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lfs_vnops.c revision 1.22
      1 /*	$NetBSD: lfs_vnops.c,v 1.22 1999/03/10 00:20:00 perseant Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Konrad E. Schroder <perseant (at) hhhh.org>.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *      This product includes software developed by the NetBSD
     21  *      Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 /*
     39  * Copyright (c) 1986, 1989, 1991, 1993, 1995
     40  *	The Regents of the University of California.  All rights reserved.
     41  *
     42  * Redistribution and use in source and binary forms, with or without
     43  * modification, are permitted provided that the following conditions
     44  * are met:
     45  * 1. Redistributions of source code must retain the above copyright
     46  *    notice, this list of conditions and the following disclaimer.
     47  * 2. Redistributions in binary form must reproduce the above copyright
     48  *    notice, this list of conditions and the following disclaimer in the
     49  *    documentation and/or other materials provided with the distribution.
     50  * 3. All advertising materials mentioning features or use of this software
     51  *    must display the following acknowledgement:
     52  *	This product includes software developed by the University of
     53  *	California, Berkeley and its contributors.
     54  * 4. Neither the name of the University nor the names of its contributors
     55  *    may be used to endorse or promote products derived from this software
     56  *    without specific prior written permission.
     57  *
     58  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     59  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     60  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     61  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     62  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     63  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     64  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     65  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     66  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     67  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     68  * SUCH DAMAGE.
     69  *
     70  *	@(#)lfs_vnops.c	8.13 (Berkeley) 6/10/95
     71  */
     72 
     73 #include <sys/param.h>
     74 #include <sys/systm.h>
     75 #include <sys/namei.h>
     76 #include <sys/resourcevar.h>
     77 #include <sys/kernel.h>
     78 #include <sys/file.h>
     79 #include <sys/stat.h>
     80 #include <sys/buf.h>
     81 #include <sys/proc.h>
     82 #include <sys/conf.h>
     83 #include <sys/mount.h>
     84 #include <sys/vnode.h>
     85 #include <sys/malloc.h>
     86 #include <sys/pool.h>
     87 #include <sys/signalvar.h>
     88 
     89 #include <vm/vm.h>
     90 
     91 #include <miscfs/fifofs/fifo.h>
     92 #include <miscfs/genfs/genfs.h>
     93 #include <miscfs/specfs/specdev.h>
     94 
     95 #include <ufs/ufs/quota.h>
     96 #include <ufs/ufs/inode.h>
     97 #include <ufs/ufs/dir.h>
     98 #include <ufs/ufs/ufsmount.h>
     99 #include <ufs/ufs/ufs_extern.h>
    100 
    101 #include <ufs/lfs/lfs.h>
    102 #include <ufs/lfs/lfs_extern.h>
    103 
