Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 2 | * Copyright (c) 2004-2005 Silicon Graphics, Inc. |
| 3 | * All Rights Reserved. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License as |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | * published by the Free Software Foundation. |
| 8 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 9 | * This program is distributed in the hope that it would be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write the Free Software Foundation, |
| 16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | #include <linux/compat.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | #include <linux/ioctl.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | #include <asm/uaccess.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | #include "xfs.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include "xfs_fs.h" |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 23 | #include "xfs_bit.h" |
| 24 | #include "xfs_log.h" |
| 25 | #include "xfs_inum.h" |
| 26 | #include "xfs_trans.h" |
| 27 | #include "xfs_sb.h" |
| 28 | #include "xfs_ag.h" |
| 29 | #include "xfs_dir2.h" |
| 30 | #include "xfs_dmapi.h" |
| 31 | #include "xfs_mount.h" |
| 32 | #include "xfs_bmap_btree.h" |
| 33 | #include "xfs_attr_sf.h" |
| 34 | #include "xfs_dir2_sf.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | #include "xfs_vnode.h" |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 36 | #include "xfs_dinode.h" |
| 37 | #include "xfs_inode.h" |
| 38 | #include "xfs_itable.h" |
| 39 | #include "xfs_error.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | #include "xfs_dfrag.h" |
Christoph Hellwig | 739bfb2 | 2007-08-29 10:58:01 +1000 | [diff] [blame] | 41 | #include "xfs_vnodeops.h" |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 42 | #include "xfs_fsops.h" |
sandeen@sandeen.net | 471d591 | 2008-11-25 21:20:10 -0600 | [diff] [blame] | 43 | #include "xfs_alloc.h" |
| 44 | #include "xfs_rtalloc.h" |
sandeen@sandeen.net | ebeecd2 | 2008-11-25 21:20:14 -0600 | [diff] [blame] | 45 | #include "xfs_attr.h" |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 46 | #include "xfs_ioctl.h" |
David Chinner | a8272ce | 2007-11-23 16:28:09 +1100 | [diff] [blame] | 47 | #include "xfs_ioctl32.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | |
Eric Sandeen | 526c420 | 2005-09-05 08:25:06 +1000 | [diff] [blame] | 49 | #define _NATIVE_IOC(cmd, type) \ |
| 50 | _IOC(_IOC_DIR(cmd), _IOC_TYPE(cmd), _IOC_NR(cmd), sizeof(type)) |
| 51 | |
sandeen@sandeen.net | ffae263 | 2008-11-25 21:20:07 -0600 | [diff] [blame] | 52 | #ifdef BROKEN_X86_ALIGNMENT |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 53 | STATIC int |
| 54 | xfs_compat_flock64_copyin( |
| 55 | xfs_flock64_t *bf, |
| 56 | compat_xfs_flock64_t __user *arg32) |
Eric Sandeen | 526c420 | 2005-09-05 08:25:06 +1000 | [diff] [blame] | 57 | { |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 58 | if (get_user(bf->l_type, &arg32->l_type) || |
| 59 | get_user(bf->l_whence, &arg32->l_whence) || |
| 60 | get_user(bf->l_start, &arg32->l_start) || |
| 61 | get_user(bf->l_len, &arg32->l_len) || |
| 62 | get_user(bf->l_sysid, &arg32->l_sysid) || |
| 63 | get_user(bf->l_pid, &arg32->l_pid) || |
| 64 | copy_from_user(bf->l_pad, &arg32->l_pad, 4*sizeof(u32))) |
| 65 | return -XFS_ERROR(EFAULT); |
| 66 | return 0; |
Eric Sandeen | 526c420 | 2005-09-05 08:25:06 +1000 | [diff] [blame] | 67 | } |
| 68 | |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 69 | STATIC int |
| 70 | xfs_compat_ioc_fsgeometry_v1( |
| 71 | struct xfs_mount *mp, |
| 72 | compat_xfs_fsop_geom_v1_t __user *arg32) |
Michal Marek | 547e00c | 2007-07-11 11:09:57 +1000 | [diff] [blame] | 73 | { |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 74 | xfs_fsop_geom_t fsgeo; |
| 75 | int error; |
Michal Marek | 547e00c | 2007-07-11 11:09:57 +1000 | [diff] [blame] | 76 | |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 77 | error = xfs_fs_geometry(mp, &fsgeo, 3); |
| 78 | if (error) |
| 79 | return -error; |
| 80 | /* The 32-bit variant simply has some padding at the end */ |
| 81 | if (copy_to_user(arg32, &fsgeo, sizeof(struct compat_xfs_fsop_geom_v1))) |
