[PATCH v3] erofs: support STATX_DIOALIGN

[Chao Yu]

On 2024/7/18 16:35, Gao Xiang wrote:
> 
> 
> On 2024/7/18 16:32, Gao Xiang wrote:
>> From: Hongbo Li via Linux-erofs <linux-erofs at lists.ozlabs.org>
> 
> Also I will fix the email address issue
> (Hongbo Li <lihongbo22 at huawei.com>) when applying too.
> 
>>
>> Add support for STATX_DIOALIGN to erofs, so that direct I/O
>> alignment restrictions are exposed to userspace in a generic
>> way.
>>
>> [Before]
>> ```
>> ./statx_test /mnt/erofs/testfile
>> statx(/mnt/erofs/testfile) = 0
>> dio mem align:0
>> dio offset align:0
>> ```
>>
>> [After]
>> ```
>> ./statx_test /mnt/erofs/testfile
>> statx(/mnt/erofs/testfile) = 0
>> dio mem align:512
>> dio offset align:512
>> ```
>>
>> Signed-off-by: Hongbo Li <lihongbo22 at huawei.com>
>> Signed-off-by: Gao Xiang <hsiangkao at linux.alibaba.com>

Reviewed-by: Chao Yu <chao at kernel.org>

Thanks,