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| author | Wang ShaoBo <bobo.shaobowang@huawei.com> | 2022-11-24 09:58:17 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-11-24 06:42:22 -0700 |
| commit | 8692814b77ca4228a99da8a005de0acf40af6132 (patch) | |
| tree | 89f8393ae60c1d2e084d38af3735e9179f0a9a4d /drivers/block/drbd/drbd_main.c | |
| parent | 6e7b854e4c1b02dba00760dfa79d8dbf6cce561e (diff) | |
| download | linux-8692814b77ca4228a99da8a005de0acf40af6132.tar.bz2 | |
drbd: destroy workqueue when drbd device was freed
A submitter workqueue is dynamically allocated by init_submitter()
called by drbd_create_device(), we should destroy it when this
device is not needed or destroyed.
Fixes: 113fef9e20e0 ("drbd: prepare to queue write requests on a submit worker")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Link: https://lore.kernel.org/r/20221124015817.2729789-3-bobo.shaobowang@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/drbd/drbd_main.c')
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index b4ae508abf49..e02db1dccab1 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -2217,6 +2217,8 @@ void drbd_destroy_device(struct kref *kref) kref_put(&peer_device->connection->kref, drbd_destroy_connection); kfree(peer_device); } + if (device->submit.wq) + destroy_workqueue(device->submit.wq); kfree(device); kref_put(&resource->kref, drbd_destroy_resource); } @@ -2771,7 +2773,7 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig err = add_disk(disk); if (err) - goto out_idr_remove_from_resource; + goto out_destroy_workqueue; /* inherit the connection state */ device->state.conn = first_connection(resource)->cstate; @@ -2785,6 +2787,8 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig drbd_debugfs_device_add(device); return NO_ERROR; +out_destroy_workqueue: + destroy_workqueue(device->submit.wq); out_idr_remove_from_resource: for_each_connection(connection, resource) { peer_device = idr_remove(&connection->peer_devices, vnr); |