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blk-mq: have blk_mq_dispatch_rq_list() return if we queued IO or not 

Currently we're almost there, but if we dispatch nothing, then we
still return success.

Signed-off-by: Jens Axboe <axboe@fb.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
This commit is contained in:
Jens Axboe 2017-02-17 11:35:35 -07:00
parent b410aff2bd
commit 2aa0f21d54
1 changed files with 1 additions and 1 deletions
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2
block/blk-mq.c
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@ -1005,7 +1005,7 @@ bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *hctx, struct list_head *list)
blk_mq_run_hw_queue(hctx, true);
}
return ret != BLK_MQ_RQ_QUEUE_BUSY;
return queued != 0;
}
static void __blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx)