forked from Minki/linux
a8272ce0c1
These are mostly locking annotations, marking things static, casts where needed and declaring stuff in header files. SGI-PV: 971186 SGI-Modid: xfs-linux-melb:xfs-kern:30002a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
489 lines
14 KiB
C
489 lines
14 KiB
C
/*
|
|
* Copyright (c) 2004-2005 Silicon Graphics, Inc.
|
|
* All Rights Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it would be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
#include <linux/compat.h>
|
|
#include <linux/init.h>
|
|
#include <linux/ioctl.h>
|
|
#include <linux/syscalls.h>
|
|
#include <linux/types.h>
|
|
#include <linux/fs.h>
|
|
#include <asm/uaccess.h>
|
|
#include "xfs.h"
|
|
#include "xfs_fs.h"
|
|
#include "xfs_bit.h"
|
|
#include "xfs_log.h"
|
|
#include "xfs_inum.h"
|
|
#include "xfs_trans.h"
|
|
#include "xfs_sb.h"
|
|
#include "xfs_ag.h"
|
|
#include "xfs_dir2.h"
|
|
#include "xfs_dmapi.h"
|
|
#include "xfs_mount.h"
|
|
#include "xfs_bmap_btree.h"
|
|
#include "xfs_attr_sf.h"
|
|
#include "xfs_dir2_sf.h"
|
|
#include "xfs_vfs.h"
|
|
#include "xfs_vnode.h"
|
|
#include "xfs_dinode.h"
|
|
#include "xfs_inode.h"
|
|
#include "xfs_itable.h"
|
|
#include "xfs_error.h"
|
|
#include "xfs_dfrag.h"
|
|
#include "xfs_vnodeops.h"
|
|
#include "xfs_ioctl32.h"
|
|
|
|
#define _NATIVE_IOC(cmd, type) \
|
|
_IOC(_IOC_DIR(cmd), _IOC_TYPE(cmd), _IOC_NR(cmd), sizeof(type))
|
|
|
|
#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
|
|
#define BROKEN_X86_ALIGNMENT
|
|
#define _PACKED __attribute__((packed))
|
|
/* on ia32 l_start is on a 32-bit boundary */
|
|
typedef struct xfs_flock64_32 {
|
|
__s16 l_type;
|
|
__s16 l_whence;
|
|
__s64 l_start __attribute__((packed));
|
|
/* len == 0 means until end of file */
|
|
__s64 l_len __attribute__((packed));
|
|
__s32 l_sysid;
|
|
__u32 l_pid;
|
|
__s32 l_pad[4]; /* reserve area */
|
|
} xfs_flock64_32_t;
|
|
|
|
#define XFS_IOC_ALLOCSP_32 _IOW ('X', 10, struct xfs_flock64_32)
|
|
#define XFS_IOC_FREESP_32 _IOW ('X', 11, struct xfs_flock64_32)
|
|
#define XFS_IOC_ALLOCSP64_32 _IOW ('X', 36, struct xfs_flock64_32)
|
|
#define XFS_IOC_FREESP64_32 _IOW ('X', 37, struct xfs_flock64_32)
|
|
#define XFS_IOC_RESVSP_32 _IOW ('X', 40, struct xfs_flock64_32)
|
|
#define XFS_IOC_UNRESVSP_32 _IOW ('X', 41, struct xfs_flock64_32)
|
|
#define XFS_IOC_RESVSP64_32 _IOW ('X', 42, struct xfs_flock64_32)
|
|
#define XFS_IOC_UNRESVSP64_32 _IOW ('X', 43, struct xfs_flock64_32)
|
|
|
|
/* just account for different alignment */
|
|
STATIC unsigned long
|
|
xfs_ioctl32_flock(
|
|
unsigned long arg)
|
|
{
|
|
xfs_flock64_32_t __user *p32 = (void __user *)arg;
