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efs_vnops.c revision 1.26
      1  1.26    rmind /*	$NetBSD: efs_vnops.c,v 1.26 2012/07/22 00:53:19 rmind Exp $	*/
      2   1.1   rumble 
      3   1.1   rumble /*
      4   1.1   rumble  * Copyright (c) 2006 Stephen M. Rumble <rumble (at) ephemeral.org>
      5   1.1   rumble  *
      6   1.1   rumble  * Permission to use, copy, modify, and distribute this software for any
      7   1.1   rumble  * purpose with or without fee is hereby granted, provided that the above
      8   1.1   rumble  * copyright notice and this permission notice appear in all copies.
      9   1.1   rumble  *
     10   1.1   rumble  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     11   1.1   rumble  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     12   1.1   rumble  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     13   1.1   rumble  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     14   1.1   rumble  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     15   1.1   rumble  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     16   1.1   rumble  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     17   1.1   rumble  */
     18   1.1   rumble 
     19   1.1   rumble #include <sys/cdefs.h>
     20  1.26    rmind __KERNEL_RCSID(0, "$NetBSD: efs_vnops.c,v 1.26 2012/07/22 00:53:19 rmind Exp $");
     21   1.1   rumble 
     22   1.1   rumble #include <sys/param.h>
     23   1.1   rumble #include <sys/systm.h>
     24   1.1   rumble #include <sys/proc.h>
     25   1.1   rumble #include <sys/kernel.h>
     26   1.1   rumble #include <sys/vnode.h>
     27   1.1   rumble #include <sys/mount.h>
     28   1.1   rumble #include <sys/malloc.h>
     29   1.1   rumble #include <sys/namei.h>
     30   1.1   rumble #include <sys/dirent.h>
     31   1.1   rumble #include <sys/lockf.h>
     32   1.1   rumble #include <sys/unistd.h>
     33  1.15    pooka #include <sys/buf.h>
     34   1.1   rumble 
     35   1.1   rumble #include <miscfs/genfs/genfs.h>
     36   1.1   rumble #include <miscfs/genfs/genfs_node.h>
     37  1.17    pooka #include <miscfs/fifofs/fifo.h>
     38  1.17    pooka #include <miscfs/specfs/specdev.h>
     39   1.1   rumble 
     40   1.1   rumble #include <fs/efs/efs.h>
     41   1.1   rumble #include <fs/efs/efs_sb.h>
     42   1.1   rumble #include <fs/efs/efs_dir.h>
     43   1.1   rumble #include <fs/efs/efs_genfs.h>
     44   1.1   rumble #include <fs/efs/efs_mount.h>
     45   1.1   rumble #include <fs/efs/efs_extent.h>
     46   1.1   rumble #include <fs/efs/efs_dinode.h>
     47   1.1   rumble #include <fs/efs/efs_inode.h>
     48   1.1   rumble #include <fs/efs/efs_subr.h>
     49   1.1   rumble #include <fs/efs/efs_ihash.h>
     50   1.1   rumble 
     51   1.1   rumble MALLOC_DECLARE(M_EFSTMP);
     52   1.1   rumble 
     53   1.1   rumble /*
     54   1.1   rumble  * Lookup a pathname component in the given directory.
     55   1.1   rumble  *
     56   1.1   rumble  * Returns 0 on success.
     57   1.1   rumble  */
     58   1.1   rumble static int
     59   1.1   rumble efs_lookup(void *v)
     60   1.1   rumble {
     61   1.1   rumble 	struct vop_lookup_args /* {
     62   1.1   rumble 		struct vnode *a_dvp;
     63   1.1   rumble 		struct vnode **a_vpp;
     64   1.1   rumble 		struct componentname *a_cnp;
     65   1.1   rumble 	} */ *ap = v;
     66   1.1   rumble 	struct componentname *cnp = ap->a_cnp;
     67   1.1   rumble 	struct vnode *vp;
     68   1.1   rumble 	ino_t ino;
     69   1.1   rumble 	int err, nameiop = cnp->cn_nameiop;
     70   1.1   rumble 
     71   1.1   rumble 	/* ensure that the directory can be accessed first */
     72  1.12    pooka         err = VOP_ACCESS(ap->a_dvp, VEXEC, cnp->cn_cred);
     73   1.1   rumble 	if (err)
     74   1.1   rumble 		return (err);
     75   1.1   rumble 
     76   1.1   rumble 	err = cache_lookup(ap->a_dvp, ap->a_vpp, cnp);
     77   1.1   rumble 	if (err != -1)
     78   1.1   rumble 		return (err);
     79   1.1   rumble 
     80   1.1   rumble 	/*
     81   1.1   rumble 	 * Handle the three lookup types: '.', '..', and everything else.
     82   1.1   rumble 	 */
     83   1.1   rumble 	if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') {
     84   1.1   rumble 		vref(ap->a_dvp);
     85   1.1   rumble 		*ap->a_vpp = ap->a_dvp;
     86   1.1   rumble 	} else if (cnp->cn_flags & ISDOTDOT) {
     87   1.1   rumble 		err = efs_inode_lookup(VFSTOEFS(ap->a_dvp->v_mount),
     88   1.1   rumble 		    EFS_VTOI(ap->a_dvp), ap->a_cnp, &ino);
     89   1.1   rumble 		if (err)
     90   1.1   rumble 			return (err);
     91   1.1   rumble 
     92  1.22  hannken 		VOP_UNLOCK(ap->a_dvp);	/* preserve lock order */
     93   1.1   rumble 
     94   1.1   rumble 		err = VFS_VGET(ap->a_dvp->v_mount, ino, &vp);
     95   1.1   rumble 		if (err) {
     96   1.1   rumble 			vn_lock(ap->a_dvp, LK_EXCLUSIVE | LK_RETRY);
     97   1.1   rumble 			return (err);
     98   1.1   rumble 		}
     99   1.1   rumble 		vn_lock(ap->a_dvp, LK_EXCLUSIVE | LK_RETRY);
    100   1.1   rumble 		*ap->a_vpp = vp;
    101   1.1   rumble 	} else {
    102   1.1   rumble 		err = efs_inode_lookup(VFSTOEFS(ap->a_dvp->v_mount),
    103   1.1   rumble 		    EFS_VTOI(ap->a_dvp), ap->a_cnp, &ino);
    104   1.1   rumble 		if (err) {
    105  1.26    rmind 			if (err == ENOENT && nameiop != CREATE)
    106   1.1   rumble 				cache_enter(ap->a_dvp, NULL, cnp);
    107   1.1   rumble 			if (err == ENOENT && (nameiop == CREATE ||
    108   1.1   rumble 			    nameiop == RENAME)) {
    109   1.7   rumble 				err = VOP_ACCESS(ap->a_dvp, VWRITE,
    110  1.12    pooka 				    cnp->cn_cred);
    111   1.1   rumble 				if (err)
    112   1.1   rumble 					return (err);
    113   1.1   rumble 				return (EJUSTRETURN);
    114   1.1   rumble 			}
    115   1.1   rumble 			return (err);
    116   1.1   rumble 		}
    117   1.1   rumble 		err = VFS_VGET(ap->a_dvp->v_mount, ino, &vp);
    118   1.1   rumble 		if (err)
    119   1.1   rumble 			return (err);
    120   1.1   rumble 		*ap->a_vpp = vp;
    121   1.1   rumble 	}
    122   1.1   rumble 
    123  1.26    rmind 	cache_enter(ap->a_dvp, *ap->a_vpp, cnp);
    124   1.1   rumble 
    125  1.26    rmind 	return 0;
    126   1.1   rumble }
    127   1.1   rumble 
    128  1.19     elad static int
    129  1.19     elad efs_check_possible(struct vnode *vp, struct efs_inode *eip, mode_t mode)
    130  1.19     elad {
    131  1.19     elad 
    132  1.20    pooka 	if ((mode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY))
    133  1.19     elad 		return (EROFS);
    134  1.19     elad 
    135  1.19     elad 	return 0;
    136  1.19     elad }
    137  1.19     elad 
    138   1.1   rumble /*
    139   1.1   rumble  * Determine the accessiblity of a file based on the permissions allowed by the
    140   1.1   rumble  * specified credentials.
