ntfs_vfsops.c revision 1.56.8.2
1 1.56.8.2 pooka /* $NetBSD: ntfs_vfsops.c,v 1.56.8.2 2007/07/31 21:14:19 pooka Exp $ */ 2 1.56.8.2 pooka 3 1.56.8.2 pooka /*- 4 1.56.8.2 pooka * Copyright (c) 1998, 1999 Semen Ustimenko 5 1.56.8.2 pooka * All rights reserved. 6 1.56.8.2 pooka * 7 1.56.8.2 pooka * Redistribution and use in source and binary forms, with or without 8 1.56.8.2 pooka * modification, are permitted provided that the following conditions 9 1.56.8.2 pooka * are met: 10 1.56.8.2 pooka * 1. Redistributions of source code must retain the above copyright 11 1.56.8.2 pooka * notice, this list of conditions and the following disclaimer. 12 1.56.8.2 pooka * 2. Redistributions in binary form must reproduce the above copyright 13 1.56.8.2 pooka * notice, this list of conditions and the following disclaimer in the 14 1.56.8.2 pooka * documentation and/or other materials provided with the distribution. 15 1.56.8.2 pooka * 16 1.56.8.2 pooka * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 1.56.8.2 pooka * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.56.8.2 pooka * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.56.8.2 pooka * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 1.56.8.2 pooka * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.56.8.2 pooka * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.56.8.2 pooka * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.56.8.2 pooka * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.56.8.2 pooka * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.56.8.2 pooka * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.56.8.2 pooka * SUCH DAMAGE. 27 1.56.8.2 pooka * 28 1.56.8.2 pooka * Id: ntfs_vfsops.c,v 1.7 1999/05/31 11:28:30 phk Exp 29 1.56.8.2 pooka */ 30 1.56.8.2 pooka 31 1.56.8.2 pooka #include <sys/cdefs.h> 32 1.56.8.2 pooka __KERNEL_RCSID(0, "$NetBSD: ntfs_vfsops.c,v 1.56.8.2 2007/07/31 21:14:19 pooka Exp $"); 33 1.56.8.2 pooka 34 1.56.8.2 pooka #include <sys/param.h> 35 1.56.8.2 pooka #include <sys/systm.h> 36 1.56.8.2 pooka #include <sys/namei.h> 37 1.56.8.2 pooka #include <sys/proc.h> 38 1.56.8.2 pooka #include <sys/kernel.h> 39 1.56.8.2 pooka #include <sys/vnode.h> 40 1.56.8.2 pooka #include <sys/mount.h> 41 1.56.8.2 pooka #include <sys/buf.h> 42 1.56.8.2 pooka #include <sys/fcntl.h> 43 1.56.8.2 pooka #include <sys/malloc.h> 44 1.56.8.2 pooka #include <sys/sysctl.h> 45 1.56.8.2 pooka #include <sys/device.h> 46 1.56.8.2 pooka #include <sys/conf.h> 47 1.56.8.2 pooka #include <sys/kauth.h> 48 1.56.8.2 pooka 49 1.56.8.2 pooka #if defined(__NetBSD__) 50 1.56.8.2 pooka #include <uvm/uvm_extern.h> 51 1.56.8.2 pooka #else 52 1.56.8.2 pooka #include <vm/vm.h> 53 1.56.8.2 pooka #endif 54 1.56.8.2 pooka 55 1.56.8.2 pooka #include <miscfs/specfs/specdev.h> 56 1.56.8.2 pooka 57 1.56.8.2 pooka #include <fs/ntfs/ntfs.h> 58 1.56.8.2 pooka #include <fs/ntfs/ntfs_inode.h> 59 1.56.8.2 pooka #include <fs/ntfs/ntfs_subr.h> 60 1.56.8.2 pooka #include <fs/ntfs/ntfs_vfsops.h> 61 1.56.8.2 pooka #include <fs/ntfs/ntfs_ihash.h> 62 1.56.8.2 pooka #include <fs/ntfs/ntfsmount.h> 63 1.56.8.2 pooka 64 1.56.8.2 pooka MALLOC_JUSTDEFINE(M_NTFSMNT, "NTFS mount", "NTFS mount structure"); 65 1.56.8.2 pooka MALLOC_JUSTDEFINE(M_NTFSNTNODE,"NTFS ntnode", "NTFS ntnode information"); 66 1.56.8.2 pooka MALLOC_JUSTDEFINE(M_NTFSFNODE,"NTFS fnode", "NTFS fnode information"); 67 1.56.8.2 pooka MALLOC_JUSTDEFINE(M_NTFSDIR,"NTFS dir", "NTFS dir buffer"); 68 1.56.8.2 pooka 69 1.56.8.2 pooka #if defined(__FreeBSD__) 70 1.56.8.2 pooka static int ntfs_mount(struct mount *, char *, void *, 71 1.56.8.2 pooka struct nameidata *, struct proc *); 72 1.56.8.2 pooka #else 73 1.56.8.2 pooka static int ntfs_mount(struct mount *, const char *, void *, size_t *, 74 1.56.8.2 pooka struct lwp *); 75 1.56.8.2 pooka #endif 76 1.56.8.2 pooka static int ntfs_quotactl(struct mount *, int, uid_t, void *, 77 1.56.8.2 pooka struct lwp *); 78 1.56.8.2 pooka static int ntfs_root(struct mount *, struct vnode **); 79 1.56.8.2 pooka static int ntfs_start(struct mount *, int, struct lwp *); 80 1.56.8.2 pooka static int ntfs_statvfs(struct mount *, struct statvfs *, 81 1.56.8.2 pooka struct lwp *); 82 1.56.8.2 pooka static int ntfs_sync(struct mount *, int, kauth_cred_t, 83 1.56.8.2 pooka struct lwp *); 84 1.56.8.2 pooka static int ntfs_unmount(struct mount *, int, struct lwp *); 85 1.56.8.2 pooka static int ntfs_vget(struct mount *mp, ino_t ino, 86 1.56.8.2 pooka struct vnode **vpp); 87 1.56.8.2 pooka static int ntfs_mountfs(struct vnode *, struct mount *, 88 1.56.8.2 pooka struct ntfs_args *, struct lwp *); 89 1.56.8.2 pooka static int ntfs_vptofh(struct vnode *, struct fid *, size_t *); 90 1.56.8.2 pooka 91 1.56.8.2 pooka #if defined(__FreeBSD__) 92 1.56.8.2 pooka static int ntfs_init(struct vfsconf *); 93 1.56.8.2 pooka static int ntfs_fhtovp(struct mount *, struct fid *, 94 1.56.8.2 pooka struct sockaddr *, struct vnode **, 95 1.56.8.2 pooka int *, struct ucred **); 96 1.56.8.2 pooka #elif defined(__NetBSD__) 97 1.56.8.2 pooka static void ntfs_init(void); 98 1.56.8.2 pooka static void ntfs_reinit(void); 99 1.56.8.2 pooka static void ntfs_done(void); 100 1.56.8.2 pooka static int ntfs_fhtovp(struct mount *, struct fid *, 101 1.56.8.2 pooka struct vnode **); 102 1.56.8.2 