Add bad support for O_TRUNC (4e16397e) · Commits · hpc / gekkofs

ifs/src/preload/adafs_functions.cpp

+13 −0

Original line number	Diff line number	Diff line
		@@ -37,6 +37,19 @@ int adafs_open(const std::string& path, mode_t mode, int flags) {
		#endif
		}

		if( flags & O_TRUNC ){
		//TODO truncation leave chunks on the server side
		if((flags & O_RDWR) \|\| (flags & O_WRONLY)) {
		long updated_size;
		auto ret = rpc_send_update_metadentry_size(path.c_str(), 0, 0, false, updated_size);
		if (ret != 0) {
		CTX->log()->error("{}() update_metadentry_size failed with ret {}", __func__, ret);
		errno = EIO;
		return -1; // ERR
		}
		}
		}

		// TODO the open flags should not be in the map just set the pos accordingly
		return CTX->file_map()->add(std::make_shared<OpenFile>(path, flags));
		}