xfs: fixes for 6.4-rc5 This update contains: - Propagate unlinked inode list corruption back up to log recovery (regression fix). - improve corruption detection for AGFL entries, AGFL indexes and XEFI extents (syzkaller fuzzer oops report). - Avoid double perag reference release (regression fix). - Improve extent merging detection in scrub (regression fix). - Fix a new undefined high bit shift (regression fix). - Fix for AGF vs inode cluster buffer deadlock (regression fix).