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2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c 
 kernel/fs/xfs/xfs_ioctl32.c
....@@ -3,23 +3,19 @@
33  * Copyright (c) 2004-2005 Silicon Graphics, Inc.
44  * All Rights Reserved.
55  */
6
-#include <linux/compat.h>
7
-#include <linux/ioctl.h>
86 #include <linux/mount.h>
9
-#include <linux/slab.h>
10
-#include <linux/uaccess.h>
117 #include <linux/fsmap.h>
128 #include "xfs.h"
139 #include "xfs_fs.h"
10
+#include "xfs_shared.h"
1411 #include "xfs_format.h"
1512 #include "xfs_log_format.h"
1613 #include "xfs_trans_resv.h"
1714 #include "xfs_mount.h"
1815 #include "xfs_inode.h"
16
+#include "xfs_iwalk.h"
1917 #include "xfs_itable.h"
20
-#include "xfs_error.h"
2118 #include "xfs_fsops.h"
22
-#include "xfs_alloc.h"
2319 #include "xfs_rtalloc.h"
2420 #include "xfs_attr.h"
2521 #include "xfs_ioctl.h"
....@@ -52,12 +48,9 @@
5248 	struct xfs_mount	  *mp,
5349 	compat_xfs_fsop_geom_v1_t __user *arg32)
5450 {
55
-	xfs_fsop_geom_t		  fsgeo;
56
-	int			  error;
51
+	struct xfs_fsop_geom	  fsgeo;
5752 
58
-	error = xfs_fs_geometry(&mp->m_sb, &fsgeo, 3);
59
-	if (error)
60
-		return error;
53
+	xfs_fs_geometry(&mp->m_sb, &fsgeo, 3);
6154 	/* The 32-bit variant simply has some padding at the end */
6255 	if (copy_to_user(arg32, &fsgeo, sizeof(struct compat_xfs_fsop_geom_v1)))
6356 		return -EFAULT;
....@@ -87,27 +80,26 @@
8780 }
8881 
8982 STATIC int
90
-xfs_inumbers_fmt_compat(
91
-	void			__user *ubuffer,
92
-	const struct xfs_inogrp	*buffer,
93
-	long			count,
94
-	long			*written)
83
+xfs_fsinumbers_fmt_compat(
84
+	struct xfs_ibulk		*breq,
85
+	const struct xfs_inumbers	*ig)
9586 {
96
-	compat_xfs_inogrp_t	__user *p32 = ubuffer;
97
-	long			i;
87
+	struct compat_xfs_inogrp __user	*p32 = breq->ubuffer;
88
+	struct xfs_inogrp		ig1;
89
+	struct xfs_inogrp		*igrp = &ig1;
9890 
99
-	for (i = 0; i < count; i++) {
100
-		if (put_user(buffer[i].xi_startino,   &p32[i].xi_startino) ||
101
-		    put_user(buffer[i].xi_alloccount, &p32[i].xi_alloccount) ||
102
-		    put_user(buffer[i].xi_allocmask,  &p32[i].xi_allocmask))
103
-			return -EFAULT;
104
-	}
105
-	*written = count * sizeof(*p32);
106
-	return 0;
91
+	xfs_inumbers_to_inogrp(&ig1, ig);
92
+
93
+	if (put_user(igrp->xi_startino,   &p32->xi_startino) ||
94
+	    put_user(igrp->xi_alloccount, &p32->xi_alloccount) ||
95
+	    put_user(igrp->xi_allocmask,  &p32->xi_allocmask))
96
+		return -EFAULT;
97
+
98
+	return xfs_ibulk_advance(breq, sizeof(struct compat_xfs_inogrp));
10799 }
108100 
109101 #else
110
-#define xfs_inumbers_fmt_compat xfs_inumbers_fmt
102
+#define xfs_fsinumbers_fmt_compat xfs_fsinumbers_fmt
111103 #endif	/* BROKEN_X86_ALIGNMENT */
112104 
113105 STATIC int
....@@ -115,7 +107,7 @@
115107 	xfs_bstime_t		*bstime,
116108 	compat_xfs_bstime_t	__user *bstime32)
117109 {
118
-	compat_time_t		sec32;	/* tv_sec differs on 64 vs. 32 */
110
+	old_time32_t		sec32;	/* tv_sec differs on 64 vs. 32 */
119111 
120112 	if (get_user(sec32,		&bstime32->tv_sec)	||