    104 /* Global vfs data structures for lfs. */
    105 int (**lfs_vnodeop_p) __P((void *));
    106 struct vnodeopv_entry_desc lfs_vnodeop_entries[] = {
    107 	{ &vop_default_desc, vn_default_error },
    108 	{ &vop_lookup_desc, ufs_lookup },		/* lookup */
    109 #ifndef LFS_USEDIROP
    110 	{ &vop_create_desc, ufs_create },		/* create */
    111 	{ &vop_whiteout_desc, ufs_whiteout },		/* whiteout */
    112 	{ &vop_mknod_desc, ufs_mknod },			/* mknod */
    113 #else
    114 	{ &vop_create_desc, lfs_create },		/* create */
    115 	{ &vop_whiteout_desc, lfs_whiteout },		/* whiteout */
    116 	{ &vop_mknod_desc, lfs_mknod },			/* mknod */
    117 #endif
    118 	{ &vop_open_desc, ufs_open },			/* open */
    119 	{ &vop_close_desc, lfs_close },			/* close */
    120 	{ &vop_access_desc, ufs_access },		/* access */
    121 	{ &vop_getattr_desc, lfs_getattr },		/* getattr */
    122 	{ &vop_setattr_desc, ufs_setattr },		/* setattr */
    123 	{ &vop_read_desc, lfs_read },			/* read */
    124 	{ &vop_write_desc, lfs_write },			/* write */
    125 	{ &vop_lease_desc, ufs_lease_check },		/* lease */
    126 	{ &vop_ioctl_desc, ufs_ioctl },			/* ioctl */
    127 	{ &vop_poll_desc, ufs_poll },			/* poll */
    128 	{ &vop_revoke_desc, ufs_revoke },		/* revoke */
    129 	{ &vop_mmap_desc, ufs_mmap },			/* mmap */
    130 	{ &vop_fsync_desc, lfs_fsync },			/* fsync */
    131 	{ &vop_seek_desc, ufs_seek },			/* seek */
    132 #ifndef LFS_USEDIROP
    133 	{ &vop_remove_desc, ufs_remove },		/* remove */
    134 	{ &vop_link_desc, ufs_link },			/* link */
    135 	{ &vop_rename_desc, ufs_rename },		/* rename */
    136 	{ &vop_mkdir_desc, ufs_mkdir },			/* mkdir */
    137 	{ &vop_rmdir_desc, ufs_rmdir },			/* rmdir */
    138 	{ &vop_symlink_desc, ufs_symlink },		/* symlink */
    139 #else
    140 	{ &vop_remove_desc, lfs_remove },		/* remove */
    141 	{ &vop_link_desc, lfs_link },			/* link */
    142 	{ &vop_rename_desc, lfs_rename },		/* rename */
    143 	{ &vop_mkdir_desc, lfs_mkdir },			/* mkdir */
    144 	{ &vop_rmdir_desc, lfs_rmdir },			/* rmdir */
    145 	{ &vop_symlink_desc, lfs_symlink },		/* symlink */
    146 #endif
    147 	{ &vop_readdir_desc, ufs_readdir },		/* readdir */
    148 	{ &vop_readlink_desc, ufs_readlink },		/* readlink */
    149 	{ &vop_abortop_desc, ufs_abortop },		/* abortop */
    150 	{ &vop_inactive_desc, ufs_inactive },		/* inactive */
    151 	{ &vop_reclaim_desc, lfs_reclaim },		/* reclaim */
    152 	{ &vop_lock_desc, ufs_lock },			/* lock */
    153 	{ &vop_unlock_desc, ufs_unlock },		/* unlock */
    154 	{ &vop_bmap_desc, ufs_bmap },			/* bmap */
    155 	{ &vop_strategy_desc, ufs_strategy },		/* strategy */
    156 	{ &vop_print_desc, ufs_print },			/* print */
    157 	{ &vop_islocked_desc, ufs_islocked },		/* islocked */
    158 	{ &vop_pathconf_desc, ufs_pathconf },		/* pathconf */
    159 	{ &vop_advlock_desc, ufs_advlock },		/* advlock */
    160 	{ &vop_blkatoff_desc, lfs_blkatoff },		/* blkatoff */
    161 	{ &vop_valloc_desc, lfs_valloc },		/* valloc */
    162 	{ &vop_vfree_desc, lfs_vfree },			/* vfree */
    163 	{ &vop_truncate_desc, lfs_truncate },		/* truncate */
    164 	{ &vop_update_desc, lfs_update },		/* update */
    165 	{ &vop_bwrite_desc, lfs_bwrite },		/* bwrite */
