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efs_vnops.c revision 1.12
      1  1.12   pooka /*	$NetBSD: efs_vnops.c,v 1.12 2007/11/26 19:01:43 pooka 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  1.12   pooka __KERNEL_RCSID(0, "$NetBSD: efs_vnops.c,v 1.12 2007/11/26 19:01:43 pooka 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   1.1  rumble 
     34   1.1  rumble #include <miscfs/genfs/genfs.h>
     35   1.1  rumble #include <miscfs/genfs/genfs_node.h>
     36   1.1  rumble 
     37   1.1  rumble #include <fs/efs/efs.h>
     38   1.1  rumble #include <fs/efs/efs_sb.h>
     39   1.1  rumble #include <fs/efs/efs_dir.h>
     40   1.1  rumble #include <fs/efs/efs_genfs.h>
     41   1.1  rumble #include <fs/efs/efs_mount.h>
     42   1.1  rumble #include <fs/efs/efs_extent.h>
     43   1.1  rumble #include <fs/efs/efs_dinode.h>
     44   1.1  rumble #include <fs/efs/efs_inode.h>
     45   1.1  rumble #include <fs/efs/efs_subr.h>
     46   1.1  rumble #include <fs/efs/efs_ihash.h>
     47   1.1  rumble 
     48   1.1  rumble MALLOC_DECLARE(M_EFSTMP);
     49   1.1  rumble 
     50   1.1  rumble /*
     51   1.1  rumble  * Lookup a pathname component in the given directory.
     52   1.1  rumble  *
     53   1.1  rumble  * Returns 0 on success.
     54   1.1  rumble  */
     55   1.1  rumble static int
     56   1.1  rumble efs_lookup(void *v)
     57   1.1  rumble {
     58   1.1  rumble 	struct vop_lookup_args /* {
     59   1.1  rumble 		struct vnode *a_dvp;
     60   1.1  rumble 		struct vnode **a_vpp;
     61   1.1  rumble 		struct componentname *a_cnp;
     62   1.1  rumble 	} */ *ap = v;
     63   1.1  rumble 	struct componentname *cnp = ap->a_cnp;
     64   1.1  rumble 	struct vnode *vp;
     65   1.1  rumble 	ino_t ino;
     66   1.1  rumble 	int err, nameiop = cnp->cn_nameiop;
     67   1.1  rumble 
     68   1.1  rumble 	/* ensure that the directory can be accessed first */
     69  1.12   pooka         err = VOP_ACCESS(ap->a_dvp, VEXEC, cnp->cn_cred);
     70   1.1  rumble 	if (err)
     71   1.1  rumble 		return (err);
     72   1.1  rumble 
     73   1.1  rumble 	err = cache_lookup(ap->a_dvp, ap->a_vpp, cnp);
     74   1.1  rumble 	if (err != -1)
     75   1.1  rumble 		return (err);
     76   1.1  rumble 
     77   1.1  rumble 	/*
     78   1.1  rumble 	 * Handle the three lookup types: '.', '..', and everything else.
     79   1.1  rumble 	 */
     80   1.1  rumble 	if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') {
     81   1.1  rumble 		vref(ap->a_dvp);
     82   1.1  rumble 		*ap->a_vpp = ap->a_dvp;
     83   1.1  rumble 	} else if (cnp->cn_flags & ISDOTDOT) {
     84   1.1  rumble 		err = efs_inode_lookup(VFSTOEFS(ap->a_dvp->v_mount),
     85   1.1  rumble 		    EFS_VTOI(ap->a_dvp), ap->a_cnp, &ino);
     86   1.1  rumble 		if (err)
     87   1.1  rumble 			return (err);
     88   1.1  rumble 
     89   1.1  rumble 		VOP_UNLOCK(ap->a_dvp, 0);	/* preserve lock order */
     90   1.1  rumble 
     91   1.1  rumble 		err = VFS_VGET(ap->a_dvp->v_mount, ino, &vp);
     92   1.1  rumble 		if (err) {
     93   1.1  rumble 			vn_lock(ap->a_dvp, LK_EXCLUSIVE | LK_RETRY);
     94   1.1  rumble 			return (err);
     95   1.1  rumble 		}
     96   1.1  rumble 		vn_lock(ap->a_dvp, LK_EXCLUSIVE | LK_RETRY);
     97   1.1  rumble 		*ap->a_vpp = vp;
     98   1.1  rumble 	} else {
     99   1.1  rumble 		err = efs_inode_lookup(VFSTOEFS(ap->a_dvp->v_mount),
    100   1.1  rumble 		    EFS_VTOI(ap->a_dvp), ap->a_cnp, &ino);
    101   1.1  rumble 		if (err) {
    102   1.1  rumble 			if (err == ENOENT && (cnp->cn_flags & MAKEENTRY) &&
    103   1.1  rumble 			    nameiop != CREATE)
    104   1.1  rumble 				cache_enter(ap->a_dvp, NULL, cnp);
    105   1.1  rumble 			if (err == ENOENT && (nameiop == CREATE ||
    106   1.1  rumble 			    nameiop == RENAME)) {
    107   1.7  rumble 				err = VOP_ACCESS(ap->a_dvp, VWRITE,
    108  1.12   pooka 				    cnp->cn_cred);
    109   1.1  rumble 				if (err)
    110   1.1  rumble 					return (err);
    111   1.1  rumble 				cnp->cn_flags |= SAVENAME;
    112   1.1  rumble 				return (EJUSTRETURN);
    113   1.1  rumble 			}
    114   1.1  rumble 			return (err);
    115   1.1  rumble 		}
    116   1.1  rumble 		err = VFS_VGET(ap->a_dvp->v_mount, ino, &vp);
    117   1.1  rumble 		if (err)
    118   1.1  rumble 			return (err);
    119   1.1  rumble 		*ap->a_vpp = vp;
    120   1.1  rumble 	}
    121   1.1  rumble 
    122   1.1  rumble 	if (cnp->cn_flags & MAKEENTRY)
    123   1.1  rumble 		cache_enter(ap->a_dvp, *ap->a_vpp, cnp);
    124   1.1  rumble 
    125   1.1  rumble 	return (0);
    126   1.1  rumble }
    127   1.1  rumble 
    128   1.1  rumble /*
    129   1.1  rumble  * Determine the accessiblity of a file based on the permissions allowed by the
    130   1.1  rumble  * specified credentials.
