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lfs_vnops.c revision 1.22
      1  1.22  perseant /*	$NetBSD: lfs_vnops.c,v 1.22 1999/03/10 00:20:00 perseant Exp $	*/
      2   1.2       cgd 
      3  1.22  perseant /*-
      4  1.22  perseant  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5  1.22  perseant  * All rights reserved.
      6  1.22  perseant  *
      7  1.22  perseant  * This code is derived from software contributed to The NetBSD Foundation
      8  1.22  perseant  * by Konrad E. Schroder <perseant (at) hhhh.org>.
      9  1.22  perseant  *
     10  1.22  perseant  * Redistribution and use in source and binary forms, with or without
     11  1.22  perseant  * modification, are permitted provided that the following conditions
     12  1.22  perseant  * are met:
     13  1.22  perseant  * 1. Redistributions of source code must retain the above copyright
     14  1.22  perseant  *    notice, this list of conditions and the following disclaimer.
     15  1.22  perseant  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.22  perseant  *    notice, this list of conditions and the following disclaimer in the
     17  1.22  perseant  *    documentation and/or other materials provided with the distribution.
     18  1.22  perseant  * 3. All advertising materials mentioning features or use of this software
     19  1.22  perseant  *    must display the following acknowledgement:
     20  1.22  perseant  *      This product includes software developed by the NetBSD
     21  1.22  perseant  *      Foundation, Inc. and its contributors.
     22  1.22  perseant  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  1.22  perseant  *    contributors may be used to endorse or promote products derived
     24  1.22  perseant  *    from this software without specific prior written permission.
     25  1.22  perseant  *
     26  1.22  perseant  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  1.22  perseant  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  1.22  perseant  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  1.22  perseant  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  1.22  perseant  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  1.22  perseant  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  1.22  perseant  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  1.22  perseant  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  1.22  perseant  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  1.22  perseant  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  1.22  perseant  * POSSIBILITY OF SUCH DAMAGE.
     37  1.22  perseant  */
     38   1.1   mycroft /*
     39  1.15      fvdl  * Copyright (c) 1986, 1989, 1991, 1993, 1995
     40   1.1   mycroft  *	The Regents of the University of California.  All rights reserved.
     41   1.1   mycroft  *
     42   1.1   mycroft  * Redistribution and use in source and binary forms, with or without
     43   1.1   mycroft  * modification, are permitted provided that the following conditions
     44   1.1   mycroft  * are met:
     45   1.1   mycroft  * 1. Redistributions of source code must retain the above copyright
     46   1.1   mycroft  *    notice, this list of conditions and the following disclaimer.
     47   1.1   mycroft  * 2. Redistributions in binary form must reproduce the above copyright
     48   1.1   mycroft  *    notice, this list of conditions and the following disclaimer in the
     49   1.1   mycroft  *    documentation and/or other materials provided with the distribution.
     50   1.1   mycroft  * 3. All advertising materials mentioning features or use of this software
     51   1.1   mycroft  *    must display the following acknowledgement:
     52   1.1   mycroft  *	This product includes software developed by the University of
     53   1.1   mycroft  *	California, Berkeley and its contributors.
     54   1.1   mycroft  * 4. Neither the name of the University nor the names of its contributors
     55   1.1   mycroft  *    may be used to endorse or promote products derived from this software
     56   1.1   mycroft  *    without specific prior written permission.
     57   1.1   mycroft  *
     58   1.1   mycroft  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     59   1.1   mycroft  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     60   1.1   mycroft  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     61   1.1   mycroft  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     62   1.1   mycroft  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     63   1.1   mycroft  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     64   1.1   mycroft  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     65   1.1   mycroft  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     66   1.1   mycroft  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     67   1.1   mycroft  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     68   1.1   mycroft  * SUCH DAMAGE.
