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deepin: Use BFQ as the elevator for SQ rotate devices #421

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deepin: Use BFQ as the elevator for SQ rotate devices #421

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2756b6d
deepin: Use BFQ as the elevator for SQ devices
opsiff Sep 16, 2024
a064ac7
deepin: only use BFQ as the elevator for single queue rotate devices
opsiff Sep 16, 2024
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7 changes: 6 additions & 1 deletion block/elevator.c
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Original file line number Diff line number Diff line change
Expand Up @@ -575,8 +575,13 @@ static struct elevator_type *elevator_get_default(struct request_queue *q)
if (q->nr_hw_queues != 1 &&
!blk_mq_is_shared_tags(q->tag_set->flags))
return NULL;

#if defined(CONFIG_IOSCHED_BFQ)
if (!blk_queue_nonrot(q))
return elevator_find_get(q, "bfq");
return elevator_find_get(q, "mq-deadline");
#else
return elevator_find_get(q, "mq-deadline");
#endif
}

/*
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