    131   1.1  rumble  *
    132   1.1  rumble  * Returns 0 on success.
    133   1.1  rumble  */
    134   1.1  rumble static int
    135   1.1  rumble efs_access(void *v)
    136   1.1  rumble {
    137   1.1  rumble 	struct vop_access_args /* {
    138   1.1  rumble 		const struct vnodeop_desc *a_desc;
    139   1.1  rumble 		struct vnode *a_vp;
    140   1.1  rumble 		int a_mode;
    141   1.1  rumble 		struct ucred *a_cred;
    142   1.1  rumble 	} */ *ap = v;
    143   1.1  rumble 	struct vnode *vp = ap->a_vp;
    144   1.1  rumble 	struct efs_inode *eip = EFS_VTOI(vp);
    145   1.1  rumble 
    146   1.1  rumble 	if ((ap->a_mode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY))
    147   1.1  rumble 		return (EROFS);
    148   1.1  rumble 
    149   1.1  rumble 	return (vaccess(vp->v_type, eip->ei_mode, eip->ei_uid, eip->ei_gid,
    150   1.1  rumble 	    ap->a_mode, ap->a_cred));
    151   1.1  rumble }
    152   1.1  rumble 
    153   1.1  rumble /*
    154   1.1  rumble  * Get specific vnode attributes on a file. See vattr(9).
    155   1.1  rumble  *
    156   1.1  rumble  * Returns 0 on success.
    157   1.1  rumble  */
    158   1.1  rumble static int
    159   1.1  rumble efs_getattr(void *v)
    160   1.1  rumble {
    161   1.1  rumble 	struct vop_getattr_args /* {
    162   1.1  rumble 		const struct vnodeop_desc *a_desc;
    163   1.1  rumble 		struct vnode *a_vp;
    164   1.1  rumble 		struct vattr *a_vap;
    165   1.1  rumble 		struct ucred *a_cred;
    166   1.1  rumble 	} */ *ap = v;
    167   1.1  rumble 
    168   1.1  rumble 	struct vattr *vap = ap->a_vap;
    169   1.1  rumble 	struct efs_inode *eip = EFS_VTOI(ap->a_vp);
    170   1.1  rumble 
    171   1.1  rumble 	vattr_null(ap->a_vap);
    172   1.1  rumble 	vap->va_type		= ap->a_vp->v_type;
    173   1.1  rumble 	vap->va_mode		= eip->ei_mode;
    174   1.1  rumble 	vap->va_nlink		= eip->ei_nlink;
    175   1.1  rumble 	vap->va_uid		= eip->ei_uid;
    176   1.1  rumble 	vap->va_gid		= eip->ei_gid;
    177   1.1  rumble 	vap->va_fsid 		= ap->a_vp->v_mount->mnt_stat.f_fsid;
    178   1.1  rumble 	vap->va_fileid 		= eip->ei_number;
    179   1.1  rumble 	vap->va_size 		= eip->ei_size;
    180   1.1  rumble 
    181   1.1  rumble 	if (ap->a_vp->v_type == VBLK)
    182   1.1  rumble 		vap->va_blocksize = BLKDEV_IOSIZE;
    183   1.1  rumble 	else if (ap->a_vp->v_type == VCHR)
    184   1.1  rumble 		vap->va_blocksize = MAXBSIZE;
    185   1.1  rumble 	else
    186   1.1  rumble 		vap->va_blocksize = EFS_BB_SIZE;
    187   1.1  rumble 
    188   1.1  rumble 	vap->va_atime.tv_sec	= eip->ei_atime;
    189   1.1  rumble 	vap->va_mtime.tv_sec	= eip->ei_mtime;
    190   1.1  rumble 	vap->va_ctime.tv_sec	= eip->ei_ctime;
    191   1.1  rumble /*	vap->va_birthtime 	= */
    192   1.1  rumble 	vap->va_gen		= eip->ei_gen;
    193  1.11      ad 	vap->va_flags		= ap->a_vp->v_vflag |
    194  1.11      ad 	    ap->a_vp->v_iflag | ap->a_vp->v_uflag;
    195   1.1  rumble 
    196   1.1  rumble 	if (ap->a_vp->v_type == VBLK || ap->a_vp->v_type == VCHR) {
    197   1.1  rumble 		uint32_t dmaj, dmin;
    198   1.1  rumble 
    199   1.1  rumble 		if (be16toh(eip->ei_di.di_odev) != EFS_DINODE_ODEV_INVALID) {
    200   1.1  rumble 			dmaj = EFS_DINODE_ODEV_MAJ(be16toh(eip->ei_di.di_odev));
    201   1.1  rumble 			dmin = EFS_DINODE_ODEV_MIN(be16toh(eip->ei_di.di_odev));
    202   1.1  rumble 		} else {
    203   1.1  rumble 			dmaj = EFS_DINODE_NDEV_MAJ(be32toh(eip->ei_di.di_ndev));
    204   1.1  rumble 			dmin = EFS_DINODE_NDEV_MIN(be32toh(eip->ei_di.di_ndev));
    205   1.1  rumble 		}
    206   1.1  rumble 
    207   1.1  rumble 		vap->va_rdev = makedev(dmaj, dmin);
    208   1.1  rumble 	}
    209   1.1  rumble 
    210   1.1  rumble 	vap->va_bytes		= eip->ei_size;
    211   1.1  rumble /*	vap->va_filerev		= */
    212   1.1  rumble /*	vap->va_vaflags		= */
    213   1.1  rumble 
    214   1.1  rumble 	return (0);
    215   1.1  rumble }
    216   1.1  rumble 
    217   1.1  rumble /*
    218   1.1  rumble  * Read a file.
    219   1.1  rumble  *
    220   1.1  rumble  * Returns 0 on success.
