Lines Matching refs:sentinel
22 struct posix_acl *sentinel = uncached_acl_sentinel(current);
24 /* If the ACL isn't being read yet, set our sentinel. */
25 cmpxchg(p, ACL_NOT_CACHED, sentinel);
30 struct posix_acl *sentinel = uncached_acl_sentinel(current);
32 /* Only cache the ACL if our sentinel is still in place. */
34 if (cmpxchg(p, sentinel, acl) != sentinel)
40 struct posix_acl *sentinel = uncached_acl_sentinel(current);
42 /* Remove our sentinel upon failure. */
43 cmpxchg(p, sentinel, ACL_NOT_CACHED);