linux-kernel - [PATCH] UBIFS: fix budgeting request alignment in xattr code

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Message-Id: <1218622675-28853-27-git-send-email-dedekind@infradead.org>
Date:	Wed, 13 Aug 2008 13:17:55 +0300
From:	Artem Bityutskiy <dedekind@...radead.org>
To:	linux-kernel@...r.kernel.org
Cc:	Adrian Hunter <ext-adrian.hunter@...ia.com>,
	Zoltan Sogor <weth@....u-szeged.hu>,
	Christoph Hellwig <hch@....de>
Subject: [PATCH] UBIFS: fix budgeting request alignment in xattr code

From: Zoltan Sogor <weth@....u-szeged.hu>

Data length has to be aligned in the budgeting request. Code
in xattr.c did not do this.

Signed-off-by: Zoltan Sogor <weth@....u-szeged.hu>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@...ia.com>
---
 fs/ubifs/xattr.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c
index 39e831d..6f493de 100644
--- a/fs/ubifs/xattr.c
+++ b/fs/ubifs/xattr.c
@@ -103,8 +103,8 @@ static int create_xattr(struct ubifs_info *c, struct inode *host,
 	struct inode *inode;
 	struct ubifs_inode *ui, *host_ui = ubifs_inode(host);
 	struct ubifs_budget_req req = { .new_ino = 1, .new_dent = 1,
-				.new_ino_d = size, .dirtied_ino = 1,
-				.dirtied_ino_d = ALIGN(host_ui->data_len, 8)};
+				.new_ino_d = ALIGN(size, 8), .dirtied_ino = 1,
+				.dirtied_ino_d = ALIGN(host_ui->data_len, 8) };
 
 	if (host_ui->xattr_cnt >= MAX_XATTRS_PER_INODE)
 		return -ENOSPC;
@@ -200,7 +200,7 @@ static int change_xattr(struct ubifs_info *c, struct inode *host,
 	struct ubifs_inode *host_ui = ubifs_inode(host);
 	struct ubifs_inode *ui = ubifs_inode(inode);
 	struct ubifs_budget_req req = { .dirtied_ino = 2,
-				.dirtied_ino_d = size + host_ui->data_len };
+		.dirtied_ino_d = ALIGN(size, 8) + ALIGN(host_ui->data_len, 8) };
 
 	ubifs_assert(ui->data_len == inode->i_size);
 	err = ubifs_budget_space(c, &req);
@@ -497,8 +497,8 @@ static int remove_xattr(struct ubifs_info *c, struct inode *host,
 	int err;
 	struct ubifs_inode *host_ui = ubifs_inode(host);
 	struct ubifs_inode *ui = ubifs_inode(inode);
-	struct ubifs_budget_req req = { .dirtied_ino = 1, .mod_dent = 1,
-					.dirtied_ino_d = host_ui->data_len };
+	struct ubifs_budget_req req = { .dirtied_ino = 2, .mod_dent = 1,
+				.dirtied_ino_d = ALIGN(host_ui->data_len, 8) };
 
 	ubifs_assert(ui->data_len == inode->i_size);
 
-- 
1.5.4.1

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