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TAKE 915567 - fix xfs_lowbit64

To: linux-xfs@xxxxxxxxxxx, sgi.bugs.xfs@xxxxxxxxxxxx
Subject: TAKE 915567 - fix xfs_lowbit64
From: Nathan Scott <nathans@xxxxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 4 Jun 2004 16:47:29 +1000 (EST)
Sender: linux-xfs-bounce@xxxxxxxxxxx
Fix xfs_lowbit64, it mishandled zero in the high bits.
Cleanup a couple of other ffs users, since ffs(0) is apparently
undefined on some architectures.

Date:  Thu Jun  3 23:43:07 PDT 2004
Workarea:  snort.melbourne.sgi.com:/home/nathans/ultra-clean-xfs-linux
Inspected by:  tes@xxxxxxx

The following file(s) were checked into:
  bonnie.engr.sgi.com:/isms/xfs-kern/xfs-linux


Modid:  xfs-linux:xfs-kern:173034a
xfs_bit.c - 1.27
xfs_rtalloc.c - 1.90


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