ocfs2: Add the 'inode64' mount option.

[karo-tx-linux.git] / fs / ocfs2 / suballoc.h

diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index 3f96c875bcf750d3d393e9952732030d8fc76428..4df159d8f450330d2a2b7ed200dd8ef48c6a0f53 100644 (file)
--- a/fs/ocfs2/suballoc.h
+++ b/fs/ocfs2/suballoc.h
@@ -28,10 +28,11 @@
 
 typedef int (group_search_t)(struct inode *,
                             struct buffer_head *,
-                            u32,
-                            u32,
-                            u16 *,
-                            u16 *);
+                            u32,                       /* bits_wanted */
+                            u32,                       /* min_bits */
+                            u64,                       /* max_block */
+                            u16 *,                     /* *bit_off */
+                            u16 *);                    /* *bits_found */
 
 struct ocfs2_alloc_context {
        struct inode *ac_inode;    /* which bitmap are we allocating from? */
@@ -51,6 +52,8 @@ struct ocfs2_alloc_context {
        group_search_t *ac_group_search;
 
        u64    ac_last_group;
+       u64    ac_max_block;  /* Highest block number to allocate. 0 is
+                                is the same as ~0 - unlimited */
 };
 
 void ocfs2_free_alloc_context(struct ocfs2_alloc_context *ac);
@@ -67,6 +70,9 @@ static inline int ocfs2_alloc_context_bits_left(struct ocfs2_alloc_context *ac)
 int ocfs2_reserve_new_metadata(struct ocfs2_super *osb,
                               struct ocfs2_extent_list *root_el,
                               struct ocfs2_alloc_context **ac);
+int ocfs2_reserve_new_metadata_blocks(struct ocfs2_super *osb,
+                                     int blocks,
+                                     struct ocfs2_alloc_context **ac);
 int ocfs2_reserve_new_inode(struct ocfs2_super *osb,
                            struct ocfs2_alloc_context **ac);
 int ocfs2_reserve_clusters(struct ocfs2_super *osb,
@@ -162,4 +168,8 @@ u64 ocfs2_which_cluster_group(struct inode *inode, u32 cluster);
 int ocfs2_check_group_descriptor(struct super_block *sb,
                                 struct ocfs2_dinode *di,
                                 struct ocfs2_group_desc *gd);
+int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_extent_tree *et,
+                         u32 clusters_to_add, u32 extents_to_split,
+                         struct ocfs2_alloc_context **data_ac,
+                         struct ocfs2_alloc_context **meta_ac);
 #endif /* _CHAINALLOC_H_ */