    166 	{ (struct vnodeop_desc*)NULL, (int(*) __P((void *)))NULL }
    167 };
    168 struct vnodeopv_desc lfs_vnodeop_opv_desc =
    169 	{ &lfs_vnodeop_p, lfs_vnodeop_entries };
    170 
    171 int (**lfs_specop_p) __P((void *));
    172 struct vnodeopv_entry_desc lfs_specop_entries[] = {
    173 	{ &vop_default_desc, vn_default_error },
    174 	{ &vop_lookup_desc, spec_lookup },		/* lookup */
    175 	{ &vop_create_desc, spec_create },		/* create */
    176 	{ &vop_mknod_desc, spec_mknod },		/* mknod */
    177 	{ &vop_open_desc, spec_open },			/* open */
    178 	{ &vop_close_desc, ufsspec_close },		/* close */
    179 	{ &vop_access_desc, ufs_access },		/* access */
    180 	{ &vop_getattr_desc, lfs_getattr },		/* getattr */
    181 	{ &vop_setattr_desc, ufs_setattr },		/* setattr */
    182 	{ &vop_read_desc, ufsspec_read },		/* read */
    183 	{ &vop_write_desc, ufsspec_write },		/* write */
    184 	{ &vop_lease_desc, spec_lease_check },		/* lease */
    185 	{ &vop_ioctl_desc, spec_ioctl },		/* ioctl */
    186 	{ &vop_poll_desc, spec_poll },			/* poll */
    187 	{ &vop_revoke_desc, spec_revoke },		/* revoke */
    188 	{ &vop_mmap_desc, spec_mmap },			/* mmap */
    189 	{ &vop_fsync_desc, spec_fsync },		/* fsync */
    190 	{ &vop_seek_desc, spec_seek },			/* seek */
    191 	{ &vop_remove_desc, spec_remove },		/* remove */
    192 	{ &vop_link_desc, spec_link },			/* link */
    193 	{ &vop_rename_desc, spec_rename },		/* rename */
    194 	{ &vop_mkdir_desc, spec_mkdir },		/* mkdir */
    195 	{ &vop_rmdir_desc, spec_rmdir },		/* rmdir */
    196 	{ &vop_symlink_desc, spec_symlink },		/* symlink */
    197 	{ &vop_readdir_desc, spec_readdir },		/* readdir */
    198 	{ &vop_readlink_desc, spec_readlink },		/* readlink */
    199 	{ &vop_abortop_desc, spec_abortop },		/* abortop */
    200 	{ &vop_inactive_desc, ufs_inactive },		/* inactive */
    201 	{ &vop_reclaim_desc, lfs_reclaim },		/* reclaim */
    202 	{ &vop_lock_desc, ufs_lock },			/* lock */
    203 	{ &vop_unlock_desc, ufs_unlock },		/* unlock */
    204 	{ &vop_bmap_desc, spec_bmap },			/* bmap */
    205 	{ &vop_strategy_desc, spec_strategy },		/* strategy */
    206 	{ &vop_print_desc, ufs_print },			/* print */
    207 	{ &vop_islocked_desc, ufs_islocked },		/* islocked */
    208 	{ &vop_pathconf_desc, spec_pathconf },		/* pathconf */
    209 	{ &vop_advlock_desc, spec_advlock },		/* advlock */
    210 	{ &vop_blkatoff_desc, spec_blkatoff },		/* blkatoff */
    211 	{ &vop_valloc_desc, spec_valloc },		/* valloc */
    212 	{ &vop_vfree_desc, lfs_vfree },			/* vfree */
    213 	{ &vop_truncate_desc, spec_truncate },		/* truncate */
    214 	{ &vop_update_desc, lfs_update },		/* update */
    215 	{ &vop_bwrite_desc, lfs_bwrite },		/* bwrite */
    216 	{ (struct vnodeop_desc*)NULL, (int(*) __P((void *)))NULL }
    217 };
    218 struct vnodeopv_desc lfs_specop_opv_desc =
    219 	{ &lfs_specop_p, lfs_specop_entries };
    220 
    221 int (**lfs_fifoop_p) __P((void *));
    222 struct vnodeopv_entry_desc lfs_fifoop_entries[] = {
    223 	{ &vop_default_desc, vn_default_error },
    224 	{ &vop_lookup_desc, fifo_lookup },		/* lookup */
    225 	{ &vop_create_desc, fifo_create },		/* create */
    226 	{ &vop_mknod_desc, fifo_mknod },		/* mknod */
