summaryrefslogtreecommitdiffstats
path: root/fs/xfs/xfs_ioctl32.c
blob: 55ace63086377a3536d0dff4fa406886b30a386e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2004-2005 Silicon Graphics, Inc.
 * All Rights Reserved.
 */
#include <linux/compat.h>
#include <linux/ioctl.h>
#include <linux/mount.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/fsmap.h>
#include "xfs.h"
#include "xfs_fs.h"
#include "xfs_format.h"
#include "xfs_log_format.h"
#include "xfs_trans_resv.h"
#include "xfs_mount.h"
#include "xfs_inode.h"
#include "xfs_itable.h"
#include "xfs_error.h"
#include "xfs_fsops.h"
#include "xfs_alloc.h"
#include "xfs_rtalloc.h"
#include "xfs_attr.h"
#include "xfs_ioctl.h"
#include "xfs_ioctl32.h"
#include "xfs_trace.h"
#include "xfs_sb.h"

#define  _NATIVE_IOC(cmd, type) \
	  _IOC(_IOC_DIR(cmd), _IOC_TYPE(cmd), _IOC_NR(cmd), sizeof(type))

#ifdef BROKEN_X86_ALIGNMENT
STATIC int
xfs_compat_flock64_copyin(
	xfs_flock64_t		*bf,
	compat_xfs_flock64_t	__user *arg32)
{
	if (get_user(bf->l_type,	&arg32->l_type) ||
	    get_user(bf->l_whence,	&arg32->l_whence) ||
	    get_user(bf->l_start,	&arg32->l_start) ||
	    get_user(bf->l_len,		&arg32->l_len) ||
	    get_user(bf->l_sysid,	&arg32->l_sysid) ||
	    get_user(bf->l_pid,		&arg32->l_pid) ||
	    copy_from_user(bf->l_pad,	&arg32->l_pad,	4*sizeof(u32)))
		return -EFAULT;
	return 0;
}

STATIC int
xfs_compat_ioc_fsgeometry_v1(
	struct xfs_mount	  *mp,
	compat_xfs_fsop_geom_v1_t __user *arg32)
{
	struct xfs_fsop_geom	  fsgeo;
	int			  error;

	error = xfs_fs_geometry(&mp->m_sb, &fsgeo, 3);
	if (error)
		return error;
	/* The 32-bit variant simply has some padding at the end */
	if (copy_to_user(arg32, &fsgeo, sizeof(struct compat_xfs_fsop_geom_v1)))
		return -EFAULT;
	return 0;
}

STATIC int
xfs_compat_growfs_data_copyin(
	struct xfs_growfs_data	 *in,
	compat_xfs_growfs_data_t __user *arg32)
{
	if (get_user(in->newblocks, &arg32->newblocks) ||
	    get_user(in->imaxpct,   &arg32->imaxpct))
		return -EFAULT;
	return 0;
}

STATIC int
xfs_compat_growfs_rt_copyin(
	struct xfs_growfs_rt	 *in,
	compat_xfs_growfs_rt_t	__user *arg32)
{
	if (get_user(in->newblocks, &arg32->newblocks) ||
	    get_user(in->extsize,   &arg32->extsize))
		return -EFAULT;
	return 0;
}

STATIC int
xfs_inumbers_fmt_compat(
	void			__user *ubuffer,
	const struct xfs_inogrp	*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
#endif	/* BROKEN_X86_ALIGNMENT */

STATIC int
xfs_ioctl32_bstime_copyin(
	xfs_bstime_t		*bstime,
	compat_xfs_bstime_t	__user *bstime32)
{
	compat_time_t		sec32;	/* tv_sec differs on 64 vs. 32 */

	if (get_user(sec32,		&bstime32->tv_sec)	||
	    get_user(bstime->tv_nsec,	&bstime32->tv_nsec))
		return -EFAULT;
	bstime->tv_sec = sec32;
	return 0;
}

