| Date | Mon, 6 May 2013 12:00:06 -0400 | From | Vivek Goyal <> | Subject | Re: [PATCH 29.5/32] blk-throttle: add throtl_qnode for dispatch fairness |
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On Fri, May 03, 2013 at 05:50:44PM -0700, Tejun Heo wrote:
[..] > + * qnode_on_self is used when bios are directly queued to this > + * throtl_grp so that local bios compete fairly with bios > + * dispatched from children. qnode_on_parent is used when bios are > + * dispatched from this throtl_grp into its parent and will compete > + * with the sibling qnode_on_parents and the parent's > + * qnode_on_self. > + */ > + struct throtl_qnode qnode_on_self; > + struct throtl_qnode qnode_on_parent;
Do we need one throtl_qnode for each IO dir (read/write) so that we can queue up the right direction throtl_node in right sq->queued[rw].
Thanks Vivek
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