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| author | kib <kib@FreeBSD.org> | 2010-07-06 18:22:57 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2010-07-06 18:22:57 +0000 |
| commit | cc677e94f4cecf1cc7bc0727de237d871580017e (patch) | |
| tree | c7c3008084c4d98ad1ccfb83511f28602e2d8d40 | |
| parent | 15d16124c27c4ef7f603e2c4c45f95cceec5d782 (diff) | |
| download | FreeBSD-src-cc677e94f4cecf1cc7bc0727de237d871580017e.zip FreeBSD-src-cc677e94f4cecf1cc7bc0727de237d871580017e.tar.gz | |
Calculate nshift only once.
Also noted by: avg
MFC after: 1 week
| -rw-r--r-- | sys/dev/md/md.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/sys/dev/md/md.c b/sys/dev/md/md.c index d4f1451..1fde20f 100644 --- a/sys/dev/md/md.c +++ b/sys/dev/md/md.c @@ -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"); |
