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| author |   Matias Bjørling <m@bjorling.me> | 2013-12-21 00:11:01 +0100 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2013-12-21 09:30:34 -0700 |
| commit | fc1bc35443741e132dd0118e8dbac53f69a6f76e (patch) | |
| tree | ba0da257a26bc61ea8bef1f8f2b76828f3e539fd /drivers/md | |
| parent | null_blk: set use_per_node_hctx param to false (diff) | |
| download | linux-dev-fc1bc35443741e132dd0118e8dbac53f69a6f76e.tar.xz linux-dev-fc1bc35443741e132dd0118e8dbac53f69a6f76e.zip | |
null_blk: support submit_queues on use_per_node_hctx
In the case of both the submit_queues param and use_per_node_hctx param
are used. We limit the number af submit_queues to the number of online
nodes.
If the submit_queues is a multiple of nr_online_nodes, its trivial. Simply map
them to the nodes. For example: 8 submit queues are mapped as node0[0,1],
node1[2,3], ...
If uneven, we are left with an uneven number of submit_queues that must be
mapped. These are mapped toward the first node and onward. E.g. 5
submit queues mapped onto 4 nodes are mapped as node0[0,1], node1[2], ...
Signed-off-by: Matias Bjorling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md')
0 files changed, 0 insertions, 0 deletions