    141   1.1   rumble  *
    142   1.1   rumble  * Returns 0 on success.
    143   1.1   rumble  */
    144   1.1   rumble static int
    145  1.20    pooka efs_check_permitted(struct vnode *vp, struct efs_inode *eip, mode_t mode,
    146  1.19     elad     kauth_cred_t cred)
    147  1.19     elad {
    148  1.19     elad 
    149  1.25     elad 	return kauth_authorize_vnode(cred, kauth_access_action(mode,
    150  1.25     elad 	    vp->v_type, eip->ei_mode), vp, NULL, genfs_can_access(vp->v_type,
    151  1.25     elad 	    eip->ei_mode, eip->ei_uid, eip->ei_gid, mode, cred));
    152  1.19     elad }
    153  1.19     elad 
    154  1.19     elad static int
    155   1.1   rumble efs_access(void *v)
    156   1.1   rumble {
    157   1.1   rumble 	struct vop_access_args /* {
    158   1.1   rumble 		const struct vnodeop_desc *a_desc;
    159   1.1   rumble 		struct vnode *a_vp;
    160   1.1   rumble 		int a_mode;
    161   1.1   rumble 		struct ucred *a_cred;
    162   1.1   rumble 	} */ *ap = v;
    163   1.1   rumble 	struct vnode *vp = ap->a_vp;
    164   1.1   rumble 	struct efs_inode *eip = EFS_VTOI(vp);
    165  1.19     elad 	int error;
    166  1.19     elad 
    167  1.19     elad 	error = efs_check_possible(vp, eip, ap->a_mode);
    168  1.19     elad 	if (error)
    169  1.19     elad 		return error;
    170   1.1   rumble 
    171  1.19     elad 	error = efs_check_permitted(vp, eip, ap->a_mode, ap->a_cred);
    172   1.1   rumble 
    173  1.19     elad 	return error;
    174   1.1   rumble }
    175   1.1   rumble 
    176   1.1   rumble /*
    177   1.1   rumble  * Get specific vnode attributes on a file. See vattr(9).
    178   1.1   rumble  *
    179   1.1   rumble  * Returns 0 on success.
    180   1.1   rumble  */
    181   1.1   rumble static int
    182   1.1   rumble efs_getattr(void *v)
    183   1.1   rumble {
    184   1.1   rumble 	struct vop_getattr_args /* {
    185   1.1   rumble 		const struct vnodeop_desc *a_desc;
    186   1.1   rumble 		struct vnode *a_vp;
    187   1.1   rumble 		struct vattr *a_vap;
    188   1.1   rumble 		struct ucred *a_cred;
    189   1.1   rumble 	} */ *ap = v;
    190   1.1   rumble 
    191   1.1   rumble 	struct vattr *vap = ap->a_vap;
    192   1.1   rumble 	struct efs_inode *eip = EFS_VTOI(ap->a_vp);
    193   1.1   rumble 
    194   1.1   rumble 	vattr_null(ap->a_vap);
    195   1.1   rumble 	vap->va_type		= ap->a_vp->v_type;
    196   1.1   rumble 	vap->va_mode		= eip->ei_mode;
    197   1.1   rumble 	vap->va_nlink		= eip->ei_nlink;
    198   1.1   rumble 	vap->va_uid		= eip->ei_uid;
    199   1.1   rumble 	vap->va_gid		= eip->ei_gid;
    200   1.1   rumble 	vap->va_fsid 		= ap->a_vp->v_mount->mnt_stat.f_fsid;
    201   1.1   rumble 	vap->va_fileid 		= eip->ei_number;
    202   1.1   rumble 	vap->va_size 		= eip->ei_size;
    203   1.1   rumble 
    204   1.1   rumble 	if (ap->a_vp->v_type == VBLK)
    205   1.1   rumble 		vap->va_blocksize = BLKDEV_IOSIZE;
    206   1.1   rumble 	else if (ap->a_vp->v_type == VCHR)
    207   1.1   rumble 		vap->va_blocksize = MAXBSIZE;
    208   1.1   rumble 	else
    209   1.1   rumble 		vap->va_blocksize = EFS_BB_SIZE;
    210   1.1   rumble 
    211   1.1   rumble 	vap->va_atime.tv_sec	= eip->ei_atime;
    212   1.1   rumble 	vap->va_mtime.tv_sec	= eip->ei_mtime;
    213   1.1   rumble 	vap->va_ctime.tv_sec	= eip->ei_ctime;
    214   1.1   rumble /*	vap->va_birthtime 	= */
    215   1.1   rumble 	vap->va_gen		= eip->ei_gen;
    216  1.11       ad 	vap->va_flags		= ap->a_vp->v_vflag |
    217  1.11       ad 	    ap->a_vp->v_iflag | ap->a_vp->v_uflag;
    218   1.1   rumble 
    219   1.1   rumble 	if (ap->a_vp->v_type == VBLK || ap->a_vp->v_type == VCHR) {
    220   1.1   rumble 		uint32_t dmaj, dmin;
    221   1.1   rumble 
    222   1.1   rumble 		if (be16toh(eip->ei_di.di_odev) != EFS_DINODE_ODEV_INVALID) {
    223   1.1   rumble 			dmaj = EFS_DINODE_ODEV_MAJ(be16toh(eip->ei_di.di_odev));
    224   1.1   rumble 			dmin = EFS_DINODE_ODEV_MIN(be16toh(eip->ei_di.di_odev));
    225   1.1   rumble 		} else {
    226   1.1   rumble 			dmaj = EFS_DINODE_NDEV_MAJ(be32toh(eip->ei_di.di_ndev));
    227   1.1   rumble 			dmin = EFS_DINODE_NDEV_MIN(be32toh(eip->ei_di.di_ndev));
    228   1.1   rumble 		}
    229   1.1   rumble 
    230   1.1   rumble 		vap->va_rdev = makedev(dmaj, dmin);
    231   1.1   rumble 	}
    232   1.1   rumble 
    233   1.1   rumble 	vap->va_bytes		= eip->ei_size;
    234   1.1   rumble /*	vap->va_filerev		= */
    235   1.1   rumble /*	vap->va_vaflags		= */
    236   1.1   rumble 
    237   1.1   rumble 	return (0);
    238   1.1   rumble }
    239   1.1   rumble 
    240   1.1   rumble /*
    241   1.1   rumble  * Read a file.
    242   1.1   rumble  *
    243   1.1   rumble  * Returns 0 on success.
