X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Focfs2%2Fsuballoc.h;h=8799033bb459d9adc4b558d0e50c1b4a52562b61;hb=197cd65accc6a274dabcd81f4811ba5d9a4856df;hp=cafe93703095f187a5fadf825a6415c9d1837bad;hpb=a2883dfa2e4a94b24109b2bfe735561e50cc44b4;p=linux-2.6

diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index cafe937030..8799033bb4 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_ */