[PATCH RFC v3 for-6.8/block 11/17] erofs: use bdev api

[Gao Xiang]

On 2024/1/4 20:32, Yu Kuai wrote:
> Hi, Jan!
> 
> 在 2024/01/04 20:02, Jan Kara 写道:
>> On Thu 21-12-23 16:58:26, Yu Kuai wrote:
>>> From: Yu Kuai <yukuai3 at huawei.com>
>>>
>>> Avoid to access bd_inode directly, prepare to remove bd_inode from
>>> block_device.
>>>
>>> Signed-off-by: Yu Kuai <yukuai3 at huawei.com>
>>
>> I'm not erofs maintainer but IMO this is quite ugly and grows erofs_buf
>> unnecessarily. I'd rather store 'sb' pointer in erofs_buf and then do the
>> right thing in erofs_bread() which is the only place that seems to care
>> about the erofs_is_fscache_mode() distinction... Also blkszbits is then
>> trivially sb->s_blocksize_bits so it would all seem much more
>> straightforward.
> 
> Thanks for your suggestion, I'll follow this unless Gao Xiang has other
> suggestions.

Yes, that would be better, I'm fine with that.  Yet in the future we
may support a seperate large dirblocksize more than block size, but
we could revisit later.

Thanks,
Gao Xiang

> 
> Kuai
>>
>>                                 Honza
>>