linux-ext4 - [PATCH] ext4: remove quota allocation when ext4_mb_new

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Message-ID: <483F7450.7060004@cn.fujitsu.com>
Date:	Fri, 30 May 2008 11:28:16 +0800
From:	Shen Feng <shen@...fujitsu.com>
To:	linux-ext4@...r.kernel.org, cmm@...ibm.com,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH] ext4: remove quota allocation when ext4_mb_new_blocks fails


Quota allocation is not removed When ext4_mb_new_blocks
calls kmem_cache_alloc failed.

Signed-off-by: Shen Feng <shen@...fujitsu.com>
---
 fs/ext4/mballoc.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 6180ebc..2411db6 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4043,8 +4043,9 @@ ext4_fsblk_t ext4_mb_new_blocks(handle_t *handle,
 
 	ac = kmem_cache_alloc(ext4_ac_cachep, GFP_NOFS);
 	if (!ac) {
+		ar->len = 0;
 		*errp = -ENOMEM;
-		return 0;
+		goto out1;
 	}
 
 	ext4_mb_poll_new_transaction(sb, handle);
@@ -4052,7 +4053,7 @@ ext4_fsblk_t ext4_mb_new_blocks(handle_t *handle,
 	*errp = ext4_mb_initialize_context(ac, ar);
 	if (*errp) {
 		ar->len = 0;
-		goto out;
+		goto out2;
 	}
 
 	ac->ac_op = EXT4_MB_HISTORY_PREALLOC;
@@ -4100,11 +4101,12 @@ repeat:
 
 	ext4_mb_release_context(ac);
 
-out:
+out2:
+	kmem_cache_free(ext4_ac_cachep, ac);
+out1:
 	if (ar->len < inquota)
 		DQUOT_FREE_BLOCK(ar->inode, inquota - ar->len);
 
-	kmem_cache_free(ext4_ac_cachep, ac);
 	return block;
 }
 static void ext4_mb_poll_new_transaction(struct super_block *sb,
-- 
1.5.4.5
--
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