[PATCH] ext4: remove unnecessary operation in ext4_mb_normalize_group_request()

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From: Jing Zhang <zj.barak@xxxxxxxxx>

Date: Wed Mar 25  22:55:04   2010

Checking bug seems not at right place, and the function itself should
be inlined.

Cc: Theodore Ts'o <tytso@xxxxxxx>
Cc: Andreas Dilger <adilger@xxxxxxx>
Cc: Dave Kleikamp <shaggy@xxxxxxxxxxxxxxxxxx>
Cc: "Aneesh Kumar K. V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Jing Zhang <zj.barak@xxxxxxxxx>

---

--- linux-2.6.32/fs/ext4/mballoc.c	2009-12-03 11:51:22.000000000 +0800
+++ ext4_mm_leak/mballoc-10.c	2010-03-25 22:44:00.000000000 +0800
@@ -2786,9 +2786,7 @@ out_err:
 static void ext4_mb_normalize_group_request(struct ext4_allocation_context *ac)
 {
 	struct super_block *sb = ac->ac_sb;
-	struct ext4_locality_group *lg = ac->ac_lg;

-	BUG_ON(lg == NULL);
 	if (EXT4_SB(sb)->s_stripe)
 		ac->ac_g_ex.fe_len = EXT4_SB(sb)->s_stripe;
 	else
--
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