pooka static int ntfs_mountroot(void); 103 1.56.8.2 pooka #else 104 1.56.8.2 pooka static int ntfs_init(void); 105 1.56.8.2 pooka static int ntfs_fhtovp(struct mount *, struct fid *, 106 1.56.8.2 pooka struct mbuf *, struct vnode **, 107 1.56.8.2 pooka int *, kauth_cred_t *); 108 1.56.8.2 pooka #endif 109 1.56.8.2 pooka 110 1.56.8.2 pooka static const struct genfs_ops ntfs_genfsops = { 111 1.56.8.2 pooka .gop_write = genfs_compat_gop_write, 112 1.56.8.2 pooka }; 113 1.56.8.2 pooka 114 1.56.8.2 pooka #ifdef __NetBSD__ 115 1.56.8.2 pooka 116 1.56.8.2 pooka SYSCTL_SETUP(sysctl_vfs_ntfs_setup, "sysctl vfs.ntfs subtree setup") 117 1.56.8.2 pooka { 118 1.56.8.2 pooka 119 1.56.8.2 pooka sysctl_createv(clog, 0, NULL, NULL, 120 1.56.8.2 pooka CTLFLAG_PERMANENT, 121 1.56.8.2 pooka CTLTYPE_NODE, "vfs", NULL, 122 1.56.8.2 pooka NULL, 0, NULL, 0, 123 1.56.8.2 pooka CTL_VFS, CTL_EOL); 124 1.56.8.2 pooka sysctl_createv(clog, 0, NULL, NULL, 125 1.56.8.2 pooka CTLFLAG_PERMANENT, 126 1.56.8.2 pooka CTLTYPE_NODE, "ntfs", 127 1.56.8.2 pooka SYSCTL_DESCR("NTFS file system"), 128 1.56.8.2 pooka NULL, 0, NULL, 0, 129 1.56.8.2 pooka CTL_VFS, 20, CTL_EOL); 130 1.56.8.2 pooka /* 131 1.56.8.2 pooka * XXX the "20" above could be dynamic, thereby eliminating 132 1.56.8.2 pooka * one more instance of the "number to vfs" mapping problem, 133 1.56.8.2 pooka * but "20" is the order as taken from sys/mount.h 134 1.56.8.2 pooka */ 135 1.56.8.2 pooka } 136 1.56.8.2 pooka 137 1.56.8.2 pooka static int 138 1.56.8.2 pooka ntfs_mountroot() 139 1.56.8.2 pooka { 140 1.56.8.2 pooka struct mount *mp; 141 1.56.8.2 pooka struct lwp *l = curlwp; /* XXX */ 142 1.56.8.2 pooka int error; 143 1.56.8.2 pooka struct ntfs_args args; 144 1.56.8.2 pooka 145 1.56.8.2 pooka if (device_class(root_device) != DV_DISK) 146 1.56.8.2 pooka return (ENODEV); 147 1.56.8.2 pooka 148 1.56.8.2 pooka if ((error = vfs_rootmountalloc(MOUNT_NTFS, "root_device", &mp))) { 149 1.56.8.2 pooka vrele(rootvp); 150 1.56.8.2 pooka return (error); 151 1.56.8.2 pooka } 152 1.56.8.2 pooka 153 1.56.8.2 pooka args.flag = 0; 154 1.56.8.2 pooka args.uid = 0; 155 1.56.8.2 pooka args.gid = 0; 156 1.56.8.2 pooka args.mode = 0777; 157 1.56.8.2 pooka 158 1.56.8.2 pooka if ((error = ntfs_mountfs(rootvp, mp, &args, l)) != 0) { 159 1.56.8.2 pooka mp->mnt_op->vfs_refcount--; 160 1.56.8.2 pooka vfs_unbusy(mp); 161 1.56.8.2 pooka free(mp, M_MOUNT); 162 1.56.8.2 pooka return (error); 163 1.56.8.2 pooka } 164 1.56.8.2 pooka 165 1.56.8.2 pooka simple_lock(&mountlist_slock); 166 1.56.8.2 pooka CIRCLEQ_INSERT_TAIL(&mountlist, mp, mnt_list); 167 1.56.8.2 pooka simple_unlock(&mountlist_slock); 168 1.56.8.2 pooka (void)ntfs_statvfs(mp, &mp->mnt_stat, l); 169 1.56.8.2 pooka vfs_unbusy(mp); 170 1.56.8.2 pooka return (0); 171 1.56.8.2 pooka } 172 1.56.8.2 pooka 173 1.56.8.2 pooka static void 174 1.56.8.2 pooka ntfs_init() 175 1.56.8.2 pooka { 176 1.56.8.2 pooka 177 1.56.8.2 pooka malloc_type_attach(M_NTFSMNT); 178 1.56.8.2 pooka malloc_type_attach(M_NTFSNTNODE); 179 1.56.8.2 pooka malloc_type_attach(M_NTFSFNODE); 180 1.56.8.2 pooka malloc_type_attach(M_NTFSDIR); 181 1.56.8.2 pooka malloc_type_attach(M_NTFSNTHASH); 182 1.56.8.2 pooka malloc_type_attach(M_NTFSNTVATTR); 183 1.56.8.2 pooka malloc_type_attach(M_NTFSRDATA); 184 1.56.8.2 pooka malloc_type_attach(M_NTFSDECOMP); 185 1.56.8.2 pooka malloc_type_attach(M_NTFSRUN); 186 1.56.8.2 pooka ntfs_nthashinit(); 187 1.56.8.2 pooka ntfs_toupper_init(); 188 1.56.8.2 pooka } 189 1.56.8.2 pooka 190 1.56.8.2 pooka static void 191 1.56.8.2 pooka ntfs_reinit() 192 1.56.8.2 pooka { 193 1.56.8.2 pooka ntfs_nthashreinit(); 194 1.56.8.2 pooka } 195 1.56.8.2 pooka 196 1.56.8.2 pooka static void 197 1.56.8.2 pooka ntfs_done() 198 1.56.8.2 pooka { 199 1.56.8.2 pooka ntfs_nthashdone(); 200 1.56.8.2 pooka malloc_type_detach(M_NTFSMNT); 201 1.56.8.2 pooka malloc_type_detach(M_NTFSNTNODE); 202 1.56.8.2 pooka malloc_type_detach(M_NTFSFNODE); 203 1.56.8.2 pooka malloc_type_detach(M_NTFSDIR); 204 1.56.8.2 pooka malloc_type_detach(M_NTFSNTHASH); 205 1.56.8.2 pooka malloc_type_detach(M_NTFSNTVATTR); 206 1.56.8.2 pooka malloc_type_detach(M_NTFSRDATA); 207 1.56.8.2 pooka malloc_type_detach(M_NTFSDECOMP); 208 1.56.8.2 pooka malloc_type_detach(M_NTFSRUN); 209 1.56.8.2 pooka } 210 1.56.8.2 pooka 211 1.56.8.2 pooka #elif defined(__FreeBSD__) 212 1.56.8.2 pooka 213 1.56.8.2 pooka static int 214 1.56.8.2 pooka ntfs_init ( 215 1.56.8.2 pooka struct vfsconf *vcp ) 216 1.56.8.2 pooka { 217 1.56.8.2 pooka ntfs_nthashinit(); 218 1.56.8.2 pooka ntfs_toupper_init(); 219 1.56.8.2 pooka return 0; 220 1.56.8.2 pooka } 221 1.56.8.2 pooka 222 1.56.8.2 pooka #endif /* NetBSD */ 223 1.56.8.2 pooka 224 1.56.8.2 pooka static int 225 1.56.8.2 pooka ntfs_mount ( 226 1.56.8.2 pooka struct mount *mp, 227 1.56.8.2 pooka #if defined(__FreeBSD__) 228 1.56.8.2 pooka char *path, 229 1.56.8.2 pooka void *data, 230 1.56.8.2 pooka struct nameidata *ndp, 231 1.56.8.2 pooka struct proc *p ) 232 1.56.8.2 pooka #else 233 1.56.8.2 pooka const char *path, 234 1.56.8.2 pooka void *data, 235 1.56.8.2 pooka size_t *data_len, 236 1.56.8.2 pooka struct lwp *l ) 237 1.56.8.2 pooka #endif 238 1.56.8.2 pooka { 239 1.56.8.2 pooka struct nameidata nd; 240 1.56.8.2 pooka #ifdef __NetBSD__ 241 1.56.8.2 pooka struct nameidata *ndp = &nd; 242 1.56.8.2 pooka #endif 243 1.56.8.2 pooka int err = 0, flags; 244 1.56.8.2 pooka struct vnode *devvp; 245 1.56.8.2 pooka #if defined(__FreeBSD__) 246 1.56.8.2 pooka struct ntfs_args *args = args_buf; 247 1.56.8.2 pooka #else 248 1.56.8.2 pooka struct ntfs_args *args = data; 249 1.56.8.2 pooka 250 1.56.8.2 pooka if (*data_len < sizeof *args) 251 1.56.8.2 pooka return EINVAL; 252 1.56.8.2 pooka #endif 253 1.56.8.2 pooka 254 1.56.8.2 pooka if (mp->mnt_flag & MNT_GETARGS) { 255 1.56.8.2 pooka struct ntfsmount *ntmp = VFSTONTFS(mp); 256 1.56.8.2 pooka if (ntmp == NULL) 257 1.56.8.2 pooka return EIO; 258 1.56.8.2 pooka args->fspec = NULL; 259 1.56.8.2 pooka args->uid = ntmp->ntm_uid; 260 1.56.8.2 pooka args->gid = ntmp->ntm_gid; 261 1.56.8.2 pooka args->mode = ntmp->ntm_mode; 262 1.56.8.2 pooka args->flag = ntmp->ntm_flag; 263 1.56.8.2 pooka #if defined(__FreeBSD__) 264 1.56.8.2 pooka return copyout(args, data, sizeof(args)); 265 1.56.8.2 pooka #else 266 1.56.8.2 pooka *data_len = sizeof *args; 267 1.56.8.2 pooka return 0; 268 1.56.8.2 pooka #endif 269 1.56.8.2 pooka } 270 1.56.8.2 pooka /* 271 1.56.8.2 pooka *** 272 1.56.8.2 pooka * Mounting non-root file system or updating a file system 273 1.56.8.2 pooka *** 274 1.56.8.2 pooka */ 275 1.56.8.2 pooka 276 1.56.8.2 pooka #if defined(__FreeBSD__) 277 1.56.8.2 pooka /* copy in user arguments*/ 278 1.56.8.2 pooka err = copyin(data, args, sizeof (struct ntfs_args)); 279 1.56.8.2 pooka if (err) 280 1.56.8.2 pooka return (err); /* can't get arguments*/ 281 1.56.8.2 pooka #endif 282 1.56.8.2 pooka 283 1.56.8.2 pooka /* 284 1.56.8.2 pooka * If updating, check whether changing from read-only to 285 1.56.8.2 pooka * read/write; if there is no device name, that's all we do. 286 1.56.8.2 pooka */ 287 1.56.8.2 pooka if (mp->mnt_flag & MNT_UPDATE) { 288 1.56.8.2 pooka printf("ntfs_mount(): MNT_UPDATE not supported\n"); 289 1.56.8.2 pooka return (EINVAL); 290 1.56.8.2 pooka } 291 1.56.8.2 pooka 292 1.56.8.2 pooka /* 293 1.56.8.2 pooka * Not an update, or updating the name: look up the name 294 1.56.8.2 pooka * and verify that it refers to a sensible block device. 295 1.56.8.2 pooka */ 296 1.56.8.2 pooka #ifdef __FreeBSD__ 297 1.56.8.2 pooka NDINIT(ndp, LOOKUP, FOLLOW, UIO_USERSPACE, args->fspec, p); 298 1.56.8.2 pooka #else 299 1.56.8.2 pooka NDINIT(ndp, LOOKUP, FOLLOW, UIO_USERSPACE, args->fspec, l); 300 1.56.8.2 pooka #endif 301 1.56.8.2 pooka err = namei(ndp); 302 1.56.8.2 pooka if (err) { 303 1.56.8.2 pooka /* can't get devvp!*/ 304 1.56.8.2 pooka return (err); 305 1.56.8.2 pooka } 306 1.56.8.2 pooka 307 1.56.8.2 pooka devvp = ndp->ni_vp; 308 1.56.8.2 pooka 309 1.56.8.2 pooka if (devvp->v_type != VBLK) { 310 1.56.8.2 pooka err = ENOTBLK; 311 1.56.8.2 pooka goto fail; 312 1.56.8.2 pooka } 313 1.56.8.2 pooka #ifdef __FreeBSD__ 314 1.56.8.2 pooka if (bdevsw(devvp->v_rdev) == NULL) { 315 1.56.8.2 pooka #else 316 1.56.8.2 pooka if (bdevsw_lookup(devvp->v_rdev) == NULL) { 317 1.56.8.2 pooka #endif 318 1.56.8.2 pooka err = ENXIO; 319 1.56.8.2 pooka goto fail; 320 1.56.8.2 pooka } 321 1.56.8.2 pooka if (mp->mnt_flag & MNT_UPDATE) { 322 1.56.8.2 pooka #if 0 323 1.56.8.2 pooka /* 324 1.56.8.2 pooka ******************** 325 1.56.8.2 pooka * UPDATE 326 1.56.8.2 pooka ******************** 327 1.56.8.2 pooka */ 328 1.56.8.2 pooka 329 1.56.8.2 pooka if (devvp != ntmp->um_devvp) { 330 1.56.8.2 pooka err = EINVAL; /* needs translation */ 331 1.56.8.2 pooka goto fail; 332 1.56.8.2 pooka } 333 1.56.8.2 pooka 334 1.56.8.2 pooka /* 335 1.56.8.2 pooka * Update device name only on success 336 1.56.8.2 pooka */ 337 1.56.8.2 pooka err = set_statvfs_info(NULL, UIO_USERSPACE, args->fspec, 338 1.56.8.2 pooka UIO_USERSPACE, mp->mnt_op->vfs_name, mp, p); 339 1.56.8.2 pooka if (err) 340 1.56.8.2 pooka goto fail; 341 1.56.8.2 pooka 342 1.56.8.2 pooka vrele(devvp); 343 1.56.8.2 pooka #endif 344 1.56.8.2 pooka } else { 345 1.56.8.2 pooka /* 346 1.56.8.2 pooka ******************** 347 1.56.8.2 pooka * NEW MOUNT 348 1.56.8.2 pooka ******************** 349 1.56.8.2 pooka */ 350 1.56.8.2 pooka 351 1.56.8.2 pooka /* 352 1.56.8.2 pooka * Since this is a new mount, we want the names for 353 1.56.8.2 pooka * the device and the mount point copied in. If an 354 1.56.8.2 pooka * error occurs, the mountpoint is discarded by the 355 1.56.8.2 pooka * upper level code. 356 1.56.8.2 pooka */ 357 1.56.8.2 pooka 358 1.56.8.2 pooka /* Save "last mounted on" info for mount point (NULL pad)*/ 359 1.56.8.2 pooka err = set_statvfs_info(path, UIO_USERSPACE, args->fspec, 360 1.56.8.2 pooka UIO_USERSPACE, mp->mnt_op->vfs_name, mp, l); 361 1.56.8.2 pooka if (err) 362 1.56.8.2 pooka goto fail; 363 1.56.8.2 pooka 364 1.56.8.2 pooka /* 365 1.56.8.2 pooka * Disallow multiple mounts of the same device. 366 1.56.8.2 pooka * Disallow mounting of a device that is currently in use 367 1.56.8.2 pooka * (except for root, which might share swap device for 368 1.56.8.2 pooka * miniroot). 