|
|
xfs_flock64_t __user *p = compat_alloc_user_space(sizeof(*p));
|
|
|
|
if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
|
|
copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
|
|
copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
|
|
copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
|
|
copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
|
|
copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
|
|
copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
|
|
return -EFAULT;
|
|
|
|
return (unsigned long)p;
|
|
}
|
|
|
|
typedef struct compat_xfs_fsop_geom_v1 {
|
|
__u32 blocksize; /* filesystem (data) block size */
|
|
__u32 rtextsize; /* realtime extent size */
|
|
__u32 agblocks; /* fsblocks in an AG */
|
|
__u32 agcount; /* number of allocation groups */
|
|
__u32 logblocks; /* fsblocks in the log */
|
|
__u32 sectsize; /* (data) sector size, bytes */
|
|
__u32 inodesize; /* inode size in bytes */
|
|
__u32 imaxpct; /* max allowed inode space(%) */
|
|
__u64 datablocks; /* fsblocks in data subvolume */
|
|
__u64 rtblocks; /* fsblocks in realtime subvol */
|
|
__u64 rtextents; /* rt extents in realtime subvol*/
|
|
__u64 logstart; /* starting fsblock of the log */
|
|
unsigned char uuid[16]; /* unique id of the filesystem */
|
|
__u32 sunit; /* stripe unit, fsblocks */
|
|
__u32 swidth; /* stripe width, fsblocks */
|
|
__s32 version; /* structure version */
|
|
__u32 flags; /* superblock version flags */
|
|
__u32 logsectsize; /* log sector size, bytes */
|
|
__u32 rtsectsize; /* realtime sector size, bytes */
|
|
__u32 dirblocksize; /* directory block size, bytes */
|
|
} __attribute__((packed)) compat_xfs_fsop_geom_v1_t;
|
|
|
|
#define XFS_IOC_FSGEOMETRY_V1_32 \
|
|
_IOR ('X', 100, struct compat_xfs_fsop_geom_v1)
|
|
|
|
STATIC unsigned long xfs_ioctl32_geom_v1(unsigned long arg)
|
|
{
|
|
compat_xfs_fsop_geom_v1_t __user *p32 = (void __user *)arg;
|
|
xfs_fsop_geom_v1_t __user *p = compat_alloc_user_space(sizeof(*p));
|
|
|
|
if (copy_in_user(p, p32, sizeof(*p32)))
|
|
return -EFAULT;
|
|
return (unsigned long)p;
|
|
}
|
|
|
|
typedef struct compat_xfs_inogrp {
|
|
__u64 xi_startino; /* starting inode number */
|
|
__s32 xi_alloccount; /* # bits set in allocmask */
|
|
__u64 xi_allocmask; /* mask of allocated inodes */
|
|
} __attribute__((packed)) compat_xfs_inogrp_t;
|
|
|
|
STATIC int xfs_inumbers_fmt_compat(
|
|
void __user *ubuffer,
|
|
const xfs_inogrp_t *buffer,
|
|
long count,
|
|
long *written)
|
|
{
|
|
compat_xfs_inogrp_t __user *p32 = ubuffer;
|
|
long i;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
