On 2018年03月26日 08:54, Misono Tomohiro wrote:
> On 2018/03/23 18:14, Qu Wenruo wrote:
>>
>>
>> On 2018年03月23日 16:20, Misono Tomohiro wrote:
>>> The kernel code no longer has BTRFS_CRC32_SIZE and only uses
>>> btrfs_csum_sizes[]. So, update the progs code as well.
>>>
>>> Suggested-by: Qu Wenruo <w...@suse.com>
>>> Signed-off-by: Tomohiro Misono <misono.tomoh...@jp.fujitsu.com>
>>> ---
>>>  convert/common.c |  2 +-
>>>  convert/main.c   |  2 +-
>>>  ctree.h          |  3 +--
>>>  image/main.c     |  4 ++--
>>>  mkfs/common.c    | 14 +++++++-------
>>>  5 files changed, 12 insertions(+), 13 deletions(-)
>>>
>>> diff --git a/convert/common.c b/convert/common.c
>>> index 3860f3b9..2b944fd8 100644
>>> --- a/convert/common.c
>>> +++ b/convert/common.c
>>> @@ -219,7 +219,7 @@ static inline int write_temp_extent_buffer(int fd, 
>>> struct extent_buffer *buf,
>>>  {
>>>     int ret;
>>>  
>>> -   csum_tree_block_size(buf, BTRFS_CRC32_SIZE, 0);
>>> +   csum_tree_block_size(buf, btrfs_csum_sizes[BTRFS_CSUM_TYPE_CRC32], 0);
>>
>> I'd say the normal kernel way to do this is like this, other than using
>> BTRFS_CSUM_TYPE_CRC32:
>>      u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);
>>
>> Thanks,
>> Qu
> 
> 
> Thanks, but we cannot access fs_info or struct btrfs_super_block here (and 
> others in this diff).
> Should we pass the csum type parameter as an argument? Since currently the 
> only
> supported type is crc32, I'm not sure if we should write the code so generic 
> at this time.

Fair enough.

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

Thanks,
Qu
> 
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