X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Focfs2%2Fextent_map.h;h=de91e3e41a224ac7f1eb39f1e35bdd22034d811a;hb=a9deecba19b8f384d97f82c75379da48bccb2588;hp=625d0ee5e04a5e16876672092fde54a6c1623006;hpb=9517bac6cc7a7aa4fee63cb38a32cb6014e264c7;p=linux-2.6

diff --git a/fs/ocfs2/extent_map.h b/fs/ocfs2/extent_map.h
index 625d0ee5e0..de91e3e41a 100644
--- 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);
+		       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);
+				u64 *ret_count, unsigned int *extent_flags);
 
 #endif  /* _EXTENT_MAP_H */