[refact][fuse] Refact set/unset fuse feature flag

Author: meilirensheng2020

src/client/fuse/fuse_op.cpp

@@ -48,19 +48,19 @@ void InitFuseConnInfo(struct fuse_conn_info* conn) {
   auto fuse_option = g_vfs->GetFuseOption();
   const auto& option = fuse_option.conn_info;
 
-  if (conn->capable & FUSE_CAP_SPLICE_MOVE && option.want_splice_move) {
-    conn->want |= FUSE_CAP_SPLICE_MOVE;
-    LOG(INFO) << "[enabled] FUSE_CAP_SPLICE_MOVE";
+  if (option.want_splice_move) {
+    LOG_IF(INFO, fuse_set_feature_flag(conn, FUSE_CAP_SPLICE_MOVE))
+        << "[enabled] FUSE_CAP_SPLICE_MOVE";
   }
-  if (conn->capable & FUSE_CAP_SPLICE_READ && option.want_splice_read) {
-    conn->want |= FUSE_CAP_SPLICE_READ;
-    LOG(INFO) << "[enabled] FUSE_CAP_SPLICE_READ";
+  if (option.want_splice_read) {
+    LOG_IF(INFO, fuse_set_feature_flag(conn, FUSE_CAP_SPLICE_READ))
+        << "[enabled] FUSE_CAP_SPLICE_READ";
   }
-  if (conn->capable & FUSE_CAP_SPLICE_WRITE && option.want_splice_write) {
-    conn->want |= FUSE_CAP_SPLICE_WRITE;
-    LOG(INFO) << "[enabled] FUSE_CAP_SPLICE_WRITE";
+  if (option.want_splice_write) {
+    LOG_IF(INFO, fuse_set_feature_flag(conn, FUSE_CAP_SPLICE_WRITE))
+        << "[enabled] FUSE_CAP_SPLICE_WRITE";
   }
-  if (conn->capable & FUSE_CAP_AUTO_INVAL_DATA &&
+  if (fuse_get_feature_flag(conn, FUSE_CAP_AUTO_INVAL_DATA) &&
       !option.want_auto_inval_data) {
     fuse_unset_feature_flag(conn, FUSE_CAP_AUTO_INVAL_DATA);
     LOG(INFO) << "[disabled] FUSE_CAP_AUTO_INVAL_DATA";