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nvmet: reset keep alive timer in controller enable

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Controllers that are not yet enabled should not really enforce keep alive
timeouts, but we still want to track a timeout and cleanup in case a host
died before it enabled the controller.  Hence, simply reset the keep
alive timer when the controller is enabled.

Suggested-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Max Gurtuvoy 2018-06-19 15:45:33 +03:00 committed by Christoph Hellwig
parent 5e77d61cbc
commit d68a90e148
1 changed files with 8 additions and 0 deletions
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8
drivers/nvme/target/core.c
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@ -686,6 +686,14 @@ static void nvmet_start_ctrl(struct nvmet_ctrl *ctrl)
}
ctrl->csts = NVME_CSTS_RDY;
/*
* Controllers that are not yet enabled should not really enforce the
* keep alive timeout, but we still want to track a timeout and cleanup
* in case a host died before it enabled the controller. Hence, simply
* reset the keep alive timer when the controller is enabled.
*/
mod_delayed_work(system_wq, &ctrl->ka_work, ctrl->kato * HZ);
}
static void nvmet_clear_ctrl(struct nvmet_ctrl *ctrl)