On Wed, Mar 05, 2014 at 02:00:28PM +1100, NeilBrown wrote: > - parent = dget_parent(dentry); > + parent = rcu_dereference(dentry->d_parent); > + else > + parent = dget_parent(dentry); > dir = parent->d_inode; > nfs_inc_stats(dir, NFSIOS_DENTRYREVALIDATE); ... and in RCU mode there's nothing to stop parent from a) not being dentry->d_parent anymore b) having already become negative. NAK. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
