[PATCH] ocfs2: Semaphore to mutex conversion.

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 65bd69d..ccabed9 100644 (file)
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -1072,10 +1072,10 @@ restart:
                                        NULL);
 
 bail:
-       down(&osb->recovery_lock);
+       mutex_lock(&osb->recovery_lock);
        if (!status &&
            !ocfs2_node_map_is_empty(osb, &osb->recovery_map)) {
-               up(&osb->recovery_lock);
+               mutex_unlock(&osb->recovery_lock);
                goto restart;
        }
 
@@ -1083,7 +1083,7 @@ bail:
        mb(); /* sync with ocfs2_recovery_thread_running */
        wake_up(&osb->recovery_event);
 
-       up(&osb->recovery_lock);
+       mutex_unlock(&osb->recovery_lock);
 
        mlog_exit(status);
        /* no one is callint kthread_stop() for us so the kthread() api
@@ -1098,7 +1098,7 @@ void ocfs2_recovery_thread(struct ocfs2_super *osb, int node_num)
        mlog_entry("(node_num=%d, osb->node_num = %d)\n",
                   node_num, osb->node_num);
 
-       down(&osb->recovery_lock);
+       mutex_lock(&osb->recovery_lock);
        if (osb->disable_recovery)
                goto out;
 
@@ -1120,7 +1120,7 @@ void ocfs2_recovery_thread(struct ocfs2_super *osb, int node_num)
        }
 
 out:
-       up(&osb->recovery_lock);
+       mutex_unlock(&osb->recovery_lock);
        wake_up(&osb->recovery_event);
 
        mlog_exit_void();

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index f468c60..8d8e477 100644 (file)
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -33,6 +33,7 @@
 #include <linux/rbtree.h>
 #include <linux/workqueue.h>
 #include <linux/kref.h>
+#include <linux/mutex.h>
 
 #include "cluster/nodemanager.h"
 #include "cluster/heartbeat.h"
@@ -233,7 +234,7 @@ struct ocfs2_super
        struct proc_dir_entry *proc_sub_dir; /* points to /proc/fs/ocfs2/<maj_min> */
 
        atomic_t vol_state;
-       struct semaphore recovery_lock;
+       struct mutex recovery_lock;
        struct task_struct *recovery_thread_task;
        int disable_recovery;
        wait_queue_head_t checkpoint_event;

diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index c44075d..e7e17bd 100644 (file)
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1137,9 +1137,9 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
 
        /* disable any new recovery threads and wait for any currently
         * running ones to exit. Do this before setting the vol_state. */
-       down(&osb->recovery_lock);
+       mutex_lock(&osb->recovery_lock);
        osb->disable_recovery = 1;
-       up(&osb->recovery_lock);
+       mutex_unlock(&osb->recovery_lock);
        wait_event(osb->recovery_event, !ocfs2_recovery_thread_running(osb));
 
        /* At this point, we know that no more recovery threads can be
@@ -1283,7 +1283,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
        snprintf(osb->dev_str, sizeof(osb->dev_str), "%u,%u",
                 MAJOR(osb->sb->s_dev), MINOR(osb->sb->s_dev));
 
-       init_MUTEX(&osb->recovery_lock);
+       mutex_init(&osb->recovery_lock);
 
        osb->disable_recovery = 0;
        osb->recovery_thread_task = NULL;