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authorChristoph Hellwig <hch@lst.de>2019-03-12 18:05:10 +0100
committerChristoph Hellwig <hch@lst.de>2019-04-05 08:07:56 +0200
commitcfe03c2ec46200dfefa5167e6a2bb50c0426c5f4 (patch)
tree92cac7d8c250bf1301e6a0e50a72746275d2e37a
parentnvme: avoid double dereference to convert le to cpu (diff)
downloadlinux-cfe03c2ec46200dfefa5167e6a2bb50c0426c5f4.tar.xz
linux-cfe03c2ec46200dfefa5167e6a2bb50c0426c5f4.zip
nvmet: avoid double errno conversions
Use errno_to_nvme_status to convert from a negative errno to a nvme status field instead of going through a blk_status_t. Also remove the pointless status variable in nvmet_bdev_execute_write_zeroes. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
-rw-r--r--drivers/nvme/target/io-cmd-bdev.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c
index a065dbfc43b1..3efc52f9c309 100644
--- a/drivers/nvme/target/io-cmd-bdev.c
+++ b/drivers/nvme/target/io-cmd-bdev.c
@@ -196,7 +196,7 @@ static u16 nvmet_bdev_discard_range(struct nvmet_req *req,
GFP_KERNEL, 0, bio);
if (ret && ret != -EOPNOTSUPP) {
req->error_slba = le64_to_cpu(range->slba);
- return blk_to_nvme_status(req, errno_to_blk_status(ret));
+ return errno_to_nvme_status(req, ret);
}
return NVME_SC_SUCCESS;
}
@@ -252,7 +252,6 @@ static void nvmet_bdev_execute_write_zeroes(struct nvmet_req *req)
{
struct nvme_write_zeroes_cmd *write_zeroes = &req->cmd->write_zeroes;
struct bio *bio = NULL;
- u16 status = NVME_SC_SUCCESS;
sector_t sector;
sector_t nr_sector;
int ret;
@@ -264,13 +263,12 @@ static void nvmet_bdev_execute_write_zeroes(struct nvmet_req *req)
ret = __blkdev_issue_zeroout(req->ns->bdev, sector, nr_sector,
GFP_KERNEL, &bio, 0);
- status = blk_to_nvme_status(req, errno_to_blk_status(ret));
if (bio) {
bio->bi_private = req;
bio->bi_end_io = nvmet_bio_done;
submit_bio(bio);
} else {
- nvmet_req_complete(req, status);
+ nvmet_req_complete(req, errno_to_nvme_status(req, ret));
}
}