369 1.56.8.2 pooka */ 370 1.56.8.2 pooka err = vfs_mountedon(devvp); 371 1.56.8.2 pooka if (err) 372 1.56.8.2 pooka goto fail; 373 1.56.8.2 pooka if (vcount(devvp) > 1 && devvp != rootvp) { 374 1.56.8.2 pooka err = EBUSY; 375 1.56.8.2 pooka goto fail; 376 1.56.8.2 pooka } 377 1.56.8.2 pooka if (mp->mnt_flag & MNT_RDONLY) 378 1.56.8.2 pooka flags = FREAD; 379 1.56.8.2 pooka else 380 1.56.8.2 pooka flags = FREAD|FWRITE; 381 1.56.8.2 pooka err = VOP_OPEN(devvp, flags, FSCRED, l); 382 1.56.8.2 pooka if (err) 383 1.56.8.2 pooka goto fail; 384 1.56.8.2 pooka err = ntfs_mountfs(devvp, mp, args, l); 385 1.56.8.2 pooka if (err) { 386 1.56.8.2 pooka vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); 387 1.56.8.2 pooka (void)VOP_CLOSE(devvp, flags, NOCRED, l); 388 1.56.8.2 pooka VOP_UNLOCK(devvp, 0); 389 1.56.8.2 pooka goto fail; 390 1.56.8.2 pooka } 391 1.56.8.2 pooka } 392 1.56.8.2 pooka 393 1.56.8.2 pooka #ifdef __FreeBSD__ 394 1.56.8.2 pooka dostatvfs: 395 1.56.8.2 pooka #endif 396 1.56.8.2 pooka /* 397 1.56.8.2 pooka * Initialize FS stat information in mount struct; uses both 398 1.56.8.2 pooka * mp->mnt_stat.f_mntonname and mp->mnt_stat.f_mntfromname 399 1.56.8.2 pooka * 400 1.56.8.2 pooka * This code is common to root and non-root mounts 401 1.56.8.2 pooka */ 402 1.56.8.2 pooka (void)VFS_STATVFS(mp, &mp->mnt_stat, l); 403 1.56.8.2 pooka return (err); 404 1.56.8.2 pooka 405 1.56.8.2 pooka fail: 406 1.56.8.2 pooka vrele(devvp); 407 1.56.8.2 pooka return (err); 408 1.56.8.2 pooka } 409 1.56.8.2 pooka 410 1.56.8.2 pooka /* 411 1.56.8.2 pooka * Common code for mount and mountroot 412 1.56.8.2 pooka */ 413 1.56.8.2 pooka int 414 1.56.8.2 pooka ntfs_mountfs(devvp, mp, argsp, l) 415 1.56.8.2 pooka struct vnode *devvp; 416 1.56.8.2 pooka struct mount *mp; 417 1.56.8.2 pooka struct ntfs_args *argsp; 418 1.56.8.2 pooka struct lwp *l; 419 1.56.8.2 pooka { 420 1.56.8.2 pooka struct buf *bp; 421 1.56.8.2 pooka struct ntfsmount *ntmp; 422 1.56.8.2 pooka dev_t dev = devvp->v_rdev; 423 1.56.8.2 pooka int error, ronly, i; 424 1.56.8.2 pooka struct vnode *vp; 425 1.56.8.2 pooka 426 1.56.8.2 pooka ntmp = NULL; 427 1.56.8.2 pooka 428 1.56.8.2 pooka /* 429 1.56.8.2 pooka * Flush out any old buffers remaining from a previous use. 430 1.56.8.2 pooka */ 431 1.56.8.2 pooka vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); 432 1.56.8.2 pooka error = vinvalbuf(devvp, V_SAVE, l->l_cred, l, 0, 0); 433 1.56.8.2 pooka VOP_UNLOCK(devvp, 0); 434 1.56.8.2 pooka if (error) 435 1.56.8.2 pooka return (error); 436 1.56.8.2 pooka 437 1.56.8.2 pooka ronly = (mp->mnt_flag & MNT_RDONLY) != 0; 438 1.56.8.2 pooka 439 1.56.8.2 pooka bp = NULL; 440 1.56.8.2 pooka 441 1.56.8.2 pooka error = bread(devvp, BBLOCK, BBSIZE, NOCRED, &bp); 442 1.56.8.2 pooka if (error) 443 1.56.8.2 pooka goto out; 444 1.56.8.2 pooka ntmp = malloc( sizeof *ntmp, M_NTFSMNT, M_WAITOK ); 445 1.56.8.2 pooka bzero( ntmp, sizeof *ntmp ); 446 1.56.8.2 pooka bcopy( bp->b_data, &ntmp->ntm_bootfile, sizeof(struct bootfile) ); 447 1.56.8.2 pooka brelse( bp ); 448 1.56.8.2 pooka bp = NULL; 449 1.56.8.2 pooka 450 1.56.8.2 pooka if (strncmp(ntmp->ntm_bootfile.bf_sysid, NTFS_BBID, NTFS_BBIDLEN)) { 451 1.56.8.2 pooka error = EINVAL; 452 1.56.8.2 pooka dprintf(("ntfs_mountfs: invalid boot block\n")); 453 1.56.8.2 pooka goto out; 454 1.56.8.2 pooka } 455 1.56.8.2 pooka 456 1.56.8.2 pooka { 457 1.56.8.2 pooka int8_t cpr = ntmp->ntm_mftrecsz; 458 1.56.8.2 pooka if( cpr > 0 ) 459 1.56.8.2 pooka ntmp->ntm_bpmftrec = ntmp->ntm_spc * cpr; 460 1.56.8.2 pooka else 461 1.56.8.2 pooka ntmp->ntm_bpmftrec = (1 << (-cpr)) / ntmp->ntm_bps; 462 1.56.8.2 pooka } 463 1.56.8.2 pooka dprintf(("ntfs_mountfs(): bps: %d, spc: %d, media: %x, mftrecsz: %d (%d sects)\n", 464 1.56.8.2 pooka ntmp->ntm_bps,ntmp->ntm_spc,ntmp->ntm_bootfile.bf_media, 465 1.56.8.2 pooka ntmp->ntm_mftrecsz,ntmp->ntm_bpmftrec)); 466 1.56.8.2 pooka dprintf(("ntfs_mountfs(): mftcn: 0x%x|0x%x\n", 467 1.56.8.2 pooka (u_int32_t)ntmp->ntm_mftcn,(u_int32_t)ntmp->ntm_mftmirrcn)); 468 1.56.8.2 pooka 469 1.56.8.2 pooka ntmp->ntm_mountp = mp; 470 1.56.8.2 pooka ntmp->ntm_dev = dev; 471 1.56.8.2 pooka ntmp->ntm_devvp = devvp; 472 1.56.8.2 pooka ntmp->ntm_uid = argsp->uid; 473 1.56.8.2 pooka ntmp->ntm_gid = argsp->gid; 474 1.56.8.2 pooka ntmp->ntm_mode = argsp->mode; 475 1.56.8.2 pooka ntmp->ntm_flag = argsp->flag; 476 1.56.8.2 pooka mp->mnt_data = ntmp; 477 1.56.8.2 pooka 478 1.56.8.2 pooka /* set file name encode/decode hooks XXX utf-8 only for now */ 479 1.56.8.2 pooka ntmp->ntm_wget = ntfs_utf8_wget; 480 1.56.8.2 pooka ntmp->ntm_wput = ntfs_utf8_wput; 481 1.56.8.2 pooka ntmp->ntm_wcmp = ntfs_utf8_wcmp; 482 1.56.8.2 pooka 483 1.56.8.2 pooka dprintf(("ntfs_mountfs(): case-%s,%s uid: %d, gid: %d, mode: %o\n", 484 1.56.8.2 pooka (ntmp->ntm_flag & NTFS_MFLAG_CASEINS)?"insens.":"sens.", 485 1.56.8.2 pooka (ntmp->ntm_flag & NTFS_MFLAG_ALLNAMES)?" allnames,":"", 486 1.56.8.2 pooka ntmp->ntm_uid, ntmp->ntm_gid, ntmp->ntm_mode)); 487 1.56.8.2 pooka 488 1.56.8.2 pooka /* 489 1.56.8.2 pooka * We read in some system nodes to do not allow 490 1.56.8.2 pooka * reclaim them and to have everytime access to them. 491 1.56.8.2 pooka */ 492 1.56.8.2 pooka { 493 1.56.8.2 pooka int pi[3] = { NTFS_MFTINO, NTFS_ROOTINO, NTFS_BITMAPINO }; 494 1.56.8.2 pooka for (i=0; i<3; i++) { 495 1.56.8.2 pooka error = VFS_VGET(mp, pi[i], &(ntmp->ntm_sysvn[pi[i]])); 496 1.56.8.2 pooka if(error) 497 1.56.8.2 pooka goto out1; 498 1.56.8.2 pooka ntmp->ntm_sysvn[pi[i]]->v_flag |= VSYSTEM; 499 1.56.8.2 pooka VREF(ntmp->ntm_sysvn[pi[i]]); 500 1.56.8.2 pooka vput(ntmp->ntm_sysvn[pi[i]]); 