Edit File: jbd_common.h
#ifndef _LINUX_JBD_STATE_H #define _LINUX_JBD_STATE_H static inline struct buffer_head *jh2bh(struct journal_head *jh) { return jh->b_bh; } static inline struct journal_head *bh2jh(struct buffer_head *bh) { return bh->b_private; } static inline void jbd_lock_bh_state(struct buffer_head *bh) { bit_spin_lock(BH_State, &bh->b_state); } static inline int jbd_trylock_bh_state(struct buffer_head *bh) { return bit_spin_trylock(BH_State, &bh->b_state); } static inline int jbd_is_locked_bh_state(struct buffer_head *bh) { return bit_spin_is_locked(BH_State, &bh->b_state); } static inline void jbd_unlock_bh_state(struct buffer_head *bh) { bit_spin_unlock(BH_State, &bh->b_state); } static inline void jbd_lock_bh_journal_head(struct buffer_head *bh) { bit_spin_lock(BH_JournalHead, &bh->b_state); } static inline void jbd_unlock_bh_journal_head(struct buffer_head *bh) { bit_spin_unlock(BH_JournalHead, &bh->b_state); } #endif