    244   1.1   rumble  */
    245   1.1   rumble static int
    246   1.1   rumble efs_read(void *v)
    247   1.1   rumble {
    248   1.1   rumble 	struct vop_read_args /* {
    249   1.1   rumble 		const struct vnodeop_desc *a_desc;
    250   1.1   rumble 		struct vnode *a_vp;
    251   1.1   rumble 		struct uio *a_uio;
    252   1.1   rumble 		int a_ioflag;
    253   1.1   rumble 		struct ucred *a_cred;
    254   1.1   rumble 	} */ *ap = v;
    255   1.1   rumble 	struct efs_extent ex;
    256   1.1   rumble 	struct efs_extent_iterator exi;
    257   1.1   rumble 	struct uio *uio = ap->a_uio;
    258   1.1   rumble 	struct efs_inode *eip = EFS_VTOI(ap->a_vp);
    259   1.1   rumble 	off_t start;
    260   1.1   rumble 	vsize_t len;
    261  1.16    pooka 	int err, ret;
    262   1.2   rumble 	const int advice = IO_ADV_DECODE(ap->a_ioflag);
    263   1.1   rumble 
    264   1.1   rumble 	if (ap->a_vp->v_type == VDIR)
    265   1.1   rumble 		return (EISDIR);
    266   1.1   rumble 
    267   1.1   rumble 	if (ap->a_vp->v_type != VREG)
    268   1.1   rumble 		return (EINVAL);
    269   1.1   rumble 
    270   1.3   rumble 	efs_extent_iterator_init(&exi, eip, uio->uio_offset);
    271   1.2   rumble 	ret = efs_extent_iterator_next(&exi, &ex);
    272   1.2   rumble 	while (ret == 0) {
    273   1.1   rumble 		if (uio->uio_offset < 0 || uio->uio_offset >= eip->ei_size ||
    274   1.1   rumble 		    uio->uio_resid == 0)
    275   1.1   rumble 			break;
    276   1.1   rumble 
    277   1.1   rumble 		start = ex.ex_offset * EFS_BB_SIZE;
    278   1.1   rumble 		len   = ex.ex_length * EFS_BB_SIZE;
    279   1.1   rumble 
    280   1.2   rumble 		if (!(uio->uio_offset >= start &&
    281   1.2   rumble 		      uio->uio_offset < (start + len))) {
    282   1.2   rumble 			ret = efs_extent_iterator_next(&exi, &ex);
    283   1.2   rumble 			continue;
    284   1.2   rumble 		}
    285   1.2   rumble 
    286   1.2   rumble 		start = uio->uio_offset - start;
    287   1.2   rumble 
    288   1.2   rumble 		len = MIN(len - start, uio->uio_resid);
    289   1.2   rumble 		len = MIN(len, eip->ei_size - uio->uio_offset);
    290   1.2   rumble 
    291  1.16    pooka 		err = ubc_uiomove(&ap->a_vp->v_uobj, uio, len, advice,
    292  1.16    pooka 		    UBC_READ | UBC_PARTIALOK | UBC_UNMAP_FLAG(ap->a_vp));
    293   1.2   rumble 		if (err) {
    294   1.2   rumble 			EFS_DPRINTF(("efs_read: uiomove error %d\n",
    295   1.2   rumble 			    err));
    296   1.2   rumble 			return (err);
    297   1.1   rumble 		}
    298   1.1   rumble 	}
    299   1.1   rumble 
    300   1.1   rumble 	return ((ret == -1) ? 0 : ret);
    301   1.1   rumble }
    302   1.1   rumble 
    303   1.1   rumble static int
    304   1.1   rumble efs_readdir(void *v)
    305   1.1   rumble {
    306   1.1   rumble 	struct vop_readdir_args /* {
    307   1.1   rumble 		const struct vnodeop_desc *a_desc;
    308   1.1   rumble 		struct vnode *a_vp;
    309   1.1   rumble 		struct uio *a_uio;
    310   1.1   rumble 		struct ucred *a_cred;
    311   1.1   rumble 		int *a_eofflag;
    312   1.1   rumble 		off_t **a_cookies;
    313   1.1   rumble 		int *a_ncookies;
    314   1.1   rumble 	} */ *ap = v;
    315   1.9   rumble 	struct dirent *dp;
    316   1.1   rumble 	struct efs_dinode edi;
    317   1.1   rumble 	struct efs_extent ex;
    318   1.1   rumble 	struct efs_extent_iterator exi;
    319   1.1   rumble 	struct buf *bp;
    320   1.1   rumble 	struct efs_dirent *de;
    321   1.1   rumble 	struct efs_dirblk *db;
    322   1.1   rumble 	struct uio *uio = ap->a_uio;
    323   1.1   rumble 	struct efs_inode *ei = EFS_VTOI(ap->a_vp);
    324   1.5   rumble 	off_t *cookies = NULL;
    325   1.1   rumble 	off_t offset;
    326   1.5   rumble 	int i, j, err, ret, s, slot, ncookies, maxcookies = 0;
    327   1.1   rumble 
    328   1.1   rumble 	if (ap->a_vp->v_type != VDIR)
    329   1.1   rumble 		return (ENOTDIR);
    330   1.1   rumble 
    331   1.5   rumble 	if (ap->a_eofflag != NULL)
    332   1.5   rumble 		*ap->a_eofflag = false;
    333   1.5   rumble 
    334   1.5   rumble 	if (ap->a_ncookies != NULL) {
    335   1.5   rumble 		ncookies = 0;
    336   1.6   rumble 		maxcookies =
    337   1.6   rumble 		    uio->uio_resid / _DIRENT_MINSIZE((struct dirent *)0);
    338   1.5   rumble 		cookies = malloc(maxcookies * sizeof(off_t), M_TEMP, M_WAITOK);
    339   1.5   rumble  	}
    340   1.5   rumble 
    341   1.9   rumble 	dp = malloc(sizeof(struct dirent), M_EFSTMP, M_WAITOK | M_ZERO);
    342   1.9   rumble 
    343   1.1   rumble 	offset = 0;
    344   1.3   rumble 	efs_extent_iterator_init(&exi, ei, 0);
    345   1.1   rumble 	while ((ret = efs_extent_iterator_next(&exi, &ex)) == 0) {
    346   1.3   rumble 		for (i = 0; i < ex.ex_length; i++) {
    347   1.3   rumble 			err = efs_bread(VFSTOEFS(ap->a_vp->v_mount),
    348   1.3   rumble 			    ex.ex_bn + i, NULL, &bp);
    349   1.3   rumble 			if (err) {
    350  1.10       ad 				brelse(bp, 0);
    351   1.5   rumble 				goto exit_err;
    352   1.3   rumble 			}
    353   1.1   rumble 
    354   1.3   rumble 			db = (struct efs_dirblk *)bp->b_data;
    355   1.1   rumble 
    356   1.1   rumble 			if (be16toh(db->db_magic) != EFS_DIRBLK_MAGIC) {
    357   1.1   rumble 				printf("efs_readdir: bad dirblk\n");
    358  1.10       ad 				brelse(bp, 0);
    359   1.1   rumble 				continue;
    360   1.1   rumble 			}
    361   1.1   rumble 
    362   1.1   rumble 			for (j = 0; j < db->db_slots; j++) {
    363   1.1   rumble 				slot = EFS_DIRENT_OFF_EXPND(db->db_space[j]);
    364   1.1   rumble 				if (slot == EFS_DIRBLK_SLOT_FREE)
    365   1.1   rumble 					continue;
    366   1.1   rumble 
    367   1.1   rumble 				if (!EFS_DIRENT_OFF_VALID(slot)) {
