Btrfs: fix wrong orphan count of the fs/file tree

If we add a new orphan item, we should increase the atomic counter,
not decrease it. Fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 878116d..a6824bd 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2228,7 +2228,7 @@ int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct inode *inode)
                        insert = 1;
 #endif
                insert = 1;
-               atomic_dec(&root->orphan_inodes);
+               atomic_inc(&root->orphan_inodes);
        }
 
        if (!test_and_set_bit(BTRFS_INODE_ORPHAN_META_RESERVED,