[v3,09/16] nvmet-fc: free queue and assoc directly

Message ID 20231218153105.12717-10-dwagner@suse.de
State New
Headers
Series enable nvmet-fc for blktests |

Commit Message

Daniel Wagner Dec. 18, 2023, 3:30 p.m. UTC
  Neither struct nvmet_fc_tgt_queue nor struct nvmet_fc_tgt_assoc are data
structure which are used in a RCU context. So there is no reason to
delay the free operation.

Signed-off-by: Daniel Wagner <dwagner@suse.de>
---
 drivers/nvme/target/fc.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
  

Comments

Hannes Reinecke Dec. 19, 2023, 7:59 a.m. UTC | #1
On 12/18/23 16:30, Daniel Wagner wrote:
> Neither struct nvmet_fc_tgt_queue nor struct nvmet_fc_tgt_assoc are data
> structure which are used in a RCU context. So there is no reason to
> delay the free operation.
> 
> Signed-off-by: Daniel Wagner <dwagner@suse.de>
> ---
>   drivers/nvme/target/fc.c | 6 ++----
>   1 file changed, 2 insertions(+), 4 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
  

Patch

diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index db992df13c73..0adf65154e27 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -145,7 +145,6 @@  struct nvmet_fc_tgt_queue {
 	struct list_head		avail_defer_list;
 	struct workqueue_struct		*work_q;
 	struct kref			ref;
-	struct rcu_head			rcu;
 	/* array of fcp_iods */
 	struct nvmet_fc_fcp_iod		fod[] __counted_by(sqsize);
 } __aligned(sizeof(unsigned long long));
@@ -170,7 +169,6 @@  struct nvmet_fc_tgt_assoc {
 	struct nvmet_fc_tgt_queue __rcu	*queues[NVMET_NR_QUEUES + 1];
 	struct kref			ref;
 	struct work_struct		del_work;
-	struct rcu_head			rcu;
 };
 
 
@@ -854,7 +852,7 @@  nvmet_fc_tgt_queue_free(struct kref *ref)
 
 	destroy_workqueue(queue->work_q);
 
-	kfree_rcu(queue, rcu);
+	kfree(queue);
 }
 
 static void
@@ -1187,8 +1185,8 @@  nvmet_fc_target_assoc_free(struct kref *ref)
 	dev_info(tgtport->dev,
 		"{%d:%d} Association freed\n",
 		tgtport->fc_target_port.port_num, assoc->a_id);
-	kfree_rcu(assoc, rcu);
 	nvmet_fc_tgtport_put(tgtport);
+	kfree(assoc);
 }
 
 static void