[PATCH v6 37/42] nvme: refactor identify active namespace id list

Klaus Jensen posted 42 patches 5 years, 10 months ago
Maintainers: Fam Zheng <fam@euphon.net>, Keith Busch <keith.busch@intel.com>, "Michael S. Tsirkin" <mst@redhat.com>, Eduardo Habkost <ehabkost@redhat.com>, Max Reitz <mreitz@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Kevin Wolf <kwolf@redhat.com>
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[PATCH v6 37/42] nvme: refactor identify active namespace id list
Posted by Klaus Jensen 5 years, 10 months ago
From: Klaus Jensen <k.jensen@samsung.com>

Prepare to support inactive namespaces.

Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
 hw/block/nvme.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index b89b96990f52..bf9fb500842a 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -1505,16 +1505,16 @@ static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeIdentify *c,
     uint32_t min_nsid = le32_to_cpu(c->nsid);
     uint32_t *list;
     uint16_t ret;
-    int i, j = 0;
+    int j = 0;
 
     trace_nvme_dev_identify_nslist(min_nsid);
 
     list = g_malloc0(data_len);
-    for (i = 0; i < n->num_namespaces; i++) {
-        if (i < min_nsid) {
+    for (int i = 1; i <= n->num_namespaces; i++) {
+        if (i <= min_nsid) {
             continue;
         }
-        list[j++] = cpu_to_le32(i + 1);
+        list[j++] = cpu_to_le32(i);
         if (j == data_len / sizeof(uint32_t)) {
             break;
         }
-- 
2.25.1


Re: [PATCH v6 37/42] nvme: refactor identify active namespace id list
Posted by Maxim Levitsky 5 years, 10 months ago
On Mon, 2020-03-16 at 07:29 -0700, Klaus Jensen wrote:
> From: Klaus Jensen <k.jensen@samsung.com>
> 
> Prepare to support inactive namespaces.
> 
> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
> ---
>  hw/block/nvme.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/hw/block/nvme.c b/hw/block/nvme.c
> index b89b96990f52..bf9fb500842a 100644
> --- a/hw/block/nvme.c
> +++ b/hw/block/nvme.c
> @@ -1505,16 +1505,16 @@ static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeIdentify *c,
>      uint32_t min_nsid = le32_to_cpu(c->nsid);
>      uint32_t *list;
>      uint16_t ret;
> -    int i, j = 0;
> +    int j = 0;
>  
>      trace_nvme_dev_identify_nslist(min_nsid);
>  
>      list = g_malloc0(data_len);
> -    for (i = 0; i < n->num_namespaces; i++) {
> -        if (i < min_nsid) {
> +    for (int i = 1; i <= n->num_namespaces; i++) {
> +        if (i <= min_nsid) {
>              continue;
>          }
> -        list[j++] = cpu_to_le32(i + 1);
> +        list[j++] = cpu_to_le32(i);
>          if (j == data_len / sizeof(uint32_t)) {
>              break;
>          }


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

Best regards,
	Maxim Levitsky