121113 	    get_user(bstime->tv_nsec,	&bstime32->tv_nsec))
....@@ -124,11 +116,14 @@
124116 	return 0;
125117 }
126118 
127
-/* xfs_bstat_t has differing alignment on intel, & bstime_t sizes everywhere */
119
+/*
120
+ * struct xfs_bstat has differing alignment on intel, & bstime_t sizes
121
+ * everywhere
122
+ */
128123 STATIC int
129124 xfs_ioctl32_bstat_copyin(
130
-	xfs_bstat_t		*bstat,
131
-	compat_xfs_bstat_t	__user *bstat32)
125
+	struct xfs_bstat		*bstat,
126
+	struct compat_xfs_bstat	__user	*bstat32)
132127 {
133128 	if (get_user(bstat->bs_ino,	&bstat32->bs_ino)	||
134129 	    get_user(bstat->bs_mode,	&bstat32->bs_mode)	||
....@@ -174,16 +169,15 @@
174169 
175170 /* Return 0 on success or positive error (to xfs_bulkstat()) */
176171 STATIC int
177
-xfs_bulkstat_one_fmt_compat(
178
-	void			__user *ubuffer,
179
-	int			ubsize,
180
-	int			*ubused,
181
-	const xfs_bstat_t	*buffer)
172
+xfs_fsbulkstat_one_fmt_compat(
173
+	struct xfs_ibulk		*breq,
174
+	const struct xfs_bulkstat	*bstat)
182175 {
183
-	compat_xfs_bstat_t	__user *p32 = ubuffer;
176
+	struct compat_xfs_bstat	__user	*p32 = breq->ubuffer;
177
+	struct xfs_bstat		bs1;
178
+	struct xfs_bstat		*buffer = &bs1;
184179 
185
-	if (ubsize < sizeof(*p32))
186
-		return -ENOMEM;
180
+	xfs_bulkstat_to_bstat(breq->mp, &bs1, bstat);
187181 
188182 	if (put_user(buffer->bs_ino,	  &p32->bs_ino)		||
189183 	    put_user(buffer->bs_mode,	  &p32->bs_mode)	||
....@@ -208,37 +202,24 @@
208202 	    put_user(buffer->bs_dmstate,  &p32->bs_dmstate)	||
209203 	    put_user(buffer->bs_aextents, &p32->bs_aextents))
210204 		return -EFAULT;
211
-	if (ubused)
212
-		*ubused = sizeof(*p32);
213
-	return 0;
214
-}
215205 
216
-STATIC int
217
-xfs_bulkstat_one_compat(
218
-	xfs_mount_t	*mp,		/* mount point for filesystem */
219
-	xfs_ino_t	ino,		/* inode number to get data for */
220
-	void		__user *buffer,	/* buffer to place output in */
221
-	int		ubsize,		/* size of buffer */
222
-	int		*ubused,	/* bytes used by me */
223
-	int		*stat)		/* BULKSTAT_RV_... */
224
-{
225
-	return xfs_bulkstat_one_int(mp, ino, buffer, ubsize,
226
-				    xfs_bulkstat_one_fmt_compat,
227
-				    ubused, stat);
206
+	return xfs_ibulk_advance(breq, sizeof(struct compat_xfs_bstat));
228207 }
229208 
230209 /* copied from xfs_ioctl.c */
231210 STATIC int
232
-xfs_compat_ioc_bulkstat(
211
+xfs_compat_ioc_fsbulkstat(
233212 	xfs_mount_t		  *mp,
234213 	unsigned int		  cmd,
235
-	compat_xfs_fsop_bulkreq_t __user *p32)
214
+	struct compat_xfs_fsop_bulkreq __user *p32)
236215 {
237216 	u32			addr;
238
-	xfs_fsop_bulkreq_t	bulkreq;
239
-	int			count;	/* # of records returned */
240
-	xfs_ino_t		inlast;	/* last inode number */
241
-	int			done;
217
+	struct xfs_fsop_bulkreq	bulkreq;
218
+	struct xfs_ibulk	breq = {
219
+		.mp		= mp,
220
+		.ocount		= 0,
221
+	};
222
+	xfs_ino_t		lastino;
242223 	int			error;
243224 
244225 	/*
....@@ -247,9 +228,8 @@
247228 	 * to userpace memory via bulkreq.ubuffer.  Normally the compat
248229 	 * functions and structure size are the correct ones to use ...