     69   1.1   mycroft  *
     70  1.15      fvdl  *	@(#)lfs_vnops.c	8.13 (Berkeley) 6/10/95
     71   1.1   mycroft  */
     72  1.17  sommerfe 
     73   1.1   mycroft #include <sys/param.h>
     74   1.1   mycroft #include <sys/systm.h>
     75   1.1   mycroft #include <sys/namei.h>
     76   1.1   mycroft #include <sys/resourcevar.h>
     77   1.1   mycroft #include <sys/kernel.h>
     78   1.1   mycroft #include <sys/file.h>
     79   1.1   mycroft #include <sys/stat.h>
     80   1.1   mycroft #include <sys/buf.h>
     81   1.1   mycroft #include <sys/proc.h>
     82   1.1   mycroft #include <sys/conf.h>
     83   1.1   mycroft #include <sys/mount.h>
     84   1.1   mycroft #include <sys/vnode.h>
     85   1.1   mycroft #include <sys/malloc.h>
     86  1.19   thorpej #include <sys/pool.h>
     87  1.10  christos #include <sys/signalvar.h>
     88   1.1   mycroft 
     89   1.1   mycroft #include <vm/vm.h>
     90   1.1   mycroft 
     91  1.12   mycroft #include <miscfs/fifofs/fifo.h>
     92  1.12   mycroft #include <miscfs/genfs/genfs.h>
     93   1.1   mycroft #include <miscfs/specfs/specdev.h>
     94   1.1   mycroft 
     95   1.1   mycroft #include <ufs/ufs/quota.h>
     96   1.1   mycroft #include <ufs/ufs/inode.h>
     97   1.1   mycroft #include <ufs/ufs/dir.h>
     98   1.1   mycroft #include <ufs/ufs/ufsmount.h>
     99   1.1   mycroft #include <ufs/ufs/ufs_extern.h>
    100   1.1   mycroft 
    101   1.1   mycroft #include <ufs/lfs/lfs.h>
    102   1.1   mycroft #include <ufs/lfs/lfs_extern.h>
    103   1.1   mycroft 
    104   1.1   mycroft /* Global vfs data structures for lfs. */
    105  1.10  christos int (**lfs_vnodeop_p) __P((void *));
    106   1.1   mycroft struct vnodeopv_entry_desc lfs_vnodeop_entries[] = {
    107   1.1   mycroft 	{ &vop_default_desc, vn_default_error },
    108   1.1   mycroft 	{ &vop_lookup_desc, ufs_lookup },		/* lookup */
    109  1.22  perseant #ifndef LFS_USEDIROP
    110   1.1   mycroft 	{ &vop_create_desc, ufs_create },		/* create */
    111   1.6   mycroft 	{ &vop_whiteout_desc, ufs_whiteout },		/* whiteout */
    112   1.1   mycroft 	{ &vop_mknod_desc, ufs_mknod },			/* mknod */
    113  1.22  perseant #else
    114  1.22  perseant 	{ &vop_create_desc, lfs_create },		/* create */
    115  1.22  perseant 	{ &vop_whiteout_desc, lfs_whiteout },		/* whiteout */
    116  1.22  perseant 	{ &vop_mknod_desc, lfs_mknod },			/* mknod */
    117  1.22  perseant #endif
    118   1.1   mycroft 	{ &vop_open_desc, ufs_open },			/* open */
    119   1.1   mycroft 	{ &vop_close_desc, lfs_close },			/* close */
    120   1.1   mycroft 	{ &vop_access_desc, ufs_access },		/* access */
    121   1.1   mycroft 	{ &vop_getattr_desc, lfs_getattr },		/* getattr */
    122   1.1   mycroft 	{ &vop_setattr_desc, ufs_setattr },		/* setattr */
    123   1.1   mycroft 	{ &vop_read_desc, lfs_read },			/* read */
    124   1.1   mycroft 	{ &vop_write_desc, lfs_write },			/* write */
    125   1.4   mycroft 	{ &vop_lease_desc, ufs_lease_check },		/* lease */
    126   1.1   mycroft 	{ &vop_ioctl_desc, ufs_ioctl },			/* ioctl */
    127  1.13   mycroft 	{ &vop_poll_desc, ufs_poll },			/* poll */
    128  1.15      fvdl 	{ &vop_revoke_desc, ufs_revoke },		/* revoke */
    129   1.1   mycroft 	{ &vop_mmap_desc, ufs_mmap },			/* mmap */
    130   1.1   mycroft 	{ &vop_fsync_desc, lfs_fsync },			/* fsync */
    131   1.1   mycroft 	{ &vop_seek_desc, ufs_seek },			/* seek */
    132  1.22  perseant #ifndef LFS_USEDIROP
    133   1.1   mycroft 	{ &vop_remove_desc, ufs_remove },		/* remove */
    134   1.1   mycroft 	{ &vop_link_desc, ufs_link },			/* link */
    135   1.1   mycroft 	{ &vop_rename_desc, ufs_rename },		/* rename */
    136   1.1   mycroft 	{ &vop_mkdir_desc, ufs_mkdir },			/* mkdir */
    137   1.1   mycroft 	{ &vop_rmdir_desc, ufs_rmdir },			/* rmdir */
    138   1.1   mycroft 	{ &vop_symlink_desc, ufs_symlink },		/* symlink */
    139  1.22  perseant #else
    140  1.22  perseant 	{ &vop_remove_desc, lfs_remove },		/* remove */
    141  1.22  perseant 	{ &vop_link_desc, lfs_link },			/* link */
    142  1.22  perseant 	{ &vop_rename_desc, lfs_rename },		/* rename */
    143  1.22  perseant 	{ &vop_mkdir_desc, lfs_mkdir },			/* mkdir */
    144  1.22  perseant 	{ &vop_rmdir_desc, lfs_rmdir },			/* rmdir */
    145  1.22  perseant 	{ &vop_symlink_desc, lfs_symlink },		/* symlink */
    146  1.22  perseant #endif
    147   1.1   mycroft 	{ &vop_readdir_desc, ufs_readdir },		/* readdir */
