Re: [PATCH 5/6] scsi: use 64-bit value for 'max_luns'

[Christoph Hellwig <hch@infradead.org>]

On Tue, Jun 03, 2014 at 10:58:56AM +0200, Hannes Reinecke wrote:
> Now that we're using 64-bit LUNs internally we need to increase
> the size of max_luns to 64 bits, too.
> 
> Signed-off-by: Hannes Reinecke <hare@suse.de>
> Reviewed-by: Christoph Hellwig <hch@infradead.org>
> Reviewed-by: Ewan Milne <emilne@redhat.com>

I just noticed that this has changes to the module param code.
These should be split into a separate patch and be ACKed by the modules
maintainer.  I'd still love to take the change through the SCSI tree to
be able to get this into 3.17 easily.

moduleparam changes below:

> diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
> index 204a677..21e2ba6 100644
> --- a/include/linux/moduleparam.h
> +++ b/include/linux/moduleparam.h
> @@ -381,6 +381,11 @@ extern int param_set_ulong(const char *val, const struct kernel_param *kp);
>  extern int param_get_ulong(char *buffer, const struct kernel_param *kp);
>  #define param_check_ulong(name, p) __param_check(name, p, unsigned long)
>  
> +extern struct kernel_param_ops param_ops_ullong;
> +extern int param_set_ullong(const char *val, const struct kernel_param *kp);
> +extern int param_get_ullong(char *buffer, const struct kernel_param *kp);
> +#define param_check_ullong(name, p) __param_check(name, p, unsigned long long)
> +
>  extern struct kernel_param_ops param_ops_charp;
>  extern int param_set_charp(const char *val, const struct kernel_param *kp);
>  extern int param_get_charp(char *buffer, const struct kernel_param *kp);

> diff --git a/kernel/params.c b/kernel/params.c
> index b00142e..2b2a9dd 100644
> --- a/kernel/params.c
> +++ b/kernel/params.c
> @@ -253,6 +253,7 @@ STANDARD_PARAM_DEF(int, int, "%i", kstrtoint);
>  STANDARD_PARAM_DEF(uint, unsigned int, "%u", kstrtouint);
>  STANDARD_PARAM_DEF(long, long, "%li", kstrtol);
>  STANDARD_PARAM_DEF(ulong, unsigned long, "%lu", kstrtoul);
> +STANDARD_PARAM_DEF(ullong, unsigned long long, "%llu", kstrtoull);
>  
>  int param_set_charp(const char *val, const struct kernel_param *kp)
>  {
> -- 
> 1.7.12.4
> 
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