Annotation of src/sys/filecorefs/filecore_vfsops.c, Revision 1.14
1.14 ! mrg 1: /* $NetBSD: filecore_vfsops.c,v 1.13 2001/01/22 13:32:23 jdolecek Exp $ */
1.1 mark 2:
3: /*-
4: * Copyright (c) 1998 Andrew McMurry
5: * Copyright (c) 1994 The Regents of the University of California.
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: *
36: * filecore_vfsops.c 1.1 1998/6/26
37: */
1.5 drochner 38:
1.14 ! mrg 39: #if defined(_KERNEL_OPT)
1.5 drochner 40: #include "opt_compat_netbsd.h"
41: #endif
1.1 mark 42:
43: #include <sys/param.h>
44: #include <sys/systm.h>
45: #include <sys/namei.h>
46: #include <sys/proc.h>
47: #include <sys/vnode.h>
48: #include <miscfs/specfs/specdev.h>
49: #include <sys/mount.h>
50: #include <sys/buf.h>
51: #include <sys/file.h>
52: #include <sys/device.h>
53: #include <sys/errno.h>
54: #include <sys/malloc.h>
1.3 thorpej 55: #include <sys/pool.h>
1.1 mark 56:
57: #include <filecorefs/filecore.h>
58: #include <filecorefs/filecore_extern.h>
59: #include <filecorefs/filecore_node.h>
60: #include <filecorefs/filecore_mount.h>
61:
1.13 jdolecek 62: extern const struct vnodeopv_desc filecore_vnodeop_opv_desc;
1.1 mark 63:
1.13 jdolecek 64: const struct vnodeopv_desc * const filecore_vnodeopv_descs[] = {
1.1 mark 65: &filecore_vnodeop_opv_desc,
66: NULL,
67: };
68:
69: struct vfsops filecore_vfsops = {
70: MOUNT_FILECORE,
71: filecore_mount,
72: filecore_start,
73: filecore_unmount,
74: filecore_root,
75: filecore_quotactl,
76: filecore_statfs,
77: filecore_sync,
78: filecore_vget,
79: filecore_fhtovp,
80: filecore_vptofh,
81: filecore_init,
1.11 jdolecek 82: filecore_done,
1.1 mark 83: filecore_sysctl,
84: NULL, /* filecore_mountroot */
1.6 wrstuden 85: filecore_checkexp,
1.1 mark 86: filecore_vnodeopv_descs,
87: };
88:
89: /*
90: * Called by vfs_mountroot when iso is going to be mounted as root.
91: *
92: * Name is updated by mount(8) after booting.
93: */
94:
95: static int filecore_mountfs __P((struct vnode *devvp, struct mount *mp,
96: struct proc *p, struct filecore_args *argp));
97:
98: #if 0
99: int
100: filecore_mountroot()
101: {
102: struct mount *mp;
103: extern struct vnode *rootvp;
104: struct proc *p = curproc; /* XXX */
105: int error;
106: struct filecore_args args;
107:
108: if (root_device->dv_class != DV_DISK)
109: return (ENODEV);
110:
111: /*
112: * Get vnodes for swapdev and rootdev.
113: */
114: if (bdevvp(rootdev, &rootvp))
115: panic("filecore_mountroot: can't setup rootvp");
116:
117: if ((error = vfs_rootmountalloc(MOUNT_FILECORE, "root_device", &mp)) != 0)
118: return (error);
119:
120: args.flags = FILECOREMNT_ROOT;
121: if ((error = filecore_mountfs(rootvp, mp, p, &args)) != 0) {
122: mp->mnt_op->vfs_refcount--;
123: vfs_unbusy(mp);
124: free(mp, M_MOUNT);
125: return (error);
126: }
127: simple_lock(&mountlist_slock);
128: CIRCLEQ_INSERT_TAIL(&mountlist, mp, mnt_list);
129: simple_unlock(&mountlist_slock);
130: (void)filecore_statfs(mp, &mp->mnt_stat, p);
131: vfs_unbusy(mp);
132: return (0);
133: }
134: #endif
135:
136: /*
137: * VFS Operations.
