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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>
This commit is contained in:
Max Gurtovoy 2018-02-28 13:12:39 +02:00 committed by Jens Axboe
parent a3dd7d0022
commit 9bad0404ec
1 changed files with 14 additions and 0 deletions
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14
drivers/nvme/host/rdma.c
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@ -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);