nvme: update comment to make the code easier to read

After commit a686ed75c0fb ("nvme: introduce a helper function for
controller deletion), nvme_delete_ctrl_sync no longer use flush_work.
Update comment, accordingly.

Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index d57a84f..b92fab4 100644 (file)
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -179,8 +179,8 @@ static int nvme_delete_ctrl_sync(struct nvme_ctrl *ctrl)
        int ret = 0;
 
        /*
-        * Keep a reference until the work is flushed since ->delete_ctrl
-        * can free the controller.
+        * Keep a reference until nvme_do_delete_ctrl() complete,
+        * since ->delete_ctrl can free the controller.
         */
        nvme_get_ctrl(ctrl);
        if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_DELETING))