Method pwritev

fs/aligned-file.cpp:181–184

            return actual_read;
        }
        virtual ssize_t pwritev(const struct iovec *iov, int iovcnt, off_t offset) override {
            IOVector iovec(iov, iovcnt);
            return this->pwritev_mutable(iovec.iovec(), iovec.iovcnt(), offset);
        }
        virtual ssize_t pwritev_mutable(struct iovec *iov, int iovcnt, off_t offset) override {
            return this->pwritev2_mutable(iov, iovcnt, offset, 0);
        }