138: *
139: * mount system call
140: */
141: int
142: filecore_mount(mp, path, data, ndp, p)
143: struct mount *mp;
144: const char *path;
145: void *data;
146: struct nameidata *ndp;
147: struct proc *p;
148: {
149: struct vnode *devvp;
150: struct filecore_args args;
151: size_t size;
152: int error;
153: struct filecore_mnt *fcmp = NULL;
154:
155: error = copyin(data, (caddr_t)&args, sizeof (struct filecore_args));
156: if (error)
157: return (error);
158:
159: if ((mp->mnt_flag & MNT_RDONLY) == 0)
160: return (EROFS);
161:
162: /*
163: * If updating, check whether changing from read-only to
164: * read/write; if there is no device name, that's all we do.
165: */
166: if (mp->mnt_flag & MNT_UPDATE) {
167: fcmp = VFSTOFILECORE(mp);
168: if (args.fspec == 0)
169: return (vfs_export(mp, &fcmp->fc_export, &args.export));
170: }
171: /*
172: * Not an update, or updating the name: look up the name
173: * and verify that it refers to a sensible block device.
174: */
175: NDINIT(ndp, LOOKUP, FOLLOW, UIO_USERSPACE, args.fspec, p);
176: if ((error = namei(ndp)) != 0)
177: return (error);
178: devvp = ndp->ni_vp;
179:
180: if (devvp->v_type != VBLK) {
181: vrele(devvp);
182: return ENOTBLK;
183: }
184: if (major(devvp->v_rdev) >= nblkdev) {
185: vrele(devvp);
186: return ENXIO;
1.4 mycroft 187: }
188: /*
189: * If mount by non-root, then verify that user has necessary
190: * permissions on the device.
191: */
192: if (p->p_ucred->cr_uid != 0) {
193: vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY);
194: error = VOP_ACCESS(devvp, VREAD, p->p_ucred, p);
195: VOP_UNLOCK(devvp, 0);
196: if (error) {
197: vrele(devvp);
198: return (error);
199: }
1.1 mark 200: }
201: if ((mp->mnt_flag & MNT_UPDATE) == 0)
202: error = filecore_mountfs(devvp, mp, p, &args);
203: else {
204: if (devvp != fcmp->fc_devvp)
205: error = EINVAL; /* needs translation */
206: else
207: vrele(devvp);
208: }
209: if (error) {
210: vrele(devvp);
211: return error;
212: }
213: fcmp = VFSTOFILECORE(mp);
214: (void) copyinstr(path, mp->mnt_stat.f_mntonname, MNAMELEN - 1, &size);
215: memset(mp->mnt_stat.f_mntonname + size, 0, MNAMELEN - size);
216: (void) copyinstr(args.fspec, mp->mnt_stat.f_mntfromname, MNAMELEN - 1,
217: &size);
218: memset(mp->mnt_stat.f_mntfromname + size, 0, MNAMELEN - size);
219: return 0;
220: }
221:
222: /*
223: * Common code for mount and mountroot
224: */
225: static int
226: filecore_mountfs(devvp, mp, p, argp)
1.2 mark 227: struct vnode *devvp;
1.1 mark 228: struct mount *mp;
229: struct proc *p;
230: struct filecore_args *argp;
231: {
1.2 mark 232: struct filecore_mnt *fcmp = (struct filecore_mnt *)0;
1.1 mark 233: struct buf *bp = NULL;
234: dev_t dev = devvp->v_rdev;
235: int error = EINVAL;
236: int ronly = (mp->mnt_flag & MNT_RDONLY) != 0;
237: extern struct vnode *rootvp;
238: struct filecore_disc_record *fcdr;
239: unsigned map;
240: unsigned log2secsize;
241:
242: if (!ronly)
243: return EROFS;
244:
245: /*
246: * Disallow multiple mounts of the same device.
247: * Disallow mounting of a device that is currently in use
248: * (except for root, which might share swap device for miniroot).
249: * Flush out any old buffers remaining from a previous use.