501 1.56.8.2 pooka } 502 1.56.8.2 pooka } 503 1.56.8.2 pooka 504 1.56.8.2 pooka /* read the Unicode lowercase --> uppercase translation table, 505 1.56.8.2 pooka * if necessary */ 506 1.56.8.2 pooka if ((error = ntfs_toupper_use(mp, ntmp))) 507 1.56.8.2 pooka goto out1; 508 1.56.8.2 pooka 509 1.56.8.2 pooka /* 510 1.56.8.2 pooka * Scan $BitMap and count free clusters 511 1.56.8.2 pooka */ 512 1.56.8.2 pooka error = ntfs_calccfree(ntmp, &ntmp->ntm_cfree); 513 1.56.8.2 pooka if(error) 514 1.56.8.2 pooka goto out1; 515 1.56.8.2 pooka 516 1.56.8.2 pooka /* 517 1.56.8.2 pooka * Read and translate to internal format attribute 518 1.56.8.2 pooka * definition file. 519 1.56.8.2 pooka */ 520 1.56.8.2 pooka { 521 1.56.8.2 pooka int num,j; 522 1.56.8.2 pooka struct attrdef ad; 523 1.56.8.2 pooka 524 1.56.8.2 pooka /* Open $AttrDef */ 525 1.56.8.2 pooka error = VFS_VGET(mp, NTFS_ATTRDEFINO, &vp ); 526 1.56.8.2 pooka if(error) 527 1.56.8.2 pooka goto out1; 528 1.56.8.2 pooka 529 1.56.8.2 pooka /* Count valid entries */ 530 1.56.8.2 pooka for(num=0;;num++) { 531 1.56.8.2 pooka error = ntfs_readattr(ntmp, VTONT(vp), 532 1.56.8.2 pooka NTFS_A_DATA, NULL, 533 1.56.8.2 pooka num * sizeof(ad), sizeof(ad), 534 1.56.8.2 pooka &ad, NULL); 535 1.56.8.2 pooka if (error) 536 1.56.8.2 pooka goto out1; 537 1.56.8.2 pooka if (ad.ad_name[0] == 0) 538 1.56.8.2 pooka break; 539 1.56.8.2 pooka } 540 1.56.8.2 pooka 541 1.56.8.2 pooka /* Alloc memory for attribute definitions */ 542 1.56.8.2 pooka ntmp->ntm_ad = (struct ntvattrdef *) malloc( 543 1.56.8.2 pooka num * sizeof(struct ntvattrdef), 544 1.56.8.2 pooka M_NTFSMNT, M_WAITOK); 545 1.56.8.2 pooka 546 1.56.8.2 pooka ntmp->ntm_adnum = num; 547 1.56.8.2 pooka 548 1.56.8.2 pooka /* Read them and translate */ 549 1.56.8.2 pooka for(i=0;i<num;i++){ 550 1.56.8.2 pooka error = ntfs_readattr(ntmp, VTONT(vp), 551 1.56.8.2 pooka NTFS_A_DATA, NULL, 552 1.56.8.2 pooka i * sizeof(ad), sizeof(ad), 553 1.56.8.2 pooka &ad, NULL); 554 1.56.8.2 pooka if (error) 555 1.56.8.2 pooka goto out1; 556 1.56.8.2 pooka j = 0; 557 1.56.8.2 pooka do { 558 1.56.8.2 pooka ntmp->ntm_ad[i].ad_name[j] = ad.ad_name[j]; 559 1.56.8.2 pooka } while(ad.ad_name[j++]); 560 1.56.8.2 pooka ntmp->ntm_ad[i].ad_namelen = j - 1; 561 1.56.8.2 pooka ntmp->ntm_ad[i].ad_type = ad.ad_type; 562 1.56.8.2 pooka } 563 1.56.8.2 pooka 564 1.56.8.2 pooka vput(vp); 565 1.56.8.2 pooka } 566 1.56.8.2 pooka 567 1.56.8.2 pooka #if defined(__FreeBSD__) 568 1.56.8.2 pooka mp->mnt_stat.f_fsid.val[0] = dev2udev(dev); 569 1.56.8.2 pooka mp->mnt_stat.f_fsid.val[1] = mp->mnt_vfc->vfc_typenum; 570 1.56.8.2 pooka #else 571 1.56.8.2 pooka mp->mnt_stat.f_fsidx.__fsid_val[0] = dev; 572 1.56.8.2 pooka mp->mnt_stat.f_fsidx.__fsid_val[1] = makefstype(MOUNT_NTFS); 573 1.56.8.2 pooka mp->mnt_stat.f_fsid = mp->mnt_stat.f_fsidx.__fsid_val[0]; 574 1.56.8.2 pooka mp->mnt_stat.f_namemax = NTFS_MAXFILENAME; 575 1.56.8.2 pooka #endif 576 1.56.8.2 pooka mp->mnt_flag |= MNT_LOCAL; 577 1.56.8.2 pooka devvp->v_specmountpoint = mp; 578 1.56.8.2 pooka return (0); 579 1.56.8.2 pooka 580 1.56.8.2 pooka out1: 581 1.56.8.2 pooka for(i=0;i<NTFS_SYSNODESNUM;i++) 582 1.56.8.2 pooka if(ntmp->ntm_sysvn[i]) vrele(ntmp->ntm_sysvn[i]); 583 1.56.8.2 pooka 584 1.56.8.2 pooka if (vflush(mp,NULLVP,0)) { 585 1.56.8.2 pooka dprintf(("ntfs_mountfs: vflush failed\n")); 586 1.56.8.2 pooka } 587 1.56.8.2 pooka out: 588 1.56.8.2 pooka devvp->v_specmountpoint = NULL; 589 1.56.8.2 pooka if (bp) 590 1.56.8.2 pooka brelse(bp); 591 1.56.8.2 pooka 592 1.56.8.2 pooka if (error) { 593 1.56.8.2 pooka if (ntmp) { 594 1.56.8.2 pooka if (ntmp->ntm_ad) 595 1.56.8.2 pooka free(ntmp->ntm_ad, M_NTFSMNT); 596 1.56.8.2 pooka free(ntmp, M_NTFSMNT); 597 1.56.8.2 pooka } 598 1.56.8.2 pooka } 599 1.56.8.2 pooka 600 1.56.8.2 pooka return (error); 601 1.56.8.2 pooka } 602 1.56.8.2 pooka 603 1.56.8.2 pooka static int 604 1.56.8.2 pooka ntfs_start ( 605 1.56.8.2 pooka struct mount *mp, 606 1.56.8.2 pooka int flags, 607 1.56.8.2 pooka struct lwp *l) 608 1.56.8.2 pooka { 609 1.56.8.2 pooka return (0); 610 1.56.8.2 pooka } 611 1.56.8.2 pooka 612 1.56.8.2 pooka static int 613 1.56.8.2 pooka ntfs_unmount( 614 1.56.8.2 pooka struct mount *mp, 615 1.56.8.2 pooka int mntflags, 616 1.56.8.2 pooka struct lwp *l) 617 1.56.8.2 pooka { 618 1.56.8.2 pooka struct ntfsmount *ntmp; 619 1.56.8.2 pooka int error, ronly = 0, flags, i; 620 1.56.8.2 pooka 621 1.56.8.2 pooka dprintf(("ntfs_unmount: unmounting...\n")); 622 1.56.8.2 pooka ntmp = VFSTONTFS(mp); 623 1.56.8.2 pooka 624 1.56.8.2 pooka flags = 0; 625 1.56.8.2 pooka if(mntflags & MNT_FORCE) 626 1.56.8.2 pooka flags |= FORCECLOSE; 627 1.56.8.2 pooka 628 1.56.8.2 pooka dprintf(("ntfs_unmount: vflushing...