linux-kernel - [PATCH 1/2] kernel_read: redefine offset type

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Date:	Fri, 21 Aug 2009 14:32:48 -0400
From:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	James Morris <jmorris@...ei.org>,
	Roland Kletzing <devzero@....de>,
	"<David Safford" <safford@...son.ibm.com>, stable@...nel.org,
	Mimi Zohar <zohar@...ibm.com>
Subject: [PATCH 1/2] kernel_read: redefine offset type

vfs_read() offset is defined as loff_t, but kernel_read()
offset is only defined as unsigned long. Redefine
kernel_read() offset as loff_t.

Cc: stable@...nel.org
Signed-off-by: Mimi Zohar <zohar@...ibm.com>
---
 fs/exec.c          |    4 ++--
 include/linux/fs.h |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/exec.c b/fs/exec.c
index 4a8849e..fb4f3cd 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -678,8 +678,8 @@ exit:
 }
 EXPORT_SYMBOL(open_exec);
 
-int kernel_read(struct file *file, unsigned long offset,
-	char *addr, unsigned long count)
+int kernel_read(struct file *file, loff_t offset,
+		char *addr, unsigned long count)
 {
 	mm_segment_t old_fs;
 	loff_t pos = offset;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 67888a9..73e9b64 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2123,7 +2123,7 @@ extern struct file *do_filp_open(int dfd, const char *pathname,
 		int open_flag, int mode, int acc_mode);
 extern int may_open(struct path *, int, int);
 
-extern int kernel_read(struct file *, unsigned long, char *, unsigned long);
+extern int kernel_read(struct file *, loff_t, char *, unsigned long);
 extern struct file * open_exec(const char *);
  
 /* fs/dcache.c -- generic fs support functions */
-- 
1.6.0.6

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