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

[Matthew Wilcox]

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.