Btrfs: Allow tree blocks larger than the page size

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index 75dc600dc0f9..4ef8bdd68348 100644
--- 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);