/* xfs_bstat_t has differing alignment on intel, & bstime_t sizes everywhere */
STATIC int
xfs_ioctl32_bstat_copyin(
	xfs_bstat_t		*bstat,
	compat_xfs_bstat_t	__user *bstat32)
{
	if (get_user(bstat->bs_ino,	&bstat32->bs_ino)	||
	    get_user(bstat->bs_mode,	&bstat32->bs_mode)	||
	    get_user(bstat->bs_nlink,	&bstat32->bs_nlink)	||
	    get_user(bstat->bs_uid,	&bstat32->bs_uid)	||
	    get_user(bstat->bs_gid,	&bstat32->bs_gid)	||
	    get_user(bstat->bs_rdev,	&bstat32->bs_rdev)	||
	    get_user(bstat->bs_blksize,	&bstat32->bs_blksize)	||
	    get_user(bstat->bs_size,	&bstat32->bs_size)	||
	    xfs_ioctl32_bstime_copyin(&bstat->bs_atime, &bstat32->bs_atime) ||
	    xfs_ioctl32_bstime_copyin(&bstat->bs_mtime, &bstat32->bs_mtime) ||
	    xfs_ioctl32_bstime_copyin(&bstat->bs_ctime, &bstat32->bs_ctime) ||
	    get_user(bstat->bs_blocks,	&bstat32->bs_size)	||
	    get_user(bstat->bs_xflags,	&bstat32->bs_size)	||
	    get_user(bstat->bs_extsize,	&bstat32->bs_extsize)	||
	    get_user(bstat->bs_extents,	&bstat32->bs_extents)	||
	    get_user(bstat->bs_gen,	&bstat32->bs_gen)	||
	    get_user(bstat->bs_projid_lo, &bstat32->bs_projid_lo) ||
	    get_user(bstat->bs_projid_hi, &bstat32->bs_projid_hi) ||
	    get_user(bstat->bs_forkoff,	&bstat32->bs_forkoff)	||
	    get_user(bstat->bs_dmevmask, &bstat32->bs_dmevmask)	||
	    get_user(bstat->bs_dmstate,	&bstat32->bs_dmstate)	||
	    get_user(bstat->bs_aextents, &bstat32->bs_aextents))
		return -EFAULT;
	return 0;
}

/* XFS_IOC_FSBULKSTAT and friends */

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;
}

/* Return 0 on success or positive error (to xfs_bulkstat()) */
STATIC int
xfs_bulkstat_one_fmt_compat(
	void			__user *ubuffer,
	int			ubsize,
	int			*ubused,
	const xfs_bstat_t	*buffer)
{
	compat_xfs_bstat_t	__user *p32 = ubuffer;

	if (ubsize < sizeof(*p32))
		return -ENOMEM;

	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_projid_hi,	&p32->bs_projid_hi)	||
	    put_user(buffer->bs_forkoff,  &p32->bs_forkoff)	||
	    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;
	if (ubused)
		*ubused = sizeof(*p32);
	return 0;
}

STATIC int
xfs_bulkstat_one_compat(
	xfs_mount_t	*mp,		/* mount point for filesystem */
	xfs_ino_t	ino,		/* inode number to get data for */
	void		__user *buffer,	/* buffer to place output in */
	int		ubsize,		/* size of buffer */
	int		*ubused,	/* bytes used by me */
	int		*stat)		/* BULKSTAT_RV_... */
{
	return xfs_bulkstat_one_int(mp, ino, buffer, ubsize,
				    xfs_bulkstat_one_fmt_compat,
				    ubused, stat);
}

/* copied from xfs_ioctl.c */
STATIC int
xfs_compat_ioc_bulkstat(
	xfs_mount_t		  *mp,
	unsigned int		  cmd,
	compat_xfs_fsop_bulkreq_t __user *p32)
{
	u32			addr;
	xfs_fsop_bulkreq_t	bulkreq;
	int			count;	/* # of records returned */
	xfs_ino_t		inlast;	/* last inode number */
	int			done;
	int			error;

