On Fri, 09 Sep 2016 16:17:48 +0800, Wang Xiaoguang wrote: > cleaner_kthread() may run at any time, in which it'll call btrfs_delete_unused_bgs() > to delete unused block groups. Because this work is asynchronous, it may also result > in false ENOSPC error. <snip> With this v3 I can now no longer balance (tested only with metadata). New chunks are allocated (as balance does) but nothing ever shrinks, until after unmount/remount, when the cleaner eventually kicks in. This might be related to the recent patch by Naohiro Aota: "btrfs: let btrfs_delete_unused_bgs() to clean relocated bgs" which by itself doesn't seem to do any harm (i.e. everything still seems to work as expected). -h -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
