rumpfs.c revision 1.16.2.2
1 1.16.2.2 yamt /* $NetBSD: rumpfs.c,v 1.16.2.2 2009/05/04 08:14:31 yamt Exp $ */ 2 1.16.2.2 yamt 3 1.16.2.2 yamt /* 4 1.16.2.2 yamt * Copyright (c) 2007 Antti Kantee. All Rights Reserved. 5 1.16.2.2 yamt * 6 1.16.2.2 yamt * Development of this software was supported by Google Summer of Code. 7 1.16.2.2 yamt * 8 1.16.2.2 yamt * Redistribution and use in source and binary forms, with or without 9 1.16.2.2 yamt * modification, are permitted provided that the following conditions 10 1.16.2.2 yamt * are met: 11 1.16.2.2 yamt * 1. Redistributions of source code must retain the above copyright 12 1.16.2.2 yamt * notice, this list of conditions and the following disclaimer. 13 1.16.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 14 1.16.2.2 yamt * notice, this list of conditions and the following disclaimer in the 15 1.16.2.2 yamt * documentation and/or other materials provided with the distribution. 16 1.16.2.2 yamt * 17 1.16.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 18 1.16.2.2 yamt * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 1.16.2.2 yamt * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 1.16.2.2 yamt * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 1.16.2.2 yamt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 1.16.2.2 yamt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23 1.16.2.2 yamt * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 1.16.2.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 1.16.2.2 yamt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 1.16.2.2 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 1.16.2.2 yamt * SUCH DAMAGE. 28 1.16.2.2 yamt */ 29 1.16.2.2 yamt 30 1.16.2.2 yamt #include <sys/cdefs.h> 31 1.16.2.2 yamt __KERNEL_RCSID(0, "$NetBSD: rumpfs.c,v 1.16.2.2 2009/05/04 08:14:31 yamt Exp $"); 32 1.16.2.2 yamt 33 1.16.2.2 yamt #include <sys/param.h> 34 1.16.2.2 yamt #include <sys/mount.h> 35 1.16.2.2 yamt #include <sys/vnode.h> 36 1.16.2.2 yamt #include <sys/errno.h> 37 1.16.2.2 yamt #include <sys/kauth.h> 38 1.16.2.2 yamt #include <sys/lock.h> 39 1.16.2.2 yamt #include <sys/lockf.h> 40 1.16.2.2 yamt #include <sys/stat.h> 41 1.16.2.2 yamt #include <sys/namei.h> 42 1.16.2.2 yamt #include <sys/queue.h> 43 1.16.2.2 yamt #include <sys/filedesc.h> 44 1.16.2.2 yamt #include <sys/syscallargs.h> 45 1.16.2.2 yamt #include <sys/atomic.h> 46 1.16.2.2 yamt 47 1.16.2.2 yamt #include <miscfs/fifofs/fifo.h> 48 1.16.2.2 yamt #include <miscfs/specfs/specdev.h> 49 1.16.2.2 yamt #include <miscfs/genfs/genfs.h> 50 1.16.2.2 yamt 51 1.16.2.2 yamt #include <rump/rumpuser.h> 52 1.16.2.2 yamt 53 1.16.2.2 yamt #include "rump_private.h" 54 1.16.2.2 yamt #include "rump_vfs_private.h" 55 1.16.2.2 yamt 56 1.16.2.2 yamt static int rump_vop_lookup(void *); 57 1.16.2.2 yamt static int rump_vop_getattr(void *); 58 1.16.2.2 yamt static int rump_vop_mkdir(void *); 59 1.16.2.2 yamt static int rump_vop_inactive(void *); 60 1.16.2.2 yamt static int rump_vop_reclaim(void *); 61 1.16.2.2 yamt static int rump_vop_success(void *); 62 1.16.2.2 yamt 63 1.16.2.2 yamt int (**dead_vnodeop_p)(void *); 64 1.16.2.2 yamt const struct vnodeopv_entry_desc dead_vnodeop_entries[] = { 65 1.16.2.2 yamt { &vop_default_desc, vn_default_error }, 66 1.16.2.2 yamt { NULL, NULL } 67 1.16.2.2 yamt }; 68 1.16.2.2 yamt const struct vnodeopv_desc dead_vnodeop_opv_desc = 69 1.16.2.2 yamt { &dead_vnodeop_p, dead_vnodeop_entries }; 70 1.16.2.2 yamt 71 1.16.2.2 yamt int (**fifo_vnodeop_p)(void *); 72 1.16.2.2 yamt const struct vnodeopv_entry_desc fifo_vnodeop_entries[] = { 73 1.16.2.2 yamt { &vop_default_desc, vn_default_error }, 74 1.16.2.2 yamt { NULL, NULL } 75 1.16.2.2 yamt }; 76 1.16.2.2 yamt const struct vnodeopv_desc fifo_vnodeop_opv_desc = 77 1.16.2.2 yamt { &fifo_vnodeop_p, fifo_vnodeop_entries }; 78 1.16.2.2 yamt 79 1.16.2.2 yamt int (**rump_vnodeop_p)(void *); 80 1.16.2.2 yamt const struct vnodeopv_entry_desc rump_vnodeop_entries[] = { 81 1.16.2.2 yamt { &vop_default_desc, vn_default_error }, 82 1.16.2.2 yamt { &vop_lookup_desc, rump_vop_lookup }, 83 1.16.2.2 yamt { &vop_getattr_desc, rump_vop_getattr }, 84 1.16.2.2 yamt { &vop_mkdir_desc, rump_vop_mkdir }, 85 1.16.2.2 yamt { &vop_putpages_desc, genfs_null_putpages }, 86 1.16.2.2 yamt { &vop_fsync_desc, rump_vop_success }, 87 1.16.2.2 yamt { &vop_lock_desc, genfs_lock }, 88 1.16.2.2 yamt { &vop_unlock_desc, genfs_unlock }, 89 1.16.2.2 yamt { &vop_inactive_desc, rump_vop_inactive }, 90 1.16.2.2 yamt { &vop_reclaim_desc, rump_vop_reclaim }, 91 1.16.2.2 yamt { NULL, NULL } 92 1.16.2.2 yamt }; 93 1.16.2.2 yamt const struct vnodeopv_desc rump_vnodeop_opv_desc = 94 1.16.2.2 yamt { &rump_vnodeop_p, rump_vnodeop_entries }; 95 1.16.2.2 yamt const struct vnodeopv_desc * const rump_opv_descs[] = { 96 1.16.2.2 yamt &rump_vnodeop_opv_desc, 97 1.16.2.2 yamt NULL 98 1.16.2.2 yamt }; 99 1.16.2.2 yamt 100 1.16.2.2 yamt static struct mount rump_mnt; 101 1.16.2.2 yamt static int lastino = 1; 102 1.16.2.2 yamt static kmutex_t reclock; 103 1.16.2.2 yamt 104 1.16.2.2 yamt struct rumpfs_dent { 105 1.16.2.2 yamt char *rd_name; 106 1.16.2.2 yamt struct rumpfs_node *rd_node; 107 1.16.2.2 yamt 108 1.16.2.2 yamt LIST_ENTRY(rumpfs_dent) rd_entries; 109 1.16.2.2 yamt }; 110 1.16.2.2 yamt 111 1.16.2.2 yamt struct rumpfs_node { 112 1.16.2.2 yamt struct vattr rn_va; 113 1.16.2.2 yamt struct vnode *rn_vp; 114 1.16.2.2 yamt 115 1.16.2.2 yamt /* only for VDIR */ 116 1.16.2.2 yamt LIST_HEAD(, rumpfs_dent) rn_dir; 117 1.16.2.2 yamt }; 118 1.16.2.2 yamt 119 1.16.2.2 yamt static struct rumpfs_node * 120 1.16.2.2 yamt makeprivate(enum vtype vt) 121 1.16.2.2 yamt { 122 1.16.2.2 yamt struct rumpfs_node *rn; 123 1.16.2.2 yamt struct vattr *va; 124 1.16.2.2 yamt struct timespec ts; 125 1.16.2.2 yamt 126 1.16.2.2 yamt rn = kmem_alloc(sizeof(*rn), KM_SLEEP); 127 1.16.2.2 yamt LIST_INIT(&rn->rn_dir); 128 1.16.2.2 yamt nanotime(&ts); 129 1.16.2.2 yamt 130 1.16.2.2 yamt va = &rn->rn_va; 131 1.16.2.2 yamt va->va_type = vt; 132 1.16.2.2 yamt va->va_mode = 0755; 133 1.16.2.2 yamt if (vt == VDIR) 134 1.16.2.2 yamt va->va_nlink = 2; 135 1.16.2.2 yamt else 136 1.16.2.2 yamt va->va_nlink = 1; 137 1.16.2.2 yamt va->va_uid = 0; 138 1.16.2.2 yamt va->va_gid = 0; 139 1.16.2.2 yamt va->va_fsid = 140 1.16.2.2 yamt va->va_fileid = atomic_inc_uint_nv(&lastino); 141 1.16.2.2 yamt va->va_size = 512; 142 1.16.2.2 yamt va->va_blocksize = 512; 143 1.16.2.2 yamt va->va_atime = ts; 144 1.16.2.2 yamt va->va_mtime = ts; 145 1.16.2.2 yamt va->va_ctime = ts; 146 1.16.2.2 yamt va->va_birthtime = ts; 147 1.16.2.2 yamt va->va_gen = 0; 148 1.16.2.2 yamt va->va_flags = 0; 149 1.16.2.2 yamt va->va_rdev = -1; 150 1.16.2.2 yamt va->va_bytes = 512; 151 1.16.2.2 yamt va->va_filerev = 0; 152 1.16.2.2 yamt va->va_vaflags = 0; 153 1.16.2.2 yamt 154 1.16.2.2 yamt return rn; 155 1.16.2.2 yamt } 156 1.16.2.2 yamt 157 1.16.2.2 yamt static int 158 1.16.2.2 yamt rump_makevnode(const char *path, size_t size, enum vtype vt, struct vnode **vpp) 159 1.16.2.2 yamt { 160 1.16.2.2 yamt struct vnode *vp; 161 1.16.2.2 yamt struct rumpfs_node *rn; 162 1.16.2.2 yamt int (**vpops)(void *); 163 1.16.2.2 yamt int rv; 164 1.16.2.2 yamt 165 1.16.2.2 yamt if (vt == VREG || vt == VCHR) { 166 1.16.2.2 yamt vt = VBLK; 167 1.16.2.2 yamt vpops = spec_vnodeop_p; 168 1.16.2.2 yamt } else { 169 1.16.2.2 yamt vpops = rump_vnodeop_p; 170 1.16.2.2 yamt } 171 1.16.2.2 yamt if (vt != VBLK && vt != VDIR) 172 1.16.2.2 yamt panic("rump_makevnode: only VBLK/VDIR vnodes supported"); 173 1.16.2.2 yamt 174 1.16.2.2 yamt rv = getnewvnode(VT_RUMP, &rump_mnt, vpops, &vp); 175 1.16.2.2 yamt if (rv) 176 1.16.2.2 yamt return rv; 177 1.16.2.2 yamt 178 1.16.2.2 yamt vp->v_size = vp->v_writesize = size; 179 1.16.2.2 yamt vp->v_type = vt; 180 1.16.2.2 yamt 181 1.16.2.2 yamt if (vp->v_type == VBLK) { 182 1.16.2.2 yamt rv = rumpblk_register(path); 183 1.16.2.2 yamt if (rv == -1) 184 1.16.2.2 yamt panic("rump_makevnode: lazy bum"); 185 1.16.2.2 yamt spec_node_init(vp, makedev(RUMPBLK, rv)); 186 1.16.2.2 yamt } 187 1.16.2.2 yamt if (vt != VBLK) { 188 1.16.2.2 yamt rn = makeprivate(vp->v_type); 189 1.16.2.2 yamt rn->rn_vp = vp; 190 1.16.2.2 yamt vp->v_data = rn; 191 1.16.2.2 yamt } 192 1.16.2.2 yamt 193 1.16.2.2 yamt vn_lock(vp, LK_RETRY | LK_EXCLUSIVE); 194 1.16.2.2 yamt *vpp = vp; 195 1.16.2.2 yamt 196 1.16.2.2 yamt return 0; 197 1.16.2.2 yamt } 198 1.16.2.2 yamt 199 1.16.2.2 yamt /* 200 1.16.2.2 yamt * Simple lookup for faking lookup of device entry for rump file systems 201 1.16.2.2 yamt * and for locating/creating directories. Yes, this will panic if you 202 1.16.2.2 yamt * call it with the wrong arguments. 203 1.16.2.2 yamt */ 204 1.16.2.2 yamt static int 205 1.16.2.2 yamt rump_vop_lookup(void *v) 206 1.16.2.2 yamt { 207 1.16.2.2 yamt struct vop_lookup_args /* { 208 1.16.2.2 yamt struct vnode *a_dvp; 209 1.16.2.2 yamt struct vnode **a_vpp; 210 1.16.2.2 yamt struct componentname *a_cnp; 211 1.16.2.2 yamt }; */ *ap = v; 212 1.16.2.2 yamt struct componentname *cnp = ap->a_cnp; 213 1.16.2.2 yamt struct vnode *dvp = ap->a_dvp; 214 1.16.2.2 yamt struct vnode **vpp = ap->a_vpp; 215 1.16.2.2 yamt struct vnode *vp; 216 1.16.2.2 yamt struct rumpfs_node *rn = dvp->v_data; 217 1.16.2.2 yamt struct rumpfs_dent *rd; 218 1.16.2.2 yamt uint64_t fsize; 219 1.16.2.2 yamt enum vtype vt; 220 1.16.2.2 yamt int rv, error, ft; 221 1.16.2.2 yamt 222 1.16.2.2 yamt /* we handle only some "non-special" cases */ 223 1.16.2.2 yamt KASSERT(((cnp->cn_flags & ISLASTCN) == 0) 224 1.16.2.2 yamt || (cnp->cn_nameiop == LOOKUP || cnp->cn_nameiop == CREATE)); 225 1.16.2.2 yamt KASSERT((cnp->cn_flags & ISDOTDOT) == 0); 226 1.16.2.2 yamt KASSERT(cnp->cn_namelen != 0 && cnp->cn_pnbuf[0] != '.'); 227 1.16.2.2 yamt 228 1.16.2.2 yamt /* check if we are returning a faked block device */ 229 1.16.2.2 yamt if (dvp == rootvnode && cnp->cn_nameiop == LOOKUP) { 230 1.16.2.2 yamt if (rump_fakeblk_find(cnp->cn_pnbuf)) { 231 1.16.2.2 yamt rv = rumpuser_getfileinfo(cnp->cn_pnbuf, &fsize, 232 1.16.2.2 yamt &ft, &error); 233 1.16.2.2 yamt if (rv) 234 1.16.2.2 yamt return rv; 235 1.16.2.2 yamt switch (ft) { 236 1.16.2.2 yamt case RUMPUSER_FT_DIR: 237 1.16.2.2 yamt vt = VDIR; 238 1.16.2.2 yamt break; 239 1.16.2.2 yamt case RUMPUSER_FT_REG: 240 1.16.2.2 yamt vt = VREG; 241 1.16.2.2 yamt break; 242 1.16.2.2 yamt case RUMPUSER_FT_BLK: 243 1.16.2.2 yamt vt = VBLK; 244 1.16.2.2 yamt break; 245 1.16.2.2 yamt case RUMPUSER_FT_CHR: 246 1.16.2.2 yamt vt = VCHR; 247 1.16.2.2 yamt break; 248 1.16.2.2 yamt default: 249 1.16.2.2 yamt vt = VBAD; 250 1.16.2.2 yamt break; 251 1.16.2.2 yamt } 252 1.16.2.2 yamt error = rump_makevnode(cnp->cn_pnbuf, fsize, vt, vpp); 253 1.16.2.2 yamt if (error) 254 1.16.2.2 yamt return error; 255 1.16.2.2 yamt cnp->cn_consume = strlen(cnp->cn_nameptr 256 1.16.2.2 yamt + cnp->cn_namelen); 257 1.16.2.2 yamt cnp->cn_flags &= ~REQUIREDIR; 258 1.16.2.2 yamt 259 1.16.2.2 yamt return 0; 260 1.16.2.2 yamt } 261 1.16.2.2 yamt } 262 1.16.2.2 yamt 263 1.16.2.2 yamt LIST_FOREACH(rd, &rn->rn_dir, rd_entries) { 264 1.16.2.2 yamt if (strncmp(rd->rd_name, cnp->cn_nameptr, 265 1.16.2.2 yamt cnp->cn_namelen) == 0) 266 1.16.2.2 yamt break; 267 1.16.2.2 yamt } 268 1.16.2.2 yamt 269 1.16.2.2 yamt if (!rd && ((cnp->cn_flags & ISLASTCN) == 0||cnp->cn_nameiop != CREATE)) 270 1.16.2.2 yamt return ENOENT; 271 1.16.2.2 yamt 272 1.16.2.2 yamt if (!rd && (cnp->cn_flags & ISLASTCN) && cnp->cn_nameiop == CREATE) { 273 1.16.2.2 yamt cnp->cn_flags |= SAVENAME; 274 1.16.2.2 yamt return EJUSTRETURN; 275 1.16.2.2 yamt } 276 1.16.2.2 yamt KASSERT(rd); 277 1.16.2.2 yamt KASSERT(rd->rd_node->rn_va.va_type == VDIR); 278 1.16.2.2 yamt 279 1.16.2.2 yamt retry: 280 1.16.2.2 yamt mutex_enter(&reclock); 281 1.16.2.2 yamt if ((vp = rd->rd_node->rn_vp)) { 282 1.16.2.2 yamt mutex_enter(&vp->v_interlock); 283 1.16.2.2 yamt mutex_exit(&reclock); 284 1.16.2.2 yamt if (vget(vp, LK_EXCLUSIVE | LK_INTERLOCK)) 285 1.16.2.2 yamt goto retry; 286 1.16.2.2 yamt *vpp = vp; 287 1.16.2.2 yamt } else { 288 1.16.2.2 yamt rv = rump_makevnode(cnp->cn_nameptr, DEV_BSIZE, VDIR, vpp); 289 1.16.2.2 yamt if (rv) 290 1.16.2.2 yamt return rv; 291 1.16.2.2 yamt } 292 1.16.2.2 yamt 293 1.16.2.2 yamt return 0; 294 1.16.2.2 yamt } 295 1.16.2.2 yamt 296 1.16.2.2 yamt static int 297 1.16.2.2 yamt rump_vop_getattr(void *v) 298 1.16.2.2 yamt { 299 1.16.2.2 yamt struct vop_getattr_args /* { 300 1.16.2.2 yamt struct vnode *a_vp; 301 1.16.2.2 yamt struct vattr *a_vap; 302 1.16.2.2 yamt kauth_cred_t a_cred; 303 1.16.2.2 yamt } */ *ap = v; 304 1.16.2.2 yamt struct rumpfs_node *rn = ap->a_vp->v_data; 305 1.16.2.2 yamt 306 1.16.2.2 yamt memcpy(ap->a_vap, &rn->rn_va, sizeof(struct vattr)); 307 1.16.2.2 yamt return 0; 308 1.16.2.2 yamt } 309 1.16.2.2 yamt 310 1.16.2.2 yamt static int 311 1.16.2.2 yamt rump_vop_mkdir(void *v) 312 1.16.2.2 yamt { 313 1.16.2.2 yamt struct vop_mkdir_args /* { 314 1.16.2.2 yamt struct vnode *a_dvp; 315 1.16.2.2 yamt struct vnode **a_vpp; 316 1.16.2.2 yamt struct componentname *a_cnp; 317 1.16.2.2 yamt struct vattr *a_vap; 318 1.16.2.2 yamt }; */ *ap = v; 319 1.16.2.2 yamt struct vnode *dvp = ap->a_dvp; 320 1.16.2.2 yamt struct vnode **vpp = ap->a_vpp; 321 1.16.2.2 yamt struct componentname *cnp = ap->a_cnp; 322 