    148   1.1   mycroft 	{ &vop_readlink_desc, ufs_readlink },		/* readlink */
    149   1.1   mycroft 	{ &vop_abortop_desc, ufs_abortop },		/* abortop */
    150  1.15      fvdl 	{ &vop_inactive_desc, ufs_inactive },		/* inactive */
    151   1.1   mycroft 	{ &vop_reclaim_desc, lfs_reclaim },		/* reclaim */
    152   1.1   mycroft 	{ &vop_lock_desc, ufs_lock },			/* lock */
    153   1.1   mycroft 	{ &vop_unlock_desc, ufs_unlock },		/* unlock */
    154   1.1   mycroft 	{ &vop_bmap_desc, ufs_bmap },			/* bmap */
    155   1.1   mycroft 	{ &vop_strategy_desc, ufs_strategy },		/* strategy */
    156   1.1   mycroft 	{ &vop_print_desc, ufs_print },			/* print */
    157   1.1   mycroft 	{ &vop_islocked_desc, ufs_islocked },		/* islocked */
    158   1.1   mycroft 	{ &vop_pathconf_desc, ufs_pathconf },		/* pathconf */
    159   1.1   mycroft 	{ &vop_advlock_desc, ufs_advlock },		/* advlock */
    160   1.1   mycroft 	{ &vop_blkatoff_desc, lfs_blkatoff },		/* blkatoff */
    161   1.1   mycroft 	{ &vop_valloc_desc, lfs_valloc },		/* valloc */
    162   1.1   mycroft 	{ &vop_vfree_desc, lfs_vfree },			/* vfree */
    163   1.1   mycroft 	{ &vop_truncate_desc, lfs_truncate },		/* truncate */
    164   1.1   mycroft 	{ &vop_update_desc, lfs_update },		/* update */
    165   1.1   mycroft 	{ &vop_bwrite_desc, lfs_bwrite },		/* bwrite */
    166  1.10  christos 	{ (struct vnodeop_desc*)NULL, (int(*) __P((void *)))NULL }
    167   1.1   mycroft };
    168   1.1   mycroft struct vnodeopv_desc lfs_vnodeop_opv_desc =
    169   1.1   mycroft 	{ &lfs_vnodeop_p, lfs_vnodeop_entries };
    170   1.1   mycroft 
    171  1.10  christos int (**lfs_specop_p) __P((void *));
    172   1.1   mycroft struct vnodeopv_entry_desc lfs_specop_entries[] = {
    173   1.1   mycroft 	{ &vop_default_desc, vn_default_error },
    174   1.1   mycroft 	{ &vop_lookup_desc, spec_lookup },		/* lookup */
    175   1.1   mycroft 	{ &vop_create_desc, spec_create },		/* create */
    176   1.1   mycroft 	{ &vop_mknod_desc, spec_mknod },		/* mknod */
    177   1.1   mycroft 	{ &vop_open_desc, spec_open },			/* open */
    178   1.1   mycroft 	{ &vop_close_desc, ufsspec_close },		/* close */
    179   1.1   mycroft 	{ &vop_access_desc, ufs_access },		/* access */
    180   1.1   mycroft 	{ &vop_getattr_desc, lfs_getattr },		/* getattr */
    181   1.1   mycroft 	{ &vop_setattr_desc, ufs_setattr },		/* setattr */
    182   1.1   mycroft 	{ &vop_read_desc, ufsspec_read },		/* read */
    183   1.1   mycroft 	{ &vop_write_desc, ufsspec_write },		/* write */
    184   1.4   mycroft 	{ &vop_lease_desc, spec_lease_check },		/* lease */
    185   1.1   mycroft 	{ &vop_ioctl_desc, spec_ioctl },		/* ioctl */
    186  1.13   mycroft 	{ &vop_poll_desc, spec_poll },			/* poll */
    187  1.15      fvdl 	{ &vop_revoke_desc, spec_revoke },		/* revoke */
    188   1.1   mycroft 	{ &vop_mmap_desc, spec_mmap },			/* mmap */
    189   1.1   mycroft 	{ &vop_fsync_desc, spec_fsync },		/* fsync */
    190   1.1   mycroft 	{ &vop_seek_desc, spec_seek },			/* seek */
    191   1.1   mycroft 	{ &vop_remove_desc, spec_remove },		/* remove */
    192   1.1   mycroft 	{ &vop_link_desc, spec_link },			/* link */
    193   1.1   mycroft 	{ &vop_rename_desc, spec_rename },		/* rename */
    194   1.1   mycroft 	{ &vop_mkdir_desc, spec_mkdir },		/* mkdir */
    195   1.1   mycroft 	{ &vop_rmdir_desc, spec_rmdir },		/* rmdir */
    196   1.1   mycroft 	{ &vop_symlink_desc, spec_symlink },		/* symlink */
    197   1.1   mycroft 	{ &vop_readdir_desc, spec_readdir },		/* readdir */
    198   1.1   mycroft 	{ &vop_readlink_desc, spec_readlink },		/* readlink */
    199   1.1   mycroft 	{ &vop_abortop_desc, spec_abortop },		/* abortop */
    200  1.15      fvdl 	{ &vop_inactive_desc, ufs_inactive },		/* inactive */
    201   1.1   mycroft 	{ &vop_reclaim_desc, lfs_reclaim },		/* reclaim */
    202   1.1   mycroft 	{ &vop_lock_desc, ufs_lock },			/* lock */
    203   1.1   mycroft 	{ &vop_unlock_desc, ufs_unlock },		/* unlock */
    204   1.1   mycroft 	{ &vop_bmap_desc, spec_bmap },			/* bmap */
    205   1.1   mycroft 	{ &vop_strategy_desc, spec_strategy },		/* strategy */
    206   1.1   mycroft 	{ &vop_print_desc, ufs_print },			/* print */
    207   1.1   mycroft 	{ &vop_islocked_desc, ufs_islocked },		/* islocked */
    208   1.1   mycroft 	{ &vop_pathconf_desc, spec_pathconf },		/* pathconf */
    209   1.1   mycroft 	{ &vop_advlock_desc, spec_advlock },		/* advlock */
