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Message-ID: <53396AC1.10108@gmail.com>
Date: Mon, 31 Mar 2014 21:16:49 +0800
From: Chen Gang <gang.chen.5i5j@...il.com>
To: tytso@....edu, adilger.kernel@...ger.ca
CC: linux-ext4@...r.kernel.org,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
gxt@...c.pku.edu.cn
Subject: [PATCH] fs/ext4/extents_status.c: fix 64-bit number truncation bug
'0x7FDEADBEEF' will be truncated to 32-bit number under unicore32. Need
append 'ULL' for it.
The related warning (with allmodconfig under unicore32):
CC [M] fs/ext4/extents_status.o
fs/ext4/extents_status.c: In function ‘__es_remove_extent’:
fs/ext4/extents_status.c:813: warning: integer constant is too large for ‘long’ type
Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
---
fs/ext4/extents_status.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c
index 0a014a7..0ebc212 100644
--- a/fs/ext4/extents_status.c
+++ b/fs/ext4/extents_status.c
@@ -810,7 +810,7 @@ retry:
newes.es_lblk = end + 1;
newes.es_len = len2;
- block = 0x7FDEADBEEF;
+ block = 0x7FDEADBEEFULL;
if (ext4_es_is_written(&orig_es) ||
ext4_es_is_unwritten(&orig_es))
block = ext4_es_pblock(&orig_es) +
--
1.7.9.5
--
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