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| author | Amit Engel <amit.engel@dell.com> | 2020-08-19 11:31:11 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-09 20:04:23 +0300 |
| commit | 76abdb81893fd282c7844632e20275fffce2ec41 (patch) | |
| tree | 2c117a36fcc645c21e058d3be7f2820c52ae2740 /drivers/nvme | |
| parent | bb0d61385e21d231322c9f78815c2b4f967b1e84 (diff) | |
| download | linux-76abdb81893fd282c7844632e20275fffce2ec41.tar.xz | |
nvmet: Disable keep-alive timer when kato is cleared to 0h
[ Upstream commit 0d3b6a8d213a30387b5104b2fb25376d18636f23 ]
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>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/target/core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 776b7e9e23b9..f28df233dfcd 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -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); |