On Sep 30 15:04, Keith Busch wrote:
> From: Dmitry Fomichev <dmitry.fomic...@wdc.com>
>
> Calculate the data shift value to report based on the set value of
> logical_block_size device property.
>
> In the process, use a local variable to calculate the LBA format
> index instead of the hardcoded value 0. This makes the code more
> readable and it will make it easier to add support for multiple LBA
> formats in the future.
>
> Signed-off-by: Dmitry Fomichev <dmitry.fomic...@wdc.com>
> Reviewed-by: Klaus Jensen <k.jen...@samsung.com>
> Signed-off-by: Keith Busch <kbu...@kernel.org>
> ---
> hw/block/nvme-ns.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/hw/block/nvme-ns.c b/hw/block/nvme-ns.c
> index 2ba0263dda..a85e5fdb42 100644
> --- a/hw/block/nvme-ns.c
> +++ b/hw/block/nvme-ns.c
> @@ -47,6 +47,8 @@ static void nvme_ns_init(NvmeNamespace *ns)
>
> static int nvme_ns_init_blk(NvmeCtrl *n, NvmeNamespace *ns, Error **errp)
> {
> + int lba_index;
> +
> if (!blkconf_blocksizes(&ns->blkconf, errp)) {
> return -1;
> }
> @@ -67,6 +69,9 @@ static int nvme_ns_init_blk(NvmeCtrl *n, NvmeNamespace *ns,
> Error **errp)
> n->features.vwc = 0x1;
> }
>
> + lba_index = NVME_ID_NS_FLBAS_INDEX(ns->id_ns.flbas);
> + ns->id_ns.lbaf[lba_index].ds = 31 -
> clz32(ns->blkconf.logical_block_size);
> +
> return 0;
> }
> I think that back when I reviewed this, it was before the multi-namespace patch. I believe this setup should move to the nvme_ns_init() function instead.
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