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[XFS] Undo bit ops cleanup mod due to regression on 32-bit powermac

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platform.

SGI-PV: 971186
SGI-Modid: xfs-linux-melb:xfs-kern:30559a

Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
This commit is contained in:
Lachlan McIlroy
2008-02-26 17:00:22 +11:00
committed by Lachlan McIlroy
parent db69c915e6
commit ef8ece55d9
3 changed files with 120 additions and 29 deletions
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19
fs/xfs/xfs_rtalloc.c
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@@ -72,6 +72,18 @@ STATIC int xfs_rtmodify_summary(xfs_mount_t *, xfs_trans_t *, int,
* Internal functions.
*/
/*
* xfs_lowbit32: get low bit set out of 32-bit argument, -1 if none set.
*/
STATIC int
xfs_lowbit32(
__uint32_t v)
{
if (v)
return ffs(v) - 1;
return -1;
}
/*
* Allocate space to the bitmap or summary file, and zero it, for growfs.
*/
@@ -432,7 +444,6 @@ xfs_rtallocate_extent_near(
}
bbno = XFS_BITTOBLOCK(mp, bno);
i = 0;
ASSERT(minlen != 0);
log2len = xfs_highbit32(minlen);
/*
* Loop over all bitmap blocks (bbno + i is current block).
@@ -601,8 +612,6 @@ xfs_rtallocate_extent_size(
xfs_suminfo_t sum; /* summary information for extents */
ASSERT(minlen % prod == 0 && maxlen % prod == 0);
ASSERT(maxlen != 0);
/*
* Loop over all the levels starting with maxlen.
* At each level, look at all the bitmap blocks, to see if there
@@ -660,9 +669,6 @@ xfs_rtallocate_extent_size(
*rtblock = NULLRTBLOCK;
return 0;
}
ASSERT(minlen != 0);
ASSERT(maxlen != 0);
/*
* Loop over sizes, from maxlen down to minlen.
* This time, when we do the allocations, allow smaller ones
@@ -1948,7 +1954,6 @@ xfs_growfs_rt(
nsbp->sb_blocksize * nsbp->sb_rextsize);
nsbp->sb_rextents = nsbp->sb_rblocks;
do_div(nsbp->sb_rextents, nsbp->sb_rextsize);
ASSERT(nsbp->sb_rextents != 0);
nsbp->sb_rextslog = xfs_highbit32(nsbp->sb_rextents);
nrsumlevels = nmp->m_rsumlevels = nsbp->sb_rextslog + 1;
nrsumsize =