[PATCH BUGFIX/IMPROVEMENT 3/4] block, bfq: let early-merged queues be weight-raised on split too

2017-09-21 Thread Paolo Valente
A just-created bfq_queue, say Q, may happen to be merged with another bfq_queue on the very first invocation of the function __bfq_insert_request. In such a case, even if Q would clearly deserve interactive weight raising (as it has just been created), the function bfq_add_request does not make it

[PATCH BUGFIX/IMPROVEMENT 3/4] block, bfq: let early-merged queues be weight-raised on split too

2017-09-21 Thread Paolo Valente
A just-created bfq_queue, say Q, may happen to be merged with another bfq_queue on the very first invocation of the function __bfq_insert_request. In such a case, even if Q would clearly deserve interactive weight raising (as it has just been created), the function bfq_add_request does not make it