250: */
251: if ((error = vfs_mountedon(devvp)) != 0)
252: return error;
253: if (vcount(devvp) > 1 && devvp != rootvp)
254: return EBUSY;
255: if ((error = vinvalbuf(devvp, V_SAVE, p->p_ucred, p, 0, 0)) != 0)
256: return (error);
257:
258: error = VOP_OPEN(devvp, ronly ? FREAD : FREAD|FWRITE, FSCRED, p);
259: if (error)
260: return error;
261:
262: /* Read the filecore boot block to check FS validity and to find the map */
263: error = bread(devvp, FILECORE_BOOTBLOCK_BLKN,
264: FILECORE_BOOTBLOCK_SIZE, NOCRED, &bp);
265: #ifdef FILECORE_DEBUG_BR
1.2 mark 266: printf("bread(%p, %x, %d, CRED, %p)=%d\n", devvp,
1.1 mark 267: FILECORE_BOOTBLOCK_BLKN, FILECORE_BOOTBLOCK_SIZE,
268: bp, error);
269: #endif
270: if (error != 0)
271: goto out;
272: if (filecore_bbchecksum(bp->b_data) != 0) {
273: error = EINVAL;
274: goto out;
275: }
276: fcdr = (struct filecore_disc_record *)(bp->b_data+FILECORE_BB_DISCREC);
1.2 mark 277: map = ((((8 << fcdr->log2secsize) - fcdr->zone_spare)
278: * (fcdr->nzones / 2) - 8 * FILECORE_DISCREC_SIZE)
279: << fcdr->log2bpmb) >> fcdr->log2secsize;
1.1 mark 280: log2secsize = fcdr->log2secsize;
281: bp->b_flags |= B_AGE;
282: #ifdef FILECORE_DEBUG_BR
1.2 mark 283: printf("brelse(%p) vf1\n", bp);
1.1 mark 284: #endif
285: brelse(bp);
286: bp = NULL;
287:
288: /* Read the bootblock in the map */
1.2 mark 289: error = bread(devvp, map, 1 << log2secsize, NOCRED, &bp);
1.1 mark 290: #ifdef FILECORE_DEBUG_BR
1.2 mark 291: printf("bread(%p, %x, %d, CRED, %p)=%d\n", devvp,
292: map, 1 << log2secsize, bp, error);
1.1 mark 293: #endif
294: if (error != 0)
295: goto out;
1.2 mark 296: fcdr = (struct filecore_disc_record *)(bp->b_data + 4);
1.1 mark 297: fcmp = malloc(sizeof *fcmp, M_FILECOREMNT, M_WAITOK);
298: memset((caddr_t)fcmp, 0, sizeof *fcmp);
299: if (fcdr->log2bpmb > fcdr->log2secsize)
300: fcmp->log2bsize = fcdr->log2bpmb;
301: else fcmp->log2bsize = fcdr->log2secsize;
1.2 mark 302: fcmp->blksize = 1 << fcmp->log2bsize;
1.1 mark 303: memcpy((caddr_t)&fcmp->drec, (caddr_t)fcdr, sizeof(*fcdr));
1.2 mark 304: fcmp->map = map;
305: fcmp->idspz = ((8 << fcdr->log2secsize) - fcdr->zone_spare)
306: / (fcdr->idlen + 1);
307: fcmp->mask = (1 << fcdr->idlen) - 1;
1.1 mark 308: if (fcdr->big_flag & 1) {
1.2 mark 309: fcmp->nblks = ((((u_int64_t)fcdr->disc_size_2) << 32)
310: + fcdr->disc_size) / fcmp->blksize;
1.1 mark 311: } else {
1.2 mark 312: fcmp->nblks=fcdr->disc_size / fcmp->blksize;
1.1 mark 313: }
314:
315: bp->b_flags |= B_AGE;
316: #ifdef FILECORE_DEBUG_BR
1.2 mark 317: printf("brelse(%p) vf2\n", bp);
1.1 mark 318: #endif
319: brelse(bp);
320: bp = NULL;
321:
322: mp->mnt_data = (qaddr_t)fcmp;
323: mp->mnt_stat.f_fsid.val[0] = (long)dev;
324: mp->mnt_stat.f_fsid.val[1] = makefstype(MOUNT_FILECORE);
325: mp->mnt_maxsymlinklen = 0;
326: mp->mnt_flag |= MNT_LOCAL;
1.12 chs 327: mp->mnt_dev_bshift = fcdr->log2secsize;
328: mp->mnt_fs_bshift = fcmp->log2bsize;
329:
1.1 mark 330: fcmp->fc_mountp = mp;
331: fcmp->fc_dev = dev;
332: fcmp->fc_devvp = devvp;
333: fcmp->fc_mntflags = argp->flags;
334: if (argp->flags & FILECOREMNT_USEUID) {
1.2 mark 335: fcmp->fc_uid = p->p_cred->p_ruid;
336: fcmp->fc_gid = p->p_cred->p_rgid;
1.1 mark 337: } else {
1.2 mark 338: fcmp->fc_uid = argp->uid;
339: fcmp->fc_gid = argp->gid;
1.1 mark 340: }
341:
342: return 0;
343: out:
344: if (bp) {
345: #ifdef FILECORE_DEBUG_BR
1.2 mark 346: printf("brelse(%p) vf3\n", bp);
1.1 mark 347: #endif
348: brelse(bp);
349: }
1.8 wrstuden 350: vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY);
1.1 mark 351: (void)VOP_CLOSE(devvp, ronly ? FREAD : FREAD|FWRITE, NOCRED, p);
1.8 wrstuden 352: VOP_UNLOCK(devvp, 0);
1.1 mark 353: if (fcmp) {
354: free((caddr_t)fcmp, M_FILECOREMNT);
355: mp->mnt_data = (qaddr_t)0;
356: }
357: return error;
358: }
359:
360: /*
361: * Make a filesystem operational.
