[PATCH v2 1/4] block: Add error codes for common PR failures

[Chaitanya Kulkarni]

On 11/15/22 13:28, Mike Christie wrote:
> If a PR operation fails we can return a device specific error which is
> impossible to handle in some cases because we could have a mix of devices
> when DM is used, or future users like lio only know it's interacting with

long lines above ? just check

> a block device so it doesn't know the type.
> 
> This patch adds a new pr_status enum so drivers can convert errors to a
> common type which can be handled by the caller.
> 
> Signed-off-by: Mike Christie <michael.christie at oracle.com>
> Reviewed-by: Christoph Hellwig <hch at lst.de>
> ---

Looks good.

Reviewed-by: Chaitanya Kulkarni <kch at nvidia.com>

-ck