[PATCH V9 9/9] nvmet: call nvmet_bio_done() for zone append

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The function nvmet_bdev_execute_zone_append() does exactly same thing
for completion of the bio that is done in the nvmet_bio_done(),
completing the request & calling nvmet_bio_put()_to put non online bio.

Export the function nvmet_bio_done() and use that in the
nvmet_bdev_execute_zone_append() for the request completion and bio
processing. Set the bio->private after the call to submit_bio_wait() to
nvmet request. The call to nvmet_bio_done() also updates error log page
via call to blk_to_nvme_status() from nvmet_bio_done().

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>
---
 drivers/nvme/target/io-cmd-bdev.c |  2 +-
 drivers/nvme/target/nvmet.h       |  1 +
 drivers/nvme/target/zns.c         | 10 ++++------
 3 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c
index c23a719513b0..72a22351da2a 100644
--- a/drivers/nvme/target/io-cmd-bdev.c
+++ b/drivers/nvme/target/io-cmd-bdev.c
@@ -167,7 +167,7 @@ static u16 blk_to_nvme_status(struct nvmet_req *req, blk_status_t blk_sts)
 	return status;
 }
 
-static void nvmet_bio_done(struct bio *bio)
+void nvmet_bio_done(struct bio *bio)
 {
 	struct nvmet_req *req = bio->bi_private;
 
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h
index f4f9d622df0d..ab84ab75b952 100644
--- a/drivers/nvme/target/nvmet.h
+++ b/drivers/nvme/target/nvmet.h
@@ -535,6 +535,7 @@ void nvmet_ns_changed(struct nvmet_subsys *subsys, u32 nsid);
 void nvmet_bdev_ns_revalidate(struct nvmet_ns *ns);
 int nvmet_file_ns_revalidate(struct nvmet_ns *ns);
 void nvmet_ns_revalidate(struct nvmet_ns *ns);
+void nvmet_bio_done(struct bio *bio);
 
 static inline u32 nvmet_rw_data_len(struct nvmet_req *req)
 {
diff --git a/drivers/nvme/target/zns.c b/drivers/nvme/target/zns.c
index 149bc8ce7010..da4be0231428 100644
--- a/drivers/nvme/target/zns.c
+++ b/drivers/nvme/target/zns.c
@@ -283,7 +283,6 @@ void nvmet_bdev_execute_zone_append(struct nvmet_req *req)
 	struct request_queue *q = req->ns->bdev->bd_disk->queue;
 	unsigned int op = REQ_OP_ZONE_APPEND | REQ_SYNC | REQ_IDLE;
 	unsigned int max_sects = queue_max_zone_append_sectors(q);
-	u16 status = NVME_SC_SUCCESS;
 	unsigned int total_len = 0;
 	struct scatterlist *sg;
 	int ret = 0, sg_cnt;
@@ -306,7 +305,7 @@ void nvmet_bdev_execute_zone_append(struct nvmet_req *req)
 
 		ret = bio_add_hw_page(q, bio, p, l, o, max_sects, &same_page);
 		if (ret != sg->length) {
-			status = NVME_SC_INTERNAL;
+			bio->bi_status = BLK_STS_IOERR;
 			goto out_bio_put;
 		}
 		if (same_page)
@@ -316,15 +315,14 @@ void nvmet_bdev_execute_zone_append(struct nvmet_req *req)
 	}
 
 	if (total_len != nvmet_rw_data_len(req)) {
-		status = NVME_SC_INTERNAL | NVME_SC_DNR;
+		bio->bi_status = BLK_STS_IOERR;
 		goto out_bio_put;
 	}
 
 	ret = submit_bio_wait(bio);
 	req->cqe->result.u64 = nvmet_sect_to_lba(req->ns,
 						 bio->bi_iter.bi_sector);
-
 out_bio_put:
-	nvmet_req_bio_put(req, bio);
-	nvmet_req_complete(req, ret < 0 ? NVME_SC_INTERNAL : status);
+	bio->bi_private = req;
+	nvmet_bio_done(bio);
 }
-- 
2.22.1




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