linux-ext4 - [PATCH] ext3: fix incorrect block reservation on quota transfer. [V2]

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Message-id: <1260317131-13562-2-git-send-email-dmonakhov@openvz.org>
Date:	Wed, 09 Dec 2009 03:05:31 +0300
From:	Dmitry Monakhov <dmonakhov@...nvz.org>
To:	linux-ext4@...r.kernel.org
Cc:	Dmitry Monakhov <dmonakhov@...nvz.org>
Subject: [PATCH] ext3: fix incorrect block reservation on quota transfer. [V2]

Inside ->setattr() call  both ATTR_UID and ATTR_GID may be valid
This means that we end-up with transering all quotas. Add we have
to reserve QUOTA_DEL_BLOCKS for all quotas, as we do in case of
QUOTA_INIT_BLOCKS.

Signed-off-by: Dmitry Monakhov <dmonakhov@...nvz.org>
---
 fs/ext3/inode.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index d8951fb..5aa3391 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -3137,7 +3137,7 @@ int ext3_setattr(struct dentry *dentry, struct iattr *attr)
 		/* (user+group)*(old+new) structure, inode write (sb,
 		 * inode block, ? - but truncate inode update has it) */
 		handle = ext3_journal_start(inode, EXT3_MAXQUOTAS_INIT_BLOCKS(inode->i_sb)+
-					EXT3_QUOTA_DEL_BLOCKS(inode->i_sb)+3);
+					EXT3_MAXQUOTAS_DEL_BLOCKS(inode->i_sb)+3);
 		if (IS_ERR(handle)) {
 			error = PTR_ERR(handle);
 			goto err_out;
-- 
1.6.0.4

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