[RFC PATCH] fs: obtain the inode generation number from vfs directly

[Hongbo Li]

On 2024/8/27 10:53, Matthew Wilcox wrote:
> On Tue, Aug 27, 2024 at 01:41:08AM +0000, Hongbo Li wrote:
>> Many mainstream file systems already support the GETVERSION ioctl,
>> and their implementations are completely the same, essentially
>> just obtain the value of i_generation. We think this ioctl can be
>> implemented at the VFS layer, so the file systems do not need to
>> implement it individually.
> 
> ... then you should also remove the implementation from every
> filesystem, not just add it to the VFS.
> 

Yeah, this is just an RFC submission, mainly to see what everyone's 
opinions are. If this is ok, I will send the v2 that includes the 
removal of all file systems' implementations on IOC_GETVERSION.

Thanks,
Hongbo

>