On Mon, May 22, 2017 at 03:53:05PM -0700, Shaohua Li wrote: > Set i_generation for kernfs inod. This is required to implement exportfs > operations. > > Signed-off-by: Shaohua Li <[email protected]> > --- > fs/kernfs/dir.c | 2 ++ > fs/kernfs/inode.c | 1 + > include/linux/kernfs.h | 2 ++ > 3 files changed, 5 insertions(+) > > diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c > index db5900aaa..09d093e 100644 > --- a/fs/kernfs/dir.c > +++ b/fs/kernfs/dir.c > @@ -634,6 +634,7 @@ static struct kernfs_node *__kernfs_new_node(struct > kernfs_root *root, > if (ret < 0) > goto err_out2; > kn->ino = ret; > + kn->generation = atomic_inc_return(&root->next_generation);
i_generation is only supposed to be valid on a per-inode basis, so this global counter seems really odd.
