block: restore multiple bd_link_disk_holder() support

[uclinux-h8/linux.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 3984f23..fb21903 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -666,7 +666,7 @@ struct block_device {
        int                     bd_holders;
        bool                    bd_write_holder;
 #ifdef CONFIG_SYSFS
-       struct gendisk *        bd_holder_disk; /* for sysfs slave linkng */
+       struct list_head        bd_holder_disks;
 #endif
        struct block_device *   bd_contains;
        unsigned                bd_block_size;
@@ -2058,12 +2058,18 @@ extern struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode,
 extern int blkdev_put(struct block_device *bdev, fmode_t mode);
 #ifdef CONFIG_SYSFS
 extern int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk);
+extern void bd_unlink_disk_holder(struct block_device *bdev,
+                                 struct gendisk *disk);
 #else
 static inline int bd_link_disk_holder(struct block_device *bdev,
                                      struct gendisk *disk)
 {
        return 0;
 }
+static inline void bd_unlink_disk_holder(struct block_device *bdev,
+                                        struct gendisk *disk)
+{
+}
 #endif
 #endif