    221   1.1  rumble  */
    222   1.1  rumble static int
    223   1.1  rumble efs_read(void *v)
    224   1.1  rumble {
    225   1.1  rumble 	struct vop_read_args /* {
    226   1.1  rumble 		const struct vnodeop_desc *a_desc;
    227   1.1  rumble 		struct vnode *a_vp;
    228   1.1  rumble 		struct uio *a_uio;
    229   1.1  rumble 		int a_ioflag;
    230   1.1  rumble 		struct ucred *a_cred;
    231   1.1  rumble 	} */ *ap = v;
    232   1.1  rumble 	struct efs_extent ex;
    233   1.1  rumble 	struct efs_extent_iterator exi;
    234   1.2  rumble 	void *win;
    235   1.1  rumble 	struct uio *uio = ap->a_uio;
    236   1.1  rumble 	struct efs_inode *eip = EFS_VTOI(ap->a_vp);
    237   1.1  rumble 	off_t start;
    238   1.1  rumble 	vsize_t len;
    239   1.2  rumble 	int err, ret, flags;
    240   1.2  rumble 	const int advice = IO_ADV_DECODE(ap->a_ioflag);
    241   1.1  rumble 
    242   1.1  rumble 	if (ap->a_vp->v_type == VDIR)
    243   1.1  rumble 		return (EISDIR);
    244   1.1  rumble 
    245   1.1  rumble 	if (ap->a_vp->v_type != VREG)
    246   1.1  rumble 		return (EINVAL);
    247   1.1  rumble 
    248   1.3  rumble 	efs_extent_iterator_init(&exi, eip, uio->uio_offset);
    249   1.2  rumble 	ret = efs_extent_iterator_next(&exi, &ex);
    250   1.2  rumble 	while (ret == 0) {
    251   1.1  rumble 		if (uio->uio_offset < 0 || uio->uio_offset >= eip->ei_size ||
    252   1.1  rumble 		    uio->uio_resid == 0)
    253   1.1  rumble 			break;
    254   1.1  rumble 
    255   1.1  rumble 		start = ex.ex_offset * EFS_BB_SIZE;
    256   1.1  rumble 		len   = ex.ex_length * EFS_BB_SIZE;
    257   1.1  rumble 
    258   1.2  rumble 		if (!(uio->uio_offset >= start &&
    259   1.2  rumble 		      uio->uio_offset < (start + len))) {
    260   1.2  rumble 			ret = efs_extent_iterator_next(&exi, &ex);
    261   1.2  rumble 			continue;
    262   1.2  rumble 		}
    263   1.2  rumble 
    264   1.2  rumble 		start = uio->uio_offset - start;
    265   1.2  rumble 
    266   1.2  rumble 		len = MIN(len - start, uio->uio_resid);
    267   1.2  rumble 		len = MIN(len, eip->ei_size - uio->uio_offset);
    268   1.2  rumble 
    269   1.2  rumble 		win = ubc_alloc(&ap->a_vp->v_uobj, uio->uio_offset,
    270   1.2  rumble 		    &len, advice, UBC_READ);
    271   1.2  rumble 
    272   1.2  rumble 		flags = UBC_WANT_UNMAP(ap->a_vp) ? UBC_UNMAP : 0;
    273   1.2  rumble 
    274   1.2  rumble 		err = uiomove(win, len, uio);
    275   1.2  rumble 		ubc_release(win, flags);
    276   1.2  rumble 		if (err) {
    277   1.2  rumble 			EFS_DPRINTF(("efs_read: uiomove error %d\n",
    278   1.2  rumble 			    err));
    279   1.2  rumble 			return (err);
    280   1.1  rumble 		}
    281   1.1  rumble 	}
    282   1.1  rumble 
    283   1.1  rumble 	return ((ret == -1) ? 0 : ret);
    284   1.1  rumble }
    285   1.1  rumble 
    286   1.1  rumble static int
    287   1.1  rumble efs_readdir(void *v)
    288   1.1  rumble {
    289   1.1  rumble 	struct vop_readdir_args /* {
    290   1.1  rumble 		const struct vnodeop_desc *a_desc;
    291   1.1  rumble 		struct vnode *a_vp;
    292   1.1  rumble 		struct uio *a_uio;
    293   1.1  rumble 		struct ucred *a_cred;
    294   1.1  rumble 		int *a_eofflag;
    295   1.1  rumble 		off_t **a_cookies;
    296   1.1  rumble 		int *a_ncookies;
    297   1.1  rumble 	} */ *ap = v;
    298   1.9  rumble 	struct dirent *dp;
    299   1.1  rumble 	struct efs_dinode edi;
    300   1.1  rumble 	struct efs_extent ex;
    301   1.1  rumble 	struct efs_extent_iterator exi;
    302   1.1  rumble 	struct buf *bp;
    303   1.1  rumble 	struct efs_dirent *de;
    304   1.1  rumble 	struct efs_dirblk *db;
    305   1.1  rumble 	struct uio *uio = ap->a_uio;
    306   1.1  rumble 	struct efs_inode *ei = EFS_VTOI(ap->a_vp);
    307   1.5  rumble 	off_t *cookies = NULL;
    308   1.1  rumble 	off_t offset;
    309   1.5  rumble 	int i, j, err, ret, s, slot, ncookies, maxcookies = 0;
    310   1.1  rumble 
    311   1.1  rumble 	if (ap->a_vp->v_type != VDIR)
    312   1.1  rumble 		return (ENOTDIR);
    313   1.1  rumble 
    314   1.5  rumble 	if (ap->a_eofflag != NULL)
    315   1.5  rumble 		*ap->a_eofflag = false;
    316   1.5  rumble 
    317   1.5  rumble 	if (ap->a_ncookies != NULL) {
    318   1.5  rumble 		ncookies = 0;
    319   1.6  rumble 		maxcookies =
    320   1.6  rumble 		    uio->uio_resid / _DIRENT_MINSIZE((struct dirent *)0);
    321   1.5  rumble 		cookies = malloc(maxcookies * sizeof(off_t), M_TEMP, M_WAITOK);
    322   1.5  rumble  	}
    323   1.5  rumble 
    324   1.9  rumble 	dp = malloc(sizeof(struct dirent), M_EFSTMP, M_WAITOK | M_ZERO);
    325   1.9  rumble 
    326   1.1  rumble 	offset = 0;
