Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes

[pandora-kernel.git] / fs / ocfs2 / extent_map.h

diff --git a/fs/ocfs2/extent_map.h b/fs/ocfs2/extent_map.h
index 1c4aa8b..b7dd973 100644 (file)
--- a/fs/ocfs2/extent_map.h
+++ b/fs/ocfs2/extent_map.h
@@ -57,4 +57,28 @@ int ocfs2_xattr_get_clusters(struct inode *inode, u32 v_cluster,
                             u32 *p_cluster, u32 *num_clusters,
                             struct ocfs2_extent_list *el);
 
+int ocfs2_read_virt_blocks(struct inode *inode, u64 v_block, int nr,
+                          struct buffer_head *bhs[], int flags,
+                          int (*validate)(struct super_block *sb,
+                                          struct buffer_head *bh));
+static inline int ocfs2_read_virt_block(struct inode *inode, u64 v_block,
+                                       struct buffer_head **bh,
+                                       int (*validate)(struct super_block *sb,
+                                                       struct buffer_head *bh))
+{
+       int status = 0;
+
+       if (bh == NULL) {
+               printk("ocfs2: bh == NULL\n");
+               status = -EINVAL;
+               goto bail;
+       }
+
+       status = ocfs2_read_virt_blocks(inode, v_block, 1, bh, 0, validate);
+
+bail:
+       return status;
+}
+
+
 #endif  /* _EXTENT_MAP_H */