X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Focfs2%2Fsuballoc.h;h=8799033bb459d9adc4b558d0e50c1b4a52562b61;hb=0feed274d2dfa2162d2c37c254eede96926d3717;hp=cafe93703095f187a5fadf825a6415c9d1837bad;hpb=402c79fb1944c8e003a32d07f31504b769fe2b52;p=linux-2.6-omap-h63xx.git

diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index cafe9370309..8799033bb45 100644
--- a/fs/ocfs2/suballoc.h
+++ b/fs/ocfs2/suballoc.h
@@ -147,4 +147,12 @@ static inline int ocfs2_is_cluster_bitmap(struct inode *inode)
 int ocfs2_reserve_cluster_bitmap_bits(struct ocfs2_super *osb,
 				      struct ocfs2_alloc_context *ac);
 
+/* given a cluster offset, calculate which block group it belongs to
+ * and return that block offset. */
+u64 ocfs2_which_cluster_group(struct inode *inode, u32 cluster);
+
+/* somewhat more expensive than our other checks, so use sparingly. */
+int ocfs2_check_group_descriptor(struct super_block *sb,
+				 struct ocfs2_dinode *di,
+				 struct ocfs2_group_desc *gd);
 #endif /* _CHAINALLOC_H_ */