On Wed, Jun 28, 2017 at 09:29:57AM -0700, Shaohua Li wrote: > From: Shaohua Li <shli@xxxxxx> > > Add an API to export cgroup fhandle info. We don't export a full 'struct > file_handle', there are unrequired info. Sepcifically, cgroup is always > a directory, so we don't need a 'FILEID_INO32_GEN_PARENT' type fhandle, > we only need export the inode number and generation number just like > what generic_fh_to_dentry does. And we can avoid the overhead of getting > an inode too, since kernfs_node_id (ino and generation) has all the info > required. > > Signed-off-by: Shaohua Li <shli@xxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> Thanks. -- tejun