249230 	 */
250
-	inumbers_fmt_pf inumbers_func = xfs_inumbers_fmt_compat;
251
-	bulkstat_one_pf	bs_one_func = xfs_bulkstat_one_compat;
252
-	size_t bs_one_size = sizeof(struct compat_xfs_bstat);
231
+	inumbers_fmt_pf		inumbers_func = xfs_fsinumbers_fmt_compat;
232
+	bulkstat_one_fmt_pf	bs_one_func = xfs_fsbulkstat_one_fmt_compat;
253233 
254234 #ifdef CONFIG_X86_X32
255235 	if (in_x32_syscall()) {
....@@ -261,9 +241,8 @@
261241 		 * the data written out in compat layout will not match what
262242 		 * x32 userspace expects.
263243 		 */
264
-		inumbers_func = xfs_inumbers_fmt;
265
-		bs_one_func = xfs_bulkstat_one;
266
-		bs_one_size = sizeof(struct xfs_bstat);
244
+		inumbers_func = xfs_fsinumbers_fmt;
245
+		bs_one_func = xfs_fsbulkstat_one_fmt;
267246 	}
268247 #endif
269248 
....@@ -287,40 +266,55 @@
287266 		return -EFAULT;
288267 	bulkreq.ocount = compat_ptr(addr);
289268 
290
-	if (copy_from_user(&inlast, bulkreq.lastip, sizeof(__s64)))
269
+	if (copy_from_user(&lastino, bulkreq.lastip, sizeof(__s64)))
291270 		return -EFAULT;
292271 
293
-	if ((count = bulkreq.icount) <= 0)
272
+	if (bulkreq.icount <= 0)
294273 		return -EINVAL;
295274 
296275 	if (bulkreq.ubuffer == NULL)
297276 		return -EINVAL;
298277 
299
-	if (cmd == XFS_IOC_FSINUMBERS_32) {
300
-		error = xfs_inumbers(mp, &inlast, &count,
301
-				bulkreq.ubuffer, inumbers_func);
302
-	} else if (cmd == XFS_IOC_FSBULKSTAT_SINGLE_32) {
303
-		int res;
278
+	breq.ubuffer = bulkreq.ubuffer;
279
+	breq.icount = bulkreq.icount;
304280 
305
-		error = bs_one_func(mp, inlast, bulkreq.ubuffer,
306
-				bs_one_size, NULL, &res);
281
+	/*
282
+	 * FSBULKSTAT_SINGLE expects that *lastip contains the inode number
283
+	 * that we want to stat.  However, FSINUMBERS and FSBULKSTAT expect
284
+	 * that *lastip contains either zero or the number of the last inode to
285
+	 * be examined by the previous call and return results starting with
286
+	 * the next inode after that.  The new bulk request back end functions
287
+	 * take the inode to start with, so we have to compute the startino
288
+	 * parameter from lastino to maintain correct function.  lastino == 0
289
+	 * is a special case because it has traditionally meant "first inode
290
+	 * in filesystem".
