diff options
Diffstat (limited to 'fs/btrfs/transaction.c')
-rw-r--r-- | fs/btrfs/transaction.c | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 682acdd7c132..77f8175d464b 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -1565,45 +1565,6 @@ static noinline int commit_fs_roots(struct btrfs_trans_handle *trans) } /* - * defrag a given btree. - * Every leaf in the btree is read and defragged. - */ -int btrfs_defrag_root(struct btrfs_root *root) -{ - struct btrfs_fs_info *info = root->fs_info; - struct btrfs_trans_handle *trans; - int ret; - - if (test_and_set_bit(BTRFS_ROOT_DEFRAG_RUNNING, &root->state)) - return 0; - - while (1) { - trans = btrfs_start_transaction(root, 0); - if (IS_ERR(trans)) { - ret = PTR_ERR(trans); - break; - } - - ret = btrfs_defrag_leaves(trans, root); - - btrfs_end_transaction(trans); - btrfs_btree_balance_dirty(info); - cond_resched(); - - if (btrfs_fs_closing(info) || ret != -EAGAIN) - break; - - if (btrfs_defrag_cancelled(info)) { - btrfs_debug(info, "defrag_root cancelled"); - ret = -EAGAIN; - break; - } - } - clear_bit(BTRFS_ROOT_DEFRAG_RUNNING, &root->state); - return ret; -} - -/* * Do all special snapshot related qgroup dirty hack. * * Will do all needed qgroup inherit and dirty hack like switch commit |