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__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.

COPYRIGHT

March 2016 Kernel Hackers Manual 3.2.