[PATCH] sem2mutex: jbd, j_checkpoint_mutex

[karo-tx-linux.git] / include / linux / jbd.h

diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 41ee79962bb26c7dfc26dd7027de7abf59de3736..2ccbfb6340ba7cd192246eb4d37c7184408ae49b 100644 (file)
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -28,6 +28,7 @@
 #include <linux/journal-head.h>
 #include <linux/stddef.h>
 #include <linux/bit_spinlock.h>
+#include <linux/mutex.h>
 #include <asm/semaphore.h>
 #endif
 
@@ -575,7 +576,7 @@ 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_sem: Semaphore for locking against concurrent checkpoints
+ * @j_checkpoint_mutex: Mutex 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.
@@ -645,7 +646,7 @@ struct journal_s
        int                     j_barrier_count;
 
        /* The barrier lock itself */
-       struct semaphore        j_barrier;
+       struct mutex            j_barrier;
 
        /*
         * Transactions: The current running transaction...
@@ -687,7 +688,7 @@ struct journal_s
        wait_queue_head_t       j_wait_updates;
 
        /* Semaphore for locking against concurrent checkpoints */
-       struct semaphore        j_checkpoint_sem;
+       struct mutex            j_checkpoint_mutex;
 
        /*
         * Journal head: identifies the first unused block in the journal.