diff options
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_ioctl32.c')
-rw-r--r-- | fs/xfs/linux-2.6/xfs_ioctl32.c | 672 |
1 files changed, 0 insertions, 672 deletions
diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c deleted file mode 100644 index 54e623bfbb85..000000000000 --- a/fs/xfs/linux-2.6/xfs_ioctl32.c +++ /dev/null @@ -1,672 +0,0 @@ -/* - * 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_bit.h" -#include "xfs_log.h" -#include "xfs_inum.h" -#include "xfs_trans.h" -#include "xfs_sb.h" -#include "xfs_ag.h" -#include "xfs_mount.h" -#include "xfs_bmap_btree.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_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), 0, &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 > 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 = kmalloc(al_hreq.buflen, GFP_KERNEL); - 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: - kfree(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(parfilp->f_path.mnt); - 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(parfilp->f_path.mnt); - break; - case ATTR_OP_REMOVE: - ops[i].am_error = mnt_want_write(parfilp->f_path.mnt); - 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(parfilp->f_path.mnt); - 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 = filp->f_path.dentry->d_inode; - 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 = xfs_growfs_data(mp, &in); - 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 = xfs_growfs_rt(mp, &in); - 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 = xfs_swapext(&sxp); - 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); - } -} |