blob: fb2e0c83ebb9321bcbc9294edf5b3fe1b99ac01a [file] [log] [blame]
From foo@baz Wed Aug 22 09:42:09 CEST 2018
From: Max Gurtuvoy <maxg@mellanox.com>
Date: Tue, 19 Jun 2018 15:45:33 +0300
Subject: nvmet: reset keep alive timer in controller enable
From: Max Gurtuvoy <maxg@mellanox.com>
[ Upstream commit d68a90e148f5a82aa67654c5012071e31c0e4baa ]
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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/nvme/target/core.c | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -578,6 +578,14 @@ static void nvmet_start_ctrl(struct nvme
}
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)