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> |
Christoph Hellwig | 62e194e | 2009-01-19 02:03:03 +0100 | [diff] [blame] | 20 | #include <linux/mount.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 21 | #include <linux/slab.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include <asm/uaccess.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | #include "xfs.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include "xfs_fs.h" |
Dave Chinner | a4fbe6a | 2013-10-23 10:51:50 +1100 | [diff] [blame] | 25 | #include "xfs_format.h" |
Dave Chinner | 239880e | 2013-10-23 10:50:10 +1100 | [diff] [blame] | 26 | #include "xfs_log_format.h" |
| 27 | #include "xfs_trans_resv.h" |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 28 | #include "xfs_sb.h" |
| 29 | #include "xfs_ag.h" |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 30 | #include "xfs_mount.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #include "xfs_vnode.h" |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 32 | #include "xfs_inode.h" |
| 33 | #include "xfs_itable.h" |
| 34 | #include "xfs_error.h" |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 35 | #include "xfs_fsops.h" |
sandeen@sandeen.net | 471d591 | 2008-11-25 21:20:10 -0600 | [diff] [blame] | 36 | #include "xfs_alloc.h" |
| 37 | #include "xfs_rtalloc.h" |
sandeen@sandeen.net | ebeecd2 | 2008-11-25 21:20:14 -0600 | [diff] [blame] | 38 | #include "xfs_attr.h" |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 39 | #include "xfs_ioctl.h" |
David Chinner | a8272ce | 2007-11-23 16:28:09 +1100 | [diff] [blame] | 40 | #include "xfs_ioctl32.h" |
Christoph Hellwig | 0b1b213 | 2009-12-14 23:14:59 +0000 | [diff] [blame] | 41 | #include "xfs_trace.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | |
Eric Sandeen | 526c420 | 2005-09-05 08:25:06 +1000 | [diff] [blame] | 43 | #define _NATIVE_IOC(cmd, type) \ |
| 44 | _IOC(_IOC_DIR(cmd), _IOC_TYPE(cmd), _IOC_NR(cmd), sizeof(type)) |
| 45 | |
sandeen@sandeen.net | ffae263 | 2008-11-25 21:20:07 -0600 | [diff] [blame] | 46 | #ifdef BROKEN_X86_ALIGNMENT |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 47 | STATIC int |
| 48 | xfs_compat_flock64_copyin( |
| 49 | xfs_flock64_t *bf, |
| 50 | compat_xfs_flock64_t __user *arg32) |
Eric Sandeen | 526c420 | 2005-09-05 08:25:06 +1000 | [diff] [blame] | 51 | { |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 52 | if (get_user(bf->l_type, &arg32->l_type) || |
| 53 | get_user(bf->l_whence, &arg32->l_whence) || |
| 54 | get_user(bf->l_start, &arg32->l_start) || |
| 55 | get_user(bf->l_len, &arg32->l_len) || |
| 56 | get_user(bf->l_sysid, &arg32->l_sysid) || |
| 57 | get_user(bf->l_pid, &arg32->l_pid) || |
| 58 | copy_from_user(bf->l_pad, &arg32->l_pad, 4*sizeof(u32))) |
| 59 | return -XFS_ERROR(EFAULT); |
| 60 | return 0; |
Eric Sandeen | 526c420 | 2005-09-05 08:25:06 +1000 | [diff] [blame] | 61 | } |
| 62 | |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 63 | STATIC int |
| 64 | xfs_compat_ioc_fsgeometry_v1( |
| 65 | struct xfs_mount *mp, |
| 66 | compat_xfs_fsop_geom_v1_t __user *arg32) |
Michal Marek | 547e00c | 2007-07-11 11:09:57 +1000 | [diff] [blame] | 67 | { |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 68 | xfs_fsop_geom_t fsgeo; |
| 69 | int error; |
Michal Marek | 547e00c | 2007-07-11 11:09:57 +1000 | [diff] [blame] | 70 | |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 71 | error = xfs_fs_geometry(mp, &fsgeo, 3); |
| 72 | if (error) |
| 73 | return -error; |
| 74 | /* The 32-bit variant simply has some padding at the end */ |
| 75 | if (copy_to_user(arg32, &fsgeo, sizeof(struct compat_xfs_fsop_geom_v1))) |
| 76 | return -XFS_ERROR(EFAULT); |
| 77 | return 0; |
Michal Marek | 547e00c | 2007-07-11 11:09:57 +1000 | [diff] [blame] | 78 | } |
| 79 | |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 80 | STATIC int |
sandeen@sandeen.net | 471d591 | 2008-11-25 21:20:10 -0600 | [diff] [blame] | 81 | xfs_compat_growfs_data_copyin( |
| 82 | struct xfs_growfs_data *in, |
| 83 | compat_xfs_growfs_data_t __user *arg32) |
| 84 | { |
| 85 | if (get_user(in->newblocks, &arg32->newblocks) || |
| 86 | get_user(in->imaxpct, &arg32->imaxpct)) |
| 87 | return -XFS_ERROR(EFAULT); |
| 88 | return 0; |
| 89 | } |
| 90 | |
| 91 | STATIC int |
| 92 | xfs_compat_growfs_rt_copyin( |
| 93 | struct xfs_growfs_rt *in, |
| 94 | compat_xfs_growfs_rt_t __user *arg32) |
| 95 | { |
| 96 | if (get_user(in->newblocks, &arg32->newblocks) || |
| 97 | get_user(in->extsize, &arg32->extsize)) |
| 98 | return -XFS_ERROR(EFAULT); |
| 99 | return 0; |
| 100 | } |
| 101 | |
| 102 | STATIC int |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 103 | xfs_inumbers_fmt_compat( |
| 104 | void __user *ubuffer, |