    368   1.1   rumble 					printf("efs_readdir: bad dirent\n");
    369   1.1   rumble 					continue;
    370   1.1   rumble 				}
    371   1.1   rumble 
    372   1.1   rumble 				de = EFS_DIRBLK_TO_DIRENT(db, slot);
    373   1.9   rumble 				s = _DIRENT_RECLEN(dp, de->de_namelen);
    374   1.1   rumble 
    375   1.1   rumble 				if (offset < uio->uio_offset) {
    376   1.1   rumble 					offset += s;
    377   1.1   rumble 					continue;
    378   1.1   rumble 				}
    379   1.1   rumble 
    380  1.10       ad 				/* XXX - shouldn't happen, right? */
    381  1.10       ad 				if (offset > uio->uio_offset ||
    382  1.10       ad 				    s > uio->uio_resid) {
    383  1.10       ad 					brelse(bp, 0);
    384   1.5   rumble 					goto exit_ok;
    385   1.1   rumble 				}
    386   1.1   rumble 
    387   1.8   rumble 				/* de_namelen is uint8_t, d.d_name is 512b */
    388   1.9   rumble 				KASSERT(sizeof(dp->d_name)-de->de_namelen > 0);
    389   1.9   rumble 				dp->d_fileno = be32toh(de->de_inumber);
    390   1.9   rumble 				dp->d_reclen = s;
    391   1.9   rumble 				dp->d_namlen = de->de_namelen;
    392   1.9   rumble 				memcpy(dp->d_name, de->de_name,
    393   1.1   rumble 				    de->de_namelen);
    394   1.9   rumble 				dp->d_name[de->de_namelen] = '\0';
    395   1.1   rumble 
    396   1.1   rumble 				/* look up inode to get type */
    397   1.1   rumble 				err = efs_read_inode(
    398   1.1   rumble 				    VFSTOEFS(ap->a_vp->v_mount),
    399   1.9   rumble 				    dp->d_fileno, NULL, &edi);
    400   1.1   rumble 				if (err) {
    401  1.10       ad 					brelse(bp, 0);
    402   1.5   rumble 					goto exit_err;
    403   1.1   rumble 				}
    404   1.1   rumble 
    405   1.1   rumble 				switch (be16toh(edi.di_mode) & EFS_IFMT) {
    406   1.1   rumble 				case EFS_IFIFO:
    407   1.9   rumble 					dp->d_type = DT_FIFO;
    408   1.1   rumble 					break;
    409   1.1   rumble 				case EFS_IFCHR:
    410   1.9   rumble 					dp->d_type = DT_CHR;
    411   1.1   rumble 					break;
    412   1.1   rumble 				case EFS_IFDIR:
    413   1.9   rumble 					dp->d_type = DT_DIR;
    414   1.1   rumble 					break;
    415   1.1   rumble 				case EFS_IFBLK:
    416   1.9   rumble 					dp->d_type = DT_BLK;
    417   1.1   rumble 					break;
    418   1.1   rumble 				case EFS_IFREG:
    419   1.9   rumble 					dp->d_type = DT_REG;
    420   1.1   rumble 					break;
    421   1.1   rumble 				case EFS_IFLNK:
    422   1.9   rumble 					dp->d_type = DT_LNK;
    423   1.1   rumble 					break;
    424   1.1   rumble 				case EFS_IFSOCK:
    425   1.9   rumble 					dp->d_type = DT_SOCK;
    426   1.1   rumble 					break;
    427   1.1   rumble 				default:
    428   1.9   rumble 					dp->d_type = DT_UNKNOWN;
    429   1.1   rumble 					break;
    430   1.1   rumble 				}
    431   1.1   rumble 
    432   1.9   rumble 				err = uiomove(dp, s, uio);
    433   1.1   rumble 				if (err) {
    434  1.10       ad 					brelse(bp, 0);
    435  1.10       ad 					goto exit_err;
    436   1.1   rumble 				}
    437   1.1   rumble 
    438   1.1   rumble 				offset += s;
    439   1.5   rumble 
    440   1.5   rumble 				if (cookies != NULL && maxcookies != 0) {
    441   1.5   rumble 					cookies[ncookies++] = offset;
    442   1.5   rumble 					if (ncookies == maxcookies) {
    443  1.10       ad 						brelse(bp, 0);
    444   1.5   rumble 						goto exit_ok;
    445   1.5   rumble 					}
    446   1.5   rumble 				}
    447   1.1   rumble 			}
    448   1.3   rumble 
    449  1.10       ad 			brelse(bp, 0);
    450   1.1   rumble 		}
    451   1.1   rumble 	}
    452   1.1   rumble 
    453   1.5   rumble 	if (ret != -1) {
    454   1.5   rumble 		err = ret;
    455   1.5   rumble 		goto exit_err;
    456   1.5   rumble 	}
    457   1.1   rumble 
    458   1.1   rumble 	if (ap->a_eofflag != NULL)
    459   1.1   rumble 		*ap->a_eofflag = true;
    460   1.1   rumble 
    461   1.5   rumble  exit_ok:
    462   1.5   rumble 	if (cookies != NULL) {
    463   1.5   rumble 		*ap->a_cookies = cookies;
    464   1.5   rumble 		*ap->a_ncookies = ncookies;
    465   1.5   rumble 	}
    466   1.5   rumble 
    467   1.5   rumble 	uio->uio_offset = offset;
    468   1.5   rumble 
    469   1.9   rumble 	free(dp, M_EFSTMP);
    470   1.9   rumble 
    471   1.1   rumble 	return (0);
    472   1.5   rumble 
    473   1.5   rumble  exit_err:
    474   1.5   rumble 	if (cookies != NULL)
    475   1.5   rumble 		free(cookies, M_TEMP);
    476   1.9   rumble 
    477   1.9   rumble 	free(dp, M_EFSTMP);
    478   1.5   rumble 
    479   1.5   rumble 	return (err);
    480   1.1   rumble }
    481   1.1   rumble 
    482   1.1   rumble static int
    483   1.1   rumble efs_readlink(void *v)
    484   1.1   rumble {
    485   1.1   rumble 	struct vop_readlink_args /* {
    486   1.1   rumble 		const struct vnodeop_desc *a_desc;
    487   1.1   rumble 		struct vnode *a_vp;
    488   1.1   rumble 		struct uio *a_uio;
    489   1.1   rumble 		struct ucred *a_cred;
    490   1.1   rumble 	} */ *ap = v;
    491   1.1   rumble 	struct uio *uio = ap->a_uio;
    492   1.1   rumble 	struct efs_inode *eip = EFS_VTOI(ap->a_vp);
    493   1.1   rumble 	char *buf;
    494   1.1   rumble 	size_t len;
    495   1.3   rumble 	int err, i;
    496   1.1   rumble 
    497   1.1   rumble 	if ((eip->ei_mode & EFS_IFMT) != EFS_IFLNK)
    498   1.1   rumble 		return (EINVAL);
    499   1.1   rumble 
    500   1.1   rumble 	if (uio->uio_resid < 1)
    501   1.1   rumble 		return (EINVAL);
    502   1.1   rumble 
    503   1.1   rumble 	buf = malloc(eip->ei_size + 1, M_EFSTMP, M_ZERO | M_WAITOK);
    504   1.1   rumble 
    505   1.1   rumble 	/* symlinks are either inlined in the inode, or in extents */
    506   1.1   rumble 	if (eip->ei_numextents == 0) {
