Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog

[~andy/linux] / fs / ocfs2 / extent_map.h

diff --git a/fs/ocfs2/extent_map.h b/fs/ocfs2/extent_map.h
index 0031c59c347f3f33440211a983e8a81189b8de4a..de91e3e41a224ac7f1eb39f1e35bdd22034d811a 100644 (file)
--- a/fs/ocfs2/extent_map.h
+++ b/fs/ocfs2/extent_map.h
@@ -25,9 +25,29 @@
 #ifndef _EXTENT_MAP_H
 #define _EXTENT_MAP_H
 
+struct ocfs2_extent_map_item {
+       unsigned int                    ei_cpos;
+       unsigned int                    ei_phys;
+       unsigned int                    ei_clusters;
+       unsigned int                    ei_flags;
+
+       struct list_head                ei_list;
+};
+
+#define OCFS2_MAX_EXTENT_MAP_ITEMS                     3
+struct ocfs2_extent_map {
+       unsigned int                    em_num_items;
+       struct list_head                em_list;
+};
+
+void ocfs2_extent_map_init(struct inode *inode);
+void ocfs2_extent_map_trunc(struct inode *inode, unsigned int cluster);
+void ocfs2_extent_map_insert_rec(struct inode *inode,
+                                struct ocfs2_extent_rec *rec);
+
 int ocfs2_get_clusters(struct inode *inode, u32 v_cluster, u32 *p_cluster,
                       u32 *num_clusters, unsigned int *extent_flags);
 int ocfs2_extent_map_get_blocks(struct inode *inode, u64 v_blkno, u64 *p_blkno,
-                               int *ret_count, unsigned int *extent_flags);
+                               u64 *ret_count, unsigned int *extent_flags);
 
 #endif  /* _EXTENT_MAP_H */