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[PATCH] BLOCK: Move the Ext3 device ioctl compat stuff to the Ext3 driver [try #6] 

Move the Ext3 device ioctl compat stuff from fs/compat_ioctl.c to the Ext3
driver so that the Ext3 header file doesn't need to be included.

Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
David Howells 2006-08-29 19:06:23 +01:00 committed by Jens Axboe
parent e322ff07fb
commit 52a700c567
5 changed files with 66 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
fs/compat_ioctl.c
View File

@ -45,8 +45,6 @@
#include <linux/tty.h>
#include <linux/vt_kern.h>
#include <linux/fb.h>
#include <linux/ext3_jbd.h>
#include <linux/ext3_fs.h>
#include <linux/videodev.h>
#include <linux/netdevice.h>
#include <linux/raw.h>
@ -158,22 +156,6 @@ static int rw_long(unsigned int fd, unsigned int cmd, unsigned long arg)
return err;
}
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 compat_video_event {
int32_t type;
compat_time_t timestamp;
@ -2712,15 +2694,6 @@ HANDLE_IOCTL(PIO_UNIMAP, do_unimap_ioctl)
HANDLE_IOCTL(GIO_UNIMAP, do_unimap_ioctl)
HANDLE_IOCTL(KDFONTOP, do_kdfontop_ioctl)
#endif
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
/* One SMB ioctl needs translations. */
#define SMB_IOC_GETMOUNTUID_32 _IOR('u', 1, compat_uid_t)
HANDLE_IOCTL(SMB_IOC_GETMOUNTUID_32, do_smb_getmountuid)

3
fs/ext3/dir.c
View File

@ -44,6 +44,9 @@ const struct file_operations ext3_dir_operations = {
.read = generic_read_dir,
.readdir = ext3_readdir, /* we take BKL. needed?*/
.ioctl = ext3_ioctl, /* BKL held */
#ifdef CONFIG_COMPAT
.compat_ioctl = ext3_compat_ioctl,
#endif
.fsync = ext3_sync_file, /* BKL held */
#ifdef CONFIG_EXT3_INDEX
.release = ext3_release_dir,

3
fs/ext3/file.c
View File

@ -114,6 +114,9 @@ const struct file_operations ext3_file_operations = {
.readv = generic_file_readv,
.writev = generic_file_writev,
.ioctl = ext3_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = ext3_compat_ioctl,
#endif
.mmap = generic_file_mmap,
.open = generic_file_open,
.release = ext3_release_file,

55
fs/ext3/ioctl.c
View File

@ -13,9 +13,10 @@
#include <linux/ext3_fs.h>
#include <linux/ext3_jbd.h>
#include <linux/time.h>
#include <linux/compat.h>
#include <linux/smp_lock.h>
#include <asm/uaccess.h>
int ext3_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
unsigned long arg)
{
@ -252,3 +253,55 @@ flags_err:
return -ENOTTY;
}
}
#ifdef CONFIG_COMPAT
long ext3_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct inode *inode = file->f_dentry->d_inode;
int ret;
/* These are just misnamed, they actually get/put from/to user an int */
switch (cmd) {
case EXT3_IOC32_GETFLAGS:
cmd = EXT3_IOC_GETFLAGS;
break;
case EXT3_IOC32_SETFLAGS:
cmd = EXT3_IOC_SETFLAGS;
break;
case EXT3_IOC32_GETVERSION:
cmd = EXT3_IOC_GETVERSION;
break;
case EXT3_IOC32_SETVERSION:
cmd = EXT3_IOC_SETVERSION;
break;
case EXT3_IOC32_GROUP_EXTEND:
cmd = EXT3_IOC_GROUP_EXTEND;
break;
case EXT3_IOC32_GETVERSION_OLD:
cmd = EXT3_IOC_GETVERSION_OLD;
break;
case EXT3_IOC32_SETVERSION_OLD:
cmd = EXT3_IOC_SETVERSION_OLD;
break;
#ifdef CONFIG_JBD_DEBUG
case EXT3_IOC32_WAIT_FOR_READONLY:
cmd = EXT3_IOC_WAIT_FOR_READONLY;
break;
#endif
case EXT3_IOC32_GETRSVSZ:
cmd = EXT3_IOC_GETRSVSZ;
break;
case EXT3_IOC32_SETRSVSZ:
cmd = EXT3_IOC_SETRSVSZ;
break;
case EXT3_IOC_GROUP_ADD:
break;
default:
return -ENOIOCTLCMD;
}
lock_kernel();
ret = ext3_ioctl(inode, file, cmd, (unsigned long) compat_ptr(arg));
unlock_kernel();
return ret;
}
#endif

6
include/linux/ext3_fs.h
View File

@ -233,6 +233,8 @@ struct ext3_new_group_data {
/*
* ioctl commands in 32 bit emulation
*/
#define EXT3_IOC32_GETFLAGS FS_IOC32_GETFLAGS
#define EXT3_IOC32_SETFLAGS FS_IOC32_SETFLAGS
#define EXT3_IOC32_GETVERSION _IOR('f', 3, int)
#define EXT3_IOC32_SETVERSION _IOW('f', 4, int)
#define EXT3_IOC32_GETRSVSZ _IOR('f', 5, int)
@ -241,6 +243,9 @@ struct ext3_new_group_data {
#ifdef CONFIG_JBD_DEBUG
#define EXT3_IOC32_WAIT_FOR_READONLY _IOR('f', 99, int)
#endif
#define EXT3_IOC32_GETVERSION_OLD FS_IOC32_GETVERSION
#define EXT3_IOC32_SETVERSION_OLD FS_IOC32_SETVERSION
/*
* Mount options
@ -824,6 +829,7 @@ extern void ext3_set_aops(struct inode *inode);
/* ioctl.c */
extern int ext3_ioctl (struct inode *, struct file *, unsigned int,
unsigned long);
extern long ext3_compat_ioctl (struct file *, unsigned int, unsigned long);
/* namei.c */
extern int ext3_orphan_add(handle_t *, struct inode *);