wait_event(ordered->wait, test_bit(BTRFS_ORDERED_IO_DONE,
&ordered->flags));
- list_add_tail(&ordered->trans_list, &trans->ordered);
+ /*
+ * If our ordered extent completed it means it updated the
+ * fs/subvol and csum trees already, so no need to make the
+ * current transaction's commit wait for it, as we end up
+ * holding memory unnecessarily and delaying the inode's iput
+ * until the transaction commit (we schedule an iput for the
+ * inode when the ordered extent's refcount drops to 0), which
+ * prevents it from being evictable until the transaction
+ * commits.
+ */
+ if (test_bit(BTRFS_ORDERED_COMPLETE, &ordered->flags))
+ btrfs_put_ordered_extent(ordered);
+ else
+ list_add_tail(&ordered->trans_list, &trans->ordered);
+
spin_lock_irq(&log->log_extents_lock[index]);
}
spin_unlock_irq(&log->log_extents_lock[index]);