Re: [PATCH v3] fs/pstore: provide panic data even in suspend

From: Joe Perches
Date: Thu Aug 13 2015 - 13:53:16 EST

On Wed, 2015-08-12 at 11:45 +0800, check.kernel@xxxxxxxxx wrote:
> From: yangdongdong <yangdongdong@xxxxxxxxxx>
> If system restart after panic, this patch also enables
> panic and oops messages which in suspend context to be
> logged into ramoops console buffer where it can be read
> back at some later point.


> diff --git a/include/linux/pstore_ram.h b/include/linux/pstore_ram.h
> @@ -52,6 +52,7 @@ struct persistent_ram_zone {
> size_t old_log_size;
> };
> +extern void emergency_unlock_console(void);

None of the other function prototypes in this file use extern.
This one shouldn't either.

> struct persistent_ram_zone *persistent_ram_new(phys_addr_t start, size_t size,
> u32 sig, struct persistent_ram_ecc_info *ecc_info,
> unsigned int memtype);

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