linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / fs / jbd / transaction.c

diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index c609f50..ca91797 100644 (file)
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -53,8 +53,8 @@ get_transaction(journal_t *journal, transaction_t *transaction)
        spin_lock_init(&transaction->t_handle_lock);
 
        /* Set up the commit timer for the new transaction. */
-       journal->j_commit_timer.expires = transaction->t_expires;
-       add_timer(&journal->j_commit_timer);
+       journal->j_commit_timer->expires = transaction->t_expires;
+       add_timer(journal->j_commit_timer);
 
        J_ASSERT(journal->j_running_transaction == NULL);
        journal->j_running_transaction = transaction;
@@ -455,7 +455,7 @@ void journal_lock_updates(journal_t *journal)
         * to make sure that we serialise special journal-locked operations
         * too.
         */
-       mutex_lock(&journal->j_barrier);
+       down(&journal->j_barrier);
 }
 
 /**
@@ -470,7 +470,7 @@ void journal_unlock_updates (journal_t *journal)
 {
        J_ASSERT(journal->j_barrier_count != 0);
 
-       mutex_unlock(&journal->j_barrier);
+       up(&journal->j_barrier);
        spin_lock(&journal->j_state_lock);
        --journal->j_barrier_count;
        spin_unlock(&journal->j_state_lock);
@@ -1873,15 +1873,16 @@ zap_buffer_unlocked:
 }
 
 /** 
- * void journal_invalidatepage()
+ * int journal_invalidatepage() 
  * @journal: journal to use for flush... 
  * @page:    page to flush
  * @offset:  length of page to invalidate.
  *
  * Reap page buffers containing data after offset in page.
  *
+ * Return non-zero if the page's buffers were successfully reaped.
  */
-void journal_invalidatepage(journal_t *journal,
+int journal_invalidatepage(journal_t *journal, 
                      struct page *page, 
                      unsigned long offset)
 {
@@ -1892,7 +1893,7 @@ void journal_invalidatepage(journal_t *journal,
        if (!PageLocked(page))
                BUG();
        if (!page_has_buffers(page))
-               return;
+               return 1;
 
        /* We will potentially be playing with lists other than just the
         * data lists (especially for journaled data mode), so be
@@ -1915,9 +1916,11 @@ void journal_invalidatepage(journal_t *journal,
        } while (bh != head);
 
        if (!offset) {
-               if (may_free && try_to_free_buffers(page))
-                       J_ASSERT(!page_has_buffers(page));
+               if (!may_free || !try_to_free_buffers(page))
+                       return 0;
+               J_ASSERT(!page_has_buffers(page));
        }
+       return 1;
 }
 
 /*