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NVMe: Allow request merges

It is generally more efficient to submit larger IO.

Signed-off-by: Keith Busch <>
Reviewed-by: Johannes Thumshirn <>
Reviewed-by: Sagi Grimberg <>
Signed-off-by: Jens Axboe <>
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keithbusch authored and axboe committed Feb 11, 2016
1 parent 4f76d0e commit ef2d4615c59efb312e531a5e949970f37ca1c841
Showing with 0 additions and 1 deletion.
  1. +0 −1 drivers/nvme/host/core.c
@@ -1121,7 +1121,6 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
ns->queue = blk_mq_init_queue(ctrl->tagset);
if (IS_ERR(ns->queue))
goto out_free_ns;
queue_flag_set_unlocked(QUEUE_FLAG_NOMERGES, ns->queue);
queue_flag_set_unlocked(QUEUE_FLAG_NONROT, ns->queue);
ns->queue->queuedata = ns;
ns->ctrl = ctrl;

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