    227 	{ &vop_open_desc, fifo_open },			/* open */
    228 	{ &vop_close_desc, ufsfifo_close },		/* close */
    229 	{ &vop_access_desc, ufs_access },		/* access */
    230 	{ &vop_getattr_desc, lfs_getattr },		/* getattr */
    231 	{ &vop_setattr_desc, ufs_setattr },		/* setattr */
    232 	{ &vop_read_desc, ufsfifo_read },		/* read */
    233 	{ &vop_write_desc, ufsfifo_write },		/* write */
    234 	{ &vop_lease_desc, fifo_lease_check },		/* lease */
    235 	{ &vop_ioctl_desc, fifo_ioctl },		/* ioctl */
    236 	{ &vop_poll_desc, fifo_poll },			/* poll */
    237 	{ &vop_revoke_desc, fifo_revoke },		/* revoke */
    238 	{ &vop_mmap_desc, fifo_mmap },			/* mmap */
    239 	{ &vop_fsync_desc, fifo_fsync },		/* fsync */
    240 	{ &vop_seek_desc, fifo_seek },			/* seek */
    241 	{ &vop_remove_desc, fifo_remove },		/* remove */
    242 	{ &vop_link_desc, fifo_link },			/* link */
    243 	{ &vop_rename_desc, fifo_rename },		/* rename */
    244 	{ &vop_mkdir_desc, fifo_mkdir },		/* mkdir */
    245 	{ &vop_rmdir_desc, fifo_rmdir },		/* rmdir */
    246 	{ &vop_symlink_desc, fifo_symlink },		/* symlink */
    247 	{ &vop_readdir_desc, fifo_readdir },		/* readdir */
    248 	{ &vop_readlink_desc, fifo_readlink },		/* readlink */
    249 	{ &vop_abortop_desc, fifo_abortop },		/* abortop */
    250 	{ &vop_inactive_desc, ufs_inactive },		/* inactive */
    251 	{ &vop_reclaim_desc, lfs_reclaim },		/* reclaim */
    252 	{ &vop_lock_desc, ufs_lock },			/* lock */
    253 	{ &vop_unlock_desc, ufs_unlock },		/* unlock */
    254 	{ &vop_bmap_desc, fifo_bmap },			/* bmap */
    255 	{ &vop_strategy_desc, fifo_strategy },		/* strategy */
    256 	{ &vop_print_desc, ufs_print },			/* print */
    257 	{ &vop_islocked_desc, ufs_islocked },		/* islocked */
    258 	{ &vop_pathconf_desc, fifo_pathconf },		/* pathconf */
    259 	{ &vop_advlock_desc, fifo_advlock },		/* advlock */
    260 	{ &vop_blkatoff_desc, fifo_blkatoff },		/* blkatoff */
    261 	{ &vop_valloc_desc, fifo_valloc },		/* valloc */
    262 	{ &vop_vfree_desc, lfs_vfree },			/* vfree */
    263 	{ &vop_truncate_desc, fifo_truncate },		/* truncate */
    264 	{ &vop_update_desc, lfs_update },		/* update */
    265 	{ &vop_bwrite_desc, lfs_bwrite },		/* bwrite */
    266 	{ (struct vnodeop_desc*)NULL, (int(*) __P((void *)))NULL }
    267 };
    268 struct vnodeopv_desc lfs_fifoop_opv_desc =
    269 	{ &lfs_fifoop_p, lfs_fifoop_entries };
    270 
    271 #define	LFS_READWRITE
    272 #include <ufs/ufs/ufs_readwrite.c>
    273 #undef	LFS_READWRITE
    274 
    275 /*
    276  * Synch an open file.
    277  */
    278 /* ARGSUSED */
    279 int
    280 lfs_fsync(v)
    281 	void *v;
    282 {
    283 	struct vop_fsync_args /* {
    284 		struct vnode *a_vp;
    285 		struct ucred *a_cred;
    286 		int a_flags;
    287 		struct proc *a_p;
    288 	} */ *ap = v;
    289 
    290 	return (VOP_UPDATE(ap->a_vp, NULL, NULL,
    291 			   (ap->a_flags & FSYNC_WAIT) != 0 ? LFS_SYNC : 0)); /* XXX */
    292 }
    293 
    294 #ifdef LFS_USEDIROP
    295 /*
    296  * These macros are used to bracket UFS directory ops, so that we can
    297  * identify all the pages touched during directory ops which need to
    298  * be ordered and flushed atomically, so that they may be recovered.