    210   1.1   mycroft 	{ &vop_blkatoff_desc, spec_blkatoff },		/* blkatoff */
    211   1.1   mycroft 	{ &vop_valloc_desc, spec_valloc },		/* valloc */
    212   1.1   mycroft 	{ &vop_vfree_desc, lfs_vfree },			/* vfree */
    213   1.1   mycroft 	{ &vop_truncate_desc, spec_truncate },		/* truncate */
    214   1.1   mycroft 	{ &vop_update_desc, lfs_update },		/* update */
    215   1.1   mycroft 	{ &vop_bwrite_desc, lfs_bwrite },		/* bwrite */
    216  1.10  christos 	{ (struct vnodeop_desc*)NULL, (int(*) __P((void *)))NULL }
    217   1.1   mycroft };
    218   1.1   mycroft struct vnodeopv_desc lfs_specop_opv_desc =
    219   1.1   mycroft 	{ &lfs_specop_p, lfs_specop_entries };
    220   1.1   mycroft 
    221  1.10  christos int (**lfs_fifoop_p) __P((void *));
    222   1.1   mycroft struct vnodeopv_entry_desc lfs_fifoop_entries[] = {
    223   1.1   mycroft 	{ &vop_default_desc, vn_default_error },
    224   1.1   mycroft 	{ &vop_lookup_desc, fifo_lookup },		/* lookup */
    225   1.1   mycroft 	{ &vop_create_desc, fifo_create },		/* create */
    226   1.1   mycroft 	{ &vop_mknod_desc, fifo_mknod },		/* mknod */
    227   1.1   mycroft 	{ &vop_open_desc, fifo_open },			/* open */
    228   1.1   mycroft 	{ &vop_close_desc, ufsfifo_close },		/* close */
    229   1.1   mycroft 	{ &vop_access_desc, ufs_access },		/* access */
    230   1.1   mycroft 	{ &vop_getattr_desc, lfs_getattr },		/* getattr */
    231   1.1   mycroft 	{ &vop_setattr_desc, ufs_setattr },		/* setattr */
    232   1.1   mycroft 	{ &vop_read_desc, ufsfifo_read },		/* read */
    233   1.1   mycroft 	{ &vop_write_desc, ufsfifo_write },		/* write */
    234   1.4   mycroft 	{ &vop_lease_desc, fifo_lease_check },		/* lease */
    235   1.1   mycroft 	{ &vop_ioctl_desc, fifo_ioctl },		/* ioctl */
    236  1.13   mycroft 	{ &vop_poll_desc, fifo_poll },			/* poll */
    237  1.15      fvdl 	{ &vop_revoke_desc, fifo_revoke },		/* revoke */
    238   1.1   mycroft 	{ &vop_mmap_desc, fifo_mmap },			/* mmap */
    239   1.1   mycroft 	{ &vop_fsync_desc, fifo_fsync },		/* fsync */
    240   1.1   mycroft 	{ &vop_seek_desc, fifo_seek },			/* seek */
    241   1.1   mycroft 	{ &vop_remove_desc, fifo_remove },		/* remove */
    242   1.1   mycroft 	{ &vop_link_desc, fifo_link },			/* link */
    243   1.1   mycroft 	{ &vop_rename_desc, fifo_rename },		/* rename */
    244   1.1   mycroft 	{ &vop_mkdir_desc, fifo_mkdir },		/* mkdir */
    245   1.1   mycroft 	{ &vop_rmdir_desc, fifo_rmdir },		/* rmdir */
    246   1.1   mycroft 	{ &vop_symlink_desc, fifo_symlink },		/* symlink */
    247   1.1   mycroft 	{ &vop_readdir_desc, fifo_readdir },		/* readdir */
    248   1.1   mycroft 	{ &vop_readlink_desc, fifo_readlink },		/* readlink */
    249   1.1   mycroft 	{ &vop_abortop_desc, fifo_abortop },		/* abortop */
    250  1.15      fvdl 	{ &vop_inactive_desc, ufs_inactive },		/* inactive */
    251   1.1   mycroft 	{ &vop_reclaim_desc, lfs_reclaim },		/* reclaim */
    252   1.1   mycroft 	{ &vop_lock_desc, ufs_lock },			/* lock */
    253   1.1   mycroft 	{ &vop_unlock_desc, ufs_unlock },		/* unlock */
    254   1.1   mycroft 	{ &vop_bmap_desc, fifo_bmap },			/* bmap */
    255   1.1   mycroft 	{ &vop_strategy_desc, fifo_strategy },		/* strategy */
    256   1.1   mycroft 	{ &vop_print_desc, ufs_print },			/* print */
    257   1.1   mycroft 	{ &vop_islocked_desc, ufs_islocked },		/* islocked */
    258   1.1   mycroft 	{ &vop_pathconf_desc, fifo_pathconf },		/* pathconf */
    259   1.1   mycroft 	{ &vop_advlock_desc, fifo_advlock },		/* advlock */
    260   1.1   mycroft 	{ &vop_blkatoff_desc, fifo_blkatoff },		/* blkatoff */
    261   1.1   mycroft 	{ &vop_valloc_desc, fifo_valloc },		/* valloc */
    262   1.1   mycroft 	{ &vop_vfree_desc, lfs_vfree },			/* vfree */
    263   1.1   mycroft 	{ &vop_truncate_desc, fifo_truncate },		/* truncate */
    264   1.1   mycroft 	{ &vop_update_desc, lfs_update },		/* update */
    265   1.1   mycroft 	{ &vop_bwrite_desc, lfs_bwrite },		/* bwrite */
    266  1.10  christos 	{ (struct vnodeop_desc*)NULL, (int(*) __P((void *)))NULL }
    267   1.1   mycroft };
    268   1.1   mycroft struct vnodeopv_desc lfs_fifoop_opv_desc =
    269   1.1   mycroft 	{ &lfs_fifoop_p, lfs_fifoop_entries };
    270   1.1   mycroft 
    271   1.1   mycroft #define	LFS_READWRITE
    272   1.1   mycroft #include <ufs/ufs/ufs_readwrite.c>
    273   1.1   mycroft #undef	LFS_READWRITE
    274   1.1   mycroft 
    275   1.1   mycroft /*
    276   1.1   mycroft  * Synch an open file.