362: * Nothing to do at the moment.
363: */
364: /* ARGSUSED */
365: int
366: filecore_start(mp, flags, p)
367: struct mount *mp;
368: int flags;
369: struct proc *p;
370: {
371: return 0;
372: }
373:
374: /*
375: * unmount system call
376: */
377: int
378: filecore_unmount(mp, mntflags, p)
379: struct mount *mp;
380: int mntflags;
381: struct proc *p;
382: {
1.2 mark 383: struct filecore_mnt *fcmp;
1.1 mark 384: int error, flags = 0;
385:
386: if (mntflags & MNT_FORCE)
387: flags |= FORCECLOSE;
388: #if 0
389: mntflushbuf(mp, 0);
390: if (mntinvalbuf(mp))
391: return EBUSY;
392: #endif
393: if ((error = vflush(mp, NULLVP, flags)) != 0)
394: return (error);
395:
396: fcmp = VFSTOFILECORE(mp);
397:
1.9 enami 398: if (fcmp->fc_devvp->v_type != VBAD)
1.10 fvdl 399: fcmp->fc_devvp->v_specmountpoint = NULL;
1.8 wrstuden 400: vn_lock(fcmp->fc_devvp, LK_EXCLUSIVE | LK_RETRY);
1.1 mark 401: error = VOP_CLOSE(fcmp->fc_devvp, FREAD, NOCRED, p);
1.8 wrstuden 402: vput(fcmp->fc_devvp);
1.1 mark 403: free((caddr_t)fcmp, M_FILECOREMNT);
404: mp->mnt_data = (qaddr_t)0;
405: mp->mnt_flag &= ~MNT_LOCAL;
406: return (error);
407: }
408:
409: /*
410: * Return root of a filesystem
411: */
412: int
413: filecore_root(mp, vpp)
414: struct mount *mp;
415: struct vnode **vpp;
416: {
417: struct vnode *nvp;
418: int error;
419:
420: if ((error = VFS_VGET(mp, FILECORE_ROOTINO, &nvp)) != 0)
421: return (error);
422: *vpp = nvp;
423: return (0);
424: }
425:
426: /*
427: * Do operations associated with quotas, not supported
428: */
429: /* ARGSUSED */
430: int
431: filecore_quotactl(mp, cmd, uid, arg, p)
432: struct mount *mp;
433: int cmd;
434: uid_t uid;
435: caddr_t arg;
436: struct proc *p;
437: {
438:
439: return (EOPNOTSUPP);
440: }
441:
442: /*
443: * Get file system statistics.