    327   1.3  rumble 	efs_extent_iterator_init(&exi, ei, 0);
    328   1.1  rumble 	while ((ret = efs_extent_iterator_next(&exi, &ex)) == 0) {
    329   1.3  rumble 		for (i = 0; i < ex.ex_length; i++) {
    330   1.3  rumble 			err = efs_bread(VFSTOEFS(ap->a_vp->v_mount),
    331   1.3  rumble 			    ex.ex_bn + i, NULL, &bp);
    332   1.3  rumble 			if (err) {
    333  1.10      ad 				brelse(bp, 0);
    334   1.5  rumble 				goto exit_err;
    335   1.3  rumble 			}
    336   1.1  rumble 
    337   1.3  rumble 			db = (struct efs_dirblk *)bp->b_data;
    338   1.1  rumble 
    339   1.1  rumble 			if (be16toh(db->db_magic) != EFS_DIRBLK_MAGIC) {
    340   1.1  rumble 				printf("efs_readdir: bad dirblk\n");
    341  1.10      ad 				brelse(bp, 0);
    342   1.1  rumble 				continue;
    343   1.1  rumble 			}
    344   1.1  rumble 
    345   1.1  rumble 			for (j = 0; j < db->db_slots; j++) {
    346   1.1  rumble 				slot = EFS_DIRENT_OFF_EXPND(db->db_space[j]);
    347   1.1  rumble 				if (slot == EFS_DIRBLK_SLOT_FREE)
    348   1.1  rumble 					continue;
    349   1.1  rumble 
    350   1.1  rumble 				if (!EFS_DIRENT_OFF_VALID(slot)) {
    351   1.1  rumble 					printf("efs_readdir: bad dirent\n");
    352   1.1  rumble 					continue;
    353   1.1  rumble 				}
    354   1.1  rumble 
    355   1.1  rumble 				de = EFS_DIRBLK_TO_DIRENT(db, slot);
    356   1.9  rumble 				s = _DIRENT_RECLEN(dp, de->de_namelen);
    357   1.1  rumble 
    358   1.1  rumble 				if (offset < uio->uio_offset) {
    359   1.1  rumble 					offset += s;
    360   1.1  rumble 					continue;
    361   1.1  rumble 				}
    362   1.1  rumble 
    363  1.10      ad 				/* XXX - shouldn't happen, right? */
    364  1.10      ad 				if (offset > uio->uio_offset ||
    365  1.10      ad 				    s > uio->uio_resid) {
    366  1.10      ad 					brelse(bp, 0);
    367   1.5  rumble 					goto exit_ok;
    368   1.1  rumble 				}
    369   1.1  rumble 
    370   1.8  rumble 				/* de_namelen is uint8_t, d.d_name is 512b */
    371   1.9  rumble 				KASSERT(sizeof(dp->d_name)-de->de_namelen > 0);
    372   1.9  rumble 				dp->d_fileno = be32toh(de->de_inumber);
    373   1.9  rumble 				dp->d_reclen = s;
    374   1.9  rumble 				dp->d_namlen = de->de_namelen;
    375   1.9  rumble 				memcpy(dp->d_name, de->de_name,
    376   1.1  rumble 				    de->de_namelen);
    377   1.9  rumble 				dp->d_name[de->de_namelen] = '\0';
    378   1.1  rumble 
    379   1.1  rumble 				/* look up inode to get type */
    380   1.1  rumble 				err = efs_read_inode(
    381   1.1  rumble 				    VFSTOEFS(ap->a_vp->v_mount),
    382   1.9  rumble 				    dp->d_fileno, NULL, &edi);
    383   1.1  rumble 				if (err) {
    384  1.10      ad 					brelse(bp, 0);
    385   1.5  rumble 					goto exit_err;
    386   1.1  rumble 				}
    387   1.1  rumble 
    388   1.1  rumble 				switch (be16toh(edi.di_mode) & EFS_IFMT) {
    389   1.1  rumble 				case EFS_IFIFO:
    390   1.9  rumble 					dp->d_type = DT_FIFO;
    391   1.1  rumble 					break;
    392   1.1  rumble 				case EFS_IFCHR:
    393   1.9  rumble 					dp->d_type = DT_CHR;
    394   1.1  rumble 					break;
    395   1.1  rumble 				case EFS_IFDIR:
    396   1.9  rumble 					dp->d_type = DT_DIR;
    397   1.1  rumble 					break;
    398   1.1  rumble 				case EFS_IFBLK:
    399   1.9  rumble 					dp->d_type = DT_BLK;
    400   1.1  rumble 					break;
    401   1.1  rumble 				case EFS_IFREG:
    402   1.9  rumble 					dp->d_type = DT_REG;
    403   1.1  rumble 					break;
    404   1.1  rumble 				case EFS_IFLNK:
    405   1.9  rumble 					dp->d_type = DT_LNK;
    406   1.1  rumble 					break;
    407   1.1  rumble 				case EFS_IFSOCK:
    408   1.9  rumble 					dp->d_type = DT_SOCK;
    409   1.1  rumble 					break;
    410   1.1  rumble 				default:
    411   1.9  rumble 					dp->d_type = DT_UNKNOWN;
    412   1.1  rumble 					break;
    413   1.1  rumble 				}
    414   1.1  rumble 
    415   1.9  rumble 				err = uiomove(dp, s, uio);
    416   1.1  rumble 				if (err) {
    417  1.10      ad 					brelse(bp, 0);
    418  1.10      ad 					goto exit_err;
    419   1.1  rumble 				}
    420   1.1  rumble 
    421   1.1  rumble 				offset += s;
    422   1.5  rumble 
    423   1.5  rumble 				if (cookies != NULL && maxcookies != 0) {
    424   1.5  rumble 					cookies[ncookies++] = offset;
    425   1.5  rumble 					if (ncookies == maxcookies) {
    426  1.10      ad 						brelse(bp, 0);
    427   1.5  rumble 						goto exit_ok;
    428   1.5  rumble 					}
    429   1.5  rumble 				}
    430   1.1  rumble 			}
    431   1.3  rumble 
    432  1.10      ad 			brelse(bp, 0);
    433   1.1  rumble 		}
    434   1.1  rumble 	}