| 82 | return -XFS_ERROR(EFAULT); |
| 83 | return 0; |
Michal Marek | 547e00c | 2007-07-11 11:09:57 +1000 | [diff] [blame] | 84 | } |
| 85 | |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 86 | STATIC int |
sandeen@sandeen.net | 471d591 | 2008-11-25 21:20:10 -0600 | [diff] [blame] | 87 | xfs_compat_growfs_data_copyin( |
| 88 | struct xfs_growfs_data *in, |
| 89 | compat_xfs_growfs_data_t __user *arg32) |
| 90 | { |
| 91 | if (get_user(in->newblocks, &arg32->newblocks) || |
| 92 | get_user(in->imaxpct, &arg32->imaxpct)) |
| 93 | return -XFS_ERROR(EFAULT); |
| 94 | return 0; |
| 95 | } |
| 96 | |
| 97 | STATIC int |
| 98 | xfs_compat_growfs_rt_copyin( |
| 99 | struct xfs_growfs_rt *in, |
| 100 | compat_xfs_growfs_rt_t __user *arg32) |
| 101 | { |
| 102 | if (get_user(in->newblocks, &arg32->newblocks) || |
| 103 | get_user(in->extsize, &arg32->extsize)) |
| 104 | return -XFS_ERROR(EFAULT); |
| 105 | return 0; |
| 106 | } |
| 107 | |
| 108 | STATIC int |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 109 | xfs_inumbers_fmt_compat( |
| 110 | void __user *ubuffer, |
| 111 | const xfs_inogrp_t *buffer, |
| 112 | long count, |
| 113 | long *written) |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 114 | { |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 115 | compat_xfs_inogrp_t __user *p32 = ubuffer; |
| 116 | long i; |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 117 | |
| 118 | for (i = 0; i < count; i++) { |
| 119 | if (put_user(buffer[i].xi_startino, &p32[i].xi_startino) || |
| 120 | put_user(buffer[i].xi_alloccount, &p32[i].xi_alloccount) || |
| 121 | put_user(buffer[i].xi_allocmask, &p32[i].xi_allocmask)) |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 122 | return -XFS_ERROR(EFAULT); |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 123 | } |
| 124 | *written = count * sizeof(*p32); |
| 125 | return 0; |
| 126 | } |
| 127 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | #else |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 129 | #define xfs_inumbers_fmt_compat xfs_inumbers_fmt |
sandeen@sandeen.net | e5d412f | 2008-11-25 21:20:17 -0600 | [diff] [blame] | 130 | #endif /* BROKEN_X86_ALIGNMENT */ |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 131 | |
sandeen@sandeen.net | e94fc4a | 2008-11-25 21:20:09 -0600 | [diff] [blame] | 132 | STATIC int |
| 133 | xfs_ioctl32_bstime_copyin( |
| 134 | xfs_bstime_t *bstime, |
| 135 | compat_xfs_bstime_t __user *bstime32) |
| 136 | { |
| 137 | compat_time_t sec32; /* tv_sec differs on 64 vs. 32 */ |
| 138 | |
| 139 | if (get_user(sec32, &bstime32->tv_sec) || |
| 140 | get_user(bstime->tv_nsec, &bstime32->tv_nsec)) |
| 141 | return -XFS_ERROR(EFAULT); |
| 142 | bstime->tv_sec = sec32; |
| 143 | return 0; |
| 144 | } |
| 145 | |
| 146 | /* xfs_bstat_t has differing alignment on intel, & bstime_t sizes everywhere */ |
| 147 | STATIC int |
| 148 | xfs_ioctl32_bstat_copyin( |
| 149 | xfs_bstat_t *bstat, |
| 150 | compat_xfs_bstat_t __user *bstat32) |
| 151 | { |
| 152 | if (get_user(bstat->bs_ino, &bstat32->bs_ino) || |
| 153 | get_user(bstat->bs_mode, &bstat32->bs_mode) || |
| 154 | get_user(bstat->bs_nlink, &bstat32->bs_nlink) || |
| 155 | get_user(bstat->bs_uid, &bstat32->bs_uid) || |
| 156 | get_user(bstat->bs_gid, &bstat32->bs_gid) || |
| 157 | get_user(bstat->bs_rdev, &bstat32->bs_rdev) || |
| 158 | get_user(bstat->bs_blksize, &bstat32->bs_blksize) || |
| 159 | get_user(bstat->bs_size, &bstat32->bs_size) || |
| 160 | xfs_ioctl32_bstime_copyin(&bstat->bs_atime, &bstat32->bs_atime) || |
| 161 | xfs_ioctl32_bstime_copyin(&bstat->bs_mtime, &bstat32->bs_mtime) || |
| 162 | xfs_ioctl32_bstime_copyin(&bstat->bs_ctime, &bstat32->bs_ctime) || |
| 163 | get_user(bstat->bs_blocks, &bstat32->bs_size) || |
| 164 | get_user(bstat->bs_xflags, &bstat32->bs_size) || |
| 165 | get_user(bstat->bs_extsize, &bstat32->bs_extsize) || |
| 166 | get_user(bstat->bs_extents, &bstat32->bs_extents) || |
| 167 | get_user(bstat->bs_gen, &bstat32->bs_gen) || |
| 168 | get_user(bstat->bs_projid, &bstat32->bs_projid) || |
| 169 | get_user(bstat->bs_dmevmask, &bstat32->bs_dmevmask) || |
| 170 | get_user(bstat->bs_dmstate, &bstat32->bs_dmstate) || |
