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nvmet: Disable keep-alive timer when kato is cleared to 0h

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[ Upstream commit 0d3b6a8d21 ]

Based on nvme spec, when keep alive timeout is set to zero
the keep-alive timer should be disabled.

Signed-off-by: Amit Engel <amit.engel@dell.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Amit Engel 2020-08-19 11:31:11 +03:00 committed by Greg Kroah-Hartman
parent bb0d61385e
commit 76abdb8189
1 changed files with 6 additions and 0 deletions
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6
drivers/nvme/target/core.c
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@ -307,6 +307,9 @@ static void nvmet_keep_alive_timer(struct work_struct *work)
static void nvmet_start_keep_alive_timer(struct nvmet_ctrl *ctrl)
{
if (unlikely(ctrl->kato == 0))
return;
pr_debug("ctrl %d start keep-alive timer for %d secs\n",
ctrl->cntlid, ctrl->kato);
@ -316,6 +319,9 @@ static void nvmet_start_keep_alive_timer(struct nvmet_ctrl *ctrl)
static void nvmet_stop_keep_alive_timer(struct nvmet_ctrl *ctrl)
{
if (unlikely(ctrl->kato == 0))
return;
pr_debug("ctrl %d stop keep-alive\n", ctrl->cntlid);
cancel_delayed_work_sync(&ctrl->ka_work);