Btrfs: Add an extent buffer LRU to reduce radix tree hits

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

1 files changed, 2 insertions, 3 deletions

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 87456ab74275..67e4aca36a62 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -443,8 +443,7 @@ static int drop_dirty_roots(struct btrfs_root *tree_root,
                         BUG_ON(ret);
                         mutex_unlock(&tree_root->fs_info->fs_mutex);
                         btrfs_btree_balance_dirty(tree_root, nr);
-                        schedule();
-
+                        cond_resched();
                         mutex_lock(&tree_root->fs_info->fs_mutex);
                 }
                 BUG_ON(ret);
@@ -471,7 +470,7 @@ static int drop_dirty_roots(struct btrfs_root *tree_root,
                 mutex_unlock(&tree_root->fs_info->fs_mutex);
 
                 btrfs_btree_balance_dirty(tree_root, nr);
-                schedule();
+                cond_resched();
         }
         return ret;
 }