| 171 | get_user(bstat->bs_aextents, &bstat32->bs_aextents)) |
| 172 | return -XFS_ERROR(EFAULT); |
| 173 | return 0; |
| 174 | } |
| 175 | |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 176 | /* XFS_IOC_FSBULKSTAT and friends */ |
| 177 | |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 178 | STATIC int |
| 179 | xfs_bstime_store_compat( |
| 180 | compat_xfs_bstime_t __user *p32, |
| 181 | const xfs_bstime_t *p) |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 182 | { |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 183 | __s32 sec32; |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 184 | |
| 185 | sec32 = p->tv_sec; |
| 186 | if (put_user(sec32, &p32->tv_sec) || |
| 187 | put_user(p->tv_nsec, &p32->tv_nsec)) |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 188 | return -XFS_ERROR(EFAULT); |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 189 | return 0; |
| 190 | } |
| 191 | |
sandeen@sandeen.net | 65fbaf2 | 2008-11-25 21:20:12 -0600 | [diff] [blame] | 192 | /* Return 0 on success or positive error (to xfs_bulkstat()) */ |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 193 | STATIC int |
| 194 | xfs_bulkstat_one_fmt_compat( |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 195 | void __user *ubuffer, |
sandeen@sandeen.net | 65fbaf2 | 2008-11-25 21:20:12 -0600 | [diff] [blame] | 196 | int ubsize, |
| 197 | int *ubused, |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 198 | const xfs_bstat_t *buffer) |
| 199 | { |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 200 | compat_xfs_bstat_t __user *p32 = ubuffer; |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 201 | |
sandeen@sandeen.net | 65fbaf2 | 2008-11-25 21:20:12 -0600 | [diff] [blame] | 202 | if (ubsize < sizeof(*p32)) |
| 203 | return XFS_ERROR(ENOMEM); |
| 204 | |
| 205 | if (put_user(buffer->bs_ino, &p32->bs_ino) || |
| 206 | put_user(buffer->bs_mode, &p32->bs_mode) || |
| 207 | put_user(buffer->bs_nlink, &p32->bs_nlink) || |
| 208 | put_user(buffer->bs_uid, &p32->bs_uid) || |
| 209 | put_user(buffer->bs_gid, &p32->bs_gid) || |
| 210 | put_user(buffer->bs_rdev, &p32->bs_rdev) || |
| 211 | put_user(buffer->bs_blksize, &p32->bs_blksize) || |
| 212 | put_user(buffer->bs_size, &p32->bs_size) || |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 213 | xfs_bstime_store_compat(&p32->bs_atime, &buffer->bs_atime) || |
| 214 | xfs_bstime_store_compat(&p32->bs_mtime, &buffer->bs_mtime) || |
| 215 | xfs_bstime_store_compat(&p32->bs_ctime, &buffer->bs_ctime) || |
sandeen@sandeen.net | 65fbaf2 | 2008-11-25 21:20:12 -0600 | [diff] [blame] | 216 | put_user(buffer->bs_blocks, &p32->bs_blocks) || |
| 217 | put_user(buffer->bs_xflags, &p32->bs_xflags) || |
| 218 | put_user(buffer->bs_extsize, &p32->bs_extsize) || |
| 219 | put_user(buffer->bs_extents, &p32->bs_extents) || |
| 220 | put_user(buffer->bs_gen, &p32->bs_gen) || |
| 221 | put_user(buffer->bs_projid, &p32->bs_projid) || |
| 222 | put_user(buffer->bs_dmevmask, &p32->bs_dmevmask) || |
| 223 | put_user(buffer->bs_dmstate, &p32->bs_dmstate) || |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 224 | put_user(buffer->bs_aextents, &p32->bs_aextents)) |
sandeen@sandeen.net | 65fbaf2 | 2008-11-25 21:20:12 -0600 | [diff] [blame] | 225 | return XFS_ERROR(EFAULT); |
| 226 | if (ubused) |
| 227 | *ubused = sizeof(*p32); |
| 228 | return 0; |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 229 | } |
| 230 | |
sandeen@sandeen.net | 2ee4fa5 | 2008-11-25 21:20:11 -0600 | [diff] [blame] | 231 | STATIC int |
| 232 | xfs_bulkstat_one_compat( |
| 233 | xfs_mount_t *mp, /* mount point for filesystem */ |
| 234 | xfs_ino_t ino, /* inode number to get data for */ |
| 235 | void __user *buffer, /* buffer to place output in */ |
| 236 | int ubsize, /* size of buffer */ |
| 237 | void *private_data, /* my private data */ |
| 238 | xfs_daddr_t bno, /* starting bno of inode cluster */ |
| 239 | int *ubused, /* bytes used by me */ |
| 240 | void *dibuff, /* on-disk inode buffer */ |
| 241 | int *stat) /* BULKSTAT_RV_... */ |
| 242 | { |
| 243 | return xfs_bulkstat_one_int(mp, ino, buffer, ubsize, |
| 244 | xfs_bulkstat_one_fmt_compat, bno, |
| 245 | ubused, dibuff, stat); |