| 105 | const xfs_inogrp_t *buffer, |
| 106 | long count, |
| 107 | long *written) |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 108 | { |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 109 | compat_xfs_inogrp_t __user *p32 = ubuffer; |
| 110 | long i; |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 111 | |
| 112 | for (i = 0; i < count; i++) { |
| 113 | if (put_user(buffer[i].xi_startino, &p32[i].xi_startino) || |
| 114 | put_user(buffer[i].xi_alloccount, &p32[i].xi_alloccount) || |
| 115 | put_user(buffer[i].xi_allocmask, &p32[i].xi_allocmask)) |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 116 | return -XFS_ERROR(EFAULT); |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 117 | } |
| 118 | *written = count * sizeof(*p32); |
| 119 | return 0; |
| 120 | } |
| 121 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | #else |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 123 | #define xfs_inumbers_fmt_compat xfs_inumbers_fmt |
sandeen@sandeen.net | e5d412f | 2008-11-25 21:20:17 -0600 | [diff] [blame] | 124 | #endif /* BROKEN_X86_ALIGNMENT */ |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 125 | |
sandeen@sandeen.net | e94fc4a | 2008-11-25 21:20:09 -0600 | [diff] [blame] | 126 | STATIC int |
| 127 | xfs_ioctl32_bstime_copyin( |
| 128 | xfs_bstime_t *bstime, |
| 129 | compat_xfs_bstime_t __user *bstime32) |
| 130 | { |
| 131 | compat_time_t sec32; /* tv_sec differs on 64 vs. 32 */ |
| 132 | |
| 133 | if (get_user(sec32, &bstime32->tv_sec) || |
| 134 | get_user(bstime->tv_nsec, &bstime32->tv_nsec)) |
| 135 | return -XFS_ERROR(EFAULT); |
| 136 | bstime->tv_sec = sec32; |
| 137 | return 0; |
| 138 | } |
| 139 | |
| 140 | /* xfs_bstat_t has differing alignment on intel, & bstime_t sizes everywhere */ |
| 141 | STATIC int |
| 142 | xfs_ioctl32_bstat_copyin( |
| 143 | xfs_bstat_t *bstat, |
| 144 | compat_xfs_bstat_t __user *bstat32) |
| 145 | { |
| 146 | if (get_user(bstat->bs_ino, &bstat32->bs_ino) || |
| 147 | get_user(bstat->bs_mode, &bstat32->bs_mode) || |
| 148 | get_user(bstat->bs_nlink, &bstat32->bs_nlink) || |
| 149 | get_user(bstat->bs_uid, &bstat32->bs_uid) || |
| 150 | get_user(bstat->bs_gid, &bstat32->bs_gid) || |
| 151 | get_user(bstat->bs_rdev, &bstat32->bs_rdev) || |
| 152 | get_user(bstat->bs_blksize, &bstat32->bs_blksize) || |
| 153 | get_user(bstat->bs_size, &bstat32->bs_size) || |
| 154 | xfs_ioctl32_bstime_copyin(&bstat->bs_atime, &bstat32->bs_atime) || |
| 155 | xfs_ioctl32_bstime_copyin(&bstat->bs_mtime, &bstat32->bs_mtime) || |
| 156 | xfs_ioctl32_bstime_copyin(&bstat->bs_ctime, &bstat32->bs_ctime) || |
| 157 | get_user(bstat->bs_blocks, &bstat32->bs_size) || |
| 158 | get_user(bstat->bs_xflags, &bstat32->bs_size) || |
| 159 | get_user(bstat->bs_extsize, &bstat32->bs_extsize) || |
| 160 | get_user(bstat->bs_extents, &bstat32->bs_extents) || |
| 161 | get_user(bstat->bs_gen, &bstat32->bs_gen) || |
Arkadiusz Mi?kiewicz | 6743099 | 2010-09-26 06:10:18 +0000 | [diff] [blame] | 162 | get_user(bstat->bs_projid_lo, &bstat32->bs_projid_lo) || |
| 163 | get_user(bstat->bs_projid_hi, &bstat32->bs_projid_hi) || |
sandeen@sandeen.net | e94fc4a | 2008-11-25 21:20:09 -0600 | [diff] [blame] | 164 | get_user(bstat->bs_dmevmask, &bstat32->bs_dmevmask) || |
| 165 | get_user(bstat->bs_dmstate, &bstat32->bs_dmstate) || |
| 166 | get_user(bstat->bs_aextents, &bstat32->bs_aextents)) |
| 167 | return -XFS_ERROR(EFAULT); |
| 168 | return 0; |
| 169 | } |
| 170 | |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 171 | /* XFS_IOC_FSBULKSTAT and friends */ |
| 172 | |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 173 | STATIC int |
| 174 | xfs_bstime_store_compat( |
| 175 | compat_xfs_bstime_t __user *p32, |
| 176 | const xfs_bstime_t *p) |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 177 | { |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 178 | __s32 sec32; |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 179 | |
| 180 | sec32 = p->tv_sec; |
| 181 | if (put_user(sec32, &p32->tv_sec) || |
| 182 | put_user(p->tv_nsec, &p32->tv_nsec)) |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 183 | return -XFS_ERROR(EFAULT); |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 184 | return 0; |
| 185 | } |
| 186 | |
sandeen@sandeen.net | 65fbaf2 | 2008-11-25 21:20:12 -0600 | [diff] [blame] | 187 | /* Return 0 on success or positive error (to xfs_bulkstat()) */ |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 188 | STATIC int |
| 189 | xfs_bulkstat_one_fmt_compat( |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 190 | void __user *ubuffer, |
sandeen@sandeen.net | 65fbaf2 | 2008-11-25 21:20:12 -0600 | [diff] [blame] | 191 | int ubsize, |
