mirror of
https://github.com/torvalds/linux
synced 2024-09-06 01:40:28 +00:00
null_blk: set use_per_node_hctx param to false
The defaults for the module is to instantiate itself with blk-mq and a submit queue for each CPU node in the system. To save resources, initialize instead with a single submit queue. Signed-off-by: Matias Bjorling <m@bjorling.me> Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
parent
89ed05eea0
commit
200052440d
|
@ -65,7 +65,8 @@ hw_queue_depth=[0..qdepth]: Default: 64
|
|||
|
||||
III: Multi-queue specific parameters
|
||||
|
||||
use_per_node_hctx=[0/1]: Default: 1
|
||||
If 1, the multi-queue block layer is instantiated with a hardware dispatch
|
||||
queue for each CPU node in the system. If 0, it is instantiated with the
|
||||
number of queues defined in the submit_queues parameter.
|
||||
use_per_node_hctx=[0/1]: Default: 0
|
||||
0: The number of submit queues are set to the value of the submit_queues
|
||||
parameter.
|
||||
1: The multi-queue block layer is instantiated with a hardware dispatch
|
||||
queue for each CPU node in the system.
|
||||
|
|
|
@ -101,9 +101,9 @@ static int hw_queue_depth = 64;
|
|||
module_param(hw_queue_depth, int, S_IRUGO);
|
||||
MODULE_PARM_DESC(hw_queue_depth, "Queue depth for each hardware queue. Default: 64");
|
||||
|
||||
static bool use_per_node_hctx = true;
|
||||
static bool use_per_node_hctx = false;
|
||||
module_param(use_per_node_hctx, bool, S_IRUGO);
|
||||
MODULE_PARM_DESC(use_per_node_hctx, "Use per-node allocation for hardware context queues. Default: true");
|
||||
MODULE_PARM_DESC(use_per_node_hctx, "Use per-node allocation for hardware context queues. Default: false");
|
||||
|
||||
static void put_tag(struct nullb_queue *nq, unsigned int tag)
|
||||
{
|
||||
|
|
Loading…
Reference in a new issue