291
+	 */
292
+	if (cmd == XFS_IOC_FSINUMBERS_32) {
293
+		breq.startino = lastino ? lastino + 1 : 0;
294
+		error = xfs_inumbers(&breq, inumbers_func);
295
+		lastino = breq.startino - 1;
296
+	} else if (cmd == XFS_IOC_FSBULKSTAT_SINGLE_32) {
297
+		breq.startino = lastino;
298
+		breq.icount = 1;
299
+		error = xfs_bulkstat_one(&breq, bs_one_func);
300
+		lastino = breq.startino;
307301 	} else if (cmd == XFS_IOC_FSBULKSTAT_32) {
308
-		error = xfs_bulkstat(mp, &inlast, &count,
309
-			bs_one_func, bs_one_size,
310
-			bulkreq.ubuffer, &done);
311
-	} else
302
+		breq.startino = lastino ? lastino + 1 : 0;
303
+		error = xfs_bulkstat(&breq, bs_one_func);
304
+		lastino = breq.startino - 1;
305
+	} else {
312306 		error = -EINVAL;
307
+	}
313308 	if (error)
314309 		return error;
315310 
316
-	if (bulkreq.ocount != NULL) {
317
-		if (copy_to_user(bulkreq.lastip, &inlast,
318
-						sizeof(xfs_ino_t)))
319
-			return -EFAULT;
311
+	if (bulkreq.lastip != NULL &&
312
+	    copy_to_user(bulkreq.lastip, &lastino, sizeof(xfs_ino_t)))
313
+		return -EFAULT;
320314 
321
-		if (copy_to_user(bulkreq.ocount, &count, sizeof(count)))
322
-			return -EFAULT;
323
-	}
315
+	if (bulkreq.ocount != NULL &&
316
+	    copy_to_user(bulkreq.ocount, &breq.ocount, sizeof(__s32)))
317
+		return -EFAULT;
324318 
325319 	return 0;
326320 }
....@@ -358,56 +352,24 @@
358352 STATIC int
359353 xfs_compat_attrlist_by_handle(
360354 	struct file		*parfilp,
361
-	void			__user *arg)
355
+	compat_xfs_fsop_attrlist_handlereq_t __user *p)
362356 {
363
-	int			error;
364
-	attrlist_cursor_kern_t	*cursor;
365
-	compat_xfs_fsop_attrlist_handlereq_t __user *p = arg;
366357 	compat_xfs_fsop_attrlist_handlereq_t al_hreq;
367358 	struct dentry		*dentry;
368
-	char			*kbuf;
359
+	int			error;
369360 
370361 	if (!capable(CAP_SYS_ADMIN))
371362 		return -EPERM;
372
-	if (copy_from_user(&al_hreq, arg,
373
-			   sizeof(compat_xfs_fsop_attrlist_handlereq_t)))
363
+	if (copy_from_user(&al_hreq, p, sizeof(al_hreq)))
374364 		return -EFAULT;
375
-	if (al_hreq.buflen < sizeof(struct attrlist) ||
376
-	    al_hreq.buflen > XFS_XATTR_LIST_MAX)
377
-		return -EINVAL;
378
-
379
-	/*
380
-	 * Reject flags, only allow namespaces.
381
-	 */
382
-	if (al_hreq.flags & ~(ATTR_ROOT | ATTR_SECURE))
383
-		return -EINVAL;
384365 
385366 	dentry = xfs_compat_handlereq_to_dentry(parfilp, &al_hreq.hreq);
386367 	if (IS_ERR(dentry))
387368 		return PTR_ERR(dentry);
388369 
389
-	error = -ENOMEM;
390
-	kbuf = kmem_zalloc_large(al_hreq.buflen, KM_SLEEP);
391
-	if (!kbuf)
392
-		goto out_dput;
393
-
394
-	cursor = (attrlist_cursor_kern_t *)&al_hreq.pos;
395
-	error = xfs_attr_list(XFS_I(d_inode(dentry)), kbuf, al_hreq.buflen,
396
-					al_hreq.flags, cursor);
397
-	if (error)
398
-		goto out_kfree;
399
-
400
-	if (copy_to_user(&p->pos, cursor, sizeof(attrlist_cursor_kern_t))) {
401
-		error = -EFAULT;
402
-		goto out_kfree;
403
-	}
404
-
405
-	if (copy_to_user(compat_ptr(al_hreq.buffer), kbuf, al_hreq.buflen))
406
-		error = -EFAULT;
407
-
408
-out_kfree:
409
-	kmem_free(kbuf);
410
-out_dput:
370
+	error = xfs_ioc_attr_list(XFS_I(d_inode(dentry)),
371
+			compat_ptr(al_hreq.buffer), al_hreq.buflen,