| 192 | int *ubused, |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 193 | const xfs_bstat_t *buffer) |
| 194 | { |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 195 | compat_xfs_bstat_t __user *p32 = ubuffer; |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 196 | |
sandeen@sandeen.net | 65fbaf2 | 2008-11-25 21:20:12 -0600 | [diff] [blame] | 197 | if (ubsize < sizeof(*p32)) |
| 198 | return XFS_ERROR(ENOMEM); |
| 199 | |
| 200 | if (put_user(buffer->bs_ino, &p32->bs_ino) || |
| 201 | put_user(buffer->bs_mode, &p32->bs_mode) || |
| 202 | put_user(buffer->bs_nlink, &p32->bs_nlink) || |
| 203 | put_user(buffer->bs_uid, &p32->bs_uid) || |
| 204 | put_user(buffer->bs_gid, &p32->bs_gid) || |
| 205 | put_user(buffer->bs_rdev, &p32->bs_rdev) || |
| 206 | put_user(buffer->bs_blksize, &p32->bs_blksize) || |
| 207 | put_user(buffer->bs_size, &p32->bs_size) || |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 208 | xfs_bstime_store_compat(&p32->bs_atime, &buffer->bs_atime) || |
| 209 | xfs_bstime_store_compat(&p32->bs_mtime, &buffer->bs_mtime) || |
| 210 | xfs_bstime_store_compat(&p32->bs_ctime, &buffer->bs_ctime) || |
sandeen@sandeen.net | 65fbaf2 | 2008-11-25 21:20:12 -0600 | [diff] [blame] | 211 | put_user(buffer->bs_blocks, &p32->bs_blocks) || |
| 212 | put_user(buffer->bs_xflags, &p32->bs_xflags) || |
| 213 | put_user(buffer->bs_extsize, &p32->bs_extsize) || |
| 214 | put_user(buffer->bs_extents, &p32->bs_extents) || |
| 215 | put_user(buffer->bs_gen, &p32->bs_gen) || |
| 216 | put_user(buffer->bs_projid, &p32->bs_projid) || |
Arkadiusz Mi?kiewicz | 6743099 | 2010-09-26 06:10:18 +0000 | [diff] [blame] | 217 | put_user(buffer->bs_projid_hi, &p32->bs_projid_hi) || |
sandeen@sandeen.net | 65fbaf2 | 2008-11-25 21:20:12 -0600 | [diff] [blame] | 218 | put_user(buffer->bs_dmevmask, &p32->bs_dmevmask) || |
| 219 | put_user(buffer->bs_dmstate, &p32->bs_dmstate) || |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 220 | put_user(buffer->bs_aextents, &p32->bs_aextents)) |
sandeen@sandeen.net | 65fbaf2 | 2008-11-25 21:20:12 -0600 | [diff] [blame] | 221 | return XFS_ERROR(EFAULT); |
| 222 | if (ubused) |
| 223 | *ubused = sizeof(*p32); |
| 224 | return 0; |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 225 | } |
| 226 | |
sandeen@sandeen.net | 2ee4fa5 | 2008-11-25 21:20:11 -0600 | [diff] [blame] | 227 | STATIC int |
| 228 | xfs_bulkstat_one_compat( |
| 229 | xfs_mount_t *mp, /* mount point for filesystem */ |
| 230 | xfs_ino_t ino, /* inode number to get data for */ |
| 231 | void __user *buffer, /* buffer to place output in */ |
| 232 | int ubsize, /* size of buffer */ |
sandeen@sandeen.net | 2ee4fa5 | 2008-11-25 21:20:11 -0600 | [diff] [blame] | 233 | int *ubused, /* bytes used by me */ |
sandeen@sandeen.net | 2ee4fa5 | 2008-11-25 21:20:11 -0600 | [diff] [blame] | 234 | int *stat) /* BULKSTAT_RV_... */ |
| 235 | { |
| 236 | return xfs_bulkstat_one_int(mp, ino, buffer, ubsize, |
Dave Chinner | 7b6259e | 2010-06-24 11:35:17 +1000 | [diff] [blame] | 237 | xfs_bulkstat_one_fmt_compat, |
Christoph Hellwig | 7dce11d | 2010-06-23 18:11:11 +1000 | [diff] [blame] | 238 | ubused, stat); |
sandeen@sandeen.net | 2ee4fa5 | 2008-11-25 21:20:11 -0600 | [diff] [blame] | 239 | } |
| 240 | |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 241 | /* copied from xfs_ioctl.c */ |
| 242 | STATIC int |
sandeen@sandeen.net | 2ee4fa5 | 2008-11-25 21:20:11 -0600 | [diff] [blame] | 243 | xfs_compat_ioc_bulkstat( |
| 244 | xfs_mount_t *mp, |
| 245 | unsigned int cmd, |
| 246 | compat_xfs_fsop_bulkreq_t __user *p32) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | u32 addr; |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 249 | xfs_fsop_bulkreq_t bulkreq; |
| 250 | int count; /* # of records returned */ |
| 251 | xfs_ino_t inlast; /* last inode number */ |
| 252 | int done; |
| 253 | int error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 255 | /* done = 1 if there are more stats to get and if bulkstat */ |
| 256 | /* should be called again (unused here, but used in dmapi) */ |
| 257 | |
| 258 | if (!capable(CAP_SYS_ADMIN)) |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 259 | return -XFS_ERROR(EPERM); |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 260 | |
| 261 | if (XFS_FORCED_SHUTDOWN(mp)) |
| 262 | return -XFS_ERROR(EIO); |
| 263 | |
| 264 | if (get_user(addr, &p32->lastip)) |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 265 | return -XFS_ERROR(EFAULT); |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 266 | bulkreq.lastip = compat_ptr(addr); |
| 267 | if (get_user(bulkreq.icount, &p32->icount) || |
| 268 | get_user(addr, &p32->ubuffer)) |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 269 | return -XFS_ERROR(EFAULT); |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 270 | bulkreq.ubuffer = compat_ptr(addr); |