	/*
	 * Output structure handling functions.  Depending on the command,
	 * either the xfs_bstat and xfs_inogrp structures are written out
	 * to userpace memory via bulkreq.ubuffer.  Normally the compat
	 * functions and structure size are the correct ones to use ...
	 */
	inumbers_fmt_pf inumbers_func = xfs_inumbers_fmt_compat;
	bulkstat_one_pf	bs_one_func = xfs_bulkstat_one_compat;
	size_t bs_one_size = sizeof(struct compat_xfs_bstat);

#ifdef CONFIG_X86_X32
	if (in_x32_syscall()) {
		/*
		 * ... but on x32 the input xfs_fsop_bulkreq has pointers
		 * which must be handled in the "compat" (32-bit) way, while
		 * the xfs_bstat and xfs_inogrp structures follow native 64-
		 * bit layout convention.  So adjust accordingly, otherwise
		 * the data written out in compat layout will not match what
		 * x32 userspace expects.
		 */
		inumbers_func = xfs_inumbers_fmt;
		bs_one_func = xfs_bulkstat_one;
		bs_one_size = sizeof(struct xfs_bstat);
	}
#endif

	/* 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 -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 -EFAULT;

	if ((count = bulkreq.icount) <= 0)
		return -EINVAL;

	if (bulkreq.ubuffer == NULL)
		return -EINVAL;

	if (cmd == XFS_IOC_FSINUMBERS_32) {
		error = xfs_inumbers(mp, &inlast, &count,
				bulkreq.ubuffer, inumbers_func);
	} else if (cmd == XFS_IOC_FSBULKSTAT_SINGLE_32) {
		int res;

		error = bs_one_func(mp, inlast, bulkreq.ubuffer,
				bs_one_size, NULL, &res);
	} else if (cmd == XFS_IOC_FSBULKSTAT_32) {
		error = xfs_bulkstat(mp, &inlast, &count,
			bs_one_func, bs_one_size,
			bulkreq.ubuffer, &done);
	} else
		error = -EINVAL;
	if (error)
		return error;

	if (bulkreq.ocount != NULL) {
		if (copy_to_user(bulkreq.lastip, &inlast,
						sizeof(xfs_ino_t)))
			return -EFAULT;

		if (copy_to_user(bulkreq.ocount, &count, sizeof(count)))
			return -EFAULT;
	}

	return 0;
}

STATIC int
xfs_compat_handlereq_copyin(
	xfs_fsop_handlereq_t		*hreq,
	compat_xfs_fsop_handlereq_t	__user *arg32)
{
	compat_xfs_fsop_handlereq_t	hreq32;

	if (copy_from_user(&hreq32, arg32, sizeof(compat_xfs_fsop_handlereq_t)))
		return -EFAULT;

	hreq->fd = hreq32.fd;
	hreq->path = compat_ptr(hreq32.path);
	hreq->oflags = hreq32.oflags;
	hreq->ihandle = compat_ptr(hreq32.ihandle);
	hreq->ihandlen = hreq32.ihandlen;
	hreq->ohandle = compat_ptr(hreq32.ohandle);
	hreq->ohandlen = compat_ptr(hreq32.ohandlen);

	return 0;
}

STATIC struct dentry *
xfs_compat_handlereq_to_dentry(
	struct file		*parfilp,
	compat_xfs_fsop_handlereq_t *hreq)
{
	return xfs_handle_to_dentry(parfilp,
			compat_ptr(hreq->ihandle), hreq->ihandlen);
}

STATIC int
xfs_compat_attrlist_by_handle(
	struct file		*parfilp,
	void			__user *arg)
{
	int			error;
	attrlist_cursor_kern_t	*cursor;
	compat_xfs_fsop_attrlist_handlereq_t __user *p = arg;
	compat_xfs_fsop_attrlist_handlereq_t al_hreq;
	struct dentry		*dentry;
	char			*kbuf;

	if (!capable(CAP_SYS_ADMIN))
		return -EPERM;
	if (copy_from_user(&al_hreq, arg,
			   sizeof(compat_xfs_fsop_attrlist_handlereq_t)))
		return -EFAULT;
	if (al_hreq.buflen < sizeof(struct attrlist) ||
	    al_hreq.buflen > XFS_XATTR_LIST_MAX)
		return -EINVAL;