| 246 | } |
| 247 | |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 248 | /* copied from xfs_ioctl.c */ |
| 249 | STATIC int |
sandeen@sandeen.net | 2ee4fa5 | 2008-11-25 21:20:11 -0600 | [diff] [blame] | 250 | xfs_compat_ioc_bulkstat( |
| 251 | xfs_mount_t *mp, |
| 252 | unsigned int cmd, |
| 253 | compat_xfs_fsop_bulkreq_t __user *p32) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | u32 addr; |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 256 | xfs_fsop_bulkreq_t bulkreq; |
| 257 | int count; /* # of records returned */ |
| 258 | xfs_ino_t inlast; /* last inode number */ |
| 259 | int done; |
| 260 | int error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 262 | /* done = 1 if there are more stats to get and if bulkstat */ |
| 263 | /* should be called again (unused here, but used in dmapi) */ |
| 264 | |
| 265 | if (!capable(CAP_SYS_ADMIN)) |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 266 | return -XFS_ERROR(EPERM); |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 267 | |
| 268 | if (XFS_FORCED_SHUTDOWN(mp)) |
| 269 | return -XFS_ERROR(EIO); |
| 270 | |
| 271 | if (get_user(addr, &p32->lastip)) |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 272 | return -XFS_ERROR(EFAULT); |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 273 | bulkreq.lastip = compat_ptr(addr); |
| 274 | if (get_user(bulkreq.icount, &p32->icount) || |
| 275 | get_user(addr, &p32->ubuffer)) |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 276 | return -XFS_ERROR(EFAULT); |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 277 | bulkreq.ubuffer = compat_ptr(addr); |
| 278 | if (get_user(addr, &p32->ocount)) |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 279 | return -XFS_ERROR(EFAULT); |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 280 | bulkreq.ocount = compat_ptr(addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 282 | if (copy_from_user(&inlast, bulkreq.lastip, sizeof(__s64))) |
| 283 | return -XFS_ERROR(EFAULT); |
| 284 | |
| 285 | if ((count = bulkreq.icount) <= 0) |
| 286 | return -XFS_ERROR(EINVAL); |
| 287 | |
Lachlan McIlroy | cd57e59 | 2007-11-23 16:30:32 +1100 | [diff] [blame] | 288 | if (bulkreq.ubuffer == NULL) |
| 289 | return -XFS_ERROR(EINVAL); |
| 290 | |
sandeen@sandeen.net | af819d2 | 2008-11-25 21:20:13 -0600 | [diff] [blame] | 291 | if (cmd == XFS_IOC_FSINUMBERS_32) { |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 292 | error = xfs_inumbers(mp, &inlast, &count, |
| 293 | bulkreq.ubuffer, xfs_inumbers_fmt_compat); |
sandeen@sandeen.net | af819d2 | 2008-11-25 21:20:13 -0600 | [diff] [blame] | 294 | } else if (cmd == XFS_IOC_FSBULKSTAT_SINGLE_32) { |
| 295 | int res; |
| 296 | |
| 297 | error = xfs_bulkstat_one_compat(mp, inlast, bulkreq.ubuffer, |
| 298 | sizeof(compat_xfs_bstat_t), |
| 299 | NULL, 0, NULL, NULL, &res); |
| 300 | } else if (cmd == XFS_IOC_FSBULKSTAT_32) { |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 301 | error = xfs_bulkstat(mp, &inlast, &count, |
sandeen@sandeen.net | 2ee4fa5 | 2008-11-25 21:20:11 -0600 | [diff] [blame] | 302 | xfs_bulkstat_one_compat, NULL, |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 303 | sizeof(compat_xfs_bstat_t), bulkreq.ubuffer, |
| 304 | BULKSTAT_FG_QUICK, &done); |
sandeen@sandeen.net | af819d2 | 2008-11-25 21:20:13 -0600 | [diff] [blame] | 305 | } else |
| 306 | error = XFS_ERROR(EINVAL); |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 307 | if (error) |
| 308 | return -error; |
| 309 | |
| 310 | if (bulkreq.ocount != NULL) { |
| 311 | if (copy_to_user(bulkreq.lastip, &inlast, |
| 312 | sizeof(xfs_ino_t))) |
| 313 | return -XFS_ERROR(EFAULT); |
| 314 | |
| 315 | if (copy_to_user(bulkreq.ocount, &count, sizeof(count))) |
| 316 | return -XFS_ERROR(EFAULT); |
| 317 | } |
| 318 | |
| 319 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | } |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 321 | |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 322 | STATIC int |
| 323 | xfs_compat_handlereq_copyin( |
| 324 | xfs_fsop_handlereq_t *hreq, |
| 325 | compat_xfs_fsop_handlereq_t __user *arg32) |