| 271 | if (get_user(addr, &p32->ocount)) |
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.ocount = compat_ptr(addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 275 | if (copy_from_user(&inlast, bulkreq.lastip, sizeof(__s64))) |
| 276 | return -XFS_ERROR(EFAULT); |
| 277 | |
| 278 | if ((count = bulkreq.icount) <= 0) |
| 279 | return -XFS_ERROR(EINVAL); |
| 280 | |
Lachlan McIlroy | cd57e59 | 2007-11-23 16:30:32 +1100 | [diff] [blame] | 281 | if (bulkreq.ubuffer == NULL) |
| 282 | return -XFS_ERROR(EINVAL); |
| 283 | |
sandeen@sandeen.net | af819d2 | 2008-11-25 21:20:13 -0600 | [diff] [blame] | 284 | if (cmd == XFS_IOC_FSINUMBERS_32) { |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 285 | error = xfs_inumbers(mp, &inlast, &count, |
| 286 | bulkreq.ubuffer, xfs_inumbers_fmt_compat); |
sandeen@sandeen.net | af819d2 | 2008-11-25 21:20:13 -0600 | [diff] [blame] | 287 | } else if (cmd == XFS_IOC_FSBULKSTAT_SINGLE_32) { |
| 288 | int res; |
| 289 | |
| 290 | error = xfs_bulkstat_one_compat(mp, inlast, bulkreq.ubuffer, |
Dave Chinner | 8d2a5e6 | 2012-03-07 04:50:19 +0000 | [diff] [blame] | 291 | sizeof(compat_xfs_bstat_t), NULL, &res); |
sandeen@sandeen.net | af819d2 | 2008-11-25 21:20:13 -0600 | [diff] [blame] | 292 | } else if (cmd == XFS_IOC_FSBULKSTAT_32) { |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 293 | error = xfs_bulkstat(mp, &inlast, &count, |
Christoph Hellwig | 7dce11d | 2010-06-23 18:11:11 +1000 | [diff] [blame] | 294 | xfs_bulkstat_one_compat, sizeof(compat_xfs_bstat_t), |
| 295 | bulkreq.ubuffer, &done); |
sandeen@sandeen.net | af819d2 | 2008-11-25 21:20:13 -0600 | [diff] [blame] | 296 | } else |
| 297 | error = XFS_ERROR(EINVAL); |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 298 | if (error) |
| 299 | return -error; |
| 300 | |
| 301 | if (bulkreq.ocount != NULL) { |
| 302 | if (copy_to_user(bulkreq.lastip, &inlast, |
| 303 | sizeof(xfs_ino_t))) |
| 304 | return -XFS_ERROR(EFAULT); |
| 305 | |
| 306 | if (copy_to_user(bulkreq.ocount, &count, sizeof(count))) |
| 307 | return -XFS_ERROR(EFAULT); |
| 308 | } |
| 309 | |
| 310 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | } |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 312 | |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 313 | STATIC int |
| 314 | xfs_compat_handlereq_copyin( |
| 315 | xfs_fsop_handlereq_t *hreq, |
| 316 | compat_xfs_fsop_handlereq_t __user *arg32) |
Michal Marek | 1fa503d | 2007-07-11 11:10:09 +1000 | [diff] [blame] | 317 | { |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 318 | compat_xfs_fsop_handlereq_t hreq32; |
Michal Marek | 1fa503d | 2007-07-11 11:10:09 +1000 | [diff] [blame] | 319 | |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 320 | if (copy_from_user(&hreq32, arg32, sizeof(compat_xfs_fsop_handlereq_t))) |
| 321 | return -XFS_ERROR(EFAULT); |
Michal Marek | 1fa503d | 2007-07-11 11:10:09 +1000 | [diff] [blame] | 322 | |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 323 | hreq->fd = hreq32.fd; |
| 324 | hreq->path = compat_ptr(hreq32.path); |
| 325 | hreq->oflags = hreq32.oflags; |
| 326 | hreq->ihandle = compat_ptr(hreq32.ihandle); |
| 327 | hreq->ihandlen = hreq32.ihandlen; |
| 328 | hreq->ohandle = compat_ptr(hreq32.ohandle); |
| 329 | hreq->ohandlen = compat_ptr(hreq32.ohandlen); |
| 330 | |
| 331 | return 0; |
Michal Marek | 1fa503d | 2007-07-11 11:10:09 +1000 | [diff] [blame] | 332 | } |
| 333 | |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 334 | STATIC struct dentry * |
| 335 | xfs_compat_handlereq_to_dentry( |
| 336 | struct file *parfilp, |
| 337 | compat_xfs_fsop_handlereq_t *hreq) |
sandeen@sandeen.net | ebeecd2 | 2008-11-25 21:20:14 -0600 | [diff] [blame] | 338 | { |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 339 | return xfs_handle_to_dentry(parfilp, |
| 340 | compat_ptr(hreq->ihandle), hreq->ihandlen); |
sandeen@sandeen.net | ebeecd2 | 2008-11-25 21:20:14 -0600 | [diff] [blame] | 341 | } |
| 342 | |
| 343 | STATIC int |
| 344 | xfs_compat_attrlist_by_handle( |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 345 | struct file *parfilp, |
| 346 | void __user *arg) |
sandeen@sandeen.net | ebeecd2 | 2008-11-25 21:20:14 -0600 | [diff] [blame] | 347 | { |
| 348 | int error; |
| 349 | attrlist_cursor_kern_t *cursor; |
| 350 | compat_xfs_fsop_attrlist_handlereq_t al_hreq; |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 351 | struct dentry *dentry; |
sandeen@sandeen.net | ebeecd2 | 2008-11-25 21:20:14 -0600 | [diff] [blame] | 352 | char *kbuf; |
| 353 | |
| 354 | if (!capable(CAP_SYS_ADMIN)) |
| 355 | return -XFS_ERROR(EPERM); |
