btrfs: shrink the size of struct btrfs_delayed_item

[sfrench/cifs-2.6.git] / fs / btrfs / delayed-inode.h

diff --git a/fs/btrfs/delayed-inode.h b/fs/btrfs/delayed-inode.h
index fd6fe785f748312d54cfd2ac37006bd61e919017..dd0dbb6668e57a447cbde83842bd4153d7a55815 100644 (file)
--- a/fs/btrfs/delayed-inode.h
+++ b/fs/btrfs/delayed-inode.h
@@ -16,9 +16,10 @@
 #include <linux/refcount.h>
 #include "ctree.h"
 
-/* types of the delayed item */
-#define BTRFS_DELAYED_INSERTION_ITEM   1
-#define BTRFS_DELAYED_DELETION_ITEM    2
+enum btrfs_delayed_item_type {
+       BTRFS_DELAYED_INSERTION_ITEM,
+       BTRFS_DELAYED_DELETION_ITEM
+};
 
 struct btrfs_delayed_root {
        spinlock_t lock;
@@ -80,8 +81,9 @@ struct btrfs_delayed_item {
        u64 bytes_reserved;
        struct btrfs_delayed_node *delayed_node;
        refcount_t refs;
-       int ins_or_del;
-       u32 data_len;
+       enum btrfs_delayed_item_type type:8;
+       /* The maximum leaf size is 64K, so u16 is more than enough. */
+       u16 data_len;
        char data[];
 };