ocfs2: plug truncate into cached dealloc routines

[linux-2.6-block.git] / fs / ocfs2 / suballoc.h

diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index 1a3c94cb92508c8ef7631bc6e363894ef9d75874..f212dc01a84bd83088f5f7a70460a44efddc1b4a 100644 (file)
--- a/fs/ocfs2/suballoc.h
+++ b/fs/ocfs2/suballoc.h
@@ -86,20 +86,29 @@ int ocfs2_claim_clusters(struct ocfs2_super *osb,
                         u32 *cluster_start,
                         u32 *num_clusters);
 
+int ocfs2_free_suballoc_bits(handle_t *handle,
+                            struct inode *alloc_inode,
+                            struct buffer_head *alloc_bh,
+                            unsigned int start_bit,
+                            u64 bg_blkno,
+                            unsigned int count);
 int ocfs2_free_dinode(handle_t *handle,
                      struct inode *inode_alloc_inode,
                      struct buffer_head *inode_alloc_bh,
                      struct ocfs2_dinode *di);
-int ocfs2_free_extent_block(handle_t *handle,
-                           struct inode *eb_alloc_inode,
-                           struct buffer_head *eb_alloc_bh,
-                           struct ocfs2_extent_block *eb);
 int ocfs2_free_clusters(handle_t *handle,
                        struct inode *bitmap_inode,
                        struct buffer_head *bitmap_bh,
                        u64 start_blk,
                        unsigned int num_clusters);
 
+static inline u64 ocfs2_which_suballoc_group(u64 block, unsigned int bit)
+{
+       u64 group = block - (u64) bit;
+
+       return group;
+}
+
 static inline u32 ocfs2_cluster_from_desc(struct ocfs2_super *osb,
                                          u64 bg_blkno)
 {