| 356 | if (copy_from_user(&al_hreq, arg, |
| 357 | sizeof(compat_xfs_fsop_attrlist_handlereq_t))) |
| 358 | return -XFS_ERROR(EFAULT); |
Dan Carpenter | 31978b5 | 2013-10-31 21:00:10 +0300 | [diff] [blame] | 359 | if (al_hreq.buflen < sizeof(struct attrlist) || |
| 360 | al_hreq.buflen > XATTR_LIST_MAX) |
sandeen@sandeen.net | ebeecd2 | 2008-11-25 21:20:14 -0600 | [diff] [blame] | 361 | return -XFS_ERROR(EINVAL); |
| 362 | |
| 363 | /* |
| 364 | * Reject flags, only allow namespaces. |
| 365 | */ |
| 366 | if (al_hreq.flags & ~(ATTR_ROOT | ATTR_SECURE)) |
| 367 | return -XFS_ERROR(EINVAL); |
| 368 | |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 369 | dentry = xfs_compat_handlereq_to_dentry(parfilp, &al_hreq.hreq); |
| 370 | if (IS_ERR(dentry)) |
| 371 | return PTR_ERR(dentry); |
sandeen@sandeen.net | ebeecd2 | 2008-11-25 21:20:14 -0600 | [diff] [blame] | 372 | |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 373 | error = -ENOMEM; |
Dave Chinner | fdd3cce | 2013-09-02 20:53:00 +1000 | [diff] [blame] | 374 | kbuf = kmem_zalloc_large(al_hreq.buflen, KM_SLEEP); |
| 375 | if (!kbuf) |
| 376 | goto out_dput; |
sandeen@sandeen.net | ebeecd2 | 2008-11-25 21:20:14 -0600 | [diff] [blame] | 377 | |
| 378 | cursor = (attrlist_cursor_kern_t *)&al_hreq.pos; |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 379 | error = -xfs_attr_list(XFS_I(dentry->d_inode), kbuf, al_hreq.buflen, |
sandeen@sandeen.net | ebeecd2 | 2008-11-25 21:20:14 -0600 | [diff] [blame] | 380 | al_hreq.flags, cursor); |
| 381 | if (error) |
| 382 | goto out_kfree; |
| 383 | |
| 384 | if (copy_to_user(compat_ptr(al_hreq.buffer), kbuf, al_hreq.buflen)) |
| 385 | error = -EFAULT; |
| 386 | |
Dave Chinner | fdd3cce | 2013-09-02 20:53:00 +1000 | [diff] [blame] | 387 | out_kfree: |
| 388 | kmem_free(kbuf); |
| 389 | out_dput: |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 390 | dput(dentry); |
| 391 | return error; |
sandeen@sandeen.net | ebeecd2 | 2008-11-25 21:20:14 -0600 | [diff] [blame] | 392 | } |
| 393 | |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 394 | STATIC int |
| 395 | xfs_compat_attrmulti_by_handle( |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 396 | struct file *parfilp, |
| 397 | void __user *arg) |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 398 | { |
| 399 | int error; |
| 400 | compat_xfs_attr_multiop_t *ops; |
| 401 | compat_xfs_fsop_attrmulti_handlereq_t am_hreq; |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 402 | struct dentry *dentry; |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 403 | unsigned int i, size; |
Dave Chinner | a9273ca | 2010-01-20 10:47:48 +1100 | [diff] [blame] | 404 | unsigned char *attr_name; |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 405 | |
| 406 | if (!capable(CAP_SYS_ADMIN)) |
| 407 | return -XFS_ERROR(EPERM); |
| 408 | if (copy_from_user(&am_hreq, arg, |
| 409 | sizeof(compat_xfs_fsop_attrmulti_handlereq_t))) |
| 410 | return -XFS_ERROR(EFAULT); |
| 411 | |
Zhitong Wang | fda168c | 2010-03-23 09:51:22 +1100 | [diff] [blame] | 412 | /* overflow check */ |
| 413 | if (am_hreq.opcount >= INT_MAX / sizeof(compat_xfs_attr_multiop_t)) |
| 414 | return -E2BIG; |
| 415 | |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 416 | dentry = xfs_compat_handlereq_to_dentry(parfilp, &am_hreq.hreq); |
| 417 | if (IS_ERR(dentry)) |
| 418 | return PTR_ERR(dentry); |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 419 | |
| 420 | error = E2BIG; |
| 421 | size = am_hreq.opcount * sizeof(compat_xfs_attr_multiop_t); |
| 422 | if (!size || size > 16 * PAGE_SIZE) |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 423 | goto out_dput; |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 424 | |
Li Zefan | 0e639bd | 2009-04-08 15:08:04 +0800 | [diff] [blame] | 425 | ops = memdup_user(compat_ptr(am_hreq.ops), size); |
| 426 | if (IS_ERR(ops)) { |
From: Tuomas Tynkkynen | b28fd7b | 2014-05-05 17:30:20 +1000 | [diff] [blame^] | 427 | error = -PTR_ERR(ops); |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 428 | goto out_dput; |
Li Zefan | 0e639bd | 2009-04-08 15:08:04 +0800 | [diff] [blame] | 429 | } |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 430 | |
From: Tuomas Tynkkynen | b28fd7b | 2014-05-05 17:30:20 +1000 | [diff] [blame^] | 431 | error = ENOMEM; |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 432 | attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL); |
| 433 | if (!attr_name) |
| 434 | goto out_kfree_ops; |
| 435 | |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 436 | error = 0; |
| 437 | for (i = 0; i < am_hreq.opcount; i++) { |
Dave Chinner | a9273ca | 2010-01-20 10:47:48 +1100 | [diff] [blame] | 438 | ops[i].am_error = strncpy_from_user((char *)attr_name, |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 439 | compat_ptr(ops[i].am_attrname), |