	/*
	 * Reject flags, only allow namespaces.
	 */
	if (al_hreq.flags & ~(ATTR_ROOT | ATTR_SECURE))
		return -EINVAL;

	dentry = xfs_compat_handlereq_to_dentry(parfilp, &al_hreq.hreq);
	if (IS_ERR(dentry))
		return PTR_ERR(dentry);

	error = -ENOMEM;
	kbuf = kmem_zalloc_large(al_hreq.buflen, KM_SLEEP);
	if (!kbuf)
		goto out_dput;

	cursor = (attrlist_cursor_kern_t *)&al_hreq.pos;
	error = xfs_attr_list(XFS_I(d_inode(dentry)), kbuf, al_hreq.buflen,
					al_hreq.flags, cursor);
	if (error)
		goto out_kfree;

	if (copy_to_user(&p->pos, cursor, sizeof(attrlist_cursor_kern_t))) {
		error = -EFAULT;
		goto out_kfree;
	}

	if (copy_to_user(compat_ptr(al_hreq.buffer), kbuf, al_hreq.buflen))
		error = -EFAULT;

out_kfree:
	kmem_free(kbuf);
out_dput:
	dput(dentry);
	return error;
}

STATIC int
xfs_compat_attrmulti_by_handle(
	struct file				*parfilp,
	void					__user *arg)
{
	int					error;
	compat_xfs_attr_multiop_t		*ops;
	compat_xfs_fsop_attrmulti_handlereq_t	am_hreq;
	struct dentry				*dentry;
	unsigned int				i, size;
	unsigned char				*attr_name;

	if (!capable(CAP_SYS_ADMIN))
		return -EPERM;
	if (copy_from_user(&am_hreq, arg,
			   sizeof(compat_xfs_fsop_attrmulti_handlereq_t)))
		return -EFAULT;

	/* overflow check */
	if (am_hreq.opcount >= INT_MAX / sizeof(compat_xfs_attr_multiop_t))
		return -E2BIG;

	dentry = xfs_compat_handlereq_to_dentry(parfilp, &am_hreq.hreq);
	if (IS_ERR(dentry))
		return PTR_ERR(dentry);

	error = -E2BIG;
	size = am_hreq.opcount * sizeof(compat_xfs_attr_multiop_t);
	if (!size || size > 16 * PAGE_SIZE)
		goto out_dput;

	ops = memdup_user(compat_ptr(am_hreq.ops), size);
	if (IS_ERR(ops)) {
		error = PTR_ERR(ops);
		goto out_dput;
	}

	error = -ENOMEM;
	attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL);
	if (!attr_name)
		goto out_kfree_ops;

	error = 0;
	for (i = 0; i < am_hreq.opcount; i++) {
		ops[i].am_error = strncpy_from_user((char *)attr_name,
				compat_ptr(ops[i].am_attrname),
				MAXNAMELEN);
		if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN)
			error = -ERANGE;
		if (ops[i].am_error < 0)
			break;

		switch (ops[i].am_opcode) {
		case ATTR_OP_GET:
			ops[i].am_error = xfs_attrmulti_attr_get(
					d_inode(dentry), attr_name,
					compat_ptr(ops[i].am_attrvalue),
					&ops[i].am_length, ops[i].am_flags);
			break;
		case ATTR_OP_SET:
			ops[i].am_error = mnt_want_write_file(parfilp);
			if (ops[i].am_error)
				break;
			ops[i].am_error = xfs_attrmulti_attr_set(
					d_inode(dentry), attr_name,
					compat_ptr(ops[i].am_attrvalue),
					ops[i].am_length, ops[i].am_flags);
			mnt_drop_write_file(parfilp);
			break;
		case ATTR_OP_REMOVE:
			ops[i].am_error = mnt_want_write_file(parfilp);
			if (ops[i].am_error)
				break;
			ops[i].am_error = xfs_attrmulti_attr_remove(
					d_inode(dentry), attr_name,
					ops[i].am_flags);
			mnt_drop_write_file(parfilp);
			break;
		default:
			ops[i].am_error = -EINVAL;
		}
	}