    435   1.1  rumble 
    436   1.5  rumble 	if (ret != -1) {
    437   1.5  rumble 		err = ret;
    438   1.5  rumble 		goto exit_err;
    439   1.5  rumble 	}
    440   1.1  rumble 
    441   1.1  rumble 	if (ap->a_eofflag != NULL)
    442   1.1  rumble 		*ap->a_eofflag = true;
    443   1.1  rumble 
    444   1.5  rumble  exit_ok:
    445   1.5  rumble 	if (cookies != NULL) {
    446   1.5  rumble 		*ap->a_cookies = cookies;
    447   1.5  rumble 		*ap->a_ncookies = ncookies;
    448   1.5  rumble 	}
    449   1.5  rumble 
    450   1.5  rumble 	uio->uio_offset = offset;
    451   1.5  rumble 
    452   1.9  rumble 	free(dp, M_EFSTMP);
    453   1.9  rumble 
    454   1.1  rumble 	return (0);
    455   1.5  rumble 
    456   1.5  rumble  exit_err:
    457   1.5  rumble 	if (cookies != NULL)
    458   1.5  rumble 		free(cookies, M_TEMP);
    459   1.9  rumble 
    460   1.9  rumble 	free(dp, M_EFSTMP);
    461   1.5  rumble 
    462   1.5  rumble 	return (err);
    463   1.1  rumble }
    464   1.1  rumble 
    465   1.1  rumble static int
    466   1.1  rumble efs_readlink(void *v)
    467   1.1  rumble {
    468   1.1  rumble 	struct vop_readlink_args /* {
    469   1.1  rumble 		const struct vnodeop_desc *a_desc;
    470   1.1  rumble 		struct vnode *a_vp;
    471   1.1  rumble 		struct uio *a_uio;
    472   1.1  rumble 		struct ucred *a_cred;
    473   1.1  rumble 	} */ *ap = v;
    474   1.1  rumble 	struct uio *uio = ap->a_uio;
    475   1.1  rumble 	struct efs_inode *eip = EFS_VTOI(ap->a_vp);
    476   1.1  rumble 	char *buf;
    477   1.1  rumble 	size_t len;
    478   1.3  rumble 	int err, i;
    479   1.1  rumble 
    480   1.1  rumble 	if ((eip->ei_mode & EFS_IFMT) != EFS_IFLNK)
    481   1.1  rumble 		return (EINVAL);
    482   1.1  rumble 
    483   1.1  rumble 	if (uio->uio_resid < 1)
    484   1.1  rumble 		return (EINVAL);
    485   1.1  rumble 
    486   1.1  rumble 	buf = malloc(eip->ei_size + 1, M_EFSTMP, M_ZERO | M_WAITOK);
    487   1.1  rumble 
    488   1.1  rumble 	/* symlinks are either inlined in the inode, or in extents */
    489   1.1  rumble 	if (eip->ei_numextents == 0) {
    490   1.1  rumble 		if (eip->ei_size > sizeof(eip->ei_di.di_symlink)) {
    491   1.1  rumble 			EFS_DPRINTF(("efs_readlink: too big for inline\n"));
    492   1.1  rumble 			free(buf, M_EFSTMP);
    493   1.1  rumble 			return (EBADF);
    494   1.1  rumble 		}
    495   1.1  rumble 
    496   1.1  rumble 		memcpy(buf, eip->ei_di.di_symlink, eip->ei_size);
    497   1.1  rumble 		len = MIN(uio->uio_resid, eip->ei_size + 1);
    498   1.1  rumble 	} else {
    499   1.3  rumble 		struct efs_extent_iterator exi;
    500   1.1  rumble 		struct efs_extent ex;
    501   1.1  rumble 		struct buf *bp;
    502   1.3  rumble 		int resid, off, ret;
    503   1.3  rumble 
    504   1.3  rumble 		off = 0;
    505   1.3  rumble 		resid = eip->ei_size;
    506   1.3  rumble 
    507   1.3  rumble 		efs_extent_iterator_init(&exi, eip, 0);
    508   1.3  rumble 		while ((ret = efs_extent_iterator_next(&exi, &ex)) == 0) {
    509   1.3  rumble 			for (i = 0; i < ex.ex_length; i++) {
    510   1.3  rumble 				err = efs_bread(VFSTOEFS(ap->a_vp->v_mount),
    511   1.3  rumble 				    ex.ex_bn + i, NULL, &bp);
    512   1.3  rumble 				if (err) {
    513  1.10      ad 					brelse(bp, 0);
    514   1.3  rumble 					free(buf, M_EFSTMP);
    515   1.3  rumble 					return (err);
    516   1.3  rumble 				}
    517   1.3  rumble 
    518   1.3  rumble 				len = MIN(resid, bp->b_bcount);
    519   1.3  rumble 				memcpy(buf + off, bp->b_data, len);
    520  1.10      ad 				brelse(bp, 0);
    521   1.3  rumble 
    522   1.3  rumble 				off += len;
    523   1.3  rumble 				resid -= len;
    524   1.1  rumble 
    525   1.3  rumble 				if (resid == 0)
    526   1.3  rumble 					break;
    527   1.3  rumble 			}
    528   1.3  rumble 
    529   1.3  rumble 			if (resid == 0)
    530   1.3  rumble 				break;
    531   1.3  rumble 		}
    532   1.3  rumble 
    533   1.3  rumble 		if (ret != 0 && ret != -1) {
    534   1.1  rumble 			free(buf, M_EFSTMP);
    535   1.3  rumble 			return (ret);
    536   1.1  rumble 		}
    537   1.1  rumble 
    538   1.3  rumble 		len = off + 1;
    539   1.3  rumble 	}
    540   1.1  rumble 
    541   1.3  rumble 	KASSERT(len >= 1 && len <= (eip->ei_size + 1));
    542   1.3  rumble 	buf[len - 1] = '\0';
    543   1.3  rumble 	err = uiomove(buf, len, uio);
    544   1.3  rumble 	free(buf, M_EFSTMP);
    545   1.1  rumble 
    546   1.3  rumble 	return (err);
    547   1.1  rumble }
    548   1.1  rumble 
    549   1.1  rumble /*
    550   1.1  rumble  * Release an inactive vnode. The vnode _must_ be unlocked on return.
