct file_info *fi)
+{
+ unsigned long flags;
+ struct pending_request *req;
+
+ spin_lock_irqsave(&fi->reqlists_lock, flags);
+ req = __next_complete_req(fi);
+ spin_unlock_irqrestore(&fi->reqlists_lock, flags);
+ return req;
+}