Re: [PATCH] lightnvm: Add error code for bad write pointer

[Javier González]

> On 6 Sep 2017, at 15.44, Christoph Hellwig  wrote:
> 
> On Wed, Sep 06, 2017 at 12:22:38PM +0200, Javier González wrote:
>> Add new error code introduced on the OCSSD spec 2.0 for write pointer
>> mismatch on the device side. This indicates to the host that a write on
>> a block (chunk) is not respecting the required sequentiality.
> 
> Do you have a pointer to that spec?

No yet. Still writing it up nicely.

I'll wait to re-post until we have the spec out.

Javier


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Re: [PATCH] lightnvm: Add error code for bad write pointer

[Christoph Hellwig]

On Wed, Sep 06, 2017 at 12:22:38PM +0200, Javier González wrote:
> Add new error code introduced on the OCSSD spec 2.0 for write pointer
> mismatch on the device side. This indicates to the host that a write on
> a block (chunk) is not respecting the required sequentiality.

Do you have a pointer to that spec?

[PATCH] lightnvm: Add error code for bad write pointer

[Javier González]

Add new error code introduced on the OCSSD spec 2.0 for write pointer
mismatch on the device side. This indicates to the host that a write on
a block (chunk) is not respecting the required sequentiality.

Signed-off-by: Javier González 
---
 include/linux/lightnvm.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 7dfa56ebbc6d..81b71c6d5873 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -102,7 +102,8 @@ enum {
/* Status codes */
NVM_RSP_SUCCESS = 0x0,
NVM_RSP_NOT_CHANGEABLE  = 0x1,
-   NVM_RSP_ERR_FAILWRITE   = 0x40ff,
+   NVM_RSP_ERR_FAILWRITE   = 0x40ff,   /* Generic write failure */
+   NVM_RSP_ERR_FAILWP  = 0x42f0,   /* Write pointer failure */
NVM_RSP_ERR_EMPTYPAGE   = 0x42ff,
NVM_RSP_ERR_FAILECC = 0x4281,
NVM_RSP_ERR_FAILCRC = 0x4004,
-- 
2.7.4