    551   1.1  rumble  * It is either nolonger being used by the kernel, or an unmount is being
    552   1.1  rumble  * forced.
    553   1.1  rumble  *
    554   1.1  rumble  * Returns 0 on success.
    555   1.1  rumble  */
    556   1.1  rumble static int
    557   1.1  rumble efs_inactive(void *v)
    558   1.1  rumble {
    559   1.1  rumble 	struct vop_inactive_args /* {
    560   1.1  rumble 		const struct vnodeop_desc *a_desc;
    561   1.1  rumble 		struct vnode *a_vp;
    562   1.1  rumble 	} */ *ap = v;
    563   1.1  rumble 	struct efs_inode *eip = EFS_VTOI(ap->a_vp);
    564   1.1  rumble 
    565   1.1  rumble 	VOP_UNLOCK(ap->a_vp, 0);
    566   1.1  rumble 
    567   1.1  rumble 	if (eip->ei_mode == 0)
    568  1.12   pooka 		vrecycle(ap->a_vp, NULL, curlwp);
    569   1.1  rumble 
    570   1.1  rumble 	return (0);
    571   1.1  rumble }
    572   1.1  rumble 
    573   1.1  rumble static int
    574   1.1  rumble efs_reclaim(void *v)
    575   1.1  rumble {
    576   1.1  rumble 	struct vop_reclaim_args /* {
    577   1.1  rumble 		const struct vnodeop_desc *a_desc;
    578   1.1  rumble 		struct vnode *a_vp;
    579   1.1  rumble 	} */ *ap = v;
    580   1.1  rumble 	struct vnode *vp = ap->a_vp;
    581   1.1  rumble 
    582   1.1  rumble 	efs_ihashrem(EFS_VTOI(vp));
    583   1.1  rumble 	cache_purge(vp);
    584   1.1  rumble 	genfs_node_destroy(vp);
    585   1.1  rumble 	pool_put(&efs_inode_pool, vp->v_data);
    586   1.1  rumble 	vp->v_data = NULL;
    587   1.1  rumble 
    588   1.1  rumble 	return (0);
    589   1.1  rumble }
    590   1.1  rumble 
    591   1.1  rumble static int
    592   1.1  rumble efs_bmap(void *v)
    593   1.1  rumble {
    594   1.1  rumble 	struct vop_bmap_args /* {
    595   1.1  rumble 		const struct vnodeop_desc *a_desc;
    596   1.1  rumble 		struct vnode *a_vp;
    597   1.1  rumble 		daddr_t a_bn;
    598   1.1  rumble 		struct vnode **a_vpp;
    599   1.1  rumble 		daddr_t *a_bnp;
    600   1.1  rumble 		int *a_runp;
    601   1.1  rumble 	} */ *ap = v;
    602   1.1  rumble 	struct efs_extent ex;
    603   1.1  rumble 	struct efs_extent_iterator exi;
    604   1.1  rumble 	struct vnode *vp = ap->a_vp;
    605   1.1  rumble 	struct efs_inode *eip = EFS_VTOI(vp);
    606   1.1  rumble 	bool found;
    607   1.1  rumble 	int ret;
    608   1.1  rumble 
    609   1.1  rumble 	if (ap->a_vpp != NULL)
    610   1.1  rumble 		*ap->a_vpp = VFSTOEFS(vp->v_mount)->em_devvp;
    611   1.1  rumble 
    612   1.1  rumble 	found = false;
    613   1.3  rumble 	efs_extent_iterator_init(&exi, eip, ap->a_bn * EFS_BB_SIZE);
    614   1.1  rumble 	while ((ret = efs_extent_iterator_next(&exi, &ex)) == 0) {
    615   1.1  rumble 		if (ap->a_bn >= ex.ex_offset &&
    616   1.1  rumble 		    ap->a_bn < (ex.ex_offset + ex.ex_length)) {
    617   1.1  rumble 			found = true;
    618   1.1  rumble 			break;
    619   1.1  rumble 		}
    620   1.1  rumble 	}
    621   1.1  rumble 
    622   1.1  rumble 	KASSERT(!found || (found && ret == 0));
    623   1.1  rumble 
    624   1.1  rumble 	if (!found) {
    625   1.1  rumble 		EFS_DPRINTF(("efs_bmap: ap->a_bn not in extents\n"));
    626   1.1  rumble 		return ((ret == -1) ? EIO : ret);
    627   1.1  rumble 	}
    628   1.1  rumble 
    629   1.1  rumble 	if (ex.ex_magic != EFS_EXTENT_MAGIC) {
    630   1.1  rumble 		EFS_DPRINTF(("efs_bmap: exn.ex_magic != EFS_EXTENT_MAGIC\n"));
    631   1.1  rumble 		return (EIO);
    632   1.1  rumble 	}
    633   1.1  rumble 
    634   1.1  rumble 	if (ap->a_bn < ex.ex_offset) {
    635   1.1  rumble 		EFS_DPRINTF(("efs_bmap: ap->a_bn < exn.ex_offset\n"));
    636   1.1  rumble 		return (EIO);
    637   1.1  rumble 	}
    638   1.1  rumble 
    639   1.1  rumble 	KASSERT(ap->a_bn >= ex.ex_offset);
    640   1.1  rumble 	KASSERT(ex.ex_length > ap->a_bn - ex.ex_offset);
    641   1.1  rumble 
    642   1.1  rumble 	*ap->a_bnp = ex.ex_bn + (ap->a_bn - ex.ex_offset);
    643   1.1  rumble 	if (ap->a_runp != NULL)
    644   1.1  rumble 		*ap->a_runp = ex.ex_length - (ap->a_bn - ex.ex_offset) - 1;
    645   1.1  rumble 
    646   1.1  rumble 	return (0);
    647   1.1  rumble }
    648   1.1  rumble 
    649   1.1  rumble static int
    650   1.1  rumble efs_strategy(void *v)
    651   1.1  rumble {
    652   1.1  rumble 	struct vop_strategy_args /* {
    653   1.1  rumble 		const struct vnodeop_desc *a_desc;