    507   1.1   rumble 		if (eip->ei_size > sizeof(eip->ei_di.di_symlink)) {
    508   1.1   rumble 			EFS_DPRINTF(("efs_readlink: too big for inline\n"));
    509   1.1   rumble 			free(buf, M_EFSTMP);
    510   1.1   rumble 			return (EBADF);
    511   1.1   rumble 		}
    512   1.1   rumble 
    513   1.1   rumble 		memcpy(buf, eip->ei_di.di_symlink, eip->ei_size);
    514   1.1   rumble 		len = MIN(uio->uio_resid, eip->ei_size + 1);
    515   1.1   rumble 	} else {
    516   1.3   rumble 		struct efs_extent_iterator exi;
    517   1.1   rumble 		struct efs_extent ex;
    518   1.1   rumble 		struct buf *bp;
    519   1.3   rumble 		int resid, off, ret;
    520   1.3   rumble 
    521   1.3   rumble 		off = 0;
    522   1.3   rumble 		resid = eip->ei_size;
    523   1.3   rumble 
    524   1.3   rumble 		efs_extent_iterator_init(&exi, eip, 0);
    525   1.3   rumble 		while ((ret = efs_extent_iterator_next(&exi, &ex)) == 0) {
    526   1.3   rumble 			for (i = 0; i < ex.ex_length; i++) {
    527   1.3   rumble 				err = efs_bread(VFSTOEFS(ap->a_vp->v_mount),
    528   1.3   rumble 				    ex.ex_bn + i, NULL, &bp);
    529   1.3   rumble 				if (err) {
    530  1.10       ad 					brelse(bp, 0);
    531   1.3   rumble 					free(buf, M_EFSTMP);
    532   1.3   rumble 					return (err);
    533   1.3   rumble 				}
    534   1.3   rumble 
    535   1.3   rumble 				len = MIN(resid, bp->b_bcount);
    536   1.3   rumble 				memcpy(buf + off, bp->b_data, len);
    537  1.10       ad 				brelse(bp, 0);
    538   1.3   rumble 
    539   1.3   rumble 				off += len;
    540   1.3   rumble 				resid -= len;
    541   1.1   rumble 
    542   1.3   rumble 				if (resid == 0)
    543   1.3   rumble 					break;
    544   1.3   rumble 			}
    545   1.3   rumble 
    546   1.3   rumble 			if (resid == 0)
    547   1.3   rumble 				break;
    548   1.3   rumble 		}
    549   1.3   rumble 
    550   1.3   rumble 		if (ret != 0 && ret != -1) {
    551   1.1   rumble 			free(buf, M_EFSTMP);
    552   1.3   rumble 			return (ret);
    553   1.1   rumble 		}
    554   1.1   rumble 
    555   1.3   rumble 		len = off + 1;
    556   1.3   rumble 	}
    557   1.1   rumble 
    558   1.3   rumble 	KASSERT(len >= 1 && len <= (eip->ei_size + 1));
    559   1.3   rumble 	buf[len - 1] = '\0';
    560   1.3   rumble 	err = uiomove(buf, len, uio);
    561   1.3   rumble 	free(buf, M_EFSTMP);
    562   1.1   rumble 
    563   1.3   rumble 	return (err);
    564   1.1   rumble }
    565   1.1   rumble 
    566   1.1   rumble /*
    567   1.1   rumble  * Release an inactive vnode. The vnode _must_ be unlocked on return.
    568   1.1   rumble  * It is either nolonger being used by the kernel, or an unmount is being
    569   1.1   rumble  * forced.
    570   1.1   rumble  *
    571   1.1   rumble  * Returns 0 on success.
    572   1.1   rumble  */
    573   1.1   rumble static int
    574   1.1   rumble efs_inactive(void *v)
    575   1.1   rumble {
    576   1.1   rumble 	struct vop_inactive_args /* {
    577   1.1   rumble 		const struct vnodeop_desc *a_desc;
    578   1.1   rumble 		struct vnode *a_vp;
    579  1.13       ad 		bool *a_recycle
    580   1.1   rumble 	} */ *ap = v;
    581   1.1   rumble 	struct efs_inode *eip = EFS_VTOI(ap->a_vp);
    582   1.1   rumble 
    583  1.13       ad 	*ap->a_recycle = (eip->ei_mode == 0);
    584  1.22  hannken 	VOP_UNLOCK(ap->a_vp);
    585   1.1   rumble 
    586   1.1   rumble 	return (0);
    587   1.1   rumble }
    588   1.1   rumble 
    589   1.1   rumble static int
    590   1.1   rumble efs_reclaim(void *v)
    591   1.1   rumble {
    592   1.1   rumble 	struct vop_reclaim_args /* {
    593   1.1   rumble 		const struct vnodeop_desc *a_desc;
    594   1.1   rumble 		struct vnode *a_vp;
    595   1.1   rumble 	} */ *ap = v;
    596   1.1   rumble 	struct vnode *vp = ap->a_vp;
    597   1.1   rumble 
    598   1.1   rumble 	efs_ihashrem(EFS_VTOI(vp));
    599   1.1   rumble 	genfs_node_destroy(vp);
    600   1.1   rumble 	pool_put(&efs_inode_pool, vp->v_data);
    601   1.1   rumble 	vp->v_data = NULL;
    602   1.1   rumble 
    603   1.1   rumble 	return (0);
    604   1.1   rumble }
    605   1.1   rumble 
    606   1.1   rumble static int
    607   1.1   rumble efs_bmap(void *v)
    608   1.1   rumble {
    609   1.1   rumble 	struct vop_bmap_args /* {
    610   1.1   rumble 		const struct vnodeop_desc *a_desc;
    611   1.1   rumble 		struct vnode *a_vp;
    612   1.1   rumble 		daddr_t a_bn;
    613   1.1   rumble 		struct vnode **a_vpp;
    614   1.1   rumble 		daddr_t *a_bnp;
    615   1.1   rumble 		int *a_runp;
    616   1.1   rumble 	} */ *ap = v;
    617   1.1   rumble 	struct efs_extent ex;
    618   1.1   rumble 	struct efs_extent_iterator exi;
    619   1.1   rumble 	struct vnode *vp = ap->a_vp;
    620   1.1   rumble 	struct efs_inode *eip = EFS_VTOI(vp);
    621   1.1   rumble 	bool found;
    622   1.1   rumble 	int ret;
    623   1.1   rumble 
    624   1.1   rumble 	if (ap->a_vpp != NULL)
    625   1.1   rumble 		*ap->a_vpp = VFSTOEFS(vp->v_mount)->em_devvp;
    626   1.1   rumble 
    627   1.1   rumble 	found = false;
    628   1.3   rumble 	efs_extent_iterator_init(&exi, eip, ap->a_bn * EFS_BB_SIZE);
    629   1.1   rumble 	while ((ret = efs_extent_iterator_next(&exi, &ex)) == 0) {
    630   1.1   rumble 		if (ap->a_bn >= ex.ex_offset &&
    631   1.1   rumble 		    ap->a_bn < (ex.ex_offset + ex.ex_length)) {
    632   1.1   rumble 			found = true;
    633   1.1   rumble 			break;
    634   1.1   rumble 		}
    635   1.1   rumble 	}
    636   1.1   rumble 
    637   1.1   rumble 	KASSERT(!found || (found && ret == 0));
    638   1.1   rumble 
    639   1.1   rumble 	if (!found) {
    640   1.1   rumble 		EFS_DPRINTF(("efs_bmap: ap->a_bn not in extents\n"));
