X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fjbd.h;h=07a9b52a265418cb4b213ae8b1fff8e6eefbdd9d;hb=5b51a7e9d84f19df4d532ebf5624dbb8ad0d6c9c;hp=a3abf51e488fca138eef37028c06fae4a800680c;hpb=a5005da204289ce01ca37be59e902100ef247a4d;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index a3abf51..07a9b52 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -32,9 +32,6 @@
 #include <linux/timer.h>
 #include <linux/lockdep.h>
 
-#include <asm/semaphore.h>
-#endif
-
 #define journal_oom_retry 1
 
 /*
@@ -58,7 +55,7 @@
  * CONFIG_JBD_DEBUG is on.
  */
 #define JBD_EXPENSIVE_CHECKING
-extern int journal_enable_debug;
+extern u8 journal_enable_debug;
 
 #define jbd_debug(n, f, a...)						\
 	do {								\
@@ -84,7 +81,6 @@ static inline void jbd_free(void *ptr, size_t size)
 
 #define JFS_MIN_JOURNAL_BLOCKS 1024
 
-#ifdef __KERNEL__
 
 /**
  * typedef handle_t - The handle_t type represents a single atomic update being performed by some process.
@@ -248,17 +244,7 @@ typedef struct journal_superblock_s
 #include <linux/fs.h>
 #include <linux/sched.h>
 
-#define JBD_ASSERTIONS
-#ifdef JBD_ASSERTIONS
-#define J_ASSERT(assert)						\
-do {									\
-	if (!(assert)) {						\
-		printk (KERN_EMERG					\
-			"Assertion failure in %s() at %s:%d: \"%s\"\n",	\
-			__FUNCTION__, __FILE__, __LINE__, # assert);	\
-		BUG();							\
-	}								\
-} while (0)
+#define J_ASSERT(assert)	BUG_ON(!(assert))
 
 #if defined(CONFIG_BUFFER_DEBUG)
 void buffer_assertion_failure(struct buffer_head *bh);
@@ -274,10 +260,6 @@ void buffer_assertion_failure(struct buffer_head *bh);
 #define J_ASSERT_JH(jh, expr)	J_ASSERT(expr)
 #endif
 
-#else
-#define J_ASSERT(assert)	do { } while (0)
-#endif		/* JBD_ASSERTIONS */
-
 #if defined(JBD_PARANOID_IOFAIL)
 #define J_EXPECT(expr, why...)		J_ASSERT(expr)
 #define J_EXPECT_BH(bh, expr, why...)	J_ASSERT_BH(bh, expr)
@@ -364,8 +346,7 @@ static inline void jbd_unlock_bh_journal_head(struct buffer_head *bh)
 struct jbd_revoke_table_s;
 
 /**
- * struct handle_s - The handle_s type is the concrete type associated with
- *     handle_t.
+ * struct handle_s - this is the concrete type associated with handle_t.
  * @h_transaction: Which compound transaction is this update a part of?
  * @h_buffer_credits: Number of remaining buffers we are allowed to dirty.
  * @h_ref: Reference count on this handle
@@ -374,12 +355,7 @@ struct jbd_revoke_table_s;
  * @h_jdata: flag to force data journaling
  * @h_aborted: flag indicating fatal error on handle
  * @h_lockdep_map: lockdep info for debugging lock problems
- **/
-
-/* Docbook can't yet cope with the bit fields, but will leave the documentation
- * in so it can be fixed later.
  */
-
 struct handle_s
 {
 	/* Which compound transaction is this update a part of? */
@@ -453,6 +429,8 @@ struct transaction_s
 	/*
 	 * Transaction's current state
 	 * [no locking - only kjournald alters this]
+	 * [j_list_lock] guards transition of a transaction into T_FINISHED
+	 * state and subsequent call of __journal_drop_transaction()
 	 * FIXME: needs barriers
 	 * KLUDGE: [use j_state_lock]
 	 */
@@ -572,8 +550,7 @@ struct transaction_s
 };
 
 /**
- * struct journal_s - The journal_s type is the concrete type associated with
- *     journal_t.
+ * struct journal_s - this is the concrete type associated with journal_t.
  * @j_flags:  General journaling state flags
  * @j_errno:  Is there an outstanding uncleared error on the journal (from a
  *     prior abort)?
@@ -936,7 +913,6 @@ extern int	   journal_recover    (journal_t *journal);
 extern int	   journal_wipe       (journal_t *, int);
 extern int	   journal_skip_recovery	(journal_t *);
 extern void	   journal_update_superblock	(journal_t *, int);
-extern void	   __journal_abort_hard	(journal_t *);
 extern void	   journal_abort      (journal_t *, int);
 extern int	   journal_errno      (journal_t *);
 extern void	   journal_ack_err    (journal_t *);