    299  */
    300 /*
    301  * XXX KS - Because we have to mark nodes VDIROP in order to prevent
    302  * the cache from reclaiming them while a dirop is in progress, we must
    303  * also manage the number of nodes so marked (otherwise we can run out).
    304  * We do this by setting lfs_dirvcount to the number of marked vnodes; it
    305  * is decremented during segment write, when VDIROP is taken off.
    306  */
    307 #define	SET_DIROP(fs) {							\
    308 	while ((fs)->lfs_writer || (fs)->lfs_dirvcount>LFS_MAXDIROP) {	\
    309 		if((fs)->lfs_writer)					\
    310 			tsleep(&(fs)->lfs_dirops, PRIBIO + 1, "lfs_dirop", 0);\
    311 		if((fs)->lfs_dirvcount > LFS_MAXDIROP) {		\
    312 			printf("(dirvcount=%d)\n",(fs)->lfs_dirvcount); \
    313 			tsleep(&(fs)->lfs_dirvcount, PRIBIO + 1, "lfs_maxdirop", 0);\
    314 		}							\
    315 	}								\
    316 	++(fs)->lfs_dirops;						\
    317 	(fs)->lfs_doifile = 1;						\
    318 }
    319 
    320 #define	SET_ENDOP(fs) {							\
    321 	--(fs)->lfs_dirops;						\
    322 	if (!(fs)->lfs_dirops) {					\
    323 		wakeup(&(fs)->lfs_writer);				\
    324 		if ((fs)->lfs_dirvcount > LFS_MAXDIROP)			\
    325 			lfs_flush((fs),0);				\
    326 	}								\
    327 }
    328 
    329 #define	MARK_VNODE(dvp)  do {                                           \
    330         if(!((dvp)->v_flag & VDIROP)) {					\
    331                 lfs_vref(dvp);						\
    332 		++VTOI((dvp))->i_lfs->lfs_dirvcount;			\
    333 	}								\
    334         (dvp)->v_flag |= VDIROP;					\
    335 } while(0)
    336 
    337 int
    338 lfs_symlink(v)
    339 	void *v;
    340 {
    341 	struct vop_symlink_args /* {
    342 		struct vnode *a_dvp;
    343 		struct vnode **a_vpp;
    344 		struct componentname *a_cnp;
    345 		struct vattr *a_vap;
    346 		char *a_target;
    347 	} */ *ap = v;
    348 	int ret;
    349 
    350 	SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
    351 	MARK_VNODE(ap->a_dvp);
    352 	ret = ufs_symlink(ap);
    353 	SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
    354 	return (ret);
    355 }
    356 
    357 int
    358 lfs_mknod(v)
    359 	void *v;
    360 {
    361 	struct vop_mknod_args	/* {
    362 		struct vnode *a_dvp;
    363 		struct vnode **a_vpp;
    364 		struct componentname *a_cnp;
    365 		struct vattr *a_vap;
    366 		} */ *ap = v;
    367 	int ret;
    368 
    369 	SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
    370 	MARK_VNODE(ap->a_dvp);
    371 	ret = ufs_mknod(ap);
    372 	SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
    373 	return (ret);
    374 }
    375 
    376 int
    377 lfs_create(v)
    378 	void *v;
    379 {
    380 	struct vop_create_args	/* {
    381 		struct vnode *a_dvp;
    382 		struct vnode **a_vpp;
    383 		struct componentname *a_cnp;
    384 		struct vattr *a_vap;
    385 	} */ *ap = v;
    386 	int ret;
    387 
    388 	SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
    389 	MARK_VNODE(ap->a_dvp);
    390 	ret = ufs_create(ap);
    391 	SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
    392 	return (ret);
    393 }
    394 
    395 int
    396 lfs_whiteout(v)