    277   1.1   mycroft  */
    278   1.1   mycroft /* ARGSUSED */
    279  1.10  christos int
    280  1.10  christos lfs_fsync(v)
    281  1.10  christos 	void *v;
    282  1.10  christos {
    283   1.1   mycroft 	struct vop_fsync_args /* {
    284   1.1   mycroft 		struct vnode *a_vp;
    285   1.1   mycroft 		struct ucred *a_cred;
    286  1.22  perseant 		int a_flags;
    287   1.1   mycroft 		struct proc *a_p;
    288  1.10  christos 	} */ *ap = v;
    289  1.22  perseant 
    290  1.21   mycroft 	return (VOP_UPDATE(ap->a_vp, NULL, NULL,
    291  1.22  perseant 			   (ap->a_flags & FSYNC_WAIT) != 0 ? LFS_SYNC : 0)); /* XXX */
    292   1.1   mycroft }
    293   1.1   mycroft 
    294  1.22  perseant #ifdef LFS_USEDIROP
    295   1.1   mycroft /*
    296   1.1   mycroft  * These macros are used to bracket UFS directory ops, so that we can
    297   1.1   mycroft  * identify all the pages touched during directory ops which need to
    298   1.1   mycroft  * be ordered and flushed atomically, so that they may be recovered.
    299   1.1   mycroft  */
    300  1.22  perseant /*
    301  1.22  perseant  * XXX KS - Because we have to mark nodes VDIROP in order to prevent
    302  1.22  perseant  * the cache from reclaiming them while a dirop is in progress, we must
    303  1.22  perseant  * also manage the number of nodes so marked (otherwise we can run out).
    304  1.22  perseant  * We do this by setting lfs_dirvcount to the number of marked vnodes; it
    305  1.22  perseant  * is decremented during segment write, when VDIROP is taken off.
    306  1.22  perseant  */
    307   1.1   mycroft #define	SET_DIROP(fs) {							\
    308  1.22  perseant 	while ((fs)->lfs_writer || (fs)->lfs_dirvcount>LFS_MAXDIROP) {	\
    309  1.22  perseant 		if((fs)->lfs_writer)					\
    310  1.22  perseant 			tsleep(&(fs)->lfs_dirops, PRIBIO + 1, "lfs_dirop", 0);\
    311  1.22  perseant 		if((fs)->lfs_dirvcount > LFS_MAXDIROP) {		\
    312  1.22  perseant 			printf("(dirvcount=%d)\n",(fs)->lfs_dirvcount); \
    313  1.22  perseant 			tsleep(&(fs)->lfs_dirvcount, PRIBIO + 1, "lfs_maxdirop", 0);\
    314  1.22  perseant 		}							\
    315  1.22  perseant 	}								\
    316   1.1   mycroft 	++(fs)->lfs_dirops;						\
    317   1.1   mycroft 	(fs)->lfs_doifile = 1;						\
    318   1.1   mycroft }
    319   1.1   mycroft 
    320   1.1   mycroft #define	SET_ENDOP(fs) {							\
    321   1.1   mycroft 	--(fs)->lfs_dirops;						\
    322  1.22  perseant 	if (!(fs)->lfs_dirops) {					\
    323   1.1   mycroft 		wakeup(&(fs)->lfs_writer);				\
    324  1.22  perseant 		if ((fs)->lfs_dirvcount > LFS_MAXDIROP)			\
    325  1.22  perseant 			lfs_flush((fs),0);				\
    326  1.22  perseant 	}								\
    327   1.1   mycroft }
    328   1.1   mycroft 
    329  1.22  perseant #define	MARK_VNODE(dvp)  do {                                           \
    330  1.22  perseant         if(!((dvp)->v_flag & VDIROP)) {					\
    331  1.22  perseant                 lfs_vref(dvp);						\
    332  1.22  perseant 		++VTOI((dvp))->i_lfs->lfs_dirvcount;			\
    333  1.22  perseant 	}								\
    334  1.22  perseant         (dvp)->v_flag |= VDIROP;					\
    335  1.22  perseant } while(0)
    336  1.15      fvdl 
    337   1.1   mycroft int
    338  1.10  christos lfs_symlink(v)
    339  1.10  christos 	void *v;
    340  1.10  christos {
    341   1.1   mycroft 	struct vop_symlink_args /* {
    342   1.1   mycroft 		struct vnode *a_dvp;
    343   1.1   mycroft 		struct vnode **a_vpp;
    344   1.1   mycroft 		struct componentname *a_cnp;
    345   1.1   mycroft 		struct vattr *a_vap;
    346   1.1   mycroft 		char *a_target;
    347  1.10  christos 	} */ *ap = v;
    348   1.1   mycroft 	int ret;
    349   1.1   mycroft 
    350   1.1   mycroft 	SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
    351   1.1   mycroft 	MARK_VNODE(ap->a_dvp);
    352   1.1   mycroft 	ret = ufs_symlink(ap);
