From d5ea655376c471731845735dfe9a0bdfbe4492e9 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@sunset.davemloft.net>
Date: Thu, 17 Nov 2005 15:04:34 -0800
Subject: [PATCH] [COMPAT]: Add ext3 ioctl translations.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
So things like on-line resizing et al. work.
Based almost entirely upon a patch by Guido G�nther <agx@sigxcpu.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
fs/compat_ioctl.c | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index f07e60f9e102..991c00de5c4e 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -49,6 +49,8 @@
#include <linux/vt_kern.h>
#include <linux/fb.h>
#include <linux/ext2_fs.h>
+#include <linux/ext3_jbd.h>
+#include <linux/ext3_fs.h>
#include <linux/videodev.h>
#include <linux/netdevice.h>
#include <linux/raw.h>
@@ -134,6 +136,15 @@
/* Aiee. Someone does not find a difference between int and long */
#define EXT2_IOC32_GETFLAGS _IOR('f', 1, int)
#define EXT2_IOC32_SETFLAGS _IOW('f', 2, int)
+#define EXT3_IOC32_GETVERSION _IOR('f', 3, int)
+#define EXT3_IOC32_SETVERSION _IOR('f', 4, int)
+#define EXT3_IOC32_GETRSVSZ _IOR('f', 5, int)
+#define EXT3_IOC32_SETRSVSZ _IOW('f', 6, int)
+#define EXT3_IOC32_GROUP_EXTEND _IOW('f', 7, unsigned int)
+#ifdef CONFIG_JBD_DEBUG
+#define EXT3_IOC32_WAIT_FOR_READONLY _IOR('f', 99, int)
+#endif
+
#define EXT2_IOC32_GETVERSION _IOR('v', 1, int)
#define EXT2_IOC32_SETVERSION _IOW('v', 2, int)
@@ -180,6 +191,22 @@ static int do_ext2_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
}
+static int do_ext3_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+ /* These are just misnamed, they actually get/put from/to user an int */
+ switch (cmd) {
+ case EXT3_IOC32_GETVERSION: cmd = EXT3_IOC_GETVERSION; break;
+ case EXT3_IOC32_SETVERSION: cmd = EXT3_IOC_SETVERSION; break;
+ case EXT3_IOC32_GETRSVSZ: cmd = EXT3_IOC_GETRSVSZ; break;
+ case EXT3_IOC32_SETRSVSZ: cmd = EXT3_IOC_SETRSVSZ; break;
+ case EXT3_IOC32_GROUP_EXTEND: cmd = EXT3_IOC_GROUP_EXTEND; break;
+#ifdef CONFIG_JBD_DEBUG
+ case EXT3_IOC32_WAIT_FOR_READONLY: cmd = EXT3_IOC_WAIT_FOR_READONLY; break;
+#endif
+ }
+ return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
+}
+
struct video_tuner32 {
compat_int_t tuner;
char name[32];
@@ -2981,6 +3008,15 @@ HANDLE_IOCTL(EXT2_IOC32_GETFLAGS, do_ext2_ioctl)
HANDLE_IOCTL(EXT2_IOC32_SETFLAGS, do_ext2_ioctl)
HANDLE_IOCTL(EXT2_IOC32_GETVERSION, do_ext2_ioctl)
HANDLE_IOCTL(EXT2_IOC32_SETVERSION, do_ext2_ioctl)
+HANDLE_IOCTL(EXT3_IOC32_GETVERSION, do_ext3_ioctl)
+HANDLE_IOCTL(EXT3_IOC32_SETVERSION, do_ext3_ioctl)
+HANDLE_IOCTL(EXT3_IOC32_GETRSVSZ, do_ext3_ioctl)
+HANDLE_IOCTL(EXT3_IOC32_SETRSVSZ, do_ext3_ioctl)
+HANDLE_IOCTL(EXT3_IOC32_GROUP_EXTEND, do_ext3_ioctl)
+COMPATIBLE_IOCTL(EXT3_IOC_GROUP_ADD)
+#ifdef CONFIG_JBD_DEBUG
+HANDLE_IOCTL(EXT3_IOC32_WAIT_FOR_READONLY, do_ext3_ioctl)
+#endif
HANDLE_IOCTL(VIDIOCGTUNER32, do_video_ioctl)
HANDLE_IOCTL(VIDIOCSTUNER32, do_video_ioctl)
HANDLE_IOCTL(VIDIOCGWIN32, do_video_ioctl)
--
GitLab