Re: [PATCH RFC] Add FAT_IOCTL_GET_VOLUME_ID

[OGAWA Hirofumi]

dmitry pervushin <dpervushin@xxxxxxxxx> writes:

> Hello Bintian,
>
> The original idea discussed with John was to allow
> FAT_IOCTL_GET_VOLUME_ID (broken or not) only on directory nodes, and
> even on the root directory node. That's why it is should be *not* in
> fat_generic_ioctl.

The question would be, why do we have to limit only on directory?

When I'm reviewing this, I recalled fstatvfs(2) as referenced one. The
both get the info of fs. fstatvfs(2) doesn't limit only on
directory. But, in the FAT_IOCTL_GET_VOLUME_ID case, it limits.

I wonder why?

Thanks.
-- 
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
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