if (put_user(buffer[i].xi_startino, &p32[i].xi_startino) ||
|
|
put_user(buffer[i].xi_alloccount, &p32[i].xi_alloccount) ||
|
|
put_user(buffer[i].xi_allocmask, &p32[i].xi_allocmask))
|
|
return -EFAULT;
|
|
}
|
|
*written = count * sizeof(*p32);
|
|
return 0;
|
|
}
|
|
|
|
#else
|
|
|
|
#define xfs_inumbers_fmt_compat xfs_inumbers_fmt
|
|
#define _PACKED
|
|
|
|
#endif
|
|
|
|
/* XFS_IOC_FSBULKSTAT and friends */
|
|
|
|
typedef struct compat_xfs_bstime {
|
|
__s32 tv_sec; /* seconds */
|
|
__s32 tv_nsec; /* and nanoseconds */
|
|
} compat_xfs_bstime_t;
|
|
|
|
STATIC int xfs_bstime_store_compat(
|
|
compat_xfs_bstime_t __user *p32,
|
|
const xfs_bstime_t *p)
|
|
{
|
|
__s32 sec32;
|
|
|
|
sec32 = p->tv_sec;
|
|
if (put_user(sec32, &p32->tv_sec) ||
|
|
put_user(p->tv_nsec, &p32->tv_nsec))
|
|
return -EFAULT;
|
|
return 0;
|
|
}
|
|
|
|
typedef struct compat_xfs_bstat {
|
|
__u64 bs_ino; /* inode number */
|
|
__u16 bs_mode; /* type and mode */
|
|
__u16 bs_nlink; /* number of links */
|
|
__u32 bs_uid; /* user id */
|
|
__u32 bs_gid; /* group id */
|
|
__u32 bs_rdev; /* device value */
|
|
__s32 bs_blksize; /* block size */
|
|
__s64 bs_size; /* file size */
|
|
compat_xfs_bstime_t bs_atime; /* access time */
|
|
compat_xfs_bstime_t bs_mtime; /* modify time */
|
|
compat_xfs_bstime_t bs_ctime; /* inode change time */
|
|
int64_t bs_blocks; /* number of blocks */
|
|
__u32 bs_xflags; /* extended flags */
|
|
__s32 bs_extsize; /* extent size */
|
|
__s32 bs_extents; /* number of extents */
|
|
__u32 bs_gen; /* generation count */
|
|
__u16 bs_projid; /* project id */
|
|
unsigned char bs_pad[14]; /* pad space, unused */
|
|
__u32 bs_dmevmask; /* DMIG event mask */
|
|
__u16 bs_dmstate; /* DMIG state info */
|
|
__u16 bs_aextents; /* attribute number of extents */
|
|
} _PACKED compat_xfs_bstat_t;
|
|
|
|
STATIC int xfs_bulkstat_one_fmt_compat(
|
|
void __user *ubuffer,
|
|
const xfs_bstat_t *buffer)
|
|
{
|
|
compat_xfs_bstat_t __user *p32 = ubuffer;
|
|
|
|
if (put_user(buffer->bs_ino, &p32->bs_ino) ||
|
|
put_user(buffer->bs_mode, &p32->bs_mode) ||
|
|
put_user(buffer->bs_nlink, &p32->bs_nlink) ||
|
|
put_user(buffer->bs_uid, &p32->bs_uid) ||
|
|
put_user(buffer->bs_gid, &p32->bs_gid) ||
|
|
put_user(buffer->bs_rdev, &p32->bs_rdev) ||
|
|
put_user(buffer->bs_blksize, &p32->bs_blksize) ||
|
|
put_user(buffer->bs_size, &p32->bs_size) ||
|
|
xfs_bstime_store_compat(&p32->bs_atime, &buffer->bs_atime) ||
|
|
xfs_bstime_store_compat(&p32->bs_mtime, &buffer->bs_mtime) ||
|
|
xfs_bstime_store_compat(&p32->bs_ctime, &buffer->bs_ctime) ||
|
|
put_user(buffer->bs_blocks, &p32->bs_blocks) ||
