From 45dc63e7d8412546567399b94caeb683af58843e Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Thu, 20 Oct 2011 20:07:23 -0400
Subject: [PATCH] ext4: Allow quota file use root reservation

Quota file is fs's metadata, so it is reasonable  to permit use
root resevation if necessary. This patch fix 265'th xfstest failure

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/mballoc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 8c005c0282030..cd70b3041185e 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4291,6 +4291,10 @@ ext4_fsblk_t ext4_mb_new_blocks(handle_t *handle,
 
 	trace_ext4_request_blocks(ar);
 
+	/* Allow to use superuser reservation for quota file */
+	if (IS_NOQUOTA(ar->inode))
+		ar->flags |= EXT4_MB_USE_ROOT_BLOCKS;
+
 	/*
 	 * For delayed allocation, we could skip the ENOSPC and
 	 * EDQUOT check, as blocks and quotas have been already
-- 
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