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Commit d5ea6553 authored by David S. Miller's avatar David S. Miller
Browse files

[COMPAT]: Add ext3 ioctl translations. 



So things like on-line resizing et al. work.

Based almost entirely upon a patch by Guido Gnther <agx@sigxcpu.org>

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6b1de916

fs/compat_ioctl.c

+36 −0
Original line number Diff line number Diff line
@@ -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)