Subject: Rework btrfs_file_write to only allocate while page locks are held

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index cd4f1d140385..b5b99a85763f 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -279,6 +279,7 @@ static int drop_dirty_roots(struct btrfs_root *tree_root,
                 BUG_ON(ret);
                 kfree(dirty);
                 mutex_unlock(&tree_root->fs_info->fs_mutex);
+                btrfs_btree_balance_dirty(tree_root);
         }
         return 0;
 }