Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 fixes from Ted Ts'o:
 "Fix two regressions in ext4 and a number of issues reported by syzbot"

* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: enable the lazy init thread when remounting read/write
  ext4: fix fsync for non-directories
  ext4: add lockdep annotations for i_data_sem for ea_inode's
  ext4: disallow ea_inodes with extended attributes
  ext4: set lockdep subclass for the ea_inode in ext4_xattr_inode_cache_find()
  ext4: add EA_INODE checking to ext4_iget()