On Wed, Jun 28, 2017 at 09:29:53AM -0700, Shaohua Li wrote: > From: Shaohua Li <shli@xxxxxx> > > Add an API to get kernfs node from inode number. We will need this to > implement exportfs operations. > > This API will be used in blktrace too later, so it should be as fast as > possible. To make the API lock free, kernfs node is freed in RCU > context. And we depend on kernfs_node count/ino number to filter out > stale kernfs nodes. > > Signed-off-by: Shaohua Li <shli@xxxxxx> Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
