Re: [PATCH 11/16] hw/block/nvme: be consistent about zeros vs zeroes

[Maxim Levitsky]

On Mon, 2020-07-20 at 13:37 +0200, Klaus Jensen wrote:
> From: Klaus Jensen <k.jensen@samsung.com>
> 
> The NVM Express specification generally uses 'zeroes' and not 'zeros',
> so let us align with it.
> 
> Cc: Fam Zheng <fam@euphon.net>
> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
> ---
>  block/nvme.c         | 4 ++--
>  hw/block/nvme.c      | 8 ++++----
>  include/block/nvme.h | 4 ++--
>  3 files changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/block/nvme.c b/block/nvme.c
> index c1c4c07ac6cc..05485fdd1189 100644
> --- a/block/nvme.c
> +++ b/block/nvme.c
> @@ -537,7 +537,7 @@ static void nvme_identify(BlockDriverState *bs, int 
> namespace, Error **errp)
>                            s->page_size / sizeof(uint64_t) * s->page_size);
>  
>      oncs = le16_to_cpu(idctrl->oncs);
> -    s->supports_write_zeroes = !!(oncs & NVME_ONCS_WRITE_ZEROS);
> +    s->supports_write_zeroes = !!(oncs & NVME_ONCS_WRITE_ZEROES);
>      s->supports_discard = !!(oncs & NVME_ONCS_DSM);
>  
>      memset(resp, 0, 4096);
> @@ -1201,7 +1201,7 @@ static coroutine_fn int 
> nvme_co_pwrite_zeroes(BlockDriverState *bs,
>      }
>  
>      NvmeCmd cmd = {
> -        .opcode = NVME_CMD_WRITE_ZEROS,
> +        .opcode = NVME_CMD_WRITE_ZEROES,
>          .nsid = cpu_to_le32(s->nsid),
>          .cdw10 = cpu_to_le32((offset >> s->blkshift) & 0xFFFFFFFF),
>          .cdw11 = cpu_to_le32(((offset >> s->blkshift) >> 32) & 0xFFFFFFFF),
> diff --git a/hw/block/nvme.c b/hw/block/nvme.c
> index 10fe53873ae9..e2932239c661 100644
> --- a/hw/block/nvme.c
> +++ b/hw/block/nvme.c
> @@ -614,7 +614,7 @@ static uint16_t nvme_flush(NvmeCtrl *n, NvmeNamespace 
> *ns, NvmeCmd *cmd,
>      return NVME_NO_COMPLETE;
>  }
>  
> -static uint16_t nvme_write_zeros(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd 
> *cmd,
> +static uint16_t nvme_write_zeroes(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd 
> *cmd,
>      NvmeRequest *req)
>  {
>      NvmeRwCmd *rw = (NvmeRwCmd *)cmd;
> @@ -714,8 +714,8 @@ static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeCmd *cmd, 
> NvmeRequest *req)
>      switch (cmd->opcode) {
>      case NVME_CMD_FLUSH:
>          return nvme_flush(n, ns, cmd, req);
> -    case NVME_CMD_WRITE_ZEROS:
> -        return nvme_write_zeros(n, ns, cmd, req);
> +    case NVME_CMD_WRITE_ZEROES:
> +        return nvme_write_zeroes(n, ns, cmd, req);
>      case NVME_CMD_WRITE:
>      case NVME_CMD_READ:
>          return nvme_rw(n, ns, cmd, req);
> @@ -2328,7 +2328,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice 
> *pci_dev)
>      id->sqes = (0x6 << 4) | 0x6;
>      id->cqes = (0x4 << 4) | 0x4;
>      id->nn = cpu_to_le32(n->num_namespaces);
> -    id->oncs = cpu_to_le16(NVME_ONCS_WRITE_ZEROS | NVME_ONCS_TIMESTAMP |
> +    id->oncs = cpu_to_le16(NVME_ONCS_WRITE_ZEROES | NVME_ONCS_TIMESTAMP |
>                             NVME_ONCS_FEATURES);
>  
>      subnqn = g_strdup_printf("nqn.2019-08.org.qemu:%s", n->params.serial);
> diff --git a/include/block/nvme.h b/include/block/nvme.h
> index 370df7fc0570..65e68a82c897 100644
> --- a/include/block/nvme.h
> +++ b/include/block/nvme.h
> @@ -460,7 +460,7 @@ enum NvmeIoCommands {
>      NVME_CMD_READ               = 0x02,
>      NVME_CMD_WRITE_UNCOR        = 0x04,
>      NVME_CMD_COMPARE            = 0x05,
> -    NVME_CMD_WRITE_ZEROS        = 0x08,
> +    NVME_CMD_WRITE_ZEROES       = 0x08,
>      NVME_CMD_DSM                = 0x09,
>  };
>  
> @@ -838,7 +838,7 @@ enum NvmeIdCtrlOncs {
>      NVME_ONCS_COMPARE       = 1 << 0,
>      NVME_ONCS_WRITE_UNCORR  = 1 << 1,
>      NVME_ONCS_DSM           = 1 << 2,
> -    NVME_ONCS_WRITE_ZEROS   = 1 << 3,
> +    NVME_ONCS_WRITE_ZEROES  = 1 << 3,
>      NVME_ONCS_FEATURES      = 1 << 4,
>      NVME_ONCS_RESRVATIONS   = 1 << 5,
>      NVME_ONCS_TIMESTAMP     = 1 << 6,

Nothing against this.

Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Best regards,
        Maxim Levitsky