kern/50190: UFS_DIRHASH and FFS_EI don't work together

[dholland%netbsd.org@localhost]

>Number:         50190
>Category:       kern
>Synopsis:       UFS_DIRHASH and FFS_EI don't work together
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Sep 02 06:05:00 +0000 2015
>Originator:     David A. Holland
>Release:        NetBSD 7.99.20 (~20150828)
>Organization:
>Environment:
System: NetBSD macaran 7.99.20 NetBSD 7.99.20 (MACARAN) #30: Mon Jul 27 20:25:15 EDT 2015  dholland@macaran:/usr/src/sys/arch/amd64/compile/MACARAN amd64
Architecture: x86_64
Machine: amd64
>Description:

UFS_DIRHASH doesn't work on opposite-endian volumes.

>How-To-Repeat:

Read ufs_dirhash.c; notice a lack of byte swapping accessing struct
direct.

>Fix:

straightforward but tedious.