Fixes for 5.10-rc5: - Fix various deficiencies in online fsck's metadata checking code. - Fix an integer casting bug in the xattr code on 32-bit systems. - Fix a hang in an inode walk when the inode index is corrupt. - Fix error codes being dropped when initializing per-AG structures - Fix nowait directio writes that partially succeed but return EAGAIN. - Revert last week's rmap comparison patch because it was wrong.