On 2017年12月05日 16:39, Nikolay Borisov wrote:
> This function has been copied twice in chunk-recover and super-recover. Factor
> it out into utils.c/h and use it. No functional changes.
> 
> Signed-off-by: Nikolay Borisov <nborisov@suse.com>

Reviewed-by: Qu Wenruo <wqu@suse.com>

Thanks,
Qu

> ---
>  chunk-recover.c | 18 ------------------
>  super-recover.c | 13 -------------
>  utils.c         | 18 ++++++++++++++++++
>  utils.h         |  3 +++
>  4 files changed, 21 insertions(+), 31 deletions(-)
> 
> diff --git a/chunk-recover.c b/chunk-recover.c
> index 4a6d7141ae80..705bcf52379d 100644
> --- a/chunk-recover.c
> +++ b/chunk-recover.c
> @@ -451,24 +451,6 @@ static void print_device_extent_tree(struct device_extent_tree *tree)
>  	printf("\n");
>  }
>  
> -static void print_device_info(struct btrfs_device *device, char *prefix)
> -{
> -	if (prefix)
> -		printf("%s", prefix);
> -	printf("Device: id = %llu, name = %s\n",
> -	       device->devid, device->name);
> -}
> -
> -static void print_all_devices(struct list_head *devices)
> -{
> -	struct btrfs_device *dev;
> -
> -	printf("All Devices:\n");
> -	list_for_each_entry(dev, devices, dev_list)
> -		print_device_info(dev, "\t");
> -	printf("\n");
> -}
> -
>  static void print_scan_result(struct recover_control *rc)
>  {
>  	if (!rc->verbose)
> diff --git a/super-recover.c b/super-recover.c
> index 6b80416f976a..6a13d81b0b29 100644
> --- a/super-recover.c
> +++ b/super-recover.c
> @@ -186,19 +186,6 @@ static struct super_block_record *recover_get_good_super(
>  	return record;
>  }
>  
> -static void print_all_devices(struct list_head *devices)
> -{
> -	struct btrfs_device *dev;
> -
> -	printf("All Devices:\n");
> -	list_for_each_entry(dev, devices, dev_list) {
> -		printf("\t");
> -		printf("Device: id = %llu, name = %s\n",
> -			dev->devid, dev->name);
> -	}
> -	printf("\n");
> -}
> -
>  static void print_super_info(struct super_block_record *record)
>  {
>  	printf("\t\tdevice name = %s\n", record->device_name);
> diff --git a/utils.c b/utils.c
> index 524f463d3140..6c0d9fc1bebf 100644
> --- a/utils.c
> +++ b/utils.c
> @@ -2701,3 +2701,21 @@ unsigned long total_memory(void)
>          }
>          return si.totalram * si.mem_unit;       /* bytes */
>  }
> +
> +void print_device_info(struct btrfs_device *device, char *prefix)
> +{
> +	if (prefix)
> +		printf("%s", prefix);
> +	printf("Device: id = %llu, name = %s\n",
> +	       device->devid, device->name);
> +}
> +
> +void print_all_devices(struct list_head *devices)
> +{
> +	struct btrfs_device *dev;
> +
> +	printf("All Devices:\n");
> +	list_for_each_entry(dev, devices, dev_list)
> +		print_device_info(dev, "\t");
> +	printf("\n");
> +}
> diff --git a/utils.h b/utils.h
> index a82d46f6d7cc..e31ed34426c4 100644
> --- a/utils.h
> +++ b/utils.h
> @@ -171,6 +171,9 @@ int prefixcmp(const char *str, const char *prefix);
>  
>  unsigned long total_memory(void);
>  
> +
> +void print_device_info(struct btrfs_device *device, char *prefix);
> +void print_all_devices(struct list_head *devices);
>  /*
>   * Global program state, configurable by command line and available to
>   * functions without extra context passing.
>