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[04/18] btrfs: Simplify btrfs_item_ptr macro

Message ID 4BAB573A.3080003@cn.fujitsu.com (mailing list archive)
State New, archived
Headers show

Commit Message

Miao Xie March 25, 2010, 12:29 p.m. UTC
None
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Patch

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 1111584..72228b2 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1947,13 +1947,11 @@  static inline u32 btrfs_level_size(struct btrfs_root *root, int level)
 }
 
 /* helper function to cast into the data area of the leaf. */
-#define btrfs_item_ptr(leaf, slot, type) \
-	((type *)(btrfs_leaf_data(leaf) + \
-	btrfs_item_offset_nr(leaf, slot)))
-
 #define btrfs_item_ptr_offset(leaf, slot) \
 	((unsigned long)(btrfs_leaf_data(leaf) + \
 	btrfs_item_offset_nr(leaf, slot)))
+#define btrfs_item_ptr(leaf, slot, type) \
+	((type *)btrfs_item_ptr_offset(leaf, slot))
 
 static inline struct dentry *fdentry(struct file *file)
 {