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| author | Max Gurtovoy <maxg@mellanox.com> | 2018-02-28 13:12:39 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-03-26 08:53:43 -0600 |
| commit | 9bad0404ecd7594265cef04e176adeaa4ffbca4a (patch) | |
| tree | b4c86f3537a09bb6236bf26c2f24ea44de16d9ff /drivers/nvme | |
| parent | a3dd7d0022c347207ae931c753a6dc3e6e8fcbc1 (diff) | |
| download | blackbird-op-linux-9bad0404ecd7594265cef04e176adeaa4ffbca4a.tar.gz blackbird-op-linux-9bad0404ecd7594265cef04e176adeaa4ffbca4a.zip | |
nvme-rdma: Don't flush delete_wq by default during remove_one
The .remove_one function is called for any ib_device removal.
In case the removed device has no reference in our driver, there
is no need to flush the work queue.
Reviewed-by: Israel Rukshin <israelr@mellanox.com>
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/rdma.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index f5f460b8045c..250b2778bb97 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -2024,6 +2024,20 @@ static struct nvmf_transport_ops nvme_rdma_transport = { static void nvme_rdma_remove_one(struct ib_device *ib_device, void *client_data) { struct nvme_rdma_ctrl *ctrl; + struct nvme_rdma_device *ndev; + bool found = false; + + mutex_lock(&device_list_mutex); + list_for_each_entry(ndev, &device_list, entry) { + if (ndev->dev == ib_device) { + found = true; + break; + } + } + mutex_unlock(&device_list_mutex); + + if (!found) + return; /* Delete all controllers using this device */ mutex_lock(&nvme_rdma_ctrl_mutex); |