\n")); 629 1.56.8.2 pooka error = vflush(mp,NULLVP,flags | SKIPSYSTEM); 630 1.56.8.2 pooka if (error) { 631 1.56.8.2 pooka dprintf(("ntfs_unmount: vflush failed: %d\n",error)); 632 1.56.8.2 pooka return (error); 633 1.56.8.2 pooka } 634 1.56.8.2 pooka 635 1.56.8.2 pooka /* Check if only system vnodes are rest */ 636 1.56.8.2 pooka for(i=0;i<NTFS_SYSNODESNUM;i++) 637 1.56.8.2 pooka if((ntmp->ntm_sysvn[i]) && 638 1.56.8.2 pooka (ntmp->ntm_sysvn[i]->v_usecount > 1)) return (EBUSY); 639 1.56.8.2 pooka 640 1.56.8.2 pooka /* Dereference all system vnodes */ 641 1.56.8.2 pooka for(i=0;i<NTFS_SYSNODESNUM;i++) 642 1.56.8.2 pooka if(ntmp->ntm_sysvn[i]) vrele(ntmp->ntm_sysvn[i]); 643 1.56.8.2 pooka 644 1.56.8.2 pooka /* vflush system vnodes */ 645 1.56.8.2 pooka error = vflush(mp,NULLVP,flags); 646 1.56.8.2 pooka if (error) { 647 1.56.8.2 pooka panic("ntfs_unmount: vflush failed(sysnodes): %d\n",error); 648 1.56.8.2 pooka } 649 1.56.8.2 pooka 650 1.56.8.2 pooka /* Check if the type of device node isn't VBAD before 651 1.56.8.2 pooka * touching v_specinfo. If the device vnode is revoked, the 652 1.56.8.2 pooka * field is NULL and touching it causes null pointer derefercence. 653 1.56.8.2 pooka */ 654 1.56.8.2 pooka if (ntmp->ntm_devvp->v_type != VBAD) 655 1.56.8.2 pooka ntmp->ntm_devvp->v_specmountpoint = NULL; 656 1.56.8.2 pooka 657 1.56.8.2 pooka vinvalbuf(ntmp->ntm_devvp, V_SAVE, NOCRED, l, 0, 0); 658 1.56.8.2 pooka 659 1.56.8.2 pooka /* lock the device vnode before calling VOP_CLOSE() */ 660 1.56.8.2 pooka vn_lock(ntmp->ntm_devvp, LK_EXCLUSIVE | LK_RETRY); 661 1.56.8.2 pooka error = VOP_CLOSE(ntmp->ntm_devvp, ronly ? FREAD : FREAD|FWRITE, 662 1.56.8.2 pooka NOCRED, l); 663 1.56.8.2 pooka KASSERT(error == 0); 664 1.56.8.2 pooka VOP_UNLOCK(ntmp->ntm_devvp, 0); 665 1.56.8.2 pooka 666 1.56.8.2 pooka vrele(ntmp->ntm_devvp); 667 1.56.8.2 pooka 668 1.56.8.2 pooka /* free the toupper table, if this has been last mounted ntfs volume */ 669 1.56.8.2 pooka ntfs_toupper_unuse(); 670 1.56.8.2 pooka 671 1.56.8.2 pooka dprintf(("ntfs_umount: freeing memory...\n")); 672 1.56.8.2 pooka mp->mnt_data = NULL; 673 1.56.8.2 pooka mp->mnt_flag &= ~MNT_LOCAL; 674 1.56.8.2 pooka free(ntmp->ntm_ad, M_NTFSMNT); 675 1.56.8.2 pooka FREE(ntmp, M_NTFSMNT); 676 1.56.8.2 pooka return (0); 677 1.56.8.2 pooka } 678 1.56.8.2 pooka 679 1.56.8.2 pooka static int 680 1.56.8.2 pooka ntfs_root( 681 1.56.8.2 pooka struct mount *mp, 682 1.56.8.2 pooka struct vnode **vpp) 683 1.56.8.2 pooka { 684 1.56.8.2 pooka struct vnode *nvp; 685 1.56.8.2 pooka int error = 0; 686 1.56.8.2 pooka 687 1.56.8.2 pooka dprintf(("ntfs_root(): sysvn: %p\n", 688 1.56.8.2 pooka VFSTONTFS(mp)->ntm_sysvn[NTFS_ROOTINO])); 689 1.56.8.2 pooka error = VFS_VGET(mp, (ino_t)NTFS_ROOTINO, &nvp); 690 1.56.8.2 pooka if(error) { 691 1.56.8.2 pooka printf("ntfs_root: VFS_VGET failed: %d\n",error); 692 1.56.8.2 pooka return (error); 693 1.56.8.2 pooka } 694 1.56.8.2 pooka 695 1.56.8.2 pooka *vpp = nvp; 696 1.56.8.2 pooka return (0); 697 1.56.8.2 pooka } 698 1.56.8.2 pooka 699 1.56.8.2 pooka /* 700 1.56.8.2 pooka * Do operations associated with quotas, not supported 701 1.56.8.2 pooka */ 702 1.56.8.2 pooka /* ARGSUSED */ 703 1.56.8.2 pooka static int 704 1.56.8.2 pooka ntfs_quotactl ( 705 1.56.8.2 pooka struct mount *mp, 706 1.56.8.2 pooka int cmds, 707 1.56.8.2 pooka uid_t uid, 708 1.56.8.2 pooka void *arg, 709 1.56.8.2 pooka struct lwp *l) 710 1.56.8.2 pooka { 711 1.56.8.2 pooka 712 1.56.8.2 pooka return EOPNOTSUPP; 713 1.56.8.2 pooka } 714 1.56.8.2 pooka 715 1.56.8.2 pooka int 716 1.56.8.2 pooka ntfs_calccfree( 717 1.56.8.2 pooka struct ntfsmount *ntmp, 718 1.56.8.2 pooka cn_t *cfreep) 719 1.56.8.2 pooka { 720 1.56.8.2 pooka struct vnode *vp; 721 1.56.8.2 pooka u_int8_t *tmp; 722 1.56.8.2 pooka int j, error; 723 1.56.8.2 pooka cn_t cfree = 0; 724 1.56.8.2 pooka size_t bmsize, i; 725 1.56.8.2 pooka 726 1.56.8.2 pooka vp = ntmp->ntm_sysvn[NTFS_BITMAPINO]; 727 1.56.8.2 pooka 728 1.56.8.2 pooka bmsize = VTOF(vp)->f_size; 729 1.56.8.2 pooka 730 1.56.8.2 pooka tmp = (u_int8_t *) malloc(bmsize, M_TEMP, M_WAITOK); 731 1.56.8.2 pooka 732 1.56.8.2 pooka error = ntfs_readattr(ntmp, VTONT(vp), NTFS_A_DATA, NULL, 733 1.56.8.2 pooka 0, bmsize, tmp, NULL); 734 1.56.8.2 pooka if (error) 735 1.56.8.2 pooka goto out; 736 1.56.8.2 pooka 737 1.56.8.2 pooka for(i=0;i<bmsize;i++) 738 1.56.8.2 pooka for(j=0;j<8;j++) 739 1.56.8.2 pooka if(~tmp[i] & (1 << j)) cfree++; 740 1.56.8.2 pooka *cfreep = cfree; 741 1.56.8.2 pooka 742 1.56.8.2 pooka out: 743 1.56.8.2 pooka free(tmp, M_TEMP); 744 1.56.8.2 pooka return(error); 745 1.56.8.2 pooka } 746 1.56.8.2 pooka 747 1.56.8.2 pooka static int 748 1.56.8.2 pooka ntfs_statvfs( 749 1.56.8.2 pooka struct mount *mp, 750 1.56.8.2 pooka struct statvfs *sbp, 751 1.56.8.2 pooka struct lwp *l) 752 1.56.8.2 pooka { 753 1.56.8.2 pooka struct ntfsmount *ntmp = VFSTONTFS(mp); 754 1.56.8.2 pooka u_int64_t mftallocated; 755 1.56.8.2 pooka 756 1.56.8.2 pooka dprintf(("ntfs_statvfs():\n")); 757 1.56.8.2 pooka 758 1.56.8.2 pooka mftallocated = VTOF(ntmp->ntm_sysvn[NTFS_MFTINO])->f_allocated; 759 1.56.8.2 pooka 760 1.56.8.2 pooka #if defined(__FreeBSD__) 761 1.56.8.2 pooka sbp->f_type = mp->mnt_vfc->vfc_typenum; 762 1.56.8.2 pooka #endif 763 1.56.8.2 pooka sbp->f_bsize = ntmp->ntm_bps; 764 1.56.8.2 pooka sbp->f_frsize = sbp->f_bsize; /* XXX */ 765 1.56.8.2 pooka sbp->f_iosize = ntmp->ntm_bps * ntmp->ntm_spc; 766 1.56.8.2 pooka sbp->f_blocks = ntmp->ntm_bootfile.bf_spv; 767 1.56.8.2 pooka sbp->f_bfree = sbp->f_bavail = ntfs_cntobn(ntmp->ntm_cfree); 768 1.56.8.2 pooka sbp->f_ffree = sbp->f_favail = sbp->f_bfree / ntmp->ntm_bpmftrec; 769 1.56.8.2 pooka sbp->f_files = mftallocated / ntfs_bntob(ntmp->ntm_bpmftrec) + 770 1.56.8.2 pooka sbp->f_ffree; 771 1.56.8.2 pooka sbp->f_fresvd = sbp->f_bresvd = 0; /* XXX */ 772 1.56.8.2 pooka