Yet another respin of Leap 15.0 update kernel submission.
At this time, the additional fix for TSX security issue was applied on the top
(bsc#1121805).

- btrfs: quota: Set rescan progress to (u64)-1 if we hit last
leaf (bsc#1129327).
- commit de93501

- btrfs: qgroup: Cleanup old subtree swap code (bsc#1063638).
- commit 2cb2dcd

- btrfs: qgroup: Use delayed subtree rescan for balance
(bsc#1063638).
- Refresh
patches.suse/btrfs-suspend-qgroups-during-relocation-recovery.patch.
- commit e6256d6

- btrfs: qgroup: Introduce per-root swapped blocks infrastructure
(bsc#1063638).
- Refresh
patches.suse/btrfs-btrfs-use-the-new-VFS-super_block_dev.patch.
- Refresh
patches.suse/btrfs-suspend-qgroups-during-relocation-recovery.patch.
- commit 1212568

- btrfs: qgroup: Refactor btrfs_qgroup_trace_subtree_swap
(bsc#1063638).
- commit 0b42e54

- btrfs: relocation: Delay reloc tree deletion after
merge_reloc_roots (bsc#1063638).
- Refresh
patches.suse/btrfs-suspend-qgroups-during-relocation-recovery.patch.
- commit 9fc8971