	if (copy_to_user(compat_ptr(am_hreq.ops), ops, size))
		error = -EFAULT;

	kfree(attr_name);
 out_kfree_ops:
	kfree(ops);
 out_dput:
	dput(dentry);
	return error;
}

STATIC int
xfs_compat_fssetdm_by_handle(
	struct file		*parfilp,
	void			__user *arg)
{
	int			error;
	struct fsdmidata	fsd;
	compat_xfs_fsop_setdm_handlereq_t dmhreq;
	struct dentry		*dentry;

	if (!capable(CAP_MKNOD))
		return -EPERM;
	if (copy_from_user(&dmhreq, arg,
			   sizeof(compat_xfs_fsop_setdm_handlereq_t)))
		return -EFAULT;

	dentry = xfs_compat_handlereq_to_dentry(parfilp, &dmhreq.hreq);
	if (IS_ERR(dentry))
		return PTR_ERR(dentry);

	if (IS_IMMUTABLE(d_inode(dentry)) || IS_APPEND(d_inode(dentry))) {
		error = -EPERM;
		goto out;
	}

	if (copy_from_user(&fsd, compat_ptr(dmhreq.data), sizeof(fsd))) {
		error = -EFAULT;
		goto out;
	}

	error = xfs_set_dmattrs(XFS_I(d_inode(dentry)), fsd.fsd_dmevmask,
				 fsd.fsd_dmstate);

out:
	dput(dentry);
	return error;
}

long
xfs_file_compat_ioctl(
	struct file		*filp,
	unsigned		cmd,
	unsigned long		p)
{
	struct inode		*inode = file_inode(filp);
	struct xfs_inode	*ip = XFS_I(inode);
	struct xfs_mount	*mp = ip->i_mount;
	void			__user *arg = (void __user *)p;
	int			error;

	trace_xfs_file_compat_ioctl(ip);

	switch (cmd) {
	/* No size or alignment issues on any arch */
	case XFS_IOC_DIOINFO:
	case XFS_IOC_FSGEOMETRY_V4:
	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:
	case XFS_IOC_FSCOUNTS:
	case XFS_IOC_SET_RESBLKS:
	case XFS_IOC_GET_RESBLKS:
	case XFS_IOC_FSGROWFSLOG:
	case XFS_IOC_GOINGDOWN:
	case XFS_IOC_ERROR_INJECTION:
	case XFS_IOC_ERROR_CLEARALL:
	case FS_IOC_GETFSMAP:
	case XFS_IOC_SCRUB_METADATA:
		return xfs_file_ioctl(filp, cmd, p);
#if !defined(BROKEN_X86_ALIGNMENT) || defined(CONFIG_X86_X32)
	/*
	 * These are handled fine if no alignment issues.  To support x32
	 * which uses native 64-bit alignment we must emit these cases in
	 * addition to the ia-32 compat set below.
	 */
	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:
	case XFS_IOC_FSGROWFSDATA:
	case XFS_IOC_FSGROWFSRT:
	case XFS_IOC_ZERO_RANGE:
#ifdef CONFIG_X86_X32
	/*
	 * x32 special: this gets a different cmd number from the ia-32 compat
	 * case below; the associated data will match native 64-bit alignment.
	 */
	case XFS_IOC_SWAPEXT:
#endif
		return xfs_file_ioctl(filp, cmd, p);
#endif
#if defined(BROKEN_X86_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:
	case XFS_IOC_ZERO_RANGE_32: {
		struct xfs_flock64	bf;