sbp->f_flag = mp->mnt_flag; 773 1.56.8.2 pooka copy_statvfs_info(sbp, mp); 774 1.56.8.2 pooka return (0); 775 1.56.8.2 pooka } 776 1.56.8.2 pooka 777 1.56.8.2 pooka static int 778 1.56.8.2 pooka ntfs_sync ( 779 1.56.8.2 pooka struct mount *mp, 780 1.56.8.2 pooka int waitfor, 781 1.56.8.2 pooka kauth_cred_t cred, 782 1.56.8.2 pooka struct lwp *l) 783 1.56.8.2 pooka { 784 1.56.8.2 pooka /*dprintf(("ntfs_sync():\n"));*/ 785 1.56.8.2 pooka return (0); 786 1.56.8.2 pooka } 787 1.56.8.2 pooka 788 1.56.8.2 pooka /*ARGSUSED*/ 789 1.56.8.2 pooka static int 790 1.56.8.2 pooka ntfs_fhtovp( 791 1.56.8.2 pooka #if defined(__FreeBSD__) 792 1.56.8.2 pooka struct mount *mp, 793 1.56.8.2 pooka struct fid *fhp, 794 1.56.8.2 pooka struct sockaddr *nam, 795 1.56.8.2 pooka struct vnode **vpp, 796 1.56.8.2 pooka int *exflagsp, 797 1.56.8.2 pooka struct ucred **credanonp) 798 1.56.8.2 pooka #elif defined(__NetBSD__) 799 1.56.8.2 pooka struct mount *mp, 800 1.56.8.2 pooka struct fid *fhp, 801 1.56.8.2 pooka struct vnode **vpp) 802 1.56.8.2 pooka #else 803 1.56.8.2 pooka struct mount *mp, 804 1.56.8.2 pooka struct fid *fhp, 805 1.56.8.2 pooka struct mbuf *nam, 806 1.56.8.2 pooka struct vnode **vpp, 807 1.56.8.2 pooka int *exflagsp, 808 1.56.8.2 pooka struct ucred **credanonp) 809 1.56.8.2 pooka #endif 810 1.56.8.2 pooka { 811 1.56.8.2 pooka struct ntfid ntfh; 812 1.56.8.2 pooka int error; 813 1.56.8.2 pooka 814 1.56.8.2 pooka if (fhp->fid_len != sizeof(struct ntfid)) 815 1.56.8.2 pooka return EINVAL; 816 1.56.8.2 pooka memcpy(&ntfh, fhp, sizeof(ntfh)); 817 1.56.8.2 pooka ddprintf(("ntfs_fhtovp(): %s: %llu\n", mp->mnt_stat.f_mntonname, 818 1.56.8.2 pooka (unsigned long long)ntfh.ntfid_ino)); 819 1.56.8.2 pooka 820 1.56.8.2 pooka error = ntfs_vgetex(mp, ntfh.ntfid_ino, ntfh.ntfid_attr, NULL, 821 1.56.8.2 pooka LK_EXCLUSIVE | LK_RETRY, 0, vpp); 822 1.56.8.2 pooka if (error != 0) { 823 1.56.8.2 pooka *vpp = NULLVP; 824 1.56.8.2 pooka return (error); 825 1.56.8.2 pooka } 826 1.56.8.2 pooka 827 1.56.8.2 pooka /* XXX as unlink/rmdir/mkdir/creat are not currently possible 828 1.56.8.2 pooka * with NTFS, we don't need to check anything else for now */ 829 1.56.8.2 pooka return (0); 830 1.56.8.2 pooka } 831 1.56.8.2 pooka 832 1.56.8.2 pooka static int 833 1.56.8.2 pooka ntfs_vptofh( 834 1.56.8.2 pooka struct vnode *vp, 835 1.56.8.2 pooka struct fid *fhp, 836 1.56.8.2 pooka size_t *fh_size) 837 1.56.8.2 pooka { 838 1.56.8.2 pooka struct ntnode *ntp; 839 1.56.8.2 pooka struct ntfid ntfh; 840 1.56.8.2 pooka struct fnode *fn; 841 1.56.8.2 pooka 842 1.56.8.2 pooka if (*fh_size < sizeof(struct ntfid)) { 843 1.56.8.2 pooka *fh_size = sizeof(struct ntfid); 844 1.56.8.2 pooka return E2BIG; 845 1.56.8.2 pooka } 846 1.56.8.2 pooka *fh_size = sizeof(struct ntfid); 847 1.56.8.2 pooka 848 1.56.8.2 pooka ddprintf(("ntfs_fhtovp(): %s: %p\n", vp->v_mount->mnt_stat.f_mntonname, 849 1.56.8.2 pooka vp)); 850 1.56.8.2 pooka 851 1.56.8.2 pooka fn = VTOF(vp); 852 1.56.8.2 pooka ntp = VTONT(vp); 853 1.56.8.2 pooka memset(&ntfh, 0, sizeof(ntfh)); 854 1.56.8.2 pooka ntfh.ntfid_len = sizeof(struct ntfid); 855 1.56.8.2 pooka ntfh.ntfid_ino = ntp->i_number; 856 1.56.8.2 pooka ntfh.ntfid_attr = fn->f_attrtype; 857 1.56.8.2 pooka #ifdef notyet 858 1.56.8.2 pooka ntfh.ntfid_gen = ntp->i_gen; 859 1.56.8.2 pooka #endif 860 1.56.8.2 pooka memcpy(fhp, &ntfh, sizeof(ntfh)); 861 1.56.8.2 pooka return (0); 862 1.56.8.2 pooka } 863 1.56.8.2 pooka 864 1.56.8.2 pooka int 865 1.56.8.2 pooka ntfs_vgetex( 866 1.56.8.2 pooka struct mount *mp, 867 1.56.8.2 pooka ino_t ino, 868 1.56.8.2 pooka u_int32_t attrtype, 869 1.56.8.2 pooka char *attrname, 870 1.56.8.2 pooka u_long lkflags, 871 1.56.8.2 pooka u_long flags, 872 1.56.8.2 pooka struct vnode **vpp) 873 1.56.8.2 pooka { 874 1.56.8.2 pooka int error; 875 1.56.8.2 pooka struct ntfsmount *ntmp; 876 1.56.8.2 pooka struct ntnode *ip; 877 1.56.8.2 pooka struct fnode *fp; 878 1.56.8.2 pooka struct vnode *vp; 879 1.56.8.2 pooka enum vtype f_type = VBAD; 880 1.56.8.2 pooka 881 1.56.8.2 pooka dprintf(("ntfs_vgetex: ino: %llu, attr: 0x%x:%s, lkf: 0x%lx, f:" 882 1.56.8.2 pooka " 0x%lx\n", (unsigned long long)ino, attrtype, 883 1.56.8.2 pooka attrname ? attrname : "", (u_long)lkflags, (u_long)flags)); 884 1.56.8.2 pooka 885 1.56.8.2 pooka ntmp = VFSTONTFS(mp); 886 1.56.8.2 pooka *vpp = NULL; 887 1.56.8.2 pooka 888 1.56.8.2 pooka /* Get ntnode */ 889 1.56.8.2 pooka error = ntfs_ntlookup(ntmp, ino, &ip); 890 1.56.8.2 pooka if (error) { 891 1.56.8.2 pooka printf("ntfs_vget: ntfs_ntget failed\n"); 892 1.56.8.2 pooka return (error); 893 1.56.8.2 pooka } 894 1.56.8.2 pooka 895 1.56.8.2 pooka /* It may be not initialized fully, so force load it */ 896 1.56.8.2 pooka if (!(flags & VG_DONTLOADIN) && !(ip->i_flag & IN_LOADED)) { 897 1.56.8.2 pooka error = ntfs_loadntnode(ntmp, ip); 898 1.56.8.2 pooka if(error) { 899 1.56.8.2 pooka printf("ntfs_vget: CAN'T LOAD ATTRIBUTES FOR INO:" 900 1.56.8.2 pooka " %llu\n", (unsigned long long)ip->i_number); 901 1.56.8.2 pooka ntfs_ntput(ip); 902 1.56.8.2 pooka return (error); 903 1.56.8.2 pooka } 904 1.56.8.2 pooka } 905 1.56.8.2 pooka 906 1.56.8.2 pooka error = ntfs_fget(ntmp, ip, attrtype, attrname, &fp); 907 1.56.8.2 pooka if (error) { 908 1.56.8.2 pooka printf("ntfs_vget: ntfs_fget failed\n"); 909 1.56.8.2 pooka ntfs_ntput(ip); 910 1.56.8.2 pooka return (error); 911 1.56.8.2 pooka } 912 1.56.8.2 pooka 913 1.56.8.2 pooka if (!