| 440 | MAXNAMELEN); |
| 441 | if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN) |
From: Tuomas Tynkkynen | b28fd7b | 2014-05-05 17:30:20 +1000 | [diff] [blame^] | 442 | error = ERANGE; |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 443 | if (ops[i].am_error < 0) |
| 444 | break; |
| 445 | |
| 446 | switch (ops[i].am_opcode) { |
| 447 | case ATTR_OP_GET: |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 448 | ops[i].am_error = xfs_attrmulti_attr_get( |
| 449 | dentry->d_inode, attr_name, |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 450 | compat_ptr(ops[i].am_attrvalue), |
| 451 | &ops[i].am_length, ops[i].am_flags); |
| 452 | break; |
| 453 | case ATTR_OP_SET: |
Al Viro | a561be7 | 2011-11-23 11:57:51 -0500 | [diff] [blame] | 454 | ops[i].am_error = mnt_want_write_file(parfilp); |
Christoph Hellwig | 62e194e | 2009-01-19 02:03:03 +0100 | [diff] [blame] | 455 | if (ops[i].am_error) |
| 456 | break; |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 457 | ops[i].am_error = xfs_attrmulti_attr_set( |
| 458 | dentry->d_inode, attr_name, |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 459 | compat_ptr(ops[i].am_attrvalue), |
| 460 | ops[i].am_length, ops[i].am_flags); |
Al Viro | 2a79f17 | 2011-12-09 08:06:57 -0500 | [diff] [blame] | 461 | mnt_drop_write_file(parfilp); |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 462 | break; |
| 463 | case ATTR_OP_REMOVE: |
Al Viro | a561be7 | 2011-11-23 11:57:51 -0500 | [diff] [blame] | 464 | ops[i].am_error = mnt_want_write_file(parfilp); |
Christoph Hellwig | 62e194e | 2009-01-19 02:03:03 +0100 | [diff] [blame] | 465 | if (ops[i].am_error) |
| 466 | break; |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 467 | ops[i].am_error = xfs_attrmulti_attr_remove( |
| 468 | dentry->d_inode, attr_name, |
| 469 | ops[i].am_flags); |
Al Viro | 2a79f17 | 2011-12-09 08:06:57 -0500 | [diff] [blame] | 470 | mnt_drop_write_file(parfilp); |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 471 | break; |
| 472 | default: |
| 473 | ops[i].am_error = EINVAL; |
| 474 | } |
| 475 | } |
| 476 | |
| 477 | if (copy_to_user(compat_ptr(am_hreq.ops), ops, size)) |
| 478 | error = XFS_ERROR(EFAULT); |
| 479 | |
| 480 | kfree(attr_name); |
| 481 | out_kfree_ops: |
| 482 | kfree(ops); |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 483 | out_dput: |
| 484 | dput(dentry); |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 485 | return -error; |
| 486 | } |
| 487 | |
sandeen@sandeen.net | 710d62a | 2008-11-25 21:20:16 -0600 | [diff] [blame] | 488 | STATIC int |
| 489 | xfs_compat_fssetdm_by_handle( |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 490 | struct file *parfilp, |
| 491 | void __user *arg) |
sandeen@sandeen.net | 710d62a | 2008-11-25 21:20:16 -0600 | [diff] [blame] | 492 | { |
| 493 | int error; |
| 494 | struct fsdmidata fsd; |
| 495 | compat_xfs_fsop_setdm_handlereq_t dmhreq; |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 496 | struct dentry *dentry; |
sandeen@sandeen.net | 710d62a | 2008-11-25 21:20:16 -0600 | [diff] [blame] | 497 | |
| 498 | if (!capable(CAP_MKNOD)) |
| 499 | return -XFS_ERROR(EPERM); |
| 500 | if (copy_from_user(&dmhreq, arg, |
| 501 | sizeof(compat_xfs_fsop_setdm_handlereq_t))) |
| 502 | return -XFS_ERROR(EFAULT); |
| 503 | |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 504 | dentry = xfs_compat_handlereq_to_dentry(parfilp, &dmhreq.hreq); |
| 505 | if (IS_ERR(dentry)) |
| 506 | return PTR_ERR(dentry); |
sandeen@sandeen.net | 710d62a | 2008-11-25 21:20:16 -0600 | [diff] [blame] | 507 | |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 508 | if (IS_IMMUTABLE(dentry->d_inode) || IS_APPEND(dentry->d_inode)) { |
sandeen@sandeen.net | 710d62a | 2008-11-25 21:20:16 -0600 | [diff] [blame] | 509 | error = -XFS_ERROR(EPERM); |
| 510 | goto out; |
| 511 | } |
| 512 | |
| 513 | if (copy_from_user(&fsd, compat_ptr(dmhreq.data), sizeof(fsd))) { |
| 514 | error = -XFS_ERROR(EFAULT); |
| 515 | goto out; |
| 516 | } |
| 517 | |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 518 | error = -xfs_set_dmattrs(XFS_I(dentry->d_inode), fsd.fsd_dmevmask, |
sandeen@sandeen.net | 710d62a | 2008-11-25 21:20:16 -0600 | [diff] [blame] | 519 | fsd.fsd_dmstate); |
| 520 | |
| 521 | out: |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 522 | dput(dentry); |
sandeen@sandeen.net | 710d62a | 2008-11-25 21:20:16 -0600 | [diff] [blame] | 523 | return error; |
| 524 | } |
| 525 | |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 526 | long |
| 527 | xfs_file_compat_ioctl( |
| 528 | struct file *filp, |
| 529 | unsigned cmd, |
