Date: Tue, 6 Jul 2010 18:22:57 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r209743 - head/sys/dev/md Message-ID: <201007061822.o66IMv32048047@svn.freebsd.org>
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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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