device nodes

According to config(5) manual, 'devices' are defined in sys/conf/files and 'options' are defined in sys/conf/options, but it seems to me both keywords would make the feature built into kernel, so I am not sure which one I should use in a kernel config file? Can anyone help explain the exact...

I'd like to create a character device that serves as a single file's filesystem. Thus, I created my own device implementing read, write and mmap methods. For the experiment, I wish my device to be mounted by regular high-level filesystem and represent a dynamic library available for loading by...

I'm getting the following errors on system boot: GEOM: ada0a: invalid disklabel. g_dev_taste: make_dev_p() failed (gp->name=ada0a, error=17) g_dev_taste: make_dev_p() failed (gp->name=ada0b, error=17) g_dev_taste: make_dev_p() failed (gp->name=ada0d, error=17) g_dev_taste: make_dev_p() failed...