		if (xfs_compat_flock64_copyin(&bf, arg))
			return -EFAULT;
		cmd = _NATIVE_IOC(cmd, struct xfs_flock64);
		return xfs_ioc_space(filp, cmd, &bf);
	}
	case XFS_IOC_FSGEOMETRY_V1_32:
		return xfs_compat_ioc_fsgeometry_v1(mp, arg);
	case XFS_IOC_FSGROWFSDATA_32: {
		struct xfs_growfs_data	in;

		if (xfs_compat_growfs_data_copyin(&in, arg))
			return -EFAULT;
		error = mnt_want_write_file(filp);
		if (error)
			return error;
		error = xfs_growfs_data(mp, &in);
		mnt_drop_write_file(filp);
		return error;
	}
	case XFS_IOC_FSGROWFSRT_32: {
		struct xfs_growfs_rt	in;

		if (xfs_compat_growfs_rt_copyin(&in, arg))
			return -EFAULT;
		error = mnt_want_write_file(filp);
		if (error)
			return error;
		error = xfs_growfs_rt(mp, &in);
		mnt_drop_write_file(filp);
		return error;
	}
#endif
	/* long changes size, but xfs only copiese out 32 bits */
	case XFS_IOC_GETXFLAGS_32:
	case XFS_IOC_SETXFLAGS_32:
	case XFS_IOC_GETVERSION_32:
		cmd = _NATIVE_IOC(cmd, long);
		return xfs_file_ioctl(filp, cmd, p);
	case XFS_IOC_SWAPEXT_32: {
		struct xfs_swapext	  sxp;
		struct compat_xfs_swapext __user *sxu = arg;

		/* Bulk copy in up to the sx_stat field, then copy bstat */
		if (copy_from_user(&sxp, sxu,
				   offsetof(struct xfs_swapext, sx_stat)) ||
		    xfs_ioctl32_bstat_copyin(&sxp.sx_stat, &sxu->sx_stat))
			return -EFAULT;
		error = mnt_want_write_file(filp);
		if (error)
			return error;
		error = xfs_ioc_swapext(&sxp);
		mnt_drop_write_file(filp);
		return error;
	}
	case XFS_IOC_FSBULKSTAT_32:
	case XFS_IOC_FSBULKSTAT_SINGLE_32:
	case XFS_IOC_FSINUMBERS_32:
		return xfs_compat_ioc_bulkstat(mp, cmd, arg);
	case XFS_IOC_FD_TO_HANDLE_32:
	case XFS_IOC_PATH_TO_HANDLE_32:
	case XFS_IOC_PATH_TO_FSHANDLE_32: {
		struct xfs_fsop_handlereq	hreq;

		if (xfs_compat_handlereq_copyin(&hreq, arg))
			return -EFAULT;
		cmd = _NATIVE_IOC(cmd, struct xfs_fsop_handlereq);
		return xfs_find_handle(cmd, &hreq);
	}
	case XFS_IOC_OPEN_BY_HANDLE_32: {
		struct xfs_fsop_handlereq	hreq;

		if (xfs_compat_handlereq_copyin(&hreq, arg))
			return -EFAULT;
		return xfs_open_by_handle(filp, &hreq);
	}
	case XFS_IOC_READLINK_BY_HANDLE_32: {
		struct xfs_fsop_handlereq	hreq;

		if (xfs_compat_handlereq_copyin(&hreq, arg))
			return -EFAULT;
		return xfs_readlink_by_handle(filp, &hreq);
	}
	case XFS_IOC_ATTRLIST_BY_HANDLE_32:
		return xfs_compat_attrlist_by_handle(filp, arg);
	case XFS_IOC_ATTRMULTI_BY_HANDLE_32:
		return xfs_compat_attrmulti_by_handle(filp, arg);
	case XFS_IOC_FSSETDM_BY_HANDLE_32:
		return xfs_compat_fssetdm_by_handle(filp, arg);
	default:
		return -ENOIOCTLCMD;
	}
}