| 530 | unsigned long p) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | { |
Al Viro | 496ad9a | 2013-01-23 17:07:38 -0500 | [diff] [blame] | 532 | struct inode *inode = file_inode(filp); |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 533 | struct xfs_inode *ip = XFS_I(inode); |
| 534 | struct xfs_mount *mp = ip->i_mount; |
| 535 | void __user *arg = (void __user *)p; |
| 536 | int ioflags = 0; |
| 537 | int error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 538 | |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 539 | if (filp->f_mode & FMODE_NOCMTIME) |
| 540 | ioflags |= IO_INVIS; |
| 541 | |
Christoph Hellwig | cca28fb | 2010-06-24 11:57:09 +1000 | [diff] [blame] | 542 | trace_xfs_file_compat_ioctl(ip); |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 543 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 544 | switch (cmd) { |
sandeen@sandeen.net | e5d412f | 2008-11-25 21:20:17 -0600 | [diff] [blame] | 545 | /* No size or alignment issues on any arch */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 546 | case XFS_IOC_DIOINFO: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 547 | case XFS_IOC_FSGEOMETRY: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 548 | case XFS_IOC_FSGETXATTR: |
| 549 | case XFS_IOC_FSSETXATTR: |
| 550 | case XFS_IOC_FSGETXATTRA: |
| 551 | case XFS_IOC_FSSETDM: |
| 552 | case XFS_IOC_GETBMAP: |
| 553 | case XFS_IOC_GETBMAPA: |
| 554 | case XFS_IOC_GETBMAPX: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 555 | case XFS_IOC_FSCOUNTS: |
| 556 | case XFS_IOC_SET_RESBLKS: |
| 557 | case XFS_IOC_GET_RESBLKS: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 558 | case XFS_IOC_FSGROWFSLOG: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 559 | case XFS_IOC_GOINGDOWN: |
| 560 | case XFS_IOC_ERROR_INJECTION: |
| 561 | case XFS_IOC_ERROR_CLEARALL: |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 562 | return xfs_file_ioctl(filp, cmd, p); |
sandeen@sandeen.net | e5d412f | 2008-11-25 21:20:17 -0600 | [diff] [blame] | 563 | #ifndef BROKEN_X86_ALIGNMENT |
| 564 | /* These are handled fine if no alignment issues */ |
| 565 | case XFS_IOC_ALLOCSP: |
| 566 | case XFS_IOC_FREESP: |
| 567 | case XFS_IOC_RESVSP: |
| 568 | case XFS_IOC_UNRESVSP: |
| 569 | case XFS_IOC_ALLOCSP64: |
| 570 | case XFS_IOC_FREESP64: |
| 571 | case XFS_IOC_RESVSP64: |
| 572 | case XFS_IOC_UNRESVSP64: |
| 573 | case XFS_IOC_FSGEOMETRY_V1: |
| 574 | case XFS_IOC_FSGROWFSDATA: |
| 575 | case XFS_IOC_FSGROWFSRT: |
Dave Chinner | 4472235 | 2010-08-24 12:02:11 +1000 | [diff] [blame] | 576 | case XFS_IOC_ZERO_RANGE: |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 577 | return xfs_file_ioctl(filp, cmd, p); |
sandeen@sandeen.net | e5d412f | 2008-11-25 21:20:17 -0600 | [diff] [blame] | 578 | #else |
Eric Sandeen | 526c420 | 2005-09-05 08:25:06 +1000 | [diff] [blame] | 579 | case XFS_IOC_ALLOCSP_32: |
| 580 | case XFS_IOC_FREESP_32: |
| 581 | case XFS_IOC_ALLOCSP64_32: |
| 582 | case XFS_IOC_FREESP64_32: |
| 583 | case XFS_IOC_RESVSP_32: |
| 584 | case XFS_IOC_UNRESVSP_32: |
| 585 | case XFS_IOC_RESVSP64_32: |
Christoph Hellwig | 8c1fdd0 | 2011-04-21 13:21:03 +0000 | [diff] [blame] | 586 | case XFS_IOC_UNRESVSP64_32: |
| 587 | case XFS_IOC_ZERO_RANGE_32: { |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 588 | struct xfs_flock64 bf; |
| 589 | |
| 590 | if (xfs_compat_flock64_copyin(&bf, arg)) |
| 591 | return -XFS_ERROR(EFAULT); |
Eric Sandeen | 526c420 | 2005-09-05 08:25:06 +1000 | [diff] [blame] | 592 | cmd = _NATIVE_IOC(cmd, struct xfs_flock64); |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 593 | return xfs_ioc_space(ip, inode, filp, ioflags, cmd, &bf); |
| 594 | } |
Michal Marek | 547e00c | 2007-07-11 11:09:57 +1000 | [diff] [blame] | 595 | case XFS_IOC_FSGEOMETRY_V1_32: |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 596 | return xfs_compat_ioc_fsgeometry_v1(mp, arg); |
sandeen@sandeen.net | 471d591 | 2008-11-25 21:20:10 -0600 | [diff] [blame] | 597 | case XFS_IOC_FSGROWFSDATA_32: { |
| 598 | struct xfs_growfs_data in; |
| 599 | |
| 600 | if (xfs_compat_growfs_data_copyin(&in, arg)) |
| 601 | return -XFS_ERROR(EFAULT); |
Jan Kara | d9457dc | 2012-06-12 16:20:39 +0200 | [diff] [blame] | 602 | error = mnt_want_write_file(filp); |
| 603 | if (error) |
| 604 | return error; |
sandeen@sandeen.net | 471d591 | 2008-11-25 21:20:10 -0600 | [diff] [blame] | 605 | error = xfs_growfs_data(mp, &in); |
Jan Kara | d9457dc | 2012-06-12 16:20:39 +0200 | [diff] [blame] | 606 | mnt_drop_write_file(filp); |
sandeen@sandeen.net | 471d591 | 2008-11-25 21:20:10 -0600 | [diff] [blame] | 607 | return -error; |
| 608 | } |
| 609 | case XFS_IOC_FSGROWFSRT_32: { |
| 610 | struct xfs_growfs_rt in; |