Michal Marek | 1fa503d | 2007-07-11 11:10:09 +1000 | [diff] [blame] | 326 | { |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 327 | compat_xfs_fsop_handlereq_t hreq32; |
Michal Marek | 1fa503d | 2007-07-11 11:10:09 +1000 | [diff] [blame] | 328 | |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 329 | if (copy_from_user(&hreq32, arg32, sizeof(compat_xfs_fsop_handlereq_t))) |
| 330 | return -XFS_ERROR(EFAULT); |
Michal Marek | 1fa503d | 2007-07-11 11:10:09 +1000 | [diff] [blame] | 331 | |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 332 | hreq->fd = hreq32.fd; |
| 333 | hreq->path = compat_ptr(hreq32.path); |
| 334 | hreq->oflags = hreq32.oflags; |
| 335 | hreq->ihandle = compat_ptr(hreq32.ihandle); |
| 336 | hreq->ihandlen = hreq32.ihandlen; |
| 337 | hreq->ohandle = compat_ptr(hreq32.ohandle); |
| 338 | hreq->ohandlen = compat_ptr(hreq32.ohandlen); |
| 339 | |
| 340 | return 0; |
Michal Marek | 1fa503d | 2007-07-11 11:10:09 +1000 | [diff] [blame] | 341 | } |
| 342 | |
sandeen@sandeen.net | ebeecd2 | 2008-11-25 21:20:14 -0600 | [diff] [blame] | 343 | /* |
| 344 | * Convert userspace handle data into inode. |
| 345 | * |
| 346 | * We use the fact that all the fsop_handlereq ioctl calls have a data |
| 347 | * structure argument whose first component is always a xfs_fsop_handlereq_t, |
| 348 | * so we can pass that sub structure into this handy, shared routine. |
| 349 | * |
| 350 | * If no error, caller must always iput the returned inode. |
| 351 | */ |
| 352 | STATIC int |
| 353 | xfs_vget_fsop_handlereq_compat( |
| 354 | xfs_mount_t *mp, |
| 355 | struct inode *parinode, /* parent inode pointer */ |
| 356 | compat_xfs_fsop_handlereq_t *hreq, |
| 357 | struct inode **inode) |
| 358 | { |
| 359 | void __user *hanp; |
| 360 | size_t hlen; |
| 361 | xfs_fid_t *xfid; |
| 362 | xfs_handle_t *handlep; |
| 363 | xfs_handle_t handle; |
| 364 | xfs_inode_t *ip; |
| 365 | xfs_ino_t ino; |
| 366 | __u32 igen; |
| 367 | int error; |
| 368 | |
| 369 | /* |
| 370 | * Only allow handle opens under a directory. |
| 371 | */ |
| 372 | if (!S_ISDIR(parinode->i_mode)) |
| 373 | return XFS_ERROR(ENOTDIR); |
| 374 | |
| 375 | hanp = compat_ptr(hreq->ihandle); |
| 376 | hlen = hreq->ihandlen; |
| 377 | handlep = &handle; |
| 378 | |
| 379 | if (hlen < sizeof(handlep->ha_fsid) || hlen > sizeof(*handlep)) |
| 380 | return XFS_ERROR(EINVAL); |
| 381 | if (copy_from_user(handlep, hanp, hlen)) |
| 382 | return XFS_ERROR(EFAULT); |
| 383 | if (hlen < sizeof(*handlep)) |
| 384 | memset(((char *)handlep) + hlen, 0, sizeof(*handlep) - hlen); |
| 385 | if (hlen > sizeof(handlep->ha_fsid)) { |
| 386 | if (handlep->ha_fid.fid_len != |
| 387 | (hlen - sizeof(handlep->ha_fsid) - |
| 388 | sizeof(handlep->ha_fid.fid_len)) || |
| 389 | handlep->ha_fid.fid_pad) |
| 390 | return XFS_ERROR(EINVAL); |
| 391 | } |
| 392 | |
| 393 | /* |
| 394 | * Crack the handle, obtain the inode # & generation # |
| 395 | */ |
| 396 | xfid = (struct xfs_fid *)&handlep->ha_fid; |
| 397 | if (xfid->fid_len == sizeof(*xfid) - sizeof(xfid->fid_len)) { |
| 398 | ino = xfid->fid_ino; |
| 399 | igen = xfid->fid_gen; |
| 400 | } else { |
| 401 | return XFS_ERROR(EINVAL); |
| 402 | } |
| 403 | |
| 404 | /* |
| 405 | * Get the XFS inode, building a Linux inode to go with it. |
| 406 | */ |
| 407 | error = xfs_iget(mp, NULL, ino, 0, XFS_ILOCK_SHARED, &ip, 0); |
| 408 | if (error) |
| 409 | return error; |
| 410 | if (ip == NULL) |
| 411 | return XFS_ERROR(EIO); |
| 412 | if (ip->i_d.di_gen != igen) { |
| 413 | xfs_iput_new(ip, XFS_ILOCK_SHARED); |
| 414 | return XFS_ERROR(ENOENT); |
| 415 | } |
| 416 | |
| 417 | xfs_iunlock(ip, XFS_ILOCK_SHARED); |
| 418 | |
| 419 | *inode = VFS_I(ip); |
| 420 | return 0; |
| 421 | } |
| 422 | |
| 423 | STATIC int |
| 424 | xfs_compat_attrlist_by_handle( |
| 425 | xfs_mount_t *mp, |
| 426 | void __user *arg, |
| 427 | struct inode *parinode) |
| 428 | { |
| 429 | int error; |
| 430 | attrlist_cursor_kern_t *cursor; |
| 431 | compat_xfs_fsop_attrlist_handlereq_t al_hreq; |
| 432 | struct inode *inode; |
| 433 | char *kbuf; |
| 434 | |
| 435 | if (!capable(CAP_SYS_ADMIN)) |
| 436 | return -XFS_ERROR(EPERM); |
| 437 | if (copy_from_user(&al_hreq, arg, |
| 438 | sizeof(compat_xfs_fsop_attrlist_handlereq_t))) |