    641   1.1   rumble 		return ((ret == -1) ? EIO : ret);
    642   1.1   rumble 	}
    643   1.1   rumble 
    644   1.1   rumble 	if (ex.ex_magic != EFS_EXTENT_MAGIC) {
    645   1.1   rumble 		EFS_DPRINTF(("efs_bmap: exn.ex_magic != EFS_EXTENT_MAGIC\n"));
    646   1.1   rumble 		return (EIO);
    647   1.1   rumble 	}
    648   1.1   rumble 
    649   1.1   rumble 	if (ap->a_bn < ex.ex_offset) {
    650   1.1   rumble 		EFS_DPRINTF(("efs_bmap: ap->a_bn < exn.ex_offset\n"));
    651   1.1   rumble 		return (EIO);
    652   1.1   rumble 	}
    653   1.1   rumble 
    654   1.1   rumble 	KASSERT(ap->a_bn >= ex.ex_offset);
    655   1.1   rumble 	KASSERT(ex.ex_length > ap->a_bn - ex.ex_offset);
    656   1.1   rumble 
    657   1.1   rumble 	*ap->a_bnp = ex.ex_bn + (ap->a_bn - ex.ex_offset);
    658   1.1   rumble 	if (ap->a_runp != NULL)
    659   1.1   rumble 		*ap->a_runp = ex.ex_length - (ap->a_bn - ex.ex_offset) - 1;
    660   1.1   rumble 
    661   1.1   rumble 	return (0);
    662   1.1   rumble }
    663   1.1   rumble 
    664   1.1   rumble static int
    665   1.1   rumble efs_strategy(void *v)
    666   1.1   rumble {
    667   1.1   rumble 	struct vop_strategy_args /* {
    668   1.1   rumble 		const struct vnodeop_desc *a_desc;
    669   1.1   rumble 		struct vnode *a_vp;
    670   1.1   rumble 		struct buf *a_bp;
    671   1.1   rumble 	} */ *ap = v;
    672   1.1   rumble 	struct vnode *vp = ap->a_vp;
    673   1.1   rumble 	struct buf *bp = ap->a_bp;
    674   1.1   rumble 	int error;
    675   1.1   rumble 
    676   1.1   rumble 	if (vp == NULL) {
    677   1.4       ad 		bp->b_error = EIO;
    678   1.1   rumble 		biodone(bp);
    679   1.1   rumble 		return (EIO);
    680   1.1   rumble 	}
    681   1.1   rumble 
    682   1.1   rumble 	if (bp->b_blkno == bp->b_lblkno) {
    683   1.1   rumble 		error = VOP_BMAP(vp, bp->b_lblkno, NULL, &bp->b_blkno, NULL);
    684   1.1   rumble 		if (error) {
    685   1.4       ad 			bp->b_error = error;
    686   1.1   rumble 			biodone(bp);
    687   1.1   rumble 			return (error);
    688   1.1   rumble 		}
    689   1.1   rumble 		if ((long)bp->b_blkno == -1)
    690   1.1   rumble 			clrbuf(bp);
    691   1.1   rumble 	}
    692   1.1   rumble 
    693   1.1   rumble 	if ((long)bp->b_blkno == -1) {
    694   1.1   rumble 		biodone(bp);
    695   1.1   rumble 		return (0);
    696   1.1   rumble 	}
    697   1.1   rumble 
    698   1.1   rumble 	return (VOP_STRATEGY(VFSTOEFS(vp->v_mount)->em_devvp, bp));
    699   1.1   rumble }
    700   1.1   rumble 
    701   1.1   rumble static int
    702   1.1   rumble efs_print(void *v)
    703   1.1   rumble {
    704   1.1   rumble 	struct vop_print_args /* {
    705   1.1   rumble 		const struct vnodeop_desc *a_desc;
    706   1.1   rumble 		struct vnode *a_vp;
    707   1.1   rumble 	} */ *ap = v;
    708   1.1   rumble 	struct efs_inode *eip = EFS_VTOI(ap->a_vp);
    709   1.1   rumble 
    710   1.1   rumble 	printf(	"efs_inode (ino %lu):\n"
    711   1.1   rumble 		"    ei_mode:         %07o\n"
    712   1.1   rumble 		"    ei_nlink:        %d\n"
    713   1.1   rumble 		"    ei_uid:          %d\n"
    714   1.1   rumble 		"    ei_gid:          %d\n"
    715   1.1   rumble 		"    ei_size:         %d\n"
    716   1.1   rumble 		"    ei_atime:        %d\n"
    717   1.1   rumble 		"    ei_mtime:        %d\n"
    718   1.1   rumble 		"    ei_ctime:        %d\n"
    719   1.1   rumble 		"    ei_gen:          %d\n"
    720   1.1   rumble 		"    ei_numextents:   %d\n"
    721   1.1   rumble 		"    ei_version:      %d\n",
    722   1.1   rumble 		(unsigned long)eip->ei_number,
    723   1.1   rumble 		(unsigned int)eip->ei_mode,
    724   1.1   rumble 		eip->ei_nlink,
    725   1.1   rumble 		eip->ei_uid,
    726   1.1   rumble 		eip->ei_gid,
    727   1.1   rumble 		eip->ei_size,
    728   1.1   rumble 		(int32_t)eip->ei_atime,
    729   1.1   rumble 		(int32_t)eip->ei_mtime,
    730   1.1   rumble 		(int32_t)eip->ei_ctime,
    731   1.1   rumble 		eip->ei_gen,
    732   1.1   rumble 		eip->ei_numextents,
    733   1.1   rumble 		eip->ei_version);
    734   1.1   rumble 
    735   1.1   rumble 	return (0);
    736   1.1   rumble }
    737   1.1   rumble 
    738   1.1   rumble static int
    739   1.1   rumble efs_pathconf(void *v)
    740   1.1   rumble {
    741   1.1   rumble 	struct vop_pathconf_args /* {
    742   1.1   rumble 		const struct vnodeop_desc *a_desc;
    743   1.1   rumble 		struct vnode *a_vp;
    744   1.1   rumble 		int a_name;
    745   1.1   rumble 		register_t *a_retval;
    746   1.1   rumble 	} */ *ap = v;
    747   1.1   rumble 
    748   1.1   rumble 	/* IRIX 4 values */
    749   1.1   rumble 	switch (ap->a_name) {
    750   1.1   rumble 	case _PC_LINK_MAX:
    751   1.1   rumble 		*ap->a_retval = 30000;
    752   1.1   rumble 		break;
    753   1.1   rumble 	case _PC_NAME_MAX:
    754   1.1   rumble 		*ap->a_retval = 255;
    755   1.1   rumble 		break;
    756   1.1   rumble 	case _PC_PATH_MAX:
    757   1.1   rumble 		*ap->a_retval = 1024;
    758   1.1   rumble 		break;
    759   1.1   rumble 	case _PC_NO_TRUNC:
    760   1.1   rumble 		*ap->a_retval = 1;
    761   1.1   rumble 		break;
    762   1.1   rumble 	case _PC_CHOWN_RESTRICTED:
    763   1.1   rumble 		*ap->a_retval = 1;
    764   1.1   rumble 		break;
    765   1.1   rumble 	case _PC_SYNC_IO:
    766   1.1   rumble 		*ap->a_retval = 1;
    767   1.1   rumble 		break;
    768   1.1   rumble 	case _PC_FILESIZEBITS:
    769   1.1   rumble 		*ap->a_retval = 32;
    770   1.1   rumble 		break;
    771   1.1   rumble 	default:
    772   1.1   rumble 		return (EINVAL);
    773   1.1   rumble 	}
    774   1.1   rumble 
    775   1.1   rumble 	return (0);
    776   1.1   rumble }
