Btrfs: Allow tree blocks larger than the page size

[linux-2.6-block.git] / fs / btrfs / extent_map.h

diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index 75dc600dc0f9e33ace0ea160f57bbcb97baf8225..4ef8bdd68348a058162fd2136413d1694b8bfa14 100644 (file)
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -70,7 +70,12 @@ struct extent_buffer {
        struct list_head list;
        struct list_head leak_list;
        struct page *first_page;
+       struct page *last_page;
        unsigned long alloc_addr;
+       char *map_token;
+       char *kaddr;
+       unsigned long map_start;
+       unsigned long map_len;
 };
 
 typedef struct extent_map *(get_extent_t)(struct inode *inode,
@@ -147,11 +152,6 @@ static inline void extent_buffer_get(struct extent_buffer *eb)
        atomic_inc(&eb->refs);
 }
 
-static inline u64 extent_buffer_blocknr(struct extent_buffer *eb)
-{
-       return eb->start / 4096;
-}
-
 int memcmp_extent_buffer(struct extent_buffer *eb, const void *ptrv,
                          unsigned long start,
                          unsigned long len);