372
+			al_hreq.flags, &p->pos);
411373 	dput(dentry);
412374 	return error;
413375 }
....@@ -422,7 +384,6 @@
422384 	compat_xfs_fsop_attrmulti_handlereq_t	am_hreq;
423385 	struct dentry				*dentry;
424386 	unsigned int				i, size;
425
-	unsigned char				*attr_name;
426387 
427388 	if (!capable(CAP_SYS_ADMIN))
428389 		return -EPERM;
....@@ -449,97 +410,20 @@
449410 		goto out_dput;
450411 	}
451412 
452
-	error = -ENOMEM;
453
-	attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL);
454
-	if (!attr_name)
455
-		goto out_kfree_ops;
456
-
457413 	error = 0;
458414 	for (i = 0; i < am_hreq.opcount; i++) {
459
-		ops[i].am_error = strncpy_from_user((char *)attr_name,
415
+		ops[i].am_error = xfs_ioc_attrmulti_one(parfilp,
416
+				d_inode(dentry), ops[i].am_opcode,
460417 				compat_ptr(ops[i].am_attrname),
461
-				MAXNAMELEN);
462
-		if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN)
463
-			error = -ERANGE;
464
-		if (ops[i].am_error < 0)
465
-			break;
466
-
467
-		switch (ops[i].am_opcode) {
468
-		case ATTR_OP_GET:
469
-			ops[i].am_error = xfs_attrmulti_attr_get(
470
-					d_inode(dentry), attr_name,
471
-					compat_ptr(ops[i].am_attrvalue),
472
-					&ops[i].am_length, ops[i].am_flags);
473
-			break;
474
-		case ATTR_OP_SET:
475
-			ops[i].am_error = mnt_want_write_file(parfilp);
476
-			if (ops[i].am_error)
477
-				break;
478
-			ops[i].am_error = xfs_attrmulti_attr_set(
479
-					d_inode(dentry), attr_name,
480
-					compat_ptr(ops[i].am_attrvalue),
481
-					ops[i].am_length, ops[i].am_flags);
482
-			mnt_drop_write_file(parfilp);
483
-			break;
484
-		case ATTR_OP_REMOVE:
485
-			ops[i].am_error = mnt_want_write_file(parfilp);
486
-			if (ops[i].am_error)
487
-				break;
488
-			ops[i].am_error = xfs_attrmulti_attr_remove(
489
-					d_inode(dentry), attr_name,
490
-					ops[i].am_flags);
491
-			mnt_drop_write_file(parfilp);
492
-			break;
493
-		default:
494
-			ops[i].am_error = -EINVAL;
495
-		}
418
+				compat_ptr(ops[i].am_attrvalue),
419
+				&ops[i].am_length, ops[i].am_flags);
496420 	}
497421 
498422 	if (copy_to_user(compat_ptr(am_hreq.ops), ops, size))
499423 		error = -EFAULT;
500424 
501
-	kfree(attr_name);
502
- out_kfree_ops:
503425 	kfree(ops);
504426  out_dput:
505
-	dput(dentry);
506
-	return error;
507
-}
508
-
509
-STATIC int
510
-xfs_compat_fssetdm_by_handle(
511
-	struct file		*parfilp,
512
-	void			__user *arg)
513
-{
514
-	int			error;
515
-	struct fsdmidata	fsd;
516
-	compat_xfs_fsop_setdm_handlereq_t dmhreq;
517
-	struct dentry		*dentry;
518
-
519
-	if (!capable(CAP_MKNOD))
520
-		return -EPERM;
521
-	if (copy_from_user(&dmhreq, arg,
522
-			   sizeof(compat_xfs_fsop_setdm_handlereq_t)))
523
-		return -EFAULT;
524
-
525
-	dentry = xfs_compat_handlereq_to_dentry(parfilp, &dmhreq.hreq);
526
-	if (IS_ERR(dentry))
527
-		return PTR_ERR(dentry);
528
-
529
-	if (IS_IMMUTABLE(d_inode(dentry)) || IS_APPEND(d_inode(dentry))) {
530
-		error = -EPERM;
531
-		goto out;
532
-	}
533
-
534
-	if (copy_from_user(&fsd, compat_ptr(dmhreq.data), sizeof(fsd))) {
535
-		error = -EFAULT;
536
-		goto out;
537
-	}
538
-
539
-	error = xfs_set_dmattrs(XFS_I(d_inode(dentry)), fsd.fsd_dmevmask,
