From: Amit Engel Date: Wed, 19 Aug 2020 08:31:11 +0000 (+0300) Subject: nvmet: Disable keep-alive timer when kato is cleared to 0h X-Git-Tag: Ubuntu-5.13.0-19.19~5200^2~1 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=0d3b6a8d213a30387b5104b2fb25376d18636f23;p=mirror_ubuntu-jammy-kernel.git nvmet: Disable keep-alive timer when kato is cleared to 0h Based on nvme spec, when keep alive timeout is set to zero the keep-alive timer should be disabled. Signed-off-by: Amit Engel Signed-off-by: Sagi Grimberg Signed-off-by: Jens Axboe --- diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index b92f45f5cd5b..c052c922853a 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -397,6 +397,9 @@ 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); @@ -406,6 +409,9 @@ 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);