linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / include / linux / jbd.h

diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index a04c154..41ee799 100644 (file)
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -28,9 +28,6 @@
 #include <linux/journal-head.h>
 #include <linux/stddef.h>
 #include <linux/bit_spinlock.h>
-#include <linux/mutex.h>
-#include <linux/timer.h>
-
 #include <asm/semaphore.h>
 #endif
 
@@ -72,9 +69,6 @@ extern int journal_enable_debug;
 #endif
 
 extern void * __jbd_kmalloc (const char *where, size_t size, gfp_t flags, int retry);
-extern void * jbd_slab_alloc(size_t size, gfp_t flags);
-extern void jbd_slab_free(void *ptr, size_t size);
-
 #define jbd_kmalloc(size, flags) \
        __jbd_kmalloc(__FUNCTION__, (size), (flags), journal_oom_retry)
 #define jbd_rep_kmalloc(size, flags) \
@@ -503,12 +497,6 @@ struct transaction_s
         */
        struct journal_head     *t_checkpoint_list;
 
-       /*
-        * Doubly-linked circular list of all buffers submitted for IO while
-        * checkpointing. [j_list_lock]
-        */
-       struct journal_head     *t_checkpoint_io_list;
-
        /*
         * Doubly-linked circular list of temporary buffers currently undergoing
         * IO in the log [j_list_lock]
@@ -587,7 +575,7 @@ struct transaction_s
  * @j_wait_checkpoint:  Wait queue to trigger checkpointing
  * @j_wait_commit: Wait queue to trigger commit
  * @j_wait_updates: Wait queue to wait for updates to complete
- * @j_checkpoint_mutex: Mutex for locking against concurrent checkpoints
+ * @j_checkpoint_sem: Semaphore for locking against concurrent checkpoints
  * @j_head: Journal head - identifies the first unused block in the journal
  * @j_tail: Journal tail - identifies the oldest still-used block in the
  *  journal.
@@ -657,7 +645,7 @@ struct journal_s
        int                     j_barrier_count;
 
        /* The barrier lock itself */
-       struct mutex            j_barrier;
+       struct semaphore        j_barrier;
 
        /*
         * Transactions: The current running transaction...
@@ -699,7 +687,7 @@ struct journal_s
        wait_queue_head_t       j_wait_updates;
 
        /* Semaphore for locking against concurrent checkpoints */
-       struct mutex            j_checkpoint_mutex;
+       struct semaphore        j_checkpoint_sem;
 
        /*
         * Journal head: identifies the first unused block in the journal.
@@ -798,7 +786,7 @@ struct journal_s
        unsigned long           j_commit_interval;
 
        /* The timer used to wakeup the commit thread: */
-       struct timer_list       j_commit_timer;
+       struct timer_list       *j_commit_timer;
 
        /*
         * The revoke table: maintains the list of revoked blocks in the
@@ -858,7 +846,7 @@ extern void journal_commit_transaction(journal_t *);
 
 /* Checkpoint list management */
 int __journal_clean_checkpoint_list(journal_t *journal);
-int __journal_remove_checkpoint(struct journal_head *);
+void __journal_remove_checkpoint(struct journal_head *);
 void __journal_insert_checkpoint(struct journal_head *, transaction_t *);
 
 /* Buffer IO */
@@ -904,7 +892,7 @@ extern int   journal_dirty_metadata (handle_t *, struct buffer_head *);
 extern void     journal_release_buffer (handle_t *, struct buffer_head *);
 extern int      journal_forget (handle_t *, struct buffer_head *);
 extern void     journal_sync_buffer (struct buffer_head *);
-extern void     journal_invalidatepage(journal_t *,
+extern int      journal_invalidatepage(journal_t *,
                                struct page *, unsigned long);
 extern int      journal_try_to_free_buffers(journal_t *, struct page *, gfp_t);
 extern int      journal_stop(handle_t *);