    397 	void *v;
    398 {
    399 	struct vop_whiteout_args /* {
    400 		struct vnode *a_dvp;
    401 		struct componentname *a_cnp;
    402 		int a_flags;
    403 	} */ *ap = v;
    404 	int ret;
    405 
    406 	SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
    407 	MARK_VNODE(ap->a_dvp);
    408 	ret = ufs_whiteout(ap);
    409 	SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
    410 	return (ret);
    411 }
    412 
    413 int
    414 lfs_mkdir(v)
    415 	void *v;
    416 {
    417 	struct vop_mkdir_args	/* {
    418 		struct vnode *a_dvp;
    419 		struct vnode **a_vpp;
    420 		struct componentname *a_cnp;
    421 		struct vattr *a_vap;
    422 	} */ *ap = v;
    423 	int ret;
    424 
    425 	SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
    426 	MARK_VNODE(ap->a_dvp);
    427 	ret = ufs_mkdir(ap);
    428 	SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
    429 	return (ret);
    430 }
    431 
    432 int
    433 lfs_remove(v)
    434 	void *v;
    435 {
    436 	struct vop_remove_args	/* {
    437 		struct vnode *a_dvp;
    438 		struct vnode *a_vp;
    439 		struct componentname *a_cnp;
    440 	} */ *ap = v;
    441 	int ret;
    442 
    443 	SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
    444 	MARK_VNODE(ap->a_dvp);
    445 	MARK_VNODE(ap->a_vp);
    446 	ret = ufs_remove(ap);
    447 	SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
    448 	return (ret);
    449 }
    450 
    451 int
    452 lfs_rmdir(v)
    453 	void *v;
    454 {
    455 	struct vop_rmdir_args	/* {
    456 		struct vnodeop_desc *a_desc;
    457 		struct vnode *a_dvp;
    458 		struct vnode *a_vp;
    459 		struct componentname *a_cnp;
    460 	} */ *ap = v;
    461 	int ret;
    462 
    463 	SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
    464 	MARK_VNODE(ap->a_dvp);
    465 	MARK_VNODE(ap->a_vp);
    466 	ret = ufs_rmdir(ap);
    467 	SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
    468 	return (ret);
    469 }
    470 
    471 int
    472 lfs_link(v)
    473 	void *v;
    474 {
    475 	struct vop_link_args	/* {
    476 		struct vnode *a_dvp;
    477 		struct vnode *a_vp;
    478 		struct componentname *a_cnp;
    479 	} */ *ap = v;
    480 	int ret;
    481 
    482 	SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
    483 	MARK_VNODE(ap->a_dvp);
    484 	ret = ufs_link(ap);
    485 	SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
    486 	return (ret);
    487 }
    488 
    489 int
    490 lfs_rename(v)
    491 	void *v;
    492 {
    493 	struct vop_rename_args	/* {
    494 		struct vnode *a_fdvp;
    495 		struct vnode *a_fvp;
    496 		struct componentname *a_fcnp;
    497 		struct vnode *a_tdvp;
    498 		struct vnode *a_tvp;
    499 		struct componentname *a_tcnp;
    500 	} */ *ap = v;
    501 	int ret;
    502 
    503 	SET_DIROP(VTOI(ap->a_fdvp)->i_lfs);
    504 	MARK_VNODE(ap->a_fdvp);
    505 	MARK_VNODE(ap->a_tdvp);
    506 	ret = ufs_rename(ap);
    507 	SET_ENDOP(VTOI(ap->a_fdvp)->i_lfs);
    508 	return (ret);
    509 }
    510 #endif /* LFS_USEDIROP */
    511 
    512 /* XXX hack to avoid calling ITIMES in getattr */
