__D_RCU_TO_REFCOUNT(9) The Linux VFS __D_RCU_TO_REFCOUNT(9)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.
COPYRIGHTKernel Hackers Manual 3.11 November 2013 __D_RCU_TO_REFCOUNT(9)