540
-				 fsd.fsd_dmstate);
541
-
542
-out:
543427 	dput(dentry);
544428 	return error;
545429 }
....@@ -553,63 +437,23 @@
553437 	struct inode		*inode = file_inode(filp);
554438 	struct xfs_inode	*ip = XFS_I(inode);
555439 	struct xfs_mount	*mp = ip->i_mount;
556
-	void			__user *arg = (void __user *)p;
440
+	void			__user *arg = compat_ptr(p);
557441 	int			error;
558442 
559443 	trace_xfs_file_compat_ioctl(ip);
560444 
561445 	switch (cmd) {
562
-	/* No size or alignment issues on any arch */
563
-	case XFS_IOC_DIOINFO:
564
-	case XFS_IOC_FSGEOMETRY:
565
-	case XFS_IOC_FSGETXATTR:
566
-	case XFS_IOC_FSSETXATTR:
567
-	case XFS_IOC_FSGETXATTRA:
568
-	case XFS_IOC_FSSETDM:
569
-	case XFS_IOC_GETBMAP:
570
-	case XFS_IOC_GETBMAPA:
571
-	case XFS_IOC_GETBMAPX:
572
-	case XFS_IOC_FSCOUNTS:
573
-	case XFS_IOC_SET_RESBLKS:
574
-	case XFS_IOC_GET_RESBLKS:
575
-	case XFS_IOC_FSGROWFSLOG:
576
-	case XFS_IOC_GOINGDOWN:
577
-	case XFS_IOC_ERROR_INJECTION:
578
-	case XFS_IOC_ERROR_CLEARALL:
579
-	case FS_IOC_GETFSMAP:
580
-	case XFS_IOC_SCRUB_METADATA:
581
-		return xfs_file_ioctl(filp, cmd, p);
582
-#ifndef BROKEN_X86_ALIGNMENT
583
-	/* These are handled fine if no alignment issues */
584
-	case XFS_IOC_ALLOCSP:
585
-	case XFS_IOC_FREESP:
586
-	case XFS_IOC_RESVSP:
587
-	case XFS_IOC_UNRESVSP:
588
-	case XFS_IOC_ALLOCSP64:
589
-	case XFS_IOC_FREESP64:
590
-	case XFS_IOC_RESVSP64:
591
-	case XFS_IOC_UNRESVSP64:
592
-	case XFS_IOC_FSGEOMETRY_V1:
593
-	case XFS_IOC_FSGROWFSDATA:
594
-	case XFS_IOC_FSGROWFSRT:
595
-	case XFS_IOC_ZERO_RANGE:
596
-		return xfs_file_ioctl(filp, cmd, p);
597
-#else
446
+#if defined(BROKEN_X86_ALIGNMENT)
598447 	case XFS_IOC_ALLOCSP_32:
599448 	case XFS_IOC_FREESP_32:
600449 	case XFS_IOC_ALLOCSP64_32:
601
-	case XFS_IOC_FREESP64_32:
602
-	case XFS_IOC_RESVSP_32:
603
-	case XFS_IOC_UNRESVSP_32:
604
-	case XFS_IOC_RESVSP64_32:
605
-	case XFS_IOC_UNRESVSP64_32:
606
-	case XFS_IOC_ZERO_RANGE_32: {
450
+	case XFS_IOC_FREESP64_32: {
607451 		struct xfs_flock64	bf;
608452 
609453 		if (xfs_compat_flock64_copyin(&bf, arg))
610454 			return -EFAULT;
611455 		cmd = _NATIVE_IOC(cmd, struct xfs_flock64);
612
-		return xfs_ioc_space(filp, cmd, &bf);
456
+		return xfs_ioc_space(filp, &bf);
613457 	}
614458 	case XFS_IOC_FSGEOMETRY_V1_32:
615459 		return xfs_compat_ioc_fsgeometry_v1(mp, arg);
....@@ -663,7 +507,7 @@
663507 	case XFS_IOC_FSBULKSTAT_32:
664508 	case XFS_IOC_FSBULKSTAT_SINGLE_32:
665509 	case XFS_IOC_FSINUMBERS_32:
666
-		return xfs_compat_ioc_bulkstat(mp, cmd, arg);
510
+		return xfs_compat_ioc_fsbulkstat(mp, cmd, arg);
667511 	case XFS_IOC_FD_TO_HANDLE_32:
668512 	case XFS_IOC_PATH_TO_HANDLE_32:
669513 	case XFS_IOC_PATH_TO_FSHANDLE_32: {
....@@ -692,9 +536,8 @@
692536 		return xfs_compat_attrlist_by_handle(filp, arg);
693537 	case XFS_IOC_ATTRMULTI_BY_HANDLE_32:
694538 		return xfs_compat_attrmulti_by_handle(filp, arg);
695
-	case XFS_IOC_FSSETDM_BY_HANDLE_32:
696
-		return xfs_compat_fssetdm_by_handle(filp, arg);
697539 	default:
698
-		return -ENOIOCTLCMD;
540
+		/* try the native version */
541
+		return xfs_file_ioctl(filp, cmd, (unsigned long)arg);
699542 	}
700543 }