#include <linux/timer.h>
#include <linux/lockdep.h>
-#include <asm/semaphore.h>
-#endif
-
#define journal_oom_retry 1
/*
* 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 { \
#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.
#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);
#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)
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
* @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? */
/*
* 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]
*/
};
/**
- * 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)?
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 *);