Merge tag 'for-5.11-rc7-tag' of git://

Pull btrfs fix from David Sterba:
 "A regression fix caused by a refactoring in 5.11.

  A corrupted superblock wouldn't be detected by checksum verification
  due to wrongly placed initialization of the checksum length, thus
  making memcmp always work"

* tag 'for-5.11-rc7-tag' of git://
  btrfs: initialize fs_info::csum_size earlier in open_ctree