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| author | Joel Becker <jlbec@evilplan.org> | 2011-05-25 21:51:55 -0700 |
|---|---|---|
| committer | Joel Becker <jlbec@evilplan.org> | 2011-05-25 21:51:55 -0700 |
| commit | ece928df16494becd43f999aff9bd530182e7e81 (patch) | |
| tree | 905042764ea5d8ab6eda63666406e19f607bcf4c /include/linux/key.h | |
| parent | 3d1c1829ebe7e8bb48a997b39b4865abc9197e5e (diff) | |
| parent | dda54e76d7dba0532ebdd72e0b4f492a03f83225 (diff) | |
Merge branch 'move_extents' of git://oss.oracle.com/git/tye/linux-2.6 into ocfs2-merge-window
Conflicts:
fs/ocfs2/ioctl.c
Diffstat (limited to 'include/linux/key.h')
| -rw-r--r-- | include/linux/key.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/key.h b/include/linux/key.h index b2bb01719561..ef19b99aff98 100644 --- a/include/linux/key.h +++ b/include/linux/key.h @@ -276,6 +276,19 @@ static inline key_serial_t key_serial(struct key *key) return key ? key->serial : 0; } +/** + * key_is_instantiated - Determine if a key has been positively instantiated + * @key: The key to check. + * + * Return true if the specified key has been positively instantiated, false + * otherwise. + */ +static inline bool key_is_instantiated(const struct key *key) +{ + return test_bit(KEY_FLAG_INSTANTIATED, &key->flags) && + !test_bit(KEY_FLAG_NEGATIVE, &key->flags); +} + #define rcu_dereference_key(KEY) \ (rcu_dereference_protected((KEY)->payload.rcudata, \ rwsem_is_locked(&((struct key *)(KEY))->sem))) |