Re: [PATCH 2/6] statfs: use << to align with fs header

From: Randy Dunlap
Date: Fri Apr 13 2018 - 13:55:31 EST


On 04/13/2018 10:35 AM, Andreas Dilger wrote:
> On Apr 13, 2018, at 10:11 AM, Christian Brauner <christian.brauner@xxxxxxxxxx> wrote:
>>
>> Consistenly use << to define ST_* constants. This also aligns them with
>> their MS_* counterparts in fs.h
>
> IMHO, using (1 << 10) makes the code harder to debug. If you see a field
> in a structure like 0x8354, it is non-trivial to map this to the ST_*
> flags if they are declared in the form (1 << 10) or BIT(10). If they are
> declared in the form 0x100 (as they are now) then it is trivial that the
> ST_APPEND flag is set in 0x8354, and easy to understand the other flags.
>
> So, my preference would be to NOT land this or the previous patch.

That makes sense to me.

--
~Randy