do_sync_readv_writev 1119 fs/compat.c    		ret = do_sync_readv_writev(file, iov, nr_segs, tot_len,
do_sync_readv_writev  597 fs/read_write.c 		ret = do_sync_readv_writev(file, iov, nr_segs, tot_len,
do_sync_readv_writev   11 fs/read_write.h ssize_t do_sync_readv_writev(struct file *filp, const struct iovec *iov,