444: */
445: int
446: filecore_statfs(mp, sbp, p)
447: struct mount *mp;
1.2 mark 448: struct statfs *sbp;
1.1 mark 449: struct proc *p;
450: {
1.2 mark 451: struct filecore_mnt *fcmp = VFSTOFILECORE(mp);
1.1 mark 452:
453: #ifdef COMPAT_09
454: sbp->f_type = 255;
455: #else
456: sbp->f_type = 0;
457: #endif
458: sbp->f_bsize = fcmp->blksize;
459: sbp->f_iosize = sbp->f_bsize; /* XXX */
460: sbp->f_blocks = fcmp->nblks;
461: sbp->f_bfree = 0; /* total free blocks */
462: sbp->f_bavail = 0; /* blocks free for non superuser */
463: sbp->f_files = 0; /* total files */
464: sbp->f_ffree = 0; /* free file nodes */
465: if (sbp != &mp->mnt_stat) {
466: memcpy(sbp->f_mntonname, mp->mnt_stat.f_mntonname, MNAMELEN);
467: memcpy(sbp->f_mntfromname, mp->mnt_stat.f_mntfromname, MNAMELEN);
468: }
469: strncpy(sbp->f_fstypename, mp->mnt_op->vfs_name, MFSNAMELEN);
470: return 0;
471: }
472:
473: /* ARGSUSED */
474: int
475: filecore_sync(mp, waitfor, cred, p)
476: struct mount *mp;
477: int waitfor;
478: struct ucred *cred;
479: struct proc *p;
480: {
481: return (0);
482: }
483:
484: /*
485: * File handle to vnode
486: *
487: * Have to be really careful about stale file handles:
488: * - check that the inode number is in range
489: * - call iget() to get the locked inode
490: * - check for an unallocated inode (i_mode == 0)
491: * - check that the generation number matches
492: */
493:
494: struct ifid {
495: ushort ifid_len;
496: ushort ifid_pad;
497: u_int32_t ifid_ino;
498: };
499:
500: /* ARGSUSED */
501: int
1.6 wrstuden 502: filecore_fhtovp(mp, fhp, vpp)
1.2 mark 503: struct mount *mp;
1.1 mark 504: struct fid *fhp;
505: struct vnode **vpp;
506: {
507: struct ifid *ifhp = (struct ifid *)fhp;
508: struct vnode *nvp;
509: struct filecore_node *ip;
510: int error;
511:
512: if ((error = VFS_VGET(mp, ifhp->ifid_ino, &nvp)) != 0) {
513: *vpp = NULLVP;
514: return (error);
515: }
516: ip = VTOI(nvp);
517: if (filecore_staleinode(ip)) {
518: vput(nvp);
519: *vpp = NULLVP;
520: return (ESTALE);
1.6 wrstuden 521: }
522: *vpp = nvp;
523: return (0);
524: }
525:
526: /* ARGSUSED */
527: int
528: filecore_checkexp(mp, nam, exflagsp, credanonp)
529: struct mount *mp;
530: struct mbuf *nam;
531: int *exflagsp;
532: struct ucred **credanonp;
533: {
534: struct filecore_mnt *fcmp = VFSTOFILECORE(mp);
535: struct netcred *np;
536:
537: /*
538: * Get the export permission structure for this <mp, client> tuple.
539: */
540: np = vfs_export_lookup(mp, &fcmp->fc_export, nam);
541: if (np == NULL)
542: return (EACCES);
543:
1.1 mark 544: *exflagsp = np->netc_exflags;
545: *credanonp = &np->netc_anon;
546: return (0);
547: }
548:
549: /* This looks complicated. Look at other vgets as well as the iso9660 one.
1.2 mark 550: *
551: * The filecore inode number is made up of 1 byte directory entry index and
552: * 3 bytes of the internal disc address of the directory. On a read-only
553: * filesystem this is unique. For a read-write version we may not be able to
554: * do vget, see msdosfs.
555: */
1.1 mark 556:
557: int
558: filecore_vget(mp, ino, vpp)
559: struct mount *mp;
560: ino_t ino;
561: struct vnode **vpp;
562: {
1.2 mark 563: struct filecore_mnt *fcmp;
1.1 mark 564: struct filecore_node *ip;
565: struct buf *bp;
566: struct vnode *vp;
567: dev_t dev;
568: int error;
569:
570: fcmp = VFSTOFILECORE(mp);
571: dev = fcmp->fc_dev;
572: if ((*vpp = filecore_ihashget(dev, ino)) != NULLVP)
573: return (0);
574:
575: /* Allocate a new vnode/filecore_node. */
1.2 mark 576: if ((error = getnewvnode(VT_FILECORE, mp, filecore_vnodeop_p, &vp))
577: != 0) {
1.1 mark 578: *vpp = NULLVP;
579: return (error);
580: }
1.3 thorpej 581: ip = pool_get(&filecore_node_pool, PR_WAITOK);
1.1 mark 582: memset((caddr_t)ip, 0, sizeof(struct filecore_node));
583: vp->v_data = ip;
584: ip->i_vnode = vp;
585: ip->i_dev = dev;
586: ip->i_number = ino;
587: ip->i_block = -1;
588: ip->i_parent = -2;
589:
590: /*
591: * Put it onto its hash chain and lock it so that other requests for
592: * this inode will block if they arrive while we are sleeping waiting
593: * for old data structures to be purged or for the contents of the
594: * disk portion of this inode to be read.
