Author: kib
Date: Tue Jul 6 18:22:57 2010
New Revision: 209743
URL: http://svn.freebsd.org/changeset/base/209743
Log:
Calculate nshift only once.
Also noted by: avg
MFC after: 1 week
Modified:
head/sys/dev/md/md.c
Modified: head/sys/dev/md/md.c
==============================================================================
--- head/sys/dev/md/md.c Tue Jul 6 18:20:49 2010 (r209742)
+++ head/sys/dev/md/md.c Tue Jul 6 18:22:57 2010 (r209743)
@@ -255,7 +255,7 @@ dimension(off_t size)
{
off_t rcnt;
struct indir *ip;
- int i, layer;
+ int layer;
rcnt = size;
layer = 0;
@@ -263,9 +263,6 @@ dimension(off_t size)
rcnt /= NINDIR;
layer++;
}
- /* figure out log2(NINDIR) */
- for (i = NINDIR, nshift = -1; i; nshift++)
- i >>= 1;
/*
* XXX: the top layer is probably not fully populated, so we allocate
@@ -1220,6 +1217,11 @@ g_md_init(struct g_class *mp __unused)
caddr_t c;
u_char *ptr, *name, *type;
unsigned len;
+ int i;
+
+ /* figure out log2(NINDIR) */
+ for (i = NINDIR, nshift = -1; i; nshift++)
+ i >>= 1;
mod = NULL;
sx_init(&md_sx, "MD config lock");
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