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

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

1 files changed, 0 insertions, 3 deletions

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 08ddf1873ab1..bef61ee883e1 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -88,8 +88,6 @@ static int __btrfs_cow_block(struct btrfs_trans_handle *trans,
         if (IS_ERR(cow))
                 return PTR_ERR(cow);
 
-        cow->alloc_addr = (unsigned long)__builtin_return_address(0);
-
         copy_extent_buffer(cow, buf, 0, 0, cow->len);
         btrfs_set_header_bytenr(cow, cow->start);
         btrfs_set_header_generation(cow, trans->transid);
@@ -151,7 +149,6 @@ int btrfs_cow_block(struct btrfs_trans_handle *trans,
         search_start = buf->start & ~((u64)BTRFS_BLOCK_GROUP_SIZE - 1);
         ret = __btrfs_cow_block(trans, root, buf, parent,
                                  parent_slot, cow_ret, search_start, 0);
-        (*cow_ret)->alloc_addr = (unsigned long)__builtin_return_address(0);
         return ret;
 }