fs: Remove ext3 filesystem driver

[cascardo/linux.git] / include / linux / jbd2.h

diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index edb640a..ad4b286 100644 (file)
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -29,6 +29,7 @@
 #include <linux/mutex.h>
 #include <linux/timer.h>
 #include <linux/slab.h>
+#include <linux/bit_spinlock.h>
 #include <crypto/hash.h>
 #endif
 
@@ -336,7 +337,45 @@ BUFFER_FNS(Freed, freed)
 BUFFER_FNS(Shadow, shadow)
 BUFFER_FNS(Verified, verified)
 
-#include <linux/jbd_common.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);
+}
 
 #define J_ASSERT(assert)       BUG_ON(!(assert))