md: support updating bitmap parameters via sysfs.

[safe/jmp/linux-2.6] / drivers / md / md.c

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 93287f8..859edbf 100644 (file)
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4018,6 +4018,7 @@ static void mddev_delayed_delete(struct work_struct *ws)
                mddev->sysfs_action = NULL;
                mddev->private = NULL;
        }
+       sysfs_remove_group(&mddev->kobj, &md_bitmap_group);
        kobject_del(&mddev->kobj);
        kobject_put(&mddev->kobj);
 }
@@ -4109,6 +4110,8 @@ static int md_alloc(dev_t dev, char *name)
                       disk->disk_name);
                error = 0;
        }
+       if (sysfs_create_group(&mddev->kobj, &md_bitmap_group))
+               printk(KERN_DEBUG "pointless warning\n");
  abort:
        mutex_unlock(&disks_mutex);
        if (!error) {
@@ -4434,7 +4437,7 @@ static int deny_bitmap_write_access(struct file * file)
        return 0;
 }
 
-static void restore_bitmap_write_access(struct file *file)
+void restore_bitmap_write_access(struct file *file)
 {
        struct inode *inode = file->f_mapping->host;