    353   1.1   mycroft 	SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
    354   1.1   mycroft 	return (ret);
    355   1.1   mycroft }
    356   1.1   mycroft 
    357   1.1   mycroft int
    358  1.10  christos lfs_mknod(v)
    359  1.10  christos 	void *v;
    360  1.10  christos {
    361  1.22  perseant 	struct vop_mknod_args	/* {
    362   1.1   mycroft 		struct vnode *a_dvp;
    363   1.1   mycroft 		struct vnode **a_vpp;
    364   1.1   mycroft 		struct componentname *a_cnp;
    365   1.1   mycroft 		struct vattr *a_vap;
    366  1.22  perseant 		} */ *ap = v;
    367   1.1   mycroft 	int ret;
    368   1.1   mycroft 
    369   1.1   mycroft 	SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
    370   1.1   mycroft 	MARK_VNODE(ap->a_dvp);
    371   1.1   mycroft 	ret = ufs_mknod(ap);
    372   1.1   mycroft 	SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
    373   1.1   mycroft 	return (ret);
    374   1.1   mycroft }
    375   1.1   mycroft 
    376   1.1   mycroft int
    377  1.10  christos lfs_create(v)
    378  1.10  christos 	void *v;
    379  1.10  christos {
    380  1.22  perseant 	struct vop_create_args	/* {
    381   1.1   mycroft 		struct vnode *a_dvp;
    382   1.1   mycroft 		struct vnode **a_vpp;
    383   1.1   mycroft 		struct componentname *a_cnp;
    384   1.1   mycroft 		struct vattr *a_vap;
    385  1.10  christos 	} */ *ap = v;
    386   1.1   mycroft 	int ret;
    387   1.1   mycroft 
    388   1.1   mycroft 	SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
    389   1.1   mycroft 	MARK_VNODE(ap->a_dvp);
    390   1.1   mycroft 	ret = ufs_create(ap);
    391   1.1   mycroft 	SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
    392   1.1   mycroft 	return (ret);
    393   1.1   mycroft }
    394   1.1   mycroft 
    395   1.1   mycroft int
    396  1.22  perseant lfs_whiteout(v)
    397  1.22  perseant 	void *v;
    398  1.22  perseant {
    399  1.22  perseant 	struct vop_whiteout_args /* {
    400  1.22  perseant 		struct vnode *a_dvp;
    401  1.22  perseant 		struct componentname *a_cnp;
    402  1.22  perseant 		int a_flags;
    403  1.22  perseant 	} */ *ap = v;
    404  1.22  perseant 	int ret;
    405  1.22  perseant 
    406  1.22  perseant 	SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
    407  1.22  perseant 	MARK_VNODE(ap->a_dvp);
    408  1.22  perseant 	ret = ufs_whiteout(ap);
    409  1.22  perseant 	SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
    410  1.22  perseant 	return (ret);
    411  1.22  perseant }
    412  1.22  perseant 
    413  1.22  perseant int
    414  1.10  christos lfs_mkdir(v)
    415  1.10  christos 	void *v;
    416  1.10  christos {
    417  1.22  perseant 	struct vop_mkdir_args	/* {
    418   1.1   mycroft 		struct vnode *a_dvp;
    419   1.1   mycroft 		struct vnode **a_vpp;
    420   1.1   mycroft 		struct componentname *a_cnp;
    421   1.1   mycroft 		struct vattr *a_vap;
    422  1.10  christos 	} */ *ap = v;
    423   1.1   mycroft 	int ret;
    424   1.1   mycroft 
    425   1.1   mycroft 	SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
    426   1.1   mycroft 	MARK_VNODE(ap->a_dvp);
    427   1.1   mycroft 	ret = ufs_mkdir(ap);
    428   1.1   mycroft 	SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
    429   1.1   mycroft 	return (ret);
    430   1.1   mycroft }
    431   1.1   mycroft 
    432   1.1   mycroft int
    433  1.10  christos lfs_remove(v)
    434  1.10  christos 	void *v;
    435  1.10  christos {
    436  1.22  perseant 	struct vop_remove_args	/* {
    437   1.1   mycroft 		struct vnode *a_dvp;
    438   1.1   mycroft 		struct vnode *a_vp;
    439   1.1   mycroft 		struct componentname *a_cnp;
    440  1.10  christos 	} */ *ap = v;
    441   1.1   mycroft 	int ret;
    442   1.1   mycroft 
    443   1.1   mycroft 	SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