    513 int
    514 lfs_getattr(v)
    515 	void *v;
    516 {
    517 	struct vop_getattr_args /* {
    518 		struct vnode *a_vp;
    519 		struct vattr *a_vap;
    520 		struct ucred *a_cred;
    521 		struct proc *a_p;
    522 	} */ *ap = v;
    523 	register struct vnode *vp = ap->a_vp;
    524 	register struct inode *ip = VTOI(vp);
    525 	register struct vattr *vap = ap->a_vap;
    526 	/*
    527 	 * Copy from inode table
    528 	 */
    529 	vap->va_fsid = ip->i_dev;
    530 	vap->va_fileid = ip->i_number;
    531 	vap->va_mode = ip->i_ffs_mode & ~IFMT;
    532 	vap->va_nlink = ip->i_ffs_nlink;
    533 	vap->va_uid = ip->i_ffs_uid;
    534 	vap->va_gid = ip->i_ffs_gid;
    535 	vap->va_rdev = (dev_t)ip->i_ffs_rdev;
    536 	vap->va_size = ip->i_ffs_size;
    537 	vap->va_atime.tv_sec = ip->i_ffs_atime;
    538 	vap->va_atime.tv_nsec = ip->i_ffs_atimensec;
    539 	vap->va_mtime.tv_sec = ip->i_ffs_mtime;
    540 	vap->va_mtime.tv_nsec = ip->i_ffs_mtimensec;
    541 	vap->va_ctime.tv_sec = ip->i_ffs_ctime;
    542 	vap->va_ctime.tv_nsec = ip->i_ffs_ctimensec;
    543 	vap->va_flags = ip->i_ffs_flags;
    544 	vap->va_gen = ip->i_ffs_gen;
    545 	/* this doesn't belong here */
    546 	if (vp->v_type == VBLK)
    547 		vap->va_blocksize = BLKDEV_IOSIZE;
    548 	else if (vp->v_type == VCHR)
    549 		vap->va_blocksize = MAXBSIZE;
    550 	else
    551 		vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize;
    552 	vap->va_bytes = dbtob((u_quad_t)ip->i_ffs_blocks);
    553 	vap->va_type = vp->v_type;
    554 	vap->va_filerev = ip->i_modrev;
    555 	return (0);
    556 }
    557 
    558 /*
    559  * Close called
    560  *
    561  * XXX -- we were using ufs_close, but since it updates the
    562  * times on the inode, we might need to bump the uinodes
    563  * count.
    564  */
    565 /* ARGSUSED */
    566 int
    567 lfs_close(v)
    568 	void *v;
    569 {
    570 	struct vop_close_args /* {
    571 		struct vnode *a_vp;
    572 		int  a_fflag;
    573 		struct ucred *a_cred;
    574 		struct proc *a_p;
    575 	} */ *ap = v;
    576 	register struct vnode *vp = ap->a_vp;
    577 	register struct inode *ip = VTOI(vp);
    578 	int mod;
    579 	struct timespec ts;
    580 
    581 	simple_lock(&vp->v_interlock);
    582 	if (vp->v_usecount > 1) {
    583 		mod = ip->i_flag & IN_MODIFIED;
    584 		TIMEVAL_TO_TIMESPEC(&time, &ts);
    585 		LFS_ITIMES(ip, &ts, &ts, &ts);
    586 		if (!mod && ip->i_flag & IN_MODIFIED)
    587 			ip->i_lfs->lfs_uinodes++;
    588 	}
    589 	simple_unlock(&vp->v_interlock);
    590 	return (0);
    591 }
    592 
    593 /*
    594  * Reclaim an inode so that it can be used for other purposes.
    595  */
    596 int lfs_no_inactive = 0;
    597 
    598 int
    599 lfs_reclaim(v)
    600 	void *v;
    601 {
    602 	struct vop_reclaim_args /* {
    603 		struct vnode *a_vp;
    604 		struct proc *a_p;
    605 	} */ *ap = v;
    606 	struct vnode *vp = ap->a_vp;
    607 	int error;
    608 
    609 	if ((error = ufs_reclaim(vp, ap->a_p)))
    610 		return (error);
    611 	pool_put(&lfs_inode_pool, vp->v_data);
    612 	vp->v_data = NULL;
    613 	return (0);
    614 }
    615