Btrfs: Avoid orphan inodes cleanup during committing transaction

btrfs_lookup_dentry may trigger orphan cleanup, so it's not good
to call it while committing a transaction.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 0 insertions, 4 deletions

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index b7b22c344b66..728e8fe5d2cc 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -796,7 +796,6 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
         memcpy(&pending->root_key, &key, sizeof(key));
 fail:
         kfree(new_root_item);
-        btrfs_unreserve_metadata_space(root, 6);
         return ret;
 }
 
@@ -808,7 +807,6 @@ static noinline int finish_pending_snapshot(struct btrfs_fs_info *fs_info,
         u64 index = 0;
         struct btrfs_trans_handle *trans;
         struct inode *parent_inode;
-        struct inode *inode;
         struct btrfs_root *parent_root;
 
         parent_inode = pending->dentry->d_parent->d_inode;
@@ -840,8 +838,6 @@ static noinline int finish_pending_snapshot(struct btrfs_fs_info *fs_info,
 
         BUG_ON(ret);
 
-        inode = btrfs_lookup_dentry(parent_inode, pending->dentry);
-        d_instantiate(pending->dentry, inode);
 fail:
         btrfs_end_transaction(trans, fs_info->fs_root);
         return ret;