|
|
put_user(buffer->bs_xflags, &p32->bs_xflags) ||
|
|
put_user(buffer->bs_extsize, &p32->bs_extsize) ||
|
|
put_user(buffer->bs_extents, &p32->bs_extents) ||
|
|
put_user(buffer->bs_gen, &p32->bs_gen) ||
|
|
put_user(buffer->bs_projid, &p32->bs_projid) ||
|
|
put_user(buffer->bs_dmevmask, &p32->bs_dmevmask) ||
|
|
put_user(buffer->bs_dmstate, &p32->bs_dmstate) ||
|
|
put_user(buffer->bs_aextents, &p32->bs_aextents))
|
|
return -EFAULT;
|
|
return sizeof(*p32);
|
|
}
|
|
|
|
|
|
|
|
typedef struct compat_xfs_fsop_bulkreq {
|
|
compat_uptr_t lastip; /* last inode # pointer */
|
|
__s32 icount; /* count of entries in buffer */
|
|
compat_uptr_t ubuffer; /* user buffer for inode desc. */
|
|
compat_uptr_t ocount; /* output count pointer */
|
|
} compat_xfs_fsop_bulkreq_t;
|
|
|
|
#define XFS_IOC_FSBULKSTAT_32 \
|
|
_IOWR('X', 101, struct compat_xfs_fsop_bulkreq)
|
|
#define XFS_IOC_FSBULKSTAT_SINGLE_32 \
|
|
_IOWR('X', 102, struct compat_xfs_fsop_bulkreq)
|
|
#define XFS_IOC_FSINUMBERS_32 \
|
|
_IOWR('X', 103, struct compat_xfs_fsop_bulkreq)
|
|
|
|
/* copied from xfs_ioctl.c */
|
|
STATIC int
|
|
xfs_ioc_bulkstat_compat(
|
|
xfs_mount_t *mp,
|
|
unsigned int cmd,
|
|
void __user *arg)
|
|
{
|
|
compat_xfs_fsop_bulkreq_t __user *p32 = (void __user *)arg;
|
|
u32 addr;
|
|
xfs_fsop_bulkreq_t bulkreq;
|
|
int count; /* # of records returned */
|
|
xfs_ino_t inlast; /* last inode number */
|
|
int done;
|
|
int error;
|
|
|
|
/* done = 1 if there are more stats to get and if bulkstat */
|
|
/* should be called again (unused here, but used in dmapi) */
|
|
|
|
if (!capable(CAP_SYS_ADMIN))
|
|
return -EPERM;
|
|
|
|
if (XFS_FORCED_SHUTDOWN(mp))
|
|
return -XFS_ERROR(EIO);
|
|
|
|
if (get_user(addr, &p32->lastip))
|
|
return -EFAULT;
|
|
bulkreq.lastip = compat_ptr(addr);
|
|
if (get_user(bulkreq.icount, &p32->icount) ||
|
|
get_user(addr, &p32->ubuffer))
|
|
return -EFAULT;
|
|
bulkreq.ubuffer = compat_ptr(addr);
|
|
if (get_user(addr, &p32->ocount))
|
|
return -EFAULT;
|
|
bulkreq.ocount = compat_ptr(addr);
|
|
|
|
if (copy_from_user(&inlast, bulkreq.lastip, sizeof(__s64)))
|
|
return -XFS_ERROR(EFAULT);
|
|
|
|
if ((count = bulkreq.icount) <= 0)
|
|
return -XFS_ERROR(EINVAL);
|
|
|
|
if (bulkreq.ubuffer == NULL)
|
|
return -XFS_ERROR(EINVAL);
|
|
|
|
if (cmd == XFS_IOC_FSINUMBERS)
|
|
error = xfs_inumbers(mp, &inlast, &count,
|
|
bulkreq.ubuffer, xfs_inumbers_fmt_compat);
|
|
else {
|
|
/* declare a var to get a warning in case the type changes */
|
|
bulkstat_one_fmt_pf formatter = xfs_bulkstat_one_fmt_compat;
|
|
error = xfs_bulkstat(mp, &inlast, &count,
|
|
xfs_bulkstat_one, formatter,
