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RFC: BUFQ_REVOKE()



Dear folks,

i'd like to add a new BUFQ primitive to revoke an already queued buffer 
from a list. I'd like it to return the buf pointer if found and NULL if not 
found; so not finding the buffer on the list is not considered a panic or 
so.

Among its application is to be able to queue buffers on a queue and be able 
to move a selected buffer (not nessisary the BUFQ_GET() one!) between 
queues.

Thoughts?

With regards,
Reinoud

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