Btrfs: extent_map optimizations to cut down on CPU usage

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

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index 52a8b9394fc6..f1dc28d260eb 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -75,7 +75,7 @@ struct extent_buffer {
         char *kaddr;
         unsigned long map_start;
         unsigned long map_len;
-        struct page *last_page;
+        struct page *first_page;
         struct list_head lru;
         atomic_t refs;
         int flags;