| 439 | return -XFS_ERROR(EFAULT); |
| 440 | if (al_hreq.buflen > XATTR_LIST_MAX) |
| 441 | return -XFS_ERROR(EINVAL); |
| 442 | |
| 443 | /* |
| 444 | * Reject flags, only allow namespaces. |
| 445 | */ |
| 446 | if (al_hreq.flags & ~(ATTR_ROOT | ATTR_SECURE)) |
| 447 | return -XFS_ERROR(EINVAL); |
| 448 | |
| 449 | error = xfs_vget_fsop_handlereq_compat(mp, parinode, &al_hreq.hreq, |
| 450 | &inode); |
| 451 | if (error) |
| 452 | goto out; |
| 453 | |
| 454 | kbuf = kmalloc(al_hreq.buflen, GFP_KERNEL); |
| 455 | if (!kbuf) |
| 456 | goto out_vn_rele; |
| 457 | |
| 458 | cursor = (attrlist_cursor_kern_t *)&al_hreq.pos; |
| 459 | error = xfs_attr_list(XFS_I(inode), kbuf, al_hreq.buflen, |
| 460 | al_hreq.flags, cursor); |
| 461 | if (error) |
| 462 | goto out_kfree; |
| 463 | |
| 464 | if (copy_to_user(compat_ptr(al_hreq.buffer), kbuf, al_hreq.buflen)) |
| 465 | error = -EFAULT; |
| 466 | |
| 467 | out_kfree: |
| 468 | kfree(kbuf); |
| 469 | out_vn_rele: |
| 470 | iput(inode); |
| 471 | out: |
| 472 | return -error; |
| 473 | } |
| 474 | |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 475 | STATIC int |
| 476 | xfs_compat_attrmulti_by_handle( |
| 477 | xfs_mount_t *mp, |
| 478 | void __user *arg, |
| 479 | struct inode *parinode) |
| 480 | { |
| 481 | int error; |
| 482 | compat_xfs_attr_multiop_t *ops; |
| 483 | compat_xfs_fsop_attrmulti_handlereq_t am_hreq; |
| 484 | struct inode *inode; |
| 485 | unsigned int i, size; |
| 486 | char *attr_name; |
| 487 | |
| 488 | if (!capable(CAP_SYS_ADMIN)) |
| 489 | return -XFS_ERROR(EPERM); |
| 490 | if (copy_from_user(&am_hreq, arg, |
| 491 | sizeof(compat_xfs_fsop_attrmulti_handlereq_t))) |
| 492 | return -XFS_ERROR(EFAULT); |
| 493 | |
| 494 | error = xfs_vget_fsop_handlereq_compat(mp, parinode, &am_hreq.hreq, |
| 495 | &inode); |
| 496 | if (error) |
| 497 | goto out; |
| 498 | |
| 499 | error = E2BIG; |
| 500 | size = am_hreq.opcount * sizeof(compat_xfs_attr_multiop_t); |
| 501 | if (!size || size > 16 * PAGE_SIZE) |
| 502 | goto out_vn_rele; |
| 503 | |
| 504 | error = ENOMEM; |
| 505 | ops = kmalloc(size, GFP_KERNEL); |
| 506 | if (!ops) |
| 507 | goto out_vn_rele; |
| 508 | |
| 509 | error = EFAULT; |
| 510 | if (copy_from_user(ops, compat_ptr(am_hreq.ops), size)) |
| 511 | goto out_kfree_ops; |
| 512 | |
| 513 | attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL); |
| 514 | if (!attr_name) |
| 515 | goto out_kfree_ops; |
| 516 | |
| 517 | |
| 518 | error = 0; |
| 519 | for (i = 0; i < am_hreq.opcount; i++) { |
| 520 | ops[i].am_error = strncpy_from_user(attr_name, |
| 521 | compat_ptr(ops[i].am_attrname), |
| 522 | MAXNAMELEN); |
| 523 | if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN) |
| 524 | error = -ERANGE; |
| 525 | if (ops[i].am_error < 0) |
| 526 | break; |
| 527 | |
| 528 | switch (ops[i].am_opcode) { |
| 529 | case ATTR_OP_GET: |
| 530 | ops[i].am_error = xfs_attrmulti_attr_get(inode, |
| 531 | attr_name, |
| 532 | compat_ptr(ops[i].am_attrvalue), |
| 533 | &ops[i].am_length, ops[i].am_flags); |
| 534 | break; |
| 535 | case ATTR_OP_SET: |
| 536 | ops[i].am_error = xfs_attrmulti_attr_set(inode, |
| 537 | attr_name, |
| 538 | compat_ptr(ops[i].am_attrvalue), |
| 539 | ops[i].am_length, ops[i].am_flags); |
| 540 | break; |
| 541 | case ATTR_OP_REMOVE: |
| 542 | ops[i].am_error = xfs_attrmulti_attr_remove(inode, |
| 543 | attr_name, ops[i].am_flags); |
| 544 | break; |
| 545 | default: |
| 546 | ops[i].am_error = EINVAL; |
| 547 | } |
| 548 | } |
| 549 | |
| 550 | if (copy_to_user(compat_ptr(am_hreq.ops), ops, size)) |
| 551 | error = XFS_ERROR(EFAULT); |
| 552 | |
| 553 | kfree(attr_name); |
| 554 | out_kfree_ops: |
| 555 | kfree(ops); |
| 556 | out_vn_rele: |
| 557 | iput(inode); |
| 558 | out: |
| 559 | return -error; |
| 560 | } |
| 561 | |
sandeen@sandeen.net | 710d62a | 2008-11-25 21:20:16 -0600 | [diff] [blame] | 562 | STATIC int |
| 563 | xfs_compat_fssetdm_by_handle( |
| 564 | xfs_mount_t *mp, |
| 565 | void __user *arg, |
| 566 | struct inode *parinode) |
| 567 | { |
| 568 | int error; |
| 569 | struct fsdmidata fsd; |
| 570 | compat_xfs_fsop_setdm_handlereq_t dmhreq; |
| 571 | struct inode *inode; |
| 572 | |
| 573 | if (!capable(CAP_MKNOD)) |