    777   1.1   rumble 
    778   1.1   rumble static int
    779   1.1   rumble efs_advlock(void *v)
    780   1.1   rumble {
    781   1.1   rumble 	struct vop_advlock_args /* {
    782   1.1   rumble 		const struct vnodeop_desc *a_desc;
    783   1.1   rumble 		struct vnode *a_vp;
    784   1.1   rumble 		void *a_id;
    785   1.1   rumble 		int a_op;
    786   1.1   rumble 		struct flock *a_fl;
    787   1.1   rumble 		int a_flags;
    788   1.1   rumble 	} */ *ap = v;
    789   1.1   rumble 	struct efs_inode *eip = EFS_VTOI(ap->a_vp);
    790   1.1   rumble 
    791   1.1   rumble 	return (lf_advlock(ap, &eip->ei_lockf, eip->ei_size));
    792   1.1   rumble }
    793   1.1   rumble 
    794   1.1   rumble /* Global vfs data structures for efs */
    795   1.1   rumble int (**efs_vnodeop_p)(void *);
    796   1.1   rumble const struct vnodeopv_entry_desc efs_vnodeop_entries[] = {
    797   1.1   rumble 	{ &vop_default_desc,	vn_default_error},	/* error handler */
    798   1.1   rumble 	{ &vop_lookup_desc,	efs_lookup	},	/* lookup */
    799   1.1   rumble 	{ &vop_create_desc,	genfs_eopnotsupp},	/* create */
    800   1.1   rumble 	{ &vop_mknod_desc,	genfs_eopnotsupp},	/* mknod */
    801   1.1   rumble 	{ &vop_open_desc,	genfs_nullop	},	/* open */
    802   1.1   rumble 	{ &vop_close_desc,	genfs_nullop	},	/* close */
    803   1.1   rumble 	{ &vop_access_desc,	efs_access	},	/* access */
    804   1.1   rumble 	{ &vop_getattr_desc,	efs_getattr	},	/* getattr */
    805   1.1   rumble 	{ &vop_setattr_desc,	genfs_eopnotsupp},	/* setattr */
    806   1.1   rumble 	{ &vop_read_desc,	efs_read	},	/* read */
    807   1.1   rumble 	{ &vop_write_desc,	genfs_eopnotsupp},	/* write */
    808   1.1   rumble 	{ &vop_ioctl_desc,	genfs_enoioctl	},	/* ioctl */
    809   1.1   rumble 	{ &vop_fcntl_desc,	genfs_fcntl	},	/* fcntl */
    810   1.1   rumble 	{ &vop_poll_desc,	genfs_poll	},	/* poll */
    811   1.1   rumble 	{ &vop_kqfilter_desc,	genfs_kqfilter	},	/* kqfilter */
    812   1.1   rumble 	{ &vop_revoke_desc,	genfs_revoke	},	/* revoke */
    813   1.1   rumble 	{ &vop_mmap_desc,	genfs_mmap	},	/* mmap */
    814   1.1   rumble 	{ &vop_fsync_desc,	genfs_eopnotsupp},	/* fsync */
    815   1.1   rumble 	{ &vop_seek_desc,	genfs_seek	},	/* seek */
    816   1.1   rumble 	{ &vop_remove_desc,	genfs_eopnotsupp},	/* remove */
    817   1.1   rumble 	{ &vop_link_desc,	genfs_eopnotsupp},	/* link */
    818   1.1   rumble 	{ &vop_rename_desc,	genfs_eopnotsupp},	/* rename */
    819   1.1   rumble 	{ &vop_mkdir_desc,	genfs_eopnotsupp},	/* mkdir */
    820   1.1   rumble 	{ &vop_rmdir_desc,	genfs_eopnotsupp},	/* rmdir */
    821   1.1   rumble 	{ &vop_symlink_desc,	genfs_eopnotsupp},	/* symlink */
    822   1.1   rumble 	{ &vop_readdir_desc,	efs_readdir	},	/* readdir */
    823   1.1   rumble 	{ &vop_readlink_desc,	efs_readlink	},	/* readlink */
    824   1.1   rumble 	{ &vop_abortop_desc,	genfs_abortop	},	/* abortop */
    825   1.1   rumble 	{ &vop_inactive_desc,	efs_inactive	},	/* inactive */
    826   1.1   rumble 	{ &vop_reclaim_desc,	efs_reclaim	},	/* reclaim */
    827   1.1   rumble 	{ &vop_lock_desc,	genfs_lock,	},	/* lock */
    828   1.1   rumble 	{ &vop_unlock_desc,	genfs_unlock,	},	/* unlock */
    829   1.1   rumble 	{ &vop_islocked_desc,	genfs_islocked,	},	/* islocked */
    830   1.1   rumble 	{ &vop_bmap_desc,	efs_bmap	},	/* bmap */
    831   1.1   rumble 	{ &vop_print_desc,	efs_print	},	/* print */
    832   1.1   rumble 	{ &vop_pathconf_desc,	efs_pathconf	},	/* pathconf */
    833   1.1   rumble 	{ &vop_advlock_desc,	efs_advlock	},	/* advlock */
    834   1.1   rumble 							/* blkatoff */
    835   1.1   rumble 							/* valloc */
    836   1.1   rumble 							/* balloc */
    837   1.1   rumble 							/* vfree */
    838   1.1   rumble 							/* truncate */
    839   1.1   rumble 							/* whiteout */
    840   1.1   rumble 	{ &vop_getpages_desc,	genfs_getpages	},	/* getpages */
    841   1.1   rumble 	{ &vop_putpages_desc,	genfs_putpages	},	/* putpages */
    842   1.1   rumble 	{ &vop_bwrite_desc,	vn_bwrite	},	/* bwrite */
    843   1.1   rumble 	{ &vop_strategy_desc,	efs_strategy	},	/* strategy */
    844   1.1   rumble 	{ NULL, NULL }
    845   1.1   rumble };
    846   1.1   rumble const struct vnodeopv_desc efs_vnodeop_opv_desc = {
    847   1.1   rumble 	&efs_vnodeop_p,
    848   1.1   rumble 	efs_vnodeop_entries
    849   1.1   rumble };
    850  1.17    pooka 
    851  1.17    pooka int (**efs_specop_p)(void *);
    852  1.17    pooka const struct vnodeopv_entry_desc efs_specop_entries[] = {
    853  1.17    pooka 	{ &vop_default_desc,	vn_default_error},	/* error handler */
    854  1.17    pooka 	{ &vop_lookup_desc,	spec_lookup	},	/* lookup */
    855  1.17    pooka 	{ &vop_create_desc,	spec_create	},	/* create */
    856  1.17    pooka 	{ &vop_mknod_desc,	spec_mknod	},	/* mknod */
    857  1.17    pooka 	{ &vop_open_desc,	spec_open	},	/* open */
    858  1.17    pooka 	{ &vop_close_desc,	spec_close	},	/* close */
    859  1.17    pooka 	{ &vop_access_desc,	efs_access	},	/* access */
    860  1.17    pooka 	{ &vop_getattr_desc,	efs_getattr	},	/* getattr */
    861  1.17    pooka 	{ &vop_setattr_desc,	genfs_eopnotsupp},	/* setattr */
    862  1.17    pooka 	{ &vop_read_desc,	spec_read	},	/* read */
    863  1.17    pooka 	{ &vop_write_desc,	spec_write	},	/* write */
    864  1.17    pooka 	{ &vop_ioctl_desc,	spec_ioctl	},	/* ioctl */
    865  1.17    pooka 	{ &vop_fcntl_desc,	genfs_fcntl	},	/* fcntl */
    866  1.17    pooka 	{ &vop_poll_desc,	spec_poll	},	/* poll */
    867  1.17    pooka 	{ &vop_kqfilter_desc,	spec_kqfilter	},	/* kqfilter */
    868  1.17    pooka 	{ &vop_revoke_desc,	spec_revoke	},	/* revoke */
    869  1.17    pooka 	{ &vop_mmap_desc,	spec_mmap	},	/* mmap */
