On Tue, Apr 10, 2012 at 12:32:00AM +0300, Leho Kraav wrote:
> It is also BUG time WITH the patch. Mount succeeds, but "btrfs fi balance
> HOME" gives us:
>
> Apr 10 00:24:18 server sudo: pam_unix(sudo:session): session opened for user
> > root by (uid=1000)
> Apr 10 00:24:18 server kernel: [ 363.839105] ------------[ cut here >
> ]------------
> Apr 10 00:24:18 server kernel: [ 363.839163] kernel BUG at >
> fs/btrfs/volumes.c:2733!
that's
2732 if (!(bctl->flags & BTRFS_BALANCE_RESUME)) {
2733 BUG_ON(ret == -EEXIST);
^^^^
2734 set_balance_control(bctl);
2735 } else {
2736 BUG_ON(ret != -EEXIST);
2737 spin_lock(&fs_info->balance_lock);
2738 update_balance_args(bctl);
2739 spin_unlock(&fs_info->balance_lock);
2740 }
IIRC somebody reported similar problem recently. It basically means
there's an inconsistent balance state. Adding Ilya to CC.
david
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