| 574 | return -XFS_ERROR(EPERM); |
| 575 | if (copy_from_user(&dmhreq, arg, |
| 576 | sizeof(compat_xfs_fsop_setdm_handlereq_t))) |
| 577 | return -XFS_ERROR(EFAULT); |
| 578 | |
| 579 | error = xfs_vget_fsop_handlereq_compat(mp, parinode, &dmhreq.hreq, |
| 580 | &inode); |
| 581 | if (error) |
| 582 | return -error; |
| 583 | |
| 584 | if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) { |
| 585 | error = -XFS_ERROR(EPERM); |
| 586 | goto out; |
| 587 | } |
| 588 | |
| 589 | if (copy_from_user(&fsd, compat_ptr(dmhreq.data), sizeof(fsd))) { |
| 590 | error = -XFS_ERROR(EFAULT); |
| 591 | goto out; |
| 592 | } |
| 593 | |
| 594 | error = -xfs_set_dmattrs(XFS_I(inode), fsd.fsd_dmevmask, |
| 595 | fsd.fsd_dmstate); |
| 596 | |
| 597 | out: |
| 598 | iput(inode); |
| 599 | return error; |
| 600 | } |
| 601 | |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame^] | 602 | long |
| 603 | xfs_file_compat_ioctl( |
| 604 | struct file *filp, |
| 605 | unsigned cmd, |
| 606 | unsigned long p) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 607 | { |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame^] | 608 | struct inode *inode = filp->f_path.dentry->d_inode; |
| 609 | struct xfs_inode *ip = XFS_I(inode); |
| 610 | struct xfs_mount *mp = ip->i_mount; |
| 611 | void __user *arg = (void __user *)p; |
| 612 | int ioflags = 0; |
| 613 | int error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 614 | |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame^] | 615 | if (filp->f_mode & FMODE_NOCMTIME) |
| 616 | ioflags |= IO_INVIS; |
| 617 | |
| 618 | xfs_itrace_entry(ip); |
| 619 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 620 | switch (cmd) { |
sandeen@sandeen.net | e5d412f | 2008-11-25 21:20:17 -0600 | [diff] [blame] | 621 | /* No size or alignment issues on any arch */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 622 | case XFS_IOC_DIOINFO: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 623 | case XFS_IOC_FSGEOMETRY: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 624 | case XFS_IOC_FSGETXATTR: |
| 625 | case XFS_IOC_FSSETXATTR: |
| 626 | case XFS_IOC_FSGETXATTRA: |
| 627 | case XFS_IOC_FSSETDM: |
| 628 | case XFS_IOC_GETBMAP: |
| 629 | case XFS_IOC_GETBMAPA: |
| 630 | case XFS_IOC_GETBMAPX: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 631 | case XFS_IOC_FSCOUNTS: |
| 632 | case XFS_IOC_SET_RESBLKS: |
| 633 | case XFS_IOC_GET_RESBLKS: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 634 | case XFS_IOC_FSGROWFSLOG: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 635 | case XFS_IOC_FREEZE: |
| 636 | case XFS_IOC_THAW: |
| 637 | case XFS_IOC_GOINGDOWN: |
| 638 | case XFS_IOC_ERROR_INJECTION: |
| 639 | case XFS_IOC_ERROR_CLEARALL: |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame^] | 640 | return xfs_file_ioctl(filp, cmd, p); |
sandeen@sandeen.net | e5d412f | 2008-11-25 21:20:17 -0600 | [diff] [blame] | 641 | #ifndef BROKEN_X86_ALIGNMENT |
| 642 | /* These are handled fine if no alignment issues */ |
| 643 | case XFS_IOC_ALLOCSP: |
| 644 | case XFS_IOC_FREESP: |
| 645 | case XFS_IOC_RESVSP: |
| 646 | case XFS_IOC_UNRESVSP: |
| 647 | case XFS_IOC_ALLOCSP64: |
| 648 | case XFS_IOC_FREESP64: |
| 649 | case XFS_IOC_RESVSP64: |
| 650 | case XFS_IOC_UNRESVSP64: |
| 651 | case XFS_IOC_FSGEOMETRY_V1: |
| 652 | case XFS_IOC_FSGROWFSDATA: |
| 653 | case XFS_IOC_FSGROWFSRT: |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame^] | 654 | return xfs_file_ioctl(filp, cmd, p); |
sandeen@sandeen.net | e5d412f | 2008-11-25 21:20:17 -0600 | [diff] [blame] | 655 | #else |
Eric Sandeen | 526c420 | 2005-09-05 08:25:06 +1000 | [diff] [blame] | 656 | case XFS_IOC_ALLOCSP_32: |
| 657 | case XFS_IOC_FREESP_32: |
| 658 | case XFS_IOC_ALLOCSP64_32: |
| 659 | case XFS_IOC_FREESP64_32: |
| 660 | case XFS_IOC_RESVSP_32: |
| 661 | case XFS_IOC_UNRESVSP_32: |
| 662 | case XFS_IOC_RESVSP64_32: |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 663 | case XFS_IOC_UNRESVSP64_32: { |
| 664 | struct xfs_flock64 bf; |
| 665 | |
| 666 | if (xfs_compat_flock64_copyin(&bf, arg)) |
| 667 | return -XFS_ERROR(EFAULT); |