    654   1.1  rumble 		struct vnode *a_vp;
    655   1.1  rumble 		struct buf *a_bp;
    656   1.1  rumble 	} */ *ap = v;
    657   1.1  rumble 	struct vnode *vp = ap->a_vp;
    658   1.1  rumble 	struct buf *bp = ap->a_bp;
    659   1.1  rumble 	int error;
    660   1.1  rumble 
    661   1.1  rumble 	if (vp == NULL) {
    662   1.4      ad 		bp->b_error = EIO;
    663   1.1  rumble 		biodone(bp);
    664   1.1  rumble 		return (EIO);
    665   1.1  rumble 	}
    666   1.1  rumble 
    667   1.1  rumble 	if (bp->b_blkno == bp->b_lblkno) {
    668   1.1  rumble 		error = VOP_BMAP(vp, bp->b_lblkno, NULL, &bp->b_blkno, NULL);
    669   1.1  rumble 		if (error) {
    670   1.4      ad 			bp->b_error = error;
    671   1.1  rumble 			biodone(bp);
    672   1.1  rumble 			return (error);
    673   1.1  rumble 		}
    674   1.1  rumble 		if ((long)bp->b_blkno == -1)
    675   1.1  rumble 			clrbuf(bp);
    676   1.1  rumble 	}
    677   1.1  rumble 
    678   1.1  rumble 	if ((long)bp->b_blkno == -1) {
    679   1.1  rumble 		biodone(bp);
    680   1.1  rumble 		return (0);
    681   1.1  rumble 	}
    682   1.1  rumble 
    683   1.1  rumble 	return (VOP_STRATEGY(VFSTOEFS(vp->v_mount)->em_devvp, bp));
    684   1.1  rumble }
    685   1.1  rumble 
    686   1.1  rumble static int
    687   1.1  rumble efs_print(void *v)
    688   1.1  rumble {
    689   1.1  rumble 	struct vop_print_args /* {
    690   1.1  rumble 		const struct vnodeop_desc *a_desc;
    691   1.1  rumble 		struct vnode *a_vp;
    692   1.1  rumble 	} */ *ap = v;
    693   1.1  rumble 	struct efs_inode *eip = EFS_VTOI(ap->a_vp);
    694   1.1  rumble 
    695   1.1  rumble 	printf(	"efs_inode (ino %lu):\n"
    696   1.1  rumble 		"    ei_mode:         %07o\n"
    697   1.1  rumble 		"    ei_nlink:        %d\n"
    698   1.1  rumble 		"    ei_uid:          %d\n"
    699   1.1  rumble 		"    ei_gid:          %d\n"
    700   1.1  rumble 		"    ei_size:         %d\n"
    701   1.1  rumble 		"    ei_atime:        %d\n"
    702   1.1  rumble 		"    ei_mtime:        %d\n"
    703   1.1  rumble 		"    ei_ctime:        %d\n"
    704   1.1  rumble 		"    ei_gen:          %d\n"
    705   1.1  rumble 		"    ei_numextents:   %d\n"
    706   1.1  rumble 		"    ei_version:      %d\n",
    707   1.1  rumble 		(unsigned long)eip->ei_number,
    708   1.1  rumble 		(unsigned int)eip->ei_mode,
    709   1.1  rumble 		eip->ei_nlink,
    710   1.1  rumble 		eip->ei_uid,
    711   1.1  rumble 		eip->ei_gid,
    712   1.1  rumble 		eip->ei_size,
    713   1.1  rumble 		(int32_t)eip->ei_atime,
    714   1.1  rumble 		(int32_t)eip->ei_mtime,
    715   1.1  rumble 		(int32_t)eip->ei_ctime,
    716   1.1  rumble 		eip->ei_gen,
    717   1.1  rumble 		eip->ei_numextents,
    718   1.1  rumble 		eip->ei_version);
    719   1.1  rumble 
    720   1.1  rumble 	return (0);
    721   1.1  rumble }
    722   1.1  rumble 
    723   1.1  rumble static int
    724   1.1  rumble efs_pathconf(void *v)
    725   1.1  rumble {
    726   1.1  rumble 	struct vop_pathconf_args /* {
    727   1.1  rumble 		const struct vnodeop_desc *a_desc;
    728   1.1  rumble 		struct vnode *a_vp;
    729   1.1  rumble 		int a_name;
    730   1.1  rumble 		register_t *a_retval;
    731   1.1  rumble 	} */ *ap = v;
    732   1.1  rumble 
    733   1.1  rumble 	/* IRIX 4 values */
    734   1.1  rumble 	switch (ap->a_name) {
    735   1.1  rumble 	case _PC_LINK_MAX:
    736   1.1  rumble 		*ap->a_retval = 30000;
    737   1.1  rumble 		break;
    738   1.1  rumble 	case _PC_NAME_MAX:
    739   1.1  rumble 		*ap->a_retval = 255;
    740   1.1  rumble 		break;
    741   1.1  rumble 	case _PC_PATH_MAX:
    742   1.1  rumble 		*ap->a_retval = 1024;
    743   1.1  rumble 		break;
    744   1.1  rumble 	case _PC_NO_TRUNC:
    745   1.1  rumble 		*ap->a_retval = 1;
    746   1.1  rumble 		break;
    747   1.1  rumble 	case _PC_CHOWN_RESTRICTED:
    748   1.1  rumble 		*ap->a_retval = 1;
    749   1.1  rumble 		break;
    750   1.1  rumble 	case _PC_SYNC_IO:
    751   1.1  rumble 		*ap->a_retval = 1;
    752   1.1  rumble 		break;
    753   1.1  rumble 	case _PC_FILESIZEBITS:
    754   1.1  rumble 		*ap->a_retval = 32;
    755   1.1  rumble 		break;
    756   1.1  rumble 	default:
    757   1.1  rumble 		return (EINVAL);
    758   1.1  rumble 	}
    759   1.1  rumble 
    760   1.1  rumble 	return (0);
    761   1.1  rumble }
    762   1.1  rumble 
