From 094b96558749be4a82f61aa2b38daca1fe7c631e Mon Sep 17 00:00:00 2001
From: Yongqiang Yang <xiaoqiangnk@gmail.com>
Date: Sun, 23 Sep 2012 23:10:51 -0400
Subject: [PATCH] --- yaml --- r: 331593 b: refs/heads/master c:
 838cd0cf9af52e034ee81513642083bbe8e4ddb1 h: refs/heads/master i:   331591:
 f2f6a285778afcb968d05f0e3e40b152a9f6b585 v: v3

---
 [refs]                  | 2 +-
 trunk/fs/ext4/mballoc.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 51db00884bf5..9df4c9549253 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 50df9fd55e4271e89a7adf3b1172083dd0ca199d
+refs/heads/master: 838cd0cf9af52e034ee81513642083bbe8e4ddb1
diff --git a/trunk/fs/ext4/mballoc.c b/trunk/fs/ext4/mballoc.c
index 2c7c082b8169..bb821a924049 100644
--- a/trunk/fs/ext4/mballoc.c
+++ b/trunk/fs/ext4/mballoc.c
@@ -1660,10 +1660,13 @@ int ext4_mb_find_by_goal(struct ext4_allocation_context *ac,
 	int max;
 	int err;
 	struct ext4_sb_info *sbi = EXT4_SB(ac->ac_sb);
+	struct ext4_group_info *grp = ext4_get_group_info(ac->ac_sb, group);
 	struct ext4_free_extent ex;
 
 	if (!(ac->ac_flags & EXT4_MB_HINT_TRY_GOAL))
 		return 0;
+	if (grp->bb_free == 0)
+		return 0;
 
 	err = ext4_mb_load_buddy(ac->ac_sb, group, e4b);
 	if (err)