11 static inline struct journal_head *bh2jh(struct buffer_head *bh)  in bh2jh()  argument
13 	return bh->b_private;  in bh2jh()
16 static inline void jbd_lock_bh_state(struct buffer_head *bh)  in jbd_lock_bh_state()  argument
18 	bit_spin_lock(BH_State, &bh->b_state);  in jbd_lock_bh_state()
21 static inline int jbd_trylock_bh_state(struct buffer_head *bh)  in jbd_trylock_bh_state()  argument
23 	return bit_spin_trylock(BH_State, &bh->b_state);  in jbd_trylock_bh_state()
26 static inline int jbd_is_locked_bh_state(struct buffer_head *bh)  in jbd_is_locked_bh_state()  argument
28 	return bit_spin_is_locked(BH_State, &bh->b_state);  in jbd_is_locked_bh_state()
31 static inline void jbd_unlock_bh_state(struct buffer_head *bh)  in jbd_unlock_bh_state()  argument
33 	bit_spin_unlock(BH_State, &bh->b_state);  in jbd_unlock_bh_state()
36 static inline void jbd_lock_bh_journal_head(struct buffer_head *bh)  in jbd_lock_bh_journal_head()  argument
38 	bit_spin_lock(BH_JournalHead, &bh->b_state);  in jbd_lock_bh_journal_head()
41 static inline void jbd_unlock_bh_journal_head(struct buffer_head *bh)  in jbd_unlock_bh_journal_head()  argument
43 	bit_spin_unlock(BH_JournalHead, &bh->b_state);  in jbd_unlock_bh_journal_head()