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-rw-r--r--drivers/nvme/target/fc.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index 9b39a6cb1935..9f80f98d81d2 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -87,6 +87,7 @@ struct nvmet_fc_fcp_iod {
struct nvmet_req req;
struct work_struct work;
struct work_struct done_work;
+ struct work_struct defer_work;
struct nvmet_fc_tgtport *tgtport;
struct nvmet_fc_tgt_queue *queue;
@@ -224,6 +225,7 @@ static DEFINE_IDA(nvmet_fc_tgtport_cnt);
static void nvmet_fc_handle_ls_rqst_work(struct work_struct *work);
static void nvmet_fc_handle_fcp_rqst_work(struct work_struct *work);
static void nvmet_fc_fcp_rqst_op_done_work(struct work_struct *work);
+static void nvmet_fc_fcp_rqst_op_defer_work(struct work_struct *work);
static void nvmet_fc_tgt_a_put(struct nvmet_fc_tgt_assoc *assoc);
static int nvmet_fc_tgt_a_get(struct nvmet_fc_tgt_assoc *assoc);
static void nvmet_fc_tgt_q_put(struct nvmet_fc_tgt_queue *queue);
@@ -429,6 +431,7 @@ nvmet_fc_prep_fcp_iodlist(struct nvmet_fc_tgtport *tgtport,
for (i = 0; i < queue->sqsize; fod++, i++) {
INIT_WORK(&fod->work, nvmet_fc_handle_fcp_rqst_work);
INIT_WORK(&fod->done_work, nvmet_fc_fcp_rqst_op_done_work);
+ INIT_WORK(&fod->defer_work, nvmet_fc_fcp_rqst_op_defer_work);
fod->tgtport = tgtport;
fod->queue = queue;
fod->active = false;
@@ -512,6 +515,17 @@ nvmet_fc_queue_fcp_req(struct nvmet_fc_tgtport *tgtport,
}
static void
+nvmet_fc_fcp_rqst_op_defer_work(struct work_struct *work)
+{
+ struct nvmet_fc_fcp_iod *fod =
+ container_of(work, struct nvmet_fc_fcp_iod, defer_work);
+
+ /* Submit deferred IO for processing */
+ nvmet_fc_queue_fcp_req(fod->tgtport, fod->queue, fod->fcpreq);
+
+}
+
+static void
nvmet_fc_free_fcp_iod(struct nvmet_fc_tgt_queue *queue,
struct nvmet_fc_fcp_iod *fod)
{
@@ -568,13 +582,12 @@ nvmet_fc_free_fcp_iod(struct nvmet_fc_tgt_queue *queue,
/* inform LLDD IO is now being processed */
tgtport->ops->defer_rcv(&tgtport->fc_target_port, fcpreq);
- /* Submit deferred IO for processing */
- nvmet_fc_queue_fcp_req(tgtport, queue, fcpreq);
-
/*
* Leave the queue lookup get reference taken when
* fod was originally allocated.
*/
+
+ queue_work(queue->work_q, &fod->defer_work);
}
static int
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