From: Coywolf Qi Hunt <qiyong@freeforge.net>
Date: Tue, 3 Oct 2006 08:15:50 +0000 (-0700)
Subject: [PATCH] md: remove unnecessary variable x in stripe_to_pdidx()
X-Git-Tag: v2.6.19-rc1~246
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d2063ceae73660d5142f4754d50a75b655fd1f9;p=linux-2.6

[PATCH] md: remove unnecessary variable x in stripe_to_pdidx()

Signed-off-by: Coywolf Qi Hunt <qiyong@freeforge.net>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 1c8ab340a1..46fd651539 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -1351,10 +1351,9 @@ static int page_is_zero(struct page *p)
 static int stripe_to_pdidx(sector_t stripe, raid5_conf_t *conf, int disks)
 {
 	int sectors_per_chunk = conf->chunk_size >> 9;
-	sector_t x = stripe;
 	int pd_idx, dd_idx;
-	int chunk_offset = sector_div(x, sectors_per_chunk);
-	stripe = x;
+	int chunk_offset = sector_div(stripe, sectors_per_chunk);
+
 	raid5_compute_sector(stripe*(disks-1)*sectors_per_chunk
 			     + chunk_offset, disks, disks-1, &dd_idx, &pd_idx, conf);
 	return pd_idx;