    763   1.1  rumble static int
    764   1.1  rumble efs_advlock(void *v)
    765   1.1  rumble {
    766   1.1  rumble 	struct vop_advlock_args /* {
    767   1.1  rumble 		const struct vnodeop_desc *a_desc;
    768   1.1  rumble 		struct vnode *a_vp;
    769   1.1  rumble 		void *a_id;
    770   1.1  rumble 		int a_op;
    771   1.1  rumble 		struct flock *a_fl;
    772   1.1  rumble 		int a_flags;
    773   1.1  rumble 	} */ *ap = v;
    774   1.1  rumble 	struct efs_inode *eip = EFS_VTOI(ap->a_vp);
    775   1.1  rumble 
    776   1.1  rumble 	return (lf_advlock(ap, &eip->ei_lockf, eip->ei_size));
    777   1.1  rumble }
    778   1.1  rumble 
    779   1.1  rumble /* Global vfs data structures for efs */
    780   1.1  rumble int (**efs_vnodeop_p)(void *);
    781   1.1  rumble const struct vnodeopv_entry_desc efs_vnodeop_entries[] = {
    782   1.1  rumble 	{ &vop_default_desc,	vn_default_error},	/* error handler */
    783   1.1  rumble 	{ &vop_lookup_desc,	efs_lookup	},	/* lookup */
    784   1.1  rumble 	{ &vop_create_desc,	genfs_eopnotsupp},	/* create */
    785   1.1  rumble 	{ &vop_mknod_desc,	genfs_eopnotsupp},	/* mknod */
    786   1.1  rumble 	{ &vop_open_desc,	genfs_nullop	},	/* open */
    787   1.1  rumble 	{ &vop_close_desc,	genfs_nullop	},	/* close */
    788   1.1  rumble 	{ &vop_access_desc,	efs_access	},	/* access */
    789   1.1  rumble 	{ &vop_getattr_desc,	efs_getattr	},	/* getattr */
    790   1.1  rumble 	{ &vop_setattr_desc,	genfs_eopnotsupp},	/* setattr */
    791   1.1  rumble 	{ &vop_read_desc,	efs_read	},	/* read */
    792   1.1  rumble 	{ &vop_write_desc,	genfs_eopnotsupp},	/* write */
    793   1.1  rumble 	{ &vop_ioctl_desc,	genfs_enoioctl	},	/* ioctl */
    794   1.1  rumble 	{ &vop_fcntl_desc,	genfs_fcntl	},	/* fcntl */
    795   1.1  rumble 	{ &vop_poll_desc,	genfs_poll	},	/* poll */
    796   1.1  rumble 	{ &vop_kqfilter_desc,	genfs_kqfilter	},	/* kqfilter */
    797   1.1  rumble 	{ &vop_revoke_desc,	genfs_revoke	},	/* revoke */
    798   1.1  rumble 	{ &vop_mmap_desc,	genfs_mmap	},	/* mmap */
    799   1.1  rumble 	{ &vop_fsync_desc,	genfs_eopnotsupp},	/* fsync */
    800   1.1  rumble 	{ &vop_seek_desc,	genfs_seek	},	/* seek */
    801   1.1  rumble 	{ &vop_remove_desc,	genfs_eopnotsupp},	/* remove */
    802   1.1  rumble 	{ &vop_link_desc,	genfs_eopnotsupp},	/* link */
    803   1.1  rumble 	{ &vop_rename_desc,	genfs_eopnotsupp},	/* rename */
    804   1.1  rumble 	{ &vop_mkdir_desc,	genfs_eopnotsupp},	/* mkdir */
    805   1.1  rumble 	{ &vop_rmdir_desc,	genfs_eopnotsupp},	/* rmdir */
    806   1.1  rumble 	{ &vop_symlink_desc,	genfs_eopnotsupp},	/* symlink */
    807   1.1  rumble 	{ &vop_readdir_desc,	efs_readdir	},	/* readdir */
    808   1.1  rumble 	{ &vop_readlink_desc,	efs_readlink	},	/* readlink */
    809   1.1  rumble 	{ &vop_abortop_desc,	genfs_abortop	},	/* abortop */
    810   1.1  rumble 	{ &vop_inactive_desc,	efs_inactive	},	/* inactive */
    811   1.1  rumble 	{ &vop_reclaim_desc,	efs_reclaim	},	/* reclaim */
    812   1.1  rumble 	{ &vop_lock_desc,	genfs_lock,	},	/* lock */
    813   1.1  rumble 	{ &vop_unlock_desc,	genfs_unlock,	},	/* unlock */
    814   1.1  rumble 	{ &vop_islocked_desc,	genfs_islocked,	},	/* islocked */
    815   1.1  rumble 	{ &vop_bmap_desc,	efs_bmap	},	/* bmap */
    816   1.1  rumble 	{ &vop_print_desc,	efs_print	},	/* print */
    817   1.1  rumble 	{ &vop_pathconf_desc,	efs_pathconf	},	/* pathconf */
    818   1.1  rumble 	{ &vop_advlock_desc,	efs_advlock	},	/* advlock */
    819   1.1  rumble 							/* blkatoff */
    820   1.1  rumble 							/* valloc */
    821   1.1  rumble 							/* balloc */
    822   1.1  rumble 							/* vfree */
    823   1.1  rumble 							/* truncate */
    824   1.1  rumble 	{ &vop_lease_desc,	genfs_lease_check },	/* lease */
    825   1.1  rumble 							/* whiteout */
    826   1.1  rumble 	{ &vop_getpages_desc,	genfs_getpages	},	/* getpages */
    827   1.1  rumble 	{ &vop_putpages_desc,	genfs_putpages	},	/* putpages */
    828   1.1  rumble 	{ &vop_bwrite_desc,	vn_bwrite	},	/* bwrite */
    829   1.1  rumble 	{ &vop_strategy_desc,	efs_strategy	},	/* strategy */
    830   1.1  rumble 	{ NULL, NULL }
    831   1.1  rumble };
    832   1.1  rumble const struct vnodeopv_desc efs_vnodeop_opv_desc = {
    833   1.1  rumble 	&efs_vnodeop_p,
    834   1.1  rumble 	efs_vnodeop_entries
    835   1.1  rumble };
    836