diff options
Diffstat (limited to 'drivers/nvme/target/io-cmd-bdev.c')
| -rw-r--r-- | drivers/nvme/target/io-cmd-bdev.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c index 2dc1c1035626..c2d6cea0236b 100644 --- a/drivers/nvme/target/io-cmd-bdev.c +++ b/drivers/nvme/target/io-cmd-bdev.c @@ -12,11 +12,9 @@ void nvmet_bdev_set_limits(struct block_device *bdev, struct nvme_id_ns *id) { - const struct queue_limits *ql = &bdev_get_queue(bdev)->limits; - /* Number of logical blocks per physical block. */ - const u32 lpp = ql->physical_block_size / ql->logical_block_size; /* Logical blocks per physical block, 0's based. */ - const __le16 lpp0b = to0based(lpp); + const __le16 lpp0b = to0based(bdev_physical_block_size(bdev) / + bdev_logical_block_size(bdev)); /* * For NVMe 1.2 and later, bit 1 indicates that the fields NAWUN, @@ -42,11 +40,12 @@ void nvmet_bdev_set_limits(struct block_device *bdev, struct nvme_id_ns *id) /* NPWA = Namespace Preferred Write Alignment. 0's based */ id->npwa = id->npwg; /* NPDG = Namespace Preferred Deallocate Granularity. 0's based */ - id->npdg = to0based(ql->discard_granularity / ql->logical_block_size); + id->npdg = to0based(bdev_discard_granularity(bdev) / + bdev_logical_block_size(bdev)); /* NPDG = Namespace Preferred Deallocate Alignment */ id->npda = id->npdg; /* NOWS = Namespace Optimal Write Size */ - id->nows = to0based(ql->io_opt / ql->logical_block_size); + id->nows = to0based(bdev_io_opt(bdev) / bdev_logical_block_size(bdev)); } void nvmet_bdev_ns_disable(struct nvmet_ns *ns) @@ -334,6 +333,11 @@ static void nvmet_bdev_execute_flush(struct nvmet_req *req) { struct bio *bio = &req->b.inline_bio; + if (!bdev_write_cache(req->ns->bdev)) { + nvmet_req_complete(req, NVME_SC_SUCCESS); + return; + } + if (!nvmet_check_transfer_len(req, 0)) return; @@ -347,6 +351,9 @@ static void nvmet_bdev_execute_flush(struct nvmet_req *req) u16 nvmet_bdev_flush(struct nvmet_req *req) { + if (!bdev_write_cache(req->ns->bdev)) + return 0; + if (blkdev_issue_flush(req->ns->bdev)) return NVME_SC_INTERNAL | NVME_SC_DNR; return 0; |