595: */
596: filecore_ihashins(ip);
597:
1.2 mark 598: if (ino == FILECORE_ROOTINO) {
1.1 mark 599: /* Here we need to construct a root directory inode */
1.2 mark 600: memcpy((caddr_t)ip->i_dirent.name, (caddr_t)"root", 4);
601: ip->i_dirent.load = 0;
602: ip->i_dirent.exec = 0;
603: ip->i_dirent.len = FILECORE_DIR_SIZE;
604: ip->i_dirent.addr = fcmp->drec.root;
605: ip->i_dirent.attr = FILECORE_ATTR_DIR | FILECORE_ATTR_READ;
1.1 mark 606:
607: } else {
608: /* Read in Data from Directory Entry */
1.2 mark 609: if ((error = filecore_bread(fcmp, ino & FILECORE_INO_MASK,
610: FILECORE_DIR_SIZE, NOCRED, &bp)) != 0) {
1.1 mark 611: vput(vp);
612: #ifdef FILECORE_DEBUG_BR
1.2 mark 613: printf("brelse(%p) vf4\n", bp);
1.1 mark 614: #endif
615: brelse(bp);
616: *vpp = NULL;
617: return (error);
618: }
619:
620: memcpy((caddr_t)&ip->i_dirent,
1.2 mark 621: (caddr_t)fcdirentry(bp->b_data, ino >> FILECORE_INO_INDEX),
1.1 mark 622: sizeof(struct filecore_direntry));
623: #ifdef FILECORE_DEBUG_BR
1.2 mark 624: printf("brelse(%p) vf5\n", bp);
1.1 mark 625: #endif
626: brelse(bp);
627: }
628:
629: ip->i_mnt = fcmp;
630: ip->i_devvp = fcmp->fc_devvp;
631: ip->i_diroff = 0;
632: VREF(ip->i_devvp);
633:
634: /*
635: * Setup type
636: */
637: vp->v_type = VREG;
1.2 mark 638: if (ip->i_dirent.attr & FILECORE_ATTR_DIR)
639: vp->v_type = VDIR;
1.1 mark 640:
641: /*
642: * Initialize the associated vnode
643: */
644: switch (vp->v_type) {
645: case VFIFO:
646: case VCHR:
647: case VBLK:
648: /*
649: * Devices not supported.
650: */
651: vput(vp);
652: return (EOPNOTSUPP);
653: case VLNK:
654: case VNON:
655: case VSOCK:
656: case VDIR:
657: case VBAD:
658: case VREG:
659: break;
660: }
661:
662: if (ino == FILECORE_ROOTINO)
663: vp->v_flag |= VROOT;
664:
665: /*
666: * XXX need generation number?
667: */
668:
669: *vpp = vp;
670: return (0);
671: }
672:
673: /*
674: * Vnode pointer to File handle
675: */
676: /* ARGSUSED */
677: int
678: filecore_vptofh(vp, fhp)
679: struct vnode *vp;
680: struct fid *fhp;
681: {
1.2 mark 682: struct filecore_node *ip = VTOI(vp);
683: struct ifid *ifhp;
1.1 mark 684:
685: ifhp = (struct ifid *)fhp;
686: ifhp->ifid_len = sizeof(struct ifid);
687: ifhp->ifid_ino = ip->i_number;
688: return 0;
689: }
690:
691: int
692: filecore_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p)
693: int *name;
694: u_int namelen;
695: void *oldp;
696: size_t *oldlenp;
697: void *newp;
698: size_t newlen;
699: struct proc *p;
700: {
701: return (EOPNOTSUPP);
702: }
CVSweb <webmaster@jp.NetBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to filecore_vfsops.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [cvs.NetBSD.org] / src / sys / filecorefs