diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c index 58e010bdda3e..5f2570f5dfa9 100644 --- a/drivers/nvme/target/fc.c +++ b/drivers/nvme/target/fc.c @@ -150,6 +150,7 @@ struct nvmet_fc_tgt_assoc { struct list_head a_list; struct nvmet_fc_tgt_queue *queues[NVMET_NR_QUEUES + 1]; struct kref ref; + struct work_struct del_work; }; @@ -232,6 +233,7 @@ static void nvmet_fc_tgtport_put(struct nvmet_fc_tgtport *tgtport); static int nvmet_fc_tgtport_get(struct nvmet_fc_tgtport *tgtport); static void nvmet_fc_handle_fcp_rqst(struct nvmet_fc_tgtport *tgtport, struct nvmet_fc_fcp_iod *fod); +static void nvmet_fc_delete_target_assoc(struct nvmet_fc_tgt_assoc *assoc); /* *********************** FC-NVME DMA Handling **************************** */ @@ -802,6 +804,16 @@ nvmet_fc_find_target_queue(struct nvmet_fc_tgtport *tgtport, return NULL; } +static void +nvmet_fc_delete_assoc(struct work_struct *work) +{ + struct nvmet_fc_tgt_assoc *assoc = + container_of(work, struct nvmet_fc_tgt_assoc, del_work); + + nvmet_fc_delete_target_assoc(assoc); + nvmet_fc_tgt_a_put(assoc); +} + static struct nvmet_fc_tgt_assoc * nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport) { @@ -826,6 +838,7 @@ nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport) assoc->a_id = idx; INIT_LIST_HEAD(&assoc->a_list); kref_init(&assoc->ref); + INIT_WORK(&assoc->del_work, nvmet_fc_delete_assoc); while (needrandom) { get_random_bytes(&ran, sizeof(ran) - BYTES_FOR_QID); @@ -1118,8 +1131,7 @@ nvmet_fc_delete_ctrl(struct nvmet_ctrl *ctrl) nvmet_fc_tgtport_put(tgtport); if (found_ctrl) { - nvmet_fc_delete_target_assoc(assoc); - nvmet_fc_tgt_a_put(assoc); + schedule_work(&assoc->del_work); return; }