[apple/xnu.git] / bsd / ufs / ffs / ffs_vnops.c

/*
 * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
 * Copyright (c) 1982, 1986, 1989, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)ffs_vnops.c	8.15 (Berkeley) 5/14/95
 */

#include <rev_endian_fs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/resourcevar.h>
#include <sys/kernel.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/proc.h>
#include <sys/conf.h>
#include <sys/mount_internal.h>
#include <sys/vnode_internal.h>
#include <sys/malloc.h>
#include <sys/ubc.h>
#include <sys/quota.h>

#include <sys/vm.h>
#include <vfs/vfs_support.h>

#include <miscfs/specfs/specdev.h>
#include <miscfs/fifofs/fifo.h>

#include <ufs/ufs/quota.h>
#include <ufs/ufs/inode.h>
#include <ufs/ufs/dir.h>
#include <ufs/ufs/ufsmount.h>
#include <ufs/ufs/ufs_extern.h>

#include <ufs/ffs/fs.h>
#include <ufs/ffs/ffs_extern.h>
#if REV_ENDIAN_FS
#include <ufs/ufs/ufs_byte_order.h>
#endif /* REV_ENDIAN_FS */

#define VOPFUNC int (*)(void *)

/* Global vfs data structures for ufs. */
int (**ffs_vnodeop_p)(void *);
struct vnodeopv_entry_desc ffs_vnodeop_entries[] = {
	{ &vnop_default_desc, (VOPFUNC)vn_default_error },
	{ &vnop_lookup_desc, (VOPFUNC)ufs_lookup },		/* lookup */
	{ &vnop_create_desc, (VOPFUNC)ufs_create },		/* create */
	{ &vnop_whiteout_desc, (VOPFUNC)ufs_whiteout },		/* whiteout */
	{ &vnop_mknod_desc, (VOPFUNC)ufs_mknod },		/* mknod */
	{ &vnop_open_desc, (VOPFUNC)ufs_open },			/* open */
	{ &vnop_close_desc, (VOPFUNