Re: [Qemu-devel] [2.3 PATCH v7 05/10] block: Add bdrv_copy_dirty_bitmap and bdrv_reset_dirty_bitmap

[Eric Blake]

On 11/26/2014 05:43 AM, Max Reitz wrote:
> On 2014-11-25 at 20:46, John Snow wrote:
>> From: Fam Zheng <address@hidden>
>>
>> Signed-off-by: Fam Zheng <address@hidden>
>> Signed-off-by: John Snow <address@hidden>
>> ---
>>   block.c               | 35 +++++++++++++++++++++++++++++++----
>>   include/block/block.h |  4 ++++
>>   2 files changed, 35 insertions(+), 4 deletions(-)
>>

>> @@ -5406,7 +5431,9 @@ int64_t
>> bdrv_dbm_calc_def_granularity(BlockDriverState *bs)
>>   int64_t bdrv_dirty_bitmap_granularity(BlockDriverState *bs,
>>                                     BdrvDirtyBitmap *bitmap)
>>   {
>> -    return BDRV_SECTOR_SIZE << hbitmap_granularity(bitmap->bitmap);
>> +    g_assert(BDRV_SECTOR_SIZE << hbitmap_granularity(bitmap->bitmap)
>> == \
>> +             bitmap->granularity);
> 
> Do you really need that backslash?
> 
> If you don't and remove it, or if you do and keep it, and with either
> "name ? g_strdup(name) : NULL" left as-is or replace by "g_strdup(name)":
> 

g_strdup(NULL) is safe, so 'name ? g_strdup(name) : NULL' is pointless
and can be written as 'g_strdup(name)' with no change in functionality.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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