    444   1.1   mycroft 	MARK_VNODE(ap->a_dvp);
    445   1.1   mycroft 	MARK_VNODE(ap->a_vp);
    446   1.1   mycroft 	ret = ufs_remove(ap);
    447   1.1   mycroft 	SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
    448   1.1   mycroft 	return (ret);
    449   1.1   mycroft }
    450   1.1   mycroft 
    451   1.1   mycroft int
    452  1.10  christos lfs_rmdir(v)
    453  1.10  christos 	void *v;
    454  1.10  christos {
    455  1.22  perseant 	struct vop_rmdir_args	/* {
    456   1.1   mycroft 		struct vnodeop_desc *a_desc;
    457   1.1   mycroft 		struct vnode *a_dvp;
    458   1.1   mycroft 		struct vnode *a_vp;
    459   1.1   mycroft 		struct componentname *a_cnp;
    460  1.10  christos 	} */ *ap = v;
    461   1.1   mycroft 	int ret;
    462   1.1   mycroft 
    463   1.1   mycroft 	SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
    464   1.1   mycroft 	MARK_VNODE(ap->a_dvp);
    465   1.1   mycroft 	MARK_VNODE(ap->a_vp);
    466   1.1   mycroft 	ret = ufs_rmdir(ap);
    467   1.1   mycroft 	SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
    468   1.1   mycroft 	return (ret);
    469   1.1   mycroft }
    470   1.1   mycroft 
    471   1.1   mycroft int
    472  1.10  christos lfs_link(v)
    473  1.10  christos 	void *v;
    474  1.10  christos {
    475  1.22  perseant 	struct vop_link_args	/* {
    476   1.9   mycroft 		struct vnode *a_dvp;
    477   1.1   mycroft 		struct vnode *a_vp;
    478   1.1   mycroft 		struct componentname *a_cnp;
    479  1.10  christos 	} */ *ap = v;
    480   1.1   mycroft 	int ret;
    481   1.1   mycroft 
    482   1.9   mycroft 	SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
    483   1.9   mycroft 	MARK_VNODE(ap->a_dvp);
    484   1.1   mycroft 	ret = ufs_link(ap);
    485   1.9   mycroft 	SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
    486   1.1   mycroft 	return (ret);
    487   1.1   mycroft }
    488  1.22  perseant 
    489   1.1   mycroft int
    490  1.10  christos lfs_rename(v)
    491  1.10  christos 	void *v;
    492  1.10  christos {
    493  1.22  perseant 	struct vop_rename_args	/* {
    494   1.1   mycroft 		struct vnode *a_fdvp;
    495   1.1   mycroft 		struct vnode *a_fvp;
    496   1.1   mycroft 		struct componentname *a_fcnp;
    497   1.1   mycroft 		struct vnode *a_tdvp;
    498   1.1   mycroft 		struct vnode *a_tvp;
    499   1.1   mycroft 		struct componentname *a_tcnp;
    500  1.10  christos 	} */ *ap = v;
    501   1.1   mycroft 	int ret;
    502  1.22  perseant 
    503   1.1   mycroft 	SET_DIROP(VTOI(ap->a_fdvp)->i_lfs);
    504   1.1   mycroft 	MARK_VNODE(ap->a_fdvp);
    505   1.1   mycroft 	MARK_VNODE(ap->a_tdvp);
    506   1.1   mycroft 	ret = ufs_rename(ap);
    507   1.1   mycroft 	SET_ENDOP(VTOI(ap->a_fdvp)->i_lfs);
    508   1.1   mycroft 	return (ret);
    509   1.1   mycroft }
    510  1.22  perseant #endif /* LFS_USEDIROP */
    511  1.22  perseant 
    512   1.1   mycroft /* XXX hack to avoid calling ITIMES in getattr */
    513   1.1   mycroft int
    514  1.10  christos lfs_getattr(v)
    515  1.10  christos 	void *v;
    516  1.10  christos {
    517   1.1   mycroft 	struct vop_getattr_args /* {
    518   1.1   mycroft 		struct vnode *a_vp;
    519   1.1   mycroft 		struct vattr *a_vap;
    520   1.1   mycroft 		struct ucred *a_cred;
    521   1.1   mycroft 		struct proc *a_p;
    522  1.10  christos 	} */ *ap = v;
    523   1.1   mycroft 	register struct vnode *vp = ap->a_vp;
    524   1.1   mycroft 	register struct inode *ip = VTOI(vp);
    525   1.1   mycroft 	register struct vattr *vap = ap->a_vap;
    526   1.1   mycroft 	/*
    527   1.1   mycroft 	 * Copy from inode table
    528   1.1   mycroft 	 */
    529   1.1   mycroft 	vap->va_fsid = ip->i_dev;
    530   1.1   mycroft 	vap->va_fileid = ip->i_number;
    531  1.14    bouyer 	vap->va_mode = ip->i_ffs_mode & ~IFMT;
    532  1.14    bouyer 	vap->va_nlink = ip->i_ffs_nlink;
