The attached diff makes the spec_node table implementation private to sys/miscfs/specfs/spec_vnops.c. To retrieve a spec_node, two new lookup functions (by device or by mount) are implemented. Both return a referenced vnode, for an opened block device the opened vnode is returned so further diagnostic checks "vp == ... sd_bdevvp" will not fire. Otherwise any vnode matching the criteria gets returned.
Comments or objections? -- J. Hannken-Illjes - hann...@eis.cs.tu-bs.de - TU Braunschweig (Germany)
spec_dev.diff
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