ocfs2: Limit inode allocation to 32bits.

[linux-2.6-omap-h63xx.git] / fs / ocfs2 / suballoc.h

diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index dd0963695edc4497201ae9d5a5c982abc5268ba7..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);