    870  1.17    pooka 	{ &vop_fsync_desc,	spec_fsync	},	/* fsync */
    871  1.17    pooka 	{ &vop_seek_desc,	spec_seek	},	/* seek */
    872  1.17    pooka 	{ &vop_remove_desc,	spec_remove	},	/* remove */
    873  1.17    pooka 	{ &vop_link_desc,	spec_link	},	/* link */
    874  1.17    pooka 	{ &vop_rename_desc,	spec_rename	},	/* rename */
    875  1.17    pooka 	{ &vop_mkdir_desc,	spec_mkdir	},	/* mkdir */
    876  1.17    pooka 	{ &vop_rmdir_desc,	spec_rmdir	},	/* rmdir */
    877  1.17    pooka 	{ &vop_symlink_desc,	spec_symlink	},	/* symlink */
    878  1.17    pooka 	{ &vop_readdir_desc,	spec_readdir	},	/* readdir */
    879  1.17    pooka 	{ &vop_readlink_desc,	spec_readlink	},	/* readlink */
    880  1.17    pooka 	{ &vop_abortop_desc,	spec_abortop	},	/* abortop */
    881  1.17    pooka 	{ &vop_inactive_desc,	efs_inactive	},	/* inactive */
    882  1.17    pooka 	{ &vop_reclaim_desc,	efs_reclaim	},	/* reclaim */
    883  1.17    pooka 	{ &vop_lock_desc,	genfs_lock,	},	/* lock */
    884  1.17    pooka 	{ &vop_unlock_desc,	genfs_unlock,	},	/* unlock */
    885  1.17    pooka 	{ &vop_islocked_desc,	genfs_islocked,	},	/* islocked */
    886  1.17    pooka 	{ &vop_bmap_desc,	spec_bmap	},	/* bmap */
    887  1.17    pooka 	{ &vop_print_desc,	efs_print	},	/* print */
    888  1.17    pooka 	{ &vop_pathconf_desc,	spec_pathconf	},	/* pathconf */
    889  1.17    pooka 	{ &vop_advlock_desc,	spec_advlock	},	/* advlock */
    890  1.17    pooka 							/* blkatoff */
    891  1.17    pooka 							/* valloc */
    892  1.17    pooka 							/* balloc */
    893  1.17    pooka 							/* vfree */
    894  1.17    pooka 							/* truncate */
    895  1.17    pooka 							/* whiteout */
    896  1.17    pooka 	{ &vop_getpages_desc,	spec_getpages	},	/* getpages */
    897  1.17    pooka 	{ &vop_putpages_desc,	spec_putpages	},	/* putpages */
    898  1.17    pooka 	{ &vop_bwrite_desc,	vn_bwrite	},	/* bwrite */
    899  1.17    pooka 	{ &vop_strategy_desc,	spec_strategy	},	/* strategy */
    900  1.17    pooka 	{ NULL, NULL }
    901  1.17    pooka };
    902  1.17    pooka const struct vnodeopv_desc efs_specop_opv_desc = {
    903  1.17    pooka 	&efs_specop_p,
    904  1.17    pooka 	efs_specop_entries
    905  1.17    pooka };
    906  1.17    pooka 
    907  1.17    pooka int (**efs_fifoop_p)(void *);
    908  1.17    pooka const struct vnodeopv_entry_desc efs_fifoop_entries[] = {
    909  1.17    pooka 	{ &vop_default_desc,	vn_default_error},	/* error handler */
    910  1.21    pooka 	{ &vop_lookup_desc,	vn_fifo_bypass	},	/* lookup */
    911  1.21    pooka 	{ &vop_create_desc,	vn_fifo_bypass	},	/* create */
    912  1.21    pooka 	{ &vop_mknod_desc,	vn_fifo_bypass	},	/* mknod */
    913  1.21    pooka 	{ &vop_open_desc,	vn_fifo_bypass	},	/* open */
    914  1.21    pooka 	{ &vop_close_desc,	vn_fifo_bypass	},	/* close */
    915  1.17    pooka 	{ &vop_access_desc,	efs_access	},	/* access */
    916  1.17    pooka 	{ &vop_getattr_desc,	efs_getattr	},	/* getattr */
    917  1.17    pooka 	{ &vop_setattr_desc,	genfs_eopnotsupp},	/* setattr */
    918  1.21    pooka 	{ &vop_read_desc,	vn_fifo_bypass	},	/* read */
    919  1.21    pooka 	{ &vop_write_desc,	vn_fifo_bypass	},	/* write */
    920  1.21    pooka 	{ &vop_ioctl_desc,	vn_fifo_bypass	},	/* ioctl */
    921  1.17    pooka 	{ &vop_fcntl_desc,	genfs_fcntl	},	/* fcntl */
    922  1.21    pooka 	{ &vop_poll_desc,	vn_fifo_bypass	},	/* poll */
    923  1.21    pooka 	{ &vop_kqfilter_desc,	vn_fifo_bypass	},	/* kqfilter */
    924  1.21    pooka 	{ &vop_revoke_desc,	vn_fifo_bypass	},	/* revoke */
    925  1.21    pooka 	{ &vop_mmap_desc,	vn_fifo_bypass	},	/* mmap */
    926  1.21    pooka 	{ &vop_fsync_desc,	vn_fifo_bypass	},	/* fsync */
    927  1.21    pooka 	{ &vop_seek_desc,	vn_fifo_bypass	},	/* seek */
    928  1.21    pooka 	{ &vop_remove_desc,	vn_fifo_bypass	},	/* remove */
    929  1.21    pooka 	{ &vop_link_desc,	vn_fifo_bypass	},	/* link */
    930  1.21    pooka 	{ &vop_rename_desc,	vn_fifo_bypass	},	/* rename */
    931  1.21    pooka 	{ &vop_mkdir_desc,	vn_fifo_bypass	},	/* mkdir */
    932  1.21    pooka 	{ &vop_rmdir_desc,	vn_fifo_bypass	},	/* rmdir */
    933  1.21    pooka 	{ &vop_symlink_desc,	vn_fifo_bypass	},	/* symlink */
    934  1.21    pooka 	{ &vop_readdir_desc,	vn_fifo_bypass	},	/* readdir */
    935  1.21    pooka 	{ &vop_readlink_desc,	vn_fifo_bypass	},	/* readlink */
    936  1.21    pooka 	{ &vop_abortop_desc,	vn_fifo_bypass	},	/* abortop */
    937  1.17    pooka 	{ &vop_inactive_desc,	efs_inactive	},	/* inactive */
    938  1.17    pooka 	{ &vop_reclaim_desc,	efs_reclaim	},	/* reclaim */
    939  1.17    pooka 	{ &vop_lock_desc,	genfs_lock,	},	/* lock */
    940  1.17    pooka 	{ &vop_unlock_desc,	genfs_unlock,	},	/* unlock */
    941  1.17    pooka 	{ &vop_islocked_desc,	genfs_islocked,	},	/* islocked */
    942  1.21    pooka 	{ &vop_bmap_desc,	vn_fifo_bypass	},	/* bmap */
    943  1.17    pooka 	{ &vop_print_desc,	efs_print	},	/* print */
    944  1.21    pooka 	{ &vop_pathconf_desc,	vn_fifo_bypass	},	/* pathconf */
    945  1.21    pooka 	{ &vop_advlock_desc,	vn_fifo_bypass	},	/* advlock */
    946  1.17    pooka 							/* blkatoff */
    947  1.17    pooka 							/* valloc */
    948  1.17    pooka 							/* balloc */
    949  1.17    pooka 							/* vfree */
    950  1.17    pooka 							/* truncate */
    951  1.17    pooka 							/* whiteout */
    952  1.17    pooka 	{ &vop_bwrite_desc,	vn_bwrite	},	/* bwrite */
    953  1.21    pooka 	{ &vop_strategy_desc,	vn_fifo_bypass	},	/* strategy */
    954  1.17    pooka 	{ NULL, NULL }
    955  1.17    pooka };
    956  1.17    pooka const struct vnodeopv_desc efs_fifoop_opv_desc = {
    957  1.17    pooka 	&efs_fifoop_p,
    958  1.17    pooka 	efs_fifoop_entries
    959  1.17    pooka };
    960