(flags & VG_DONTVALIDFN) && !(fp->f_flag & FN_VALID)) { 914 1.56.8.2 pooka if ((ip->i_frflag & NTFS_FRFLAG_DIR) && 915 1.56.8.2 pooka (fp->f_attrtype == NTFS_A_DATA && fp->f_attrname == NULL)) { 916 1.56.8.2 pooka f_type = VDIR; 917 1.56.8.2 pooka } else if (flags & VG_EXT) { 918 1.56.8.2 pooka f_type = VNON; 919 1.56.8.2 pooka fp->f_size = fp->f_allocated = 0; 920 1.56.8.2 pooka } else { 921 1.56.8.2 pooka f_type = VREG; 922 1.56.8.2 pooka 923 1.56.8.2 pooka error = ntfs_filesize(ntmp, fp, 924 1.56.8.2 pooka &fp->f_size, &fp->f_allocated); 925 1.56.8.2 pooka if (error) { 926 1.56.8.2 pooka ntfs_ntput(ip); 927 1.56.8.2 pooka return (error); 928 1.56.8.2 pooka } 929 1.56.8.2 pooka } 930 1.56.8.2 pooka 931 1.56.8.2 pooka fp->f_flag |= FN_VALID; 932 1.56.8.2 pooka } 933 1.56.8.2 pooka 934 1.56.8.2 pooka /* 935 1.56.8.2 pooka * We may be calling vget() now. To avoid potential deadlock, we need 936 1.56.8.2 pooka * to release ntnode lock, since due to locking order vnode 937 1.56.8.2 pooka * lock has to be acquired first. 938 1.56.8.2 pooka * ntfs_fget() bumped ntnode usecount, so ntnode won't be recycled 939 1.56.8.2 pooka * prematurely. 940 1.56.8.2 pooka */ 941 1.56.8.2 pooka ntfs_ntput(ip); 942 1.56.8.2 pooka 943 1.56.8.2 pooka if (FTOV(fp)) { 944 1.56.8.2 pooka /* vget() returns error if the vnode has been recycled */ 945 1.56.8.2 pooka if (vget(FTOV(fp), lkflags) == 0) { 946 1.56.8.2 pooka *vpp = FTOV(fp); 947 1.56.8.2 pooka return (0); 948 1.56.8.2 pooka } 949 1.56.8.2 pooka } 950 1.56.8.2 pooka 951 1.56.8.2 pooka error = getnewvnode(VT_NTFS, ntmp->ntm_mountp, ntfs_vnodeop_p, &vp); 952 1.56.8.2 pooka if(error) { 953 1.56.8.2 pooka ntfs_frele(fp); 954 1.56.8.2 pooka ntfs_ntput(ip); 955 1.56.8.2 pooka return (error); 956 1.56.8.2 pooka } 957 1.56.8.2 pooka dprintf(("ntfs_vget: vnode: %p for ntnode: %llu\n", vp, 958 1.56.8.2 pooka (unsigned long long)ino)); 959 1.56.8.2 pooka 960 1.56.8.2 pooka #ifdef __FreeBSD__ 961 1.56.8.2 pooka lockinit(&fp->f_lock, PINOD, "fnode", 0, 0); 962 1.56.8.2 pooka #endif 963 1.56.8.2 pooka fp->f_vp = vp; 964 1.56.8.2 pooka vp->v_data = fp; 965 1.56.8.2 pooka if (f_type != VBAD) 966 1.56.8.2 pooka vp->v_type = f_type; 967 1.56.8.2 pooka 968 1.56.8.2 pooka if (ino == NTFS_ROOTINO) 969 1.56.8.2 pooka vp->v_flag |= VROOT; 970 1.56.8.2 pooka 971 1.56.8.2 pooka if (lkflags & LK_TYPE_MASK) { 972 1.56.8.2 pooka error = vn_lock(vp, lkflags); 973 1.56.8.2 pooka if (error) { 974 1.56.8.2 pooka vput(vp); 975 1.56.8.2 pooka return (error); 976 1.56.8.2 pooka } 977 1.56.8.2 pooka } 978 1.56.8.2 pooka 979 1.56.8.2 pooka genfs_node_init(vp, &ntfs_genfsops); 980 1.56.8.2 pooka uvm_vnp_setsize(vp, 0); /* XXX notused */ 981 1.56.8.2 pooka VREF(ip->i_devvp); 982 1.56.8.2 pooka *vpp = vp; 983 1.56.8.2 pooka return (0); 984 1.56.8.2 pooka } 985 1.56.8.2 pooka 986 1.56.8.2 pooka static int 987 1.56.8.2 pooka ntfs_vget( 988 1.56.8.2 pooka struct mount *mp, 989 1.56.8.2 pooka ino_t ino, 990 1.56.8.2 pooka struct vnode **vpp) 991 1.56.8.2 pooka { 992 1.56.8.2 pooka return ntfs_vgetex(mp, ino, NTFS_A_DATA, NULL, 993 1.56.8.2 pooka LK_EXCLUSIVE | LK_RETRY, 0, vpp); 994 1.56.8.2 pooka } 995 1.56.8.2 pooka 996 1.56.8.2 pooka #if defined(__FreeBSD__) 997 1.56.8.2 pooka static struct vfsops ntfs_vfsops = { 998 1.56.8.2 pooka ntfs_mount, 999 1.56.8.2 pooka ntfs_start, 1000 1.56.8.2 pooka ntfs_unmount, 1001 1.56.8.2 pooka ntfs_root, 1002 1.56.8.2 pooka ntfs_quotactl, 1003 1.56.8.2 pooka ntfs_statvfs, 1004 1.56.8.2 pooka ntfs_sync, 1005 1.56.8.2 pooka ntfs_vget, 1006 1.56.8.2 pooka ntfs_fhtovp, 1007 1.56.8.2 pooka ntfs_vptofh, 1008 1.56.8.2 pooka ntfs_init, 1009 1.56.8.2 pooka NULL 1010 1.56.8.2 pooka }; 1011 1.56.8.2 pooka VFS_SET(ntfs_vfsops, ntfs, 0); 1012 1.56.8.2 pooka #elif defined(__NetBSD__) 1013 1.56.8.2 pooka extern const struct vnodeopv_desc ntfs_vnodeop_opv_desc; 1014 1.56.8.2 pooka 1015 1.56.8.2 pooka const struct vnodeopv_desc * const ntfs_vnodeopv_descs[] = { 1016 1.56.8.2 pooka &ntfs_vnodeop_opv_desc, 1017 1.56.8.2 pooka NULL, 1018 1.56.8.2 pooka }; 1019 1.56.8.2 pooka 1020 1.56.8.2 pooka struct vfsops ntfs_vfsops = { 1021 1.56.8.2 pooka MOUNT_NTFS, 1022 1.56.8.2 pooka #if !defined(__FreeBSD__) 1023 1.56.8.2 pooka sizeof (struct ntfs_args), 1024 1.56.8.2 pooka #endif 1025 1.56.8.2 pooka ntfs_mount, 1026 1.56.8.2 pooka ntfs_start, 1027 1.56.8.2 pooka ntfs_unmount, 1028 1.56.8.2 pooka ntfs_root, 1029 1.56.8.2 pooka ntfs_quotactl, 1030 1.56.8.2 pooka ntfs_statvfs, 1031 1.56.8.2 pooka ntfs_sync, 1032 1.56.8.2 pooka ntfs_vget, 1033 1.56.8.2 pooka ntfs_fhtovp, 1034 1.56.8.2 pooka ntfs_vptofh, 1035 1.56.8.2 pooka ntfs_init, 1036 1.56.8.2 pooka ntfs_reinit, 1037 1.56.8.2 pooka ntfs_done, 1038 1.56.8.2 pooka ntfs_mountroot, 1039 1.56.8.2 pooka (int (*)(struct mount *, struct vnode *, struct timespec *)) eopnotsupp, 1040 1.56.8.2 pooka vfs_stdextattrctl, 1041 1.56.8.2 pooka (void *)eopnotsupp, /* vfs_suspendctl */ 1042 1.56.8.2 pooka ntfs_vnodeopv_descs, 1043 1.56.8.2 pooka 0, 1044 1.56.8.2 pooka { NULL, NULL }, 1045 1.56.8.2 pooka }; 1046 1.56.8.2 pooka VFS_ATTACH(ntfs_vfsops); 1047 1.56.8.2 pooka #endif 1048
Indexes created Wed Oct 01 19:09:53 GMT 2025