| 611 | |
| 612 | if (xfs_compat_growfs_rt_copyin(&in, arg)) |
| 613 | return -XFS_ERROR(EFAULT); |
Jan Kara | d9457dc | 2012-06-12 16:20:39 +0200 | [diff] [blame] | 614 | error = mnt_want_write_file(filp); |
| 615 | if (error) |
| 616 | return error; |
sandeen@sandeen.net | 471d591 | 2008-11-25 21:20:10 -0600 | [diff] [blame] | 617 | error = xfs_growfs_rt(mp, &in); |
Jan Kara | d9457dc | 2012-06-12 16:20:39 +0200 | [diff] [blame] | 618 | mnt_drop_write_file(filp); |
sandeen@sandeen.net | 471d591 | 2008-11-25 21:20:10 -0600 | [diff] [blame] | 619 | return -error; |
| 620 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 621 | #endif |
sandeen@sandeen.net | e5d412f | 2008-11-25 21:20:17 -0600 | [diff] [blame] | 622 | /* long changes size, but xfs only copiese out 32 bits */ |
| 623 | case XFS_IOC_GETXFLAGS_32: |
| 624 | case XFS_IOC_SETXFLAGS_32: |
| 625 | case XFS_IOC_GETVERSION_32: |
| 626 | cmd = _NATIVE_IOC(cmd, long); |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 627 | return xfs_file_ioctl(filp, cmd, p); |
Christoph Hellwig | 3725867 | 2009-09-01 14:03:08 -0400 | [diff] [blame] | 628 | case XFS_IOC_SWAPEXT_32: { |
sandeen@sandeen.net | e5d412f | 2008-11-25 21:20:17 -0600 | [diff] [blame] | 629 | struct xfs_swapext sxp; |
| 630 | struct compat_xfs_swapext __user *sxu = arg; |
| 631 | |
| 632 | /* Bulk copy in up to the sx_stat field, then copy bstat */ |
| 633 | if (copy_from_user(&sxp, sxu, |
| 634 | offsetof(struct xfs_swapext, sx_stat)) || |
| 635 | xfs_ioctl32_bstat_copyin(&sxp.sx_stat, &sxu->sx_stat)) |
| 636 | return -XFS_ERROR(EFAULT); |
Jan Kara | d9457dc | 2012-06-12 16:20:39 +0200 | [diff] [blame] | 637 | error = mnt_want_write_file(filp); |
| 638 | if (error) |
| 639 | return error; |
Dave Chinner | a133d95 | 2013-08-12 20:49:48 +1000 | [diff] [blame] | 640 | error = xfs_ioc_swapext(&sxp); |
Jan Kara | d9457dc | 2012-06-12 16:20:39 +0200 | [diff] [blame] | 641 | mnt_drop_write_file(filp); |
sandeen@sandeen.net | e5d412f | 2008-11-25 21:20:17 -0600 | [diff] [blame] | 642 | return -error; |
| 643 | } |
Michal Marek | faa63e9 | 2007-07-11 11:10:19 +1000 | [diff] [blame] | 644 | case XFS_IOC_FSBULKSTAT_32: |
| 645 | case XFS_IOC_FSBULKSTAT_SINGLE_32: |
| 646 | case XFS_IOC_FSINUMBERS_32: |
sandeen@sandeen.net | 2ee4fa5 | 2008-11-25 21:20:11 -0600 | [diff] [blame] | 647 | return xfs_compat_ioc_bulkstat(mp, cmd, arg); |
Michal Marek | 1fa503d | 2007-07-11 11:10:09 +1000 | [diff] [blame] | 648 | case XFS_IOC_FD_TO_HANDLE_32: |
| 649 | case XFS_IOC_PATH_TO_HANDLE_32: |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 650 | case XFS_IOC_PATH_TO_FSHANDLE_32: { |
| 651 | struct xfs_fsop_handlereq hreq; |
| 652 | |
| 653 | if (xfs_compat_handlereq_copyin(&hreq, arg)) |
| 654 | return -XFS_ERROR(EFAULT); |
Michal Marek | 1fa503d | 2007-07-11 11:10:09 +1000 | [diff] [blame] | 655 | cmd = _NATIVE_IOC(cmd, struct xfs_fsop_handlereq); |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 656 | return xfs_find_handle(cmd, &hreq); |
| 657 | } |
| 658 | case XFS_IOC_OPEN_BY_HANDLE_32: { |
| 659 | struct xfs_fsop_handlereq hreq; |
| 660 | |
| 661 | if (xfs_compat_handlereq_copyin(&hreq, arg)) |
| 662 | return -XFS_ERROR(EFAULT); |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 663 | return xfs_open_by_handle(filp, &hreq); |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 664 | } |
| 665 | case XFS_IOC_READLINK_BY_HANDLE_32: { |
| 666 | struct xfs_fsop_handlereq hreq; |
| 667 | |
| 668 | if (xfs_compat_handlereq_copyin(&hreq, arg)) |
| 669 | return -XFS_ERROR(EFAULT); |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 670 | return xfs_readlink_by_handle(filp, &hreq); |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 671 | } |
sandeen@sandeen.net | ebeecd2 | 2008-11-25 21:20:14 -0600 | [diff] [blame] | 672 | case XFS_IOC_ATTRLIST_BY_HANDLE_32: |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 673 | return xfs_compat_attrlist_by_handle(filp, arg); |
sandeen@sandeen.net | 2875097 | 2008-11-25 21:20:15 -0600 | [diff] [blame] | 674 | case XFS_IOC_ATTRMULTI_BY_HANDLE_32: |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 675 | return xfs_compat_attrmulti_by_handle(filp, arg); |
sandeen@sandeen.net | 710d62a | 2008-11-25 21:20:16 -0600 | [diff] [blame] | 676 | case XFS_IOC_FSSETDM_BY_HANDLE_32: |
Christoph Hellwig | ab596ad | 2009-01-19 02:02:57 +0100 | [diff] [blame] | 677 | return xfs_compat_fssetdm_by_handle(filp, arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 678 | default: |
sandeen@sandeen.net | d5547f9 | 2008-11-25 21:20:08 -0600 | [diff] [blame] | 679 | return -XFS_ERROR(ENOIOCTLCMD); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 680 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | } |