puffs.h revision 1.42
1 /* $NetBSD: puffs.h,v 1.42 2007/04/12 15:09:01 pooka Exp $ */ 2 3 /* 4 * Copyright (c) 2005, 2006 Antti Kantee. All Rights Reserved. 5 * 6 * Development of this software was supported by the 7 * Google Summer of Code program and the Ulla Tuominen Foundation. 8 * The Google SoC project was mentored by Bill Studenmund. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. The name of the company nor the name of the author may be used to 19 * endorse or promote products derived from this software without specific 20 * prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 23 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef _PUFFS_H_ 36 #define _PUFFS_H_ 37 38 #include <sys/param.h> 39 #include <sys/types.h> 40 #include <sys/mount.h> 41 #include <sys/stat.h> 42 #include <sys/statvfs.h> 43 #include <sys/vnode.h> 44 45 #include <fs/puffs/puffs_msgif.h> 46 47 #include <mntopts.h> 48 #include <string.h> 49 50 /* forwards */ 51 struct puffs_cc; 52 53 struct puffs_getreq; 54 struct puffs_putreq; 55 56 /* paths */ 57 struct puffs_pathobj { 58 void *po_path; 59 size_t po_len; 60 }; 61 62 /* for prefix rename */ 63 struct puffs_pathinfo { 64 struct puffs_pathobj *pi_old; 65 struct puffs_pathobj *pi_new; 66 }; 67 68 /* describes one segment cached in the kernel */ 69 struct puffs_kcache { 70 off_t pkc_start; 71 off_t pkc_end; 72 73 LIST_ENTRY(puffs_kcache) pkc_entries; 74 }; 75 76 /* XXX: might disappear from here into a private header */ 77 struct puffs_node { 78 off_t pn_size; 79 int pn_flag; 80 struct vattr pn_va; 81 82 void *pn_data; /* private data */ 83 84 struct puffs_pathobj pn_po; /* PUFFS_FLAG_BUILDPATH */ 85 86 struct puffs_usermount *pn_mnt; 87 LIST_ENTRY(puffs_node) pn_entries; 88 89 LIST_HEAD(,puffs_kcache)pn_cacheinfo; /* PUFFS_KFLAG_CACHE */ 90 }; 91 92 93 struct puffs_usermount; 94 95 /* 96 * megaXXX: these are values from inside _KERNEL 97 * need to work on the translation for ALL the necessary values. 98 */ 99 #define PUFFS_VNOVAL (-1) 100 #define PUFFS_IO_APPEND 0x20 101 #define PUFFS_VEXEC 01 102 #define PUFFS_VWRITE 02 103 #define PUFFS_VREAD 04 104 105 #define PUFFS_FSYNC_DATAONLY 0x0002 106 #define PUFFS_FSYNC_CACHE 0x0100 107 108 /* 109 * Magic constants 110 */ 111 #define PUFFS_CC_STACKSIZE_DEFAULT (1024*1024) 112 113 struct puffs_cn { 114 struct puffs_kcn *pcn_pkcnp; /* kernel input */ 115 struct puffs_pathobj pcn_po_full; /* PUFFS_FLAG_BUILDPATH */ 116 }; 117 #define pcn_nameiop pcn_pkcnp->pkcn_nameiop 118 #define pcn_flags pcn_pkcnp->pkcn_flags 119 #define pcn_pid pcn_pkcnp->pkcn_pid 120 #define pcn_cred pcn_pkcnp->pkcn_cred 121 #define pcn_name pcn_pkcnp->pkcn_name 122 #define pcn_namelen pcn_pkcnp->pkcn_namelen 123 124 /* 125 * Puffs options to mount 126 */ 127 /* kernel */ 128 #define PUFFSMOPT_CACHE { "cache", 1, PUFFS_KFLAG_NOCACHE, 1 } 129 #define PUFFSMOPT_ALLOPS { "allops", 0, PUFFS_KFLAG_ALLOPS, 1 } 130 131 /* libpuffs */ 132 #define PUFFSMOPT_DUMP { "dump", 0, PUFFS_FLAG_OPDUMP, 1 } 133 134 #define PUFFSMOPT_STD \ 135 PUFFSMOPT_CACHE, \ 136 PUFFSMOPT_ALLOPS, \ 137 PUFFSMOPT_DUMP 138 139 extern const struct mntopt puffsmopts[]; /* puffs.c */ 140 141 /* callbacks for operations */ 142 struct puffs_ops { 143 int (*puffs_fs_unmount)(struct puffs_cc *, int, pid_t); 144 int (*puffs_fs_statvfs)(struct puffs_cc *, 145 struct statvfs *, pid_t); 146 int (*puffs_fs_sync)(struct puffs_cc *, int, 147 const struct puffs_cred *, pid_t); 148 int (*puffs_fs_fhtonode)(struct puffs_cc *, void *, size_t, 149 void **, enum vtype *, voff_t *, dev_t *); 150 int (*puffs_fs_nodetofh)(struct puffs_cc *, void *cookie, 151 void *, size_t *); 152 void (*puffs_fs_suspend)(struct puffs_cc *, int); 153 154 int (*puffs_node_lookup)(struct puffs_cc *, 155 void *, void **, enum vtype *, voff_t *, dev_t *, 156 const struct puffs_cn *); 157 int (*puffs_node_create)(struct puffs_cc *, 158 void *, void **, const struct puffs_cn *, const struct vattr *); 159 int (*puffs_node_mknod)(struct puffs_cc *, 160 void *, void **, const struct puffs_cn *, const struct vattr *); 161 int (*puffs_node_open)(struct puffs_cc *, 162 void *, int, const struct puffs_cred *, pid_t); 163 int (*puffs_node_close)(struct puffs_cc *, 164 void *, int, const struct puffs_cred *, pid_t); 165 int (*puffs_node_access)(struct puffs_cc *, 166 void *, int, const struct puffs_cred *, pid_t); 167 int (*puffs_node_getattr)(struct puffs_cc *, 168 void *, struct vattr *, const struct puffs_cred *, pid_t); 169 int (*puffs_node_setattr)(struct puffs_cc *, 170 void *, const struct vattr *, const struct puffs_cred *, pid_t); 171 int (*puffs_node_poll)(struct puffs_cc *, 172 void *, struct puffs_vnreq_poll *); 173 int (*puffs_node_mmap)(struct puffs_cc *, 174 void *, int, const struct puffs_cred *, pid_t); 175 int (*puffs_node_fsync)(struct puffs_cc *, 176 void *, const struct puffs_cred *, int, off_t, off_t, pid_t); 177 int (*puffs_node_seek)(struct puffs_cc *, 178 void *, off_t, off_t, const struct puffs_cred *); 179 int (*puffs_node_remove)(struct puffs_cc *, 180 void *, void *, const struct puffs_cn *); 181 int (*puffs_node_link)(struct puffs_cc *, 182 void *, void *, const struct puffs_cn *); 183 int (*puffs_node_rename)(struct puffs_cc *, 184 void *, void *, const struct puffs_cn *, void *, void *, 185 const struct puffs_cn *); 186 int (*puffs_node_mkdir)(struct puffs_cc *, 187 void *, void **, const struct puffs_cn *, const struct vattr *); 188 int (*puffs_node_rmdir)(struct puffs_cc *, 189 void *, void *, const struct puffs_cn *); 190 int (*puffs_node_symlink)(struct puffs_cc *, 191 void *, void **, const struct puffs_cn *, const struct vattr *, 192 const char *); 193 int (*puffs_node_readdir)(struct puffs_cc *, 194 void *, struct dirent *, off_t *, size_t *, 195 const struct puffs_cred *, int *, off_t *, size_t *); 196 int (*puffs_node_readlink)(struct puffs_cc *, 197 void *, const struct puffs_cred *, char *, size_t *); 198 int (*puffs_node_reclaim)(struct puffs_cc *, 199 void *, pid_t); 200 int (*puffs_node_inactive)(struct puffs_cc *, 201 void *, pid_t, int *); 202 int (*puffs_node_print)(struct puffs_cc *, 203 void *); 204 int (*puffs_node_pathconf)(struct puffs_cc *, 205 void *, int, int *); 206 int (*puffs_node_advlock)(struct puffs_cc *, 207 void *, void *, int, struct flock *, int); 208 int (*puffs_node_getextattr)(struct puffs_cc *, 209 void *, struct puffs_vnreq_getextattr *); 210 int (*puffs_node_setextattr)(struct puffs_cc *, 211 void *, struct puffs_vnreq_setextattr *); 212 int (*puffs_node_listextattr)(struct puffs_cc *, 213 void *, struct puffs_vnreq_listextattr *); 214 int (*puffs_node_read)(struct puffs_cc *, void *, 215 uint8_t *, off_t, size_t *, const struct puffs_cred *, int); 216 int (*puffs_node_write)(struct puffs_cc *, void *, 217 uint8_t *, off_t, size_t *, const struct puffs_cred *, int); 218 219 int (*puffs_cache_write)(struct puffs_usermount *, 220 void *, size_t, struct puffs_cacherun *); 221 }; 222 223 typedef int (*pu_pathbuild_fn)(struct puffs_usermount *, 224 const struct puffs_pathobj *, 225 const struct puffs_pathobj *, size_t, 226 struct puffs_pathobj *); 227 typedef int (*pu_pathtransform_fn)(struct puffs_usermount *, 228 const struct puffs_pathobj *, 229 const struct puffs_cn *, 230 struct puffs_pathobj *); 231 typedef int (*pu_pathcmp_fn)(struct puffs_usermount *, struct puffs_pathobj *, 232 struct puffs_pathobj *, size_t, int); 233 typedef void (*pu_pathfree_fn)(struct puffs_usermount *, 234 struct puffs_pathobj *); 235 typedef int (*pu_namemod_fn)(struct puffs_usermount *, 236 struct puffs_pathobj *, struct puffs_cn *); 237 238 enum { 239 PUFFS_STATE_MOUNTING, PUFFS_STATE_RUNNING, 240 PUFFS_STATE_UNMOUNTING, PUFFS_STATE_UNMOUNTED 241 }; 242 243 #define PUFFS_FLAG_KERN(a) ((a) & 0x0000ffff) 244 #define PUFFS_FLAG_LIB(a) ((a) & 0xffff0000) 245 246 #define PUFFS_FLAG_BUILDPATH 0x80000000 /* node paths in pnode */ 247 #define PUFFS_FLAG_OPDUMP 0x40000000 /* dump all operations */ 248 249 /* blocking mode argument */ 250 #define PUFFSDEV_BLOCK 0 251 #define PUFFSDEV_NONBLOCK 1 252 253 /* mainloop flags */ 254 #define PUFFSLOOP_NODAEMON 0x01 255 256 #define DENT_DOT 0 257 #define DENT_DOTDOT 1 258 #define DENT_ADJ(a) ((a)-2) /* nth request means dir's n-2th */ 259 260 261 /* 262 * protos 263 */ 264 265 #define PUFFSOP_PROTOS(fsname) \ 266 int fsname##_fs_mount(struct puffs_usermount *, void **, \ 267 struct statvfs *); \ 268 int fsname##_fs_unmount(struct puffs_cc *, int, pid_t); \ 269 int fsname##_fs_statvfs(struct puffs_cc *, \ 270 struct statvfs *, pid_t); \ 271 int fsname##_fs_sync(struct puffs_cc *, int, \ 272 const struct puffs_cred *cred, pid_t); \ 273 int fsname##_fs_fhtonode(struct puffs_cc *, void *, size_t, \ 274 void **, enum vtype *, voff_t *, dev_t *); \ 275 int fsname##_fs_nodetofh(struct puffs_cc *, void *cookie, \ 276 void *, size_t *); \ 277 void fsname##_fs_suspend(struct puffs_cc *, int); \ 278 \ 279 int fsname##_node_lookup(struct puffs_cc *, \ 280 void *, void **, enum vtype *, voff_t *, dev_t *, \ 281 const struct puffs_cn *); \ 282 int fsname##_node_create(struct puffs_cc *, \ 283 void *, void **, const struct puffs_cn *, \ 284 const struct vattr *); \ 285 int fsname##_node_mknod(struct puffs_cc *, \ 286 void *, void **, const struct puffs_cn *, \ 287 const struct vattr *); \ 288 int fsname##_node_open(struct puffs_cc *, \ 289 void *, int, const struct puffs_cred *, pid_t); \ 290 int fsname##_node_close(struct puffs_cc *, \ 291 void *, int, const struct puffs_cred *, pid_t); \ 292 int fsname##_node_access(struct puffs_cc *, \ 293 void *, int, const struct puffs_cred *, pid_t); \ 294 int fsname##_node_getattr(struct puffs_cc *, \ 295 void *, struct vattr *, const struct puffs_cred *, pid_t); \ 296 int fsname##_node_setattr(struct puffs_cc *, \ 297 void *, const struct vattr *, const struct puffs_cred *, \ 298 pid_t); \ 299 int fsname##_node_poll(struct puffs_cc *, \ 300 void *, struct puffs_vnreq_poll *); \ 301 int fsname##_node_mmap(struct puffs_cc *, \ 302 void *, int, const struct puffs_cred *, pid_t); \ 303 int fsname##_node_fsync(struct puffs_cc *, \ 304 void *, const struct puffs_cred *, int, off_t, off_t, \ 305 pid_t); \ 306 int fsname##_node_seek(struct puffs_cc *, \ 307 void *, off_t, off_t, const struct puffs_cred *); \ 308 int fsname##_node_remove(struct puffs_cc *, \ 309 void *, void *, const struct puffs_cn *); \ 310 int fsname##_node_link(struct puffs_cc *, \ 311 void *, void *, const struct puffs_cn *); \ 312 int fsname##_node_rename(struct puffs_cc *, \ 313 void *, void *, const struct puffs_cn *, void *, void *, \ 314 const struct puffs_cn *); \ 315 int fsname##_node_mkdir(struct puffs_cc *, \ 316 void *, void **, const struct puffs_cn *, \ 317 const struct vattr *); \ 318 int fsname##_node_rmdir(struct puffs_cc *, \ 319 void *, void *, const struct puffs_cn *); \ 320 int fsname##_node_symlink(struct puffs_cc *, \ 321 void *, void **, const struct puffs_cn *, \ 322 const struct vattr *, const char *); \ 323 int fsname##_node_readdir(struct puffs_cc *, \ 324 void *, struct dirent *, off_t *, size_t *, \ 325 const struct puffs_cred *, int *, off_t *, size_t *); \ 326 int fsname##_node_readlink(struct puffs_cc *, \ 327 void *, const struct puffs_cred *, char *, size_t *); \ 328 int fsname##_node_reclaim(struct puffs_cc *, \ 329 void *, pid_t); \ 330 int fsname##_node_inactive(struct puffs_cc *, \ 331 void *, pid_t, int *); \ 332 int fsname##_node_print(struct puffs_cc *, \ 333 void *); \ 334 int fsname##_node_pathconf(struct puffs_cc *, \ 335 void *, int, int *); \ 336 int fsname##_node_advlock(struct puffs_cc *, \ 337 void *, void *, int, struct flock *, int); \ 338 int fsname##_node_getextattr(struct puffs_cc *, \ 339 void *, struct puffs_vnreq_getextattr *); \ 340 int fsname##_node_setextattr(struct puffs_cc *, \ 341 void *, struct puffs_vnreq_setextattr *); \ 342 int fsname##_node_listextattr(struct puffs_cc *, \ 343 void *, struct puffs_vnreq_listextattr *); \ 344 int fsname##_node_read(struct puffs_cc *, void *, \ 345 uint8_t *, off_t, size_t *, const struct puffs_cred *, int);\ 346 int fsname##_node_write(struct puffs_cc *, void *, \ 347 uint8_t *, off_t, size_t *, const struct puffs_cred *, int);\ 348 \ 349 int fsname##_cache_write(struct puffs_usermount *, void *, \ 350 size_t, struct puffs_cacheinfo *); 351 352 #define PUFFSOP_INIT(ops) \ 353 ops = malloc(sizeof(struct puffs_ops)); \ 354 memset(ops, 0, sizeof(struct puffs_ops)) 355 #define PUFFSOP_SET(ops, fsname, fsornode, opname) \ 356 (ops)->puffs_##fsornode##_##opname = fsname##_##fsornode##_##opname 357 #define PUFFSOP_SETFSNOP(ops, opname) \ 358 (ops)->puffs_fs_##opname = puffs_fsnop_##opname 359 360 #define PUFFS_DEVEL_LIBVERSION 12 361 #define puffs_mount(a,b,c,d,e,f,g) \ 362 _puffs_mount(PUFFS_DEVEL_LIBVERSION,a,b,c,d,e,f,g) 363 364 365 #define PNPATH(pnode) ((pnode)->pn_po.po_path) 366 #define PNPLEN(pnode) ((pnode)->pn_po.po_len) 367 #define PCNPATH(pcnode) ((pcnode)->pcn_po_full.po_path) 368 #define PCNPLEN(pcnode) ((pcnode)->pcn_po_full.po_len) 369 #define PCNISDOTDOT(pcnode) \ 370 ((pcnode)->pcn_namelen == 2 && strcmp((pcnode)->pcn_name, "..") == 0) 371 372 __BEGIN_DECLS 373 374 struct puffs_usermount *_puffs_mount(int, struct puffs_ops *, const char *, int, 375 const char *, void *, uint32_t, size_t); 376 int puffs_start(struct puffs_usermount *, void *, struct statvfs *); 377 int puffs_exit(struct puffs_usermount *, int); 378 int puffs_mainloop(struct puffs_usermount *, int); 379 380 381 int puffs_getselectable(struct puffs_usermount *); 382 int puffs_setblockingmode(struct puffs_usermount *, int); 383 int puffs_getstate(struct puffs_usermount *); 384 void puffs_setstacksize(struct puffs_usermount *, size_t); 385 386 void puffs_setroot(struct puffs_usermount *, 387 struct puffs_node *); 388 struct puffs_node *puffs_getroot(struct puffs_usermount *); 389 void *puffs_getspecific(struct puffs_usermount *); 390 size_t puffs_getmaxreqlen(struct puffs_usermount *); 391 392 struct puffs_pathobj *puffs_getrootpathobj(struct puffs_usermount *); 393 394 struct puffs_node *puffs_pn_new(struct puffs_usermount *, void *); 395 void puffs_pn_put(struct puffs_node *); 396 397 void *puffs_pn_getmntspecific(struct puffs_node *); 398 399 typedef void * (*puffs_nodewalk_fn)(struct puffs_usermount *, 400 struct puffs_node *, void *); 401 void *puffs_pn_nodewalk(struct puffs_usermount *, 402 puffs_nodewalk_fn, void *); 403 404 void puffs_setvattr(struct vattr *, const struct vattr *); 405 void puffs_vattr_null(struct vattr *); 406 407 /* 408 * generic/dummy routines applicable for some file systems 409 */ 410 int puffs_fsnop_unmount(struct puffs_cc *, int, pid_t); 411 int puffs_fsnop_statvfs(struct puffs_cc *, struct statvfs *, pid_t); 412 void puffs_zerostatvfs(struct statvfs *); 413 int puffs_fsnop_sync(struct puffs_cc *, int waitfor, 414 const struct puffs_cred *, pid_t); 415 int puffs_genfs_node_reclaim(struct puffs_cc *, void *, pid_t); 416 417 /* 418 * Subroutine stuff 419 */ 420 421 int puffs_gendotdent(struct dirent **, ino_t, int, size_t *); 422 int puffs_nextdent(struct dirent **, const char *, ino_t, 423 uint8_t, size_t *); 424 int puffs_vtype2dt(enum vtype); 425 enum vtype puffs_mode2vt(mode_t); 426 void puffs_stat2vattr(struct vattr *va, const struct stat *); 427 mode_t puffs_addvtype2mode(mode_t, enum vtype); 428 429 430 /* 431 * credentials & permissions 432 */ 433 434 /* Credential fetch */ 435 int puffs_cred_getuid(const struct puffs_cred *pcr, uid_t *); 436 int puffs_cred_getgid(const struct puffs_cred *pcr, gid_t *); 437 int puffs_cred_getgroups(const struct puffs_cred *pcr, gid_t *, short *); 438 439 /* Credential check */ 440 int puffs_cred_isuid(const struct puffs_cred *, uid_t); 441 int puffs_cred_hasgroup(const struct puffs_cred *, gid_t); 442 int puffs_cred_isregular(const struct puffs_cred *); 443 int puffs_cred_iskernel(const struct puffs_cred *); 444 int puffs_cred_isfs(const struct puffs_cred *); 445 int puffs_cred_isjuggernaut(const struct puffs_cred *); 446 447 /* misc */ 448 int puffs_access(enum vtype, mode_t, uid_t, gid_t, mode_t, 449 const struct puffs_cred *); 450 int puffs_access_chown(uid_t, gid_t, uid_t, gid_t, 451 const struct puffs_cred *); 452 int puffs_access_chmod(uid_t, gid_t, enum vtype, mode_t, 453 const struct puffs_cred *); 454 int puffs_access_times(uid_t, gid_t, mode_t, int, 455 const struct puffs_cred *); 456 457 458 /* 459 * Requests 460 */ 461 462 struct puffs_getreq *puffs_req_makeget(struct puffs_usermount *, 463 size_t, int); 464 int puffs_req_loadget(struct puffs_getreq *); 465 struct puffs_req *puffs_req_get(struct puffs_getreq *); 466 int puffs_req_remainingget(struct puffs_getreq *); 467 void puffs_req_setmaxget(struct puffs_getreq *, int); 468 void puffs_req_destroyget(struct puffs_getreq *); 469 470 struct puffs_putreq *puffs_req_makeput(struct puffs_usermount *); 471 void puffs_req_put(struct puffs_putreq *,struct puffs_req *); 472 void puffs_req_putcc(struct puffs_putreq *,struct puffs_cc*); 473 int puffs_req_putput(struct puffs_putreq *); 474 void puffs_req_resetput(struct puffs_putreq *); 475 void puffs_req_destroyput(struct puffs_putreq *); 476 477 int puffs_req_handle(struct puffs_usermount *, 478 struct puffs_getreq *, 479 struct puffs_putreq *, int); 480 481 /* 482 * Call Context interfaces relevant for user. 483 */ 484 485 void puffs_cc_yield(struct puffs_cc *); 486 void puffs_cc_continue(struct puffs_cc *); 487 struct puffs_usermount *puffs_cc_getusermount(struct puffs_cc *); 488 struct puffs_cc *puffs_cc_create(struct puffs_usermount *); 489 void puffs_cc_destroy(struct puffs_cc *); 490 491 /* 492 * Execute or continue a request 493 */ 494 495 int puffs_dopreq(struct puffs_usermount *, struct puffs_req *, 496 struct puffs_putreq *); 497 int puffs_docc(struct puffs_cc *, struct puffs_putreq *); 498 499 /* 500 * Flushing / invalidation routines 501 */ 502 503 int puffs_inval_namecache_dir(struct puffs_usermount *, void *); 504 int puffs_inval_namecache_all(struct puffs_usermount *); 505 506 int puffs_inval_pagecache_node(struct puffs_usermount *, void *); 507 int puffs_inval_pagecache_node_range(struct puffs_usermount *, void *, 508 off_t, off_t); 509 int puffs_flush_pagecache_node(struct puffs_usermount *, void *); 510 int puffs_flush_pagecache_node_range(struct puffs_usermount *, void *, 511 off_t, off_t); 512 513 /* 514 * Path constructicons 515 */ 516 517 int puffs_stdpath_buildpath(struct puffs_usermount *, 518 const struct puffs_pathobj *, 519 const struct puffs_pathobj *, size_t, 520 struct puffs_pathobj *); 521 int puffs_stdpath_cmppath(struct puffs_usermount *, struct puffs_pathobj *, 522 struct puffs_pathobj *, size_t, int); 523 void puffs_stdpath_freepath(struct puffs_usermount *,struct puffs_pathobj *); 524 525 void *puffs_path_walkcmp(struct puffs_usermount *, 526 struct puffs_node *, void *); 527 void *puffs_path_prefixadj(struct puffs_usermount *, 528 struct puffs_node *, void *); 529 int puffs_path_pcnbuild(struct puffs_usermount *, 530 struct puffs_cn *, void *); 531 532 void puffs_set_pathbuild(struct puffs_usermount *, pu_pathbuild_fn); 533 void puffs_set_pathtransform(struct puffs_usermount *, pu_pathtransform_fn); 534 void puffs_set_pathcmp(struct puffs_usermount *, pu_pathcmp_fn); 535 void puffs_set_pathfree(struct puffs_usermount *, pu_pathfree_fn); 536 void puffs_set_namemod(struct puffs_usermount *, pu_namemod_fn); 537 538 /* 539 * Suspension 540 */ 541 542 int puffs_fs_suspend(struct puffs_usermount *); 543 544 __END_DECLS 545 546 #endif /* _PUFFS_H_ */ 547
Indexes created Mon Sep 29 21:09:56 GMT 2025