1.16.2.2 yamt struct rumpfs_node *rnd = dvp->v_data; 323 1.16.2.2 yamt struct rumpfs_dent *rdent; 324 1.16.2.2 yamt int rv = 0; 325 1.16.2.2 yamt 326 1.16.2.2 yamt if ((rv = rump_makevnode(cnp->cn_nameptr, DEV_BSIZE, VDIR, vpp)) != 0) 327 1.16.2.2 yamt goto out; 328 1.16.2.2 yamt 329 1.16.2.2 yamt rdent = kmem_alloc(sizeof(*rdent), KM_SLEEP); 330 1.16.2.2 yamt rdent->rd_name = kmem_alloc(cnp->cn_namelen+1, KM_SLEEP); 331 1.16.2.2 yamt rdent->rd_node = (*vpp)->v_data; 332 1.16.2.2 yamt strlcpy(rdent->rd_name, cnp->cn_nameptr, cnp->cn_namelen+1); 333 1.16.2.2 yamt 334 1.16.2.2 yamt LIST_INSERT_HEAD(&rnd->rn_dir, rdent, rd_entries); 335 1.16.2.2 yamt 336 1.16.2.2 yamt out: 337 1.16.2.2 yamt vput(dvp); 338 1.16.2.2 yamt return rv; 339 1.16.2.2 yamt } 340 1.16.2.2 yamt 341 1.16.2.2 yamt static int 342 1.16.2.2 yamt rump_vop_success(void *v) 343 1.16.2.2 yamt { 344 1.16.2.2 yamt 345 1.16.2.2 yamt return 0; 346 1.16.2.2 yamt } 347 1.16.2.2 yamt 348 1.16.2.2 yamt static int 349 1.16.2.2 yamt rump_vop_inactive(void *v) 350 1.16.2.2 yamt { 351 1.16.2.2 yamt struct vop_inactive_args *ap = v; 352 1.16.2.2 yamt 353 1.16.2.2 yamt VOP_UNLOCK(ap->a_vp, 0); 354 1.16.2.2 yamt return 0; 355 1.16.2.2 yamt } 356 1.16.2.2 yamt 357 1.16.2.2 yamt static int 358 1.16.2.2 yamt rump_vop_reclaim(void *v) 359 1.16.2.2 yamt { 360 1.16.2.2 yamt struct vop_reclaim_args /* { 361 1.16.2.2 yamt struct vnode *a_vp; 362 1.16.2.2 yamt } */ *ap = v; 363 1.16.2.2 yamt struct vnode *vp = ap->a_vp; 364 1.16.2.2 yamt struct rumpfs_node *rn = vp->v_data; 365 1.16.2.2 yamt 366 1.16.2.2 yamt mutex_enter(&reclock); 367 1.16.2.2 yamt rn->rn_vp = NULL; 368 1.16.2.2 yamt mutex_exit(&reclock); 369 1.16.2.2 yamt vp->v_data = NULL; 370 1.16.2.2 yamt 371 1.16.2.2 yamt return 0; 372 1.16.2.2 yamt } 373 1.16.2.2 yamt 374 1.16.2.2 yamt void 375 1.16.2.2 yamt rumpfs_init(void) 376 1.16.2.2 yamt { 377 1.16.2.2 yamt int rv; 378 1.16.2.2 yamt 379 1.16.2.2 yamt mutex_init(&reclock, MUTEX_DEFAULT, IPL_NONE); 380 1.16.2.2 yamt 381 1.16.2.2 yamt /* XXX: init properly instead of this crap */ 382 1.16.2.2 yamt rump_mnt.mnt_refcnt = 1; 383 1.16.2.2 yamt rump_mnt.mnt_flag = MNT_ROOTFS; 384 1.16.2.2 yamt rw_init(&rump_mnt.mnt_unmounting); 385 1.16.2.2 yamt TAILQ_INIT(&rump_mnt.mnt_vnodelist); 386 1.16.2.2 yamt 387 1.16.2.2 yamt vfs_opv_init(rump_opv_descs); 388 1.16.2.2 yamt rv = rump_makevnode("/", 0, VDIR, &rootvnode); 389 1.16.2.2 yamt if (rv) 390 1.16.2.2 yamt panic("could not create root vnode: %d", rv); 391 1.16.2.2 yamt rootvnode->v_vflag |= VV_ROOT; 392 1.16.2.2 yamt VOP_UNLOCK(rootvnode, 0); 393 1.16.2.2 yamt } 394
Indexes created Sun Oct 19 19:09:49 GMT 2025