    533  1.14    bouyer 	vap->va_uid = ip->i_ffs_uid;
    534  1.14    bouyer 	vap->va_gid = ip->i_ffs_gid;
    535  1.14    bouyer 	vap->va_rdev = (dev_t)ip->i_ffs_rdev;
    536  1.14    bouyer 	vap->va_size = ip->i_ffs_size;
    537  1.14    bouyer 	vap->va_atime.tv_sec = ip->i_ffs_atime;
    538  1.14    bouyer 	vap->va_atime.tv_nsec = ip->i_ffs_atimensec;
    539  1.14    bouyer 	vap->va_mtime.tv_sec = ip->i_ffs_mtime;
    540  1.14    bouyer 	vap->va_mtime.tv_nsec = ip->i_ffs_mtimensec;
    541  1.14    bouyer 	vap->va_ctime.tv_sec = ip->i_ffs_ctime;
    542  1.14    bouyer 	vap->va_ctime.tv_nsec = ip->i_ffs_ctimensec;
    543  1.14    bouyer 	vap->va_flags = ip->i_ffs_flags;
    544  1.14    bouyer 	vap->va_gen = ip->i_ffs_gen;
    545   1.1   mycroft 	/* this doesn't belong here */
    546   1.1   mycroft 	if (vp->v_type == VBLK)
    547   1.1   mycroft 		vap->va_blocksize = BLKDEV_IOSIZE;
    548   1.1   mycroft 	else if (vp->v_type == VCHR)
    549   1.1   mycroft 		vap->va_blocksize = MAXBSIZE;
    550   1.1   mycroft 	else
    551   1.1   mycroft 		vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize;
    552  1.20       cgd 	vap->va_bytes = dbtob((u_quad_t)ip->i_ffs_blocks);
    553   1.1   mycroft 	vap->va_type = vp->v_type;
    554   1.1   mycroft 	vap->va_filerev = ip->i_modrev;
    555   1.1   mycroft 	return (0);
    556   1.1   mycroft }
    557  1.22  perseant 
    558   1.1   mycroft /*
    559   1.1   mycroft  * Close called
    560   1.1   mycroft  *
    561   1.1   mycroft  * XXX -- we were using ufs_close, but since it updates the
    562   1.1   mycroft  * times on the inode, we might need to bump the uinodes
    563   1.1   mycroft  * count.
    564   1.1   mycroft  */
    565   1.1   mycroft /* ARGSUSED */
    566   1.1   mycroft int
    567  1.10  christos lfs_close(v)
    568  1.10  christos 	void *v;
    569  1.10  christos {
    570   1.1   mycroft 	struct vop_close_args /* {
    571   1.1   mycroft 		struct vnode *a_vp;
    572   1.1   mycroft 		int  a_fflag;
    573   1.1   mycroft 		struct ucred *a_cred;
    574   1.1   mycroft 		struct proc *a_p;
    575  1.10  christos 	} */ *ap = v;
    576   1.1   mycroft 	register struct vnode *vp = ap->a_vp;
    577   1.1   mycroft 	register struct inode *ip = VTOI(vp);
    578   1.1   mycroft 	int mod;
    579  1.12   mycroft 	struct timespec ts;
    580   1.1   mycroft 
    581  1.15      fvdl 	simple_lock(&vp->v_interlock);
    582  1.15      fvdl 	if (vp->v_usecount > 1) {
    583   1.1   mycroft 		mod = ip->i_flag & IN_MODIFIED;
    584  1.12   mycroft 		TIMEVAL_TO_TIMESPEC(&time, &ts);
    585  1.22  perseant 		LFS_ITIMES(ip, &ts, &ts, &ts);
    586   1.1   mycroft 		if (!mod && ip->i_flag & IN_MODIFIED)
    587   1.1   mycroft 			ip->i_lfs->lfs_uinodes++;
    588   1.1   mycroft 	}
    589  1.15      fvdl 	simple_unlock(&vp->v_interlock);
    590   1.1   mycroft 	return (0);
    591   1.1   mycroft }
    592   1.1   mycroft 
    593   1.1   mycroft /*
    594  1.15      fvdl  * Reclaim an inode so that it can be used for other purposes.
    595   1.1   mycroft  */
    596   1.1   mycroft int lfs_no_inactive = 0;
    597   1.1   mycroft 
    598   1.1   mycroft int
    599  1.10  christos lfs_reclaim(v)
    600  1.10  christos 	void *v;
    601  1.10  christos {
    602   1.1   mycroft 	struct vop_reclaim_args /* {
    603   1.1   mycroft 		struct vnode *a_vp;
    604  1.15      fvdl 		struct proc *a_p;
    605  1.10  christos 	} */ *ap = v;
    606  1.15      fvdl 	struct vnode *vp = ap->a_vp;
    607   1.1   mycroft 	int error;
    608   1.1   mycroft 
    609  1.15      fvdl 	if ((error = ufs_reclaim(vp, ap->a_p)))
    610   1.1   mycroft 		return (error);
    611  1.19   thorpej 	pool_put(&lfs_inode_pool, vp->v_data);
    612   1.1   mycroft 	vp->v_data = NULL;
    613   1.1   mycroft 	return (0);
    614   1.1   mycroft }
    615