Name

__d_rcu_to_refcount — take a refcount on dentry if sequence check is ok

Synopsis

int __d_rcu_to_refcount (struct dentry * dentry,
 unsigned seq);
 

Arguments

dentry

dentry to take a ref on

seq

seqcount to verify against

Returns

0 on failure, else 1.

__d_rcu_to_refcount operates on a dentry,seq pair that was returned by __d_lookup_rcu, to get a reference on an rcu-walk dentry.