Eric Sandeen | 526c420 | 2005-09-05 08:25:06 +1000 | [diff] [blame] | 668 | cmd = _NATIVE_IOC(cmd, struct xfs_flock64); |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 669 | return xfs_ioc_space(ip, inode, filp, ioflags, cmd, &bf); |
| 670 | } |
Michal Marek | 547e00c | 2007-07-11 11:09:57 +1000 | [diff] [blame] | 671 | case XFS_IOC_FSGEOMETRY_V1_32: |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 672 | return xfs_compat_ioc_fsgeometry_v1(mp, arg); |
sandeen@sandeen.net | 471d591 | 2008-11-25 21:20:10 -0600 | [diff] [blame] | 673 | case XFS_IOC_FSGROWFSDATA_32: { |
| 674 | struct xfs_growfs_data in; |
| 675 | |
| 676 | if (xfs_compat_growfs_data_copyin(&in, arg)) |
| 677 | return -XFS_ERROR(EFAULT); |
| 678 | error = xfs_growfs_data(mp, &in); |
| 679 | return -error; |
| 680 | } |
| 681 | case XFS_IOC_FSGROWFSRT_32: { |
| 682 | struct xfs_growfs_rt in; |
| 683 | |
| 684 | if (xfs_compat_growfs_rt_copyin(&in, arg)) |
| 685 | return -XFS_ERROR(EFAULT); |
| 686 | error = xfs_growfs_rt(mp, &in); |
| 687 | return -error; |
| 688 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | #endif |
sandeen@sandeen.net | e5d412f | 2008-11-25 21:20:17 -0600 | [diff] [blame] | 690 | /* long changes size, but xfs only copiese out 32 bits */ |
| 691 | case XFS_IOC_GETXFLAGS_32: |
| 692 | case XFS_IOC_SETXFLAGS_32: |
| 693 | case XFS_IOC_GETVERSION_32: |
| 694 | cmd = _NATIVE_IOC(cmd, long); |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame^] | 695 | return xfs_file_ioctl(filp, cmd, p); |
sandeen@sandeen.net | e5d412f | 2008-11-25 21:20:17 -0600 | [diff] [blame] | 696 | case XFS_IOC_SWAPEXT: { |
| 697 | struct xfs_swapext sxp; |
| 698 | struct compat_xfs_swapext __user *sxu = arg; |
| 699 | |
| 700 | /* Bulk copy in up to the sx_stat field, then copy bstat */ |
| 701 | if (copy_from_user(&sxp, sxu, |
| 702 | offsetof(struct xfs_swapext, sx_stat)) || |
| 703 | xfs_ioctl32_bstat_copyin(&sxp.sx_stat, &sxu->sx_stat)) |
| 704 | return -XFS_ERROR(EFAULT); |
| 705 | error = xfs_swapext(&sxp); |
| 706 | return -error; |
| 707 | } |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 708 | case XFS_IOC_FSBULKSTAT_32: |
| 709 | case XFS_IOC_FSBULKSTAT_SINGLE_32: |
| 710 | case XFS_IOC_FSINUMBERS_32: |
sandeen@sandeen.net | 2ee4fa5 | 2008-11-25 21:20:11 -0600 | [diff] [blame] | 711 | return xfs_compat_ioc_bulkstat(mp, cmd, arg); |
Michal Marek | 1fa503d | 2007-07-11 11:10:09 +1000 | [diff] [blame] | 712 | case XFS_IOC_FD_TO_HANDLE_32: |
| 713 | case XFS_IOC_PATH_TO_HANDLE_32: |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 714 | case XFS_IOC_PATH_TO_FSHANDLE_32: { |
| 715 | struct xfs_fsop_handlereq hreq; |
| 716 | |
| 717 | if (xfs_compat_handlereq_copyin(&hreq, arg)) |
| 718 | return -XFS_ERROR(EFAULT); |
Michal Marek | 1fa503d | 2007-07-11 11:10:09 +1000 | [diff] [blame] | 719 | cmd = _NATIVE_IOC(cmd, struct xfs_fsop_handlereq); |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 720 | return xfs_find_handle(cmd, &hreq); |
| 721 | } |
| 722 | case XFS_IOC_OPEN_BY_HANDLE_32: { |
| 723 | struct xfs_fsop_handlereq hreq; |
| 724 | |
| 725 | if (xfs_compat_handlereq_copyin(&hreq, arg)) |
| 726 | return -XFS_ERROR(EFAULT); |
| 727 | return xfs_open_by_handle(mp, &hreq, filp, inode); |
| 728 | } |
| 729 | case XFS_IOC_READLINK_BY_HANDLE_32: { |
| 730 | struct xfs_fsop_handlereq hreq; |
| 731 | |
| 732 | if (xfs_compat_handlereq_copyin(&hreq, arg)) |
| 733 | return -XFS_ERROR(EFAULT); |
| 734 | return xfs_readlink_by_handle(mp, &hreq, inode); |
| 735 | } |
sandeen@sandeen.net | ebeecd2 | 2008-11-25 21:20:14 -0600 | [diff] [blame] | 736 | case XFS_IOC_ATTRLIST_BY_HANDLE_32: |
| 737 | return xfs_compat_attrlist_by_handle(mp, arg, inode); |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 738 | case XFS_IOC_ATTRMULTI_BY_HANDLE_32: |
| 739 | return xfs_compat_attrmulti_by_handle(mp, arg, inode); |
sandeen@sandeen.net | 710d62a | 2008-11-25 21:20:16 -0600 | [diff] [blame] | 740 | case XFS_IOC_FSSETDM_BY_HANDLE_32: |
| 741 | return xfs_compat_fssetdm_by_handle(mp, arg, inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 742 | default: |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 743 | return -XFS_ERROR(ENOIOCTLCMD); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 745 | } |