1 files changed, 5 insertions, 2 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 2846cebc9427..aca3314ef8b9 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3000,8 +3000,7 @@ static void force_metadata_allocation(struct btrfs_fs_info *info)
         rcu_read_unlock();
 }
 
-static int should_alloc_chunk(struct btrfs_space_info *sinfo,
-                              u64 alloc_bytes)
+static int should_alloc_chunk(struct btrfs_space_info *sinfo, u64 alloc_bytes)
 {
         u64 num_bytes = sinfo->total_bytes - sinfo->bytes_readonly;
 
@@ -3013,6 +3012,10 @@ static int should_alloc_chunk(struct btrfs_space_info *sinfo,
             alloc_bytes < div_factor(num_bytes, 8))
                 return 0;
 
+        if (num_bytes > 256 * 1024 * 1024 &&
+            sinfo->bytes_used < div_factor(num_bytes, 3))
+                return 0;
+
         return 1;
 }