xfs_ioctl32.c 18.2 KB
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
/*
 * 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/ioctl.h>
#include <linux/mount.h>
#include <linux/slab.h>
#include <asm/uaccess.h>
#include "xfs.h"
#include "xfs_fs.h"
#include "xfs_format.h"
#include "xfs_log_format.h"
#include "xfs_trans_resv.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_vnode.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"

#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 -XFS_ERROR(EFAULT);
	return 0;
}

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

	error = xfs_fs_geometry(mp, &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 -XFS_ERROR(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 -XFS_ERROR(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 -XFS_ERROR(EFAULT);
	return 0;
}

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 -XFS_ERROR(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 -XFS_ERROR(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_dmevmask, &bstat32->bs_dmevmask)	||
	    get_user(bstat->bs_dmstate,	&bstat32->bs_dmstate)	||
	    get_user(bstat->bs_aextents, &bstat32->bs_aextents))
		return -XFS_ERROR(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 -XFS_ERROR(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 XFS_ERROR(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_dmevmask, &p32->bs_dmevmask)	||
	    put_user(buffer->bs_dmstate,  &p32->bs_dmstate)	||
	    put_user(buffer->bs_aextents, &p32->bs_aextents))
		return XFS_ERROR(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;

	/* 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 -XFS_ERROR(EPERM);

	if (XFS_FORCED_SHUTDOWN(mp))
		return -XFS_ERROR(EIO);

	if (get_user(addr, &p32->lastip))
		return -XFS_ERROR(EFAULT);
	bulkreq.lastip = compat_ptr(addr);
	if (get_user(bulkreq.icount, &p32->icount) ||
	    get_user(addr, &p32->ubuffer))
		return -XFS_ERROR(EFAULT);
	bulkreq.ubuffer = compat_ptr(addr);
	if (get_user(addr, &p32->ocount))
		return -XFS_ERROR(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_32) {
		error = xfs_inumbers(mp, &inlast, &count,
				bulkreq.ubuffer, xfs_inumbers_fmt_compat);
	} else if (cmd == XFS_IOC_FSBULKSTAT_SINGLE_32) {
		int res;

		error = xfs_bulkstat_one_compat(mp, inlast, bulkreq.ubuffer,
				sizeof(compat_xfs_bstat_t), NULL, &res);
	} else if (cmd == XFS_IOC_FSBULKSTAT_32) {
		error = xfs_bulkstat(mp, &inlast, &count,
			xfs_bulkstat_one_compat, sizeof(compat_xfs_bstat_t),
			bulkreq.ubuffer, &done);
	} else
		error = XFS_ERROR(EINVAL);
	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;
}

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 -XFS_ERROR(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 al_hreq;
	struct dentry		*dentry;
	char			*kbuf;

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

	/*
	 * Reject flags, only allow namespaces.
	 */
	if (al_hreq.flags & ~(ATTR_ROOT | ATTR_SECURE))
		return -XFS_ERROR(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(dentry->d_inode), kbuf, al_hreq.buflen,
					al_hreq.flags, cursor);
	if (error)
		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 -XFS_ERROR(EPERM);
	if (copy_from_user(&am_hreq, arg,
			   sizeof(compat_xfs_fsop_attrmulti_handlereq_t)))
		return -XFS_ERROR(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;
	}

	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(
					dentry->d_inode, 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(
					dentry->d_inode, 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(
					dentry->d_inode, 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 = XFS_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 -XFS_ERROR(EPERM);
	if (copy_from_user(&dmhreq, arg,
			   sizeof(compat_xfs_fsop_setdm_handlereq_t)))
		return -XFS_ERROR(EFAULT);

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

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

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

	error = -xfs_set_dmattrs(XFS_I(dentry->d_inode), 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			ioflags = 0;
	int			error;

	if (filp->f_mode & FMODE_NOCMTIME)
		ioflags |= IO_INVIS;

	trace_xfs_file_compat_ioctl(ip);

	switch (cmd) {
	/* No size or alignment issues on any arch */
	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:
	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:
		return xfs_file_ioctl(filp, cmd, p);
#ifndef BROKEN_X86_ALIGNMENT
	/* 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:
	case XFS_IOC_FSGROWFSDATA:
	case XFS_IOC_FSGROWFSRT:
	case XFS_IOC_ZERO_RANGE:
		return xfs_file_ioctl(filp, cmd, p);
#else
	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 -XFS_ERROR(EFAULT);
		cmd = _NATIVE_IOC(cmd, struct xfs_flock64);
		return xfs_ioc_space(ip, inode, filp, ioflags, 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 -XFS_ERROR(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 -XFS_ERROR(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 -XFS_ERROR(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 -XFS_ERROR(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 -XFS_ERROR(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 -XFS_ERROR(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 -XFS_ERROR(ENOIOCTLCMD);
	}
}