Btrfs: Add run time btree defrag, and an ioctl to force btree defrag

[firefly-linux-kernel-4.4.55.git] / fs / btrfs / transaction.h

diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index ebf44f3e1118c0477b8311b23342885540fa79b9..8b2714e65562985ee64f01fb11c11e5e4eb8ea51 100644 (file)
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -70,5 +70,6 @@ void btrfs_transaction_queue_work(struct btrfs_root *root, int delay);
 void btrfs_init_transaction_sys(void);
 void btrfs_exit_transaction_sys(void);
 int btrfs_add_dead_root(struct btrfs_root *root, struct list_head *dead_list);
+int btrfs_defrag_dirty_roots(struct btrfs_fs_info *info);
 
 #endif