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Date:	Fri, 13 Apr 2012 09:22:37 +0800
From:	Zheng Liu <>
	Zheng Liu <>
Subject: [PATCH RESEND] ext4: change return value from int to ssize_t in ext4_file_write

On 64-platform, when we do a write operation with a huge number of data, it
will cause that the ret variable overflows.  So it is replaced with ssize_t.

Reported-by: Jouni Siren <>
Reviewed-by: Jan Kara <>
Signed-off-by: Zheng Liu <>
Hi Jan,

You are right.  I have changed the commit log.  ;-)


 fs/ext4/file.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index cb70f18..8c7642a 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -95,7 +95,7 @@ ext4_file_write(struct kiocb *iocb, const struct iovec *iov,
 	struct inode *inode = iocb->ki_filp->f_path.dentry->d_inode;
 	int unaligned_aio = 0;
-	int ret;
+	ssize_t ret;
 	 * If we have encountered a bitmap-format file, the size limit

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