Btrfs: separate sequence numbers for delayed ref tracking and tree mod log

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

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 37c4da3403d0655ba9dcc2c38bb7dbea8e2b6ab1..2c48f52aba405e15a82473008dfa2188938bca40 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1422,7 +1422,7 @@ struct btrfs_fs_info {
 
        /* this protects tree_mod_seq_list */
        spinlock_t tree_mod_seq_lock;
-       atomic_t tree_mod_seq;
+       atomic64_t tree_mod_seq;
        struct list_head tree_mod_seq_list;
        struct seq_list tree_mod_seq_elem;
 
@@ -3332,10 +3332,7 @@ u64 btrfs_get_tree_mod_seq(struct btrfs_fs_info *fs_info,
                           struct seq_list *elem);
 void btrfs_put_tree_mod_seq(struct btrfs_fs_info *fs_info,
                            struct seq_list *elem);
-static inline u64 btrfs_inc_tree_mod_seq(struct btrfs_fs_info *fs_info)
-{
-       return atomic_inc_return(&fs_info->tree_mod_seq);
-}
+u64 btrfs_tree_mod_seq_prev(u64 seq);
 int btrfs_old_root_level(struct btrfs_root *root, u64 time_seq);
 
 /* root-item.c */