|
|
sizeof(compat_xfs_bstat_t), bulkreq.ubuffer,
|
|
BULKSTAT_FG_QUICK, &done);
|
|
}
|
|
if (error)
|
|
return -error;
|
|
|
|
if (bulkreq.ocount != NULL) {
|
|
if (copy_to_user(bulkreq.lastip, &inlast,
|
|
sizeof(xfs_ino_t)))
|
|
return -XFS_ERROR(EFAULT);
|
|
|
|
if (copy_to_user(bulkreq.ocount, &count, sizeof(count)))
|
|
return -XFS_ERROR(EFAULT);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
typedef struct compat_xfs_fsop_handlereq {
|
|
__u32 fd; /* fd for FD_TO_HANDLE */
|
|
compat_uptr_t path; /* user pathname */
|
|
__u32 oflags; /* open flags */
|
|
compat_uptr_t ihandle; /* user supplied handle */
|
|
__u32 ihandlen; /* user supplied length */
|
|
compat_uptr_t ohandle; /* user buffer for handle */
|
|
compat_uptr_t ohandlen; /* user buffer length */
|
|
} compat_xfs_fsop_handlereq_t;
|
|
|
|
#define XFS_IOC_PATH_TO_FSHANDLE_32 \
|
|
_IOWR('X', 104, struct compat_xfs_fsop_handlereq)
|
|
#define XFS_IOC_PATH_TO_HANDLE_32 \
|
|
_IOWR('X', 105, struct compat_xfs_fsop_handlereq)
|
|
#define XFS_IOC_FD_TO_HANDLE_32 \
|
|
_IOWR('X', 106, struct compat_xfs_fsop_handlereq)
|
|
#define XFS_IOC_OPEN_BY_HANDLE_32 \
|
|
_IOWR('X', 107, struct compat_xfs_fsop_handlereq)
|
|
#define XFS_IOC_READLINK_BY_HANDLE_32 \
|
|
_IOWR('X', 108, struct compat_xfs_fsop_handlereq)
|
|
|
|
STATIC unsigned long xfs_ioctl32_fshandle(unsigned long arg)
|
|
{
|
|
compat_xfs_fsop_handlereq_t __user *p32 = (void __user *)arg;
|
|
xfs_fsop_handlereq_t __user *p = compat_alloc_user_space(sizeof(*p));
|
|
u32 addr;
|
|
|
|
if (copy_in_user(&p->fd, &p32->fd, sizeof(__u32)) ||
|
|
get_user(addr, &p32->path) ||
|
|
put_user(compat_ptr(addr), &p->path) ||
|
|
copy_in_user(&p->oflags, &p32->oflags, sizeof(__u32)) ||
|
|
get_user(addr, &p32->ihandle) ||
|
|
put_user(compat_ptr(addr), &p->ihandle) ||
|
|
copy_in_user(&p->ihandlen, &p32->ihandlen, sizeof(__u32)) ||
|
|
get_user(addr, &p32->ohandle) ||
|
|
put_user(compat_ptr(addr), &p->ohandle) ||
|
|
get_user(addr, &p32->ohandlen) ||
|
|
put_user(compat_ptr(addr), &p->ohandlen))
|
|
return -EFAULT;
|
|
|
|
return (unsigned long)p;
|
|
}
|
|
|
|
|
|
STATIC long
|
|
xfs_compat_ioctl(
|
|
int mode,
|
|
struct file *file,
|
|
unsigned cmd,
|
|
unsigned long arg)
|
|
{
|
|
struct inode *inode = file->f_path.dentry->d_inode;
|
|
int error;
|
|
|
|
switch (cmd) {
|
|
case XFS_IOC_DIOINFO:
|
|
case XFS_IOC_FSGEOMETRY:
|
|
case XFS_IOC_FSGETXATTR:
|
|
case XFS_IOC_FSSETXATTR:
|
|
case XFS_IOC_FSGETXATTRA:
|
|
case XFS_IOC_FSSETDM:
|
|
case XFS_IOC_GETBMAP:
|
|
case XFS_IOC_GETBMAPA:
|
|
case XFS_IOC_GETBMAPX:
|
|
/* not handled
|
|
case XFS_IOC_FSSETDM_BY_HANDLE:
|
|
case XFS_IOC_ATTRLIST_BY_HANDLE:
|
|
case XFS_IOC_ATTRMULTI_BY_HANDLE:
|
|
*/
|
|
case XFS_IOC_FSCOUNTS:
|
|
case XFS_IOC_SET_RESBLKS:
|
|
case XFS_IOC_GET_RESBLKS:
|
|
case XFS_IOC_FSGROWFSDATA:
|
|
case XFS_IOC_FSGROWFSLOG:
|
|
case XFS_IOC_FSGROWFSRT:
|
|
case XFS_IOC_FREEZE:
|
|
case XFS_IOC_THAW:
|
|
case XFS_IOC_GOINGDOWN:
|
|
case XFS_IOC_ERROR_INJECTION:
|
|
case XFS_IOC_ERROR_CLEARALL:
|
|
break;
|
|
|
|
case XFS_IOC32_GETXFLAGS:
|
|
case XFS_IOC32_SETXFLAGS:
|
|
case XFS_IOC32_GETVERSION:
|
|
cmd = _NATIVE_IOC(cmd, long);
|
|
break;
|
|
#ifdef BROKEN_X86_ALIGNMENT
|
|
/* xfs_flock_t has wrong u32 vs u64 alignment */
|
|
case XFS_IOC_ALLOCSP_32:
|
|
case XFS_IOC_FREESP_32:
|
|
case XFS_IOC_ALLOCSP64_32:
|
|
case XFS_IOC_FREESP64_32:
|
|
case XFS_IOC_RESVSP_32:
|
|
case XFS_IOC_UNRESVSP_32:
|
|
case XFS_IOC_RESVSP64_32:
|
|
case XFS_IOC_UNRESVSP64_32:
|
|
arg = xfs_ioctl32_flock(arg);
|
|
cmd = _NATIVE_IOC(cmd, struct xfs_flock64);
|
|
break;
|
|
case XFS_IOC_FSGEOMETRY_V1_32:
|
|
arg = xfs_ioctl32_geom_v1(arg);
|
|
cmd = _NATIVE_IOC(cmd, struct xfs_fsop_geom_v1);
|
|
break;
|
|
|
|
#else /* These are handled fine if no alignment issues */
|
|
case XFS_IOC_ALLOCSP:
|
|
case XFS_IOC_FREESP:
|
|
case XFS_IOC_RESVSP:
|
|
case XFS_IOC_UNRESVSP:
|
|
case XFS_IOC_ALLOCSP64:
|
|
case XFS_IOC_FREESP64:
|
|
case XFS_IOC_RESVSP64:
|
|
case XFS_IOC_UNRESVSP64:
|
|
case XFS_IOC_FSGEOMETRY_V1:
|
|
break;
|
|
|
|
/* xfs_bstat_t still has wrong u32 vs u64 alignment */
|
|
case XFS_IOC_SWAPEXT:
|
|
break;
|
|
|
|
#endif
|
|
case XFS_IOC_FSBULKSTAT_32:
|
|
case XFS_IOC_FSBULKSTAT_SINGLE_32:
|
|
case XFS_IOC_FSINUMBERS_32:
|
|
cmd = _NATIVE_IOC(cmd, struct xfs_fsop_bulkreq);
|
|
return xfs_ioc_bulkstat_compat(XFS_I(inode)->i_mount,
|
|
cmd, (void __user*)arg);
|
|
case XFS_IOC_FD_TO_HANDLE_32:
|
|
case XFS_IOC_PATH_TO_HANDLE_32:
|
|
case XFS_IOC_PATH_TO_FSHANDLE_32:
|
|
case XFS_IOC_OPEN_BY_HANDLE_32:
|
|
case XFS_IOC_READLINK_BY_HANDLE_32:
|
|
arg = xfs_ioctl32_fshandle(arg);
|
|
cmd = _NATIVE_IOC(cmd, struct xfs_fsop_handlereq);
|
|
break;
|
|
default:
|
|
return -ENOIOCTLCMD;
|
|
}
|
|
|
|
error = xfs_ioctl(XFS_I(inode), file, mode, cmd, (void __user *)arg);
|
|
xfs_iflags_set(XFS_I(inode), XFS_IMODIFIED);
|
|
|
|
return error;
|
|
}
|
|
|
|
long
|
|
xfs_file_compat_ioctl(
|
|
struct file *file,
|
|
unsigned cmd,
|
|
unsigned long arg)
|
|
{
|
|
return xfs_compat_ioctl(0, file, cmd, arg);
|
|
}
|
|
|
|
long
|
|
xfs_file_compat_invis_ioctl(
|
|
struct file *file,
|
|
unsigned cmd,
|
|
unsigned long arg)
|
|
{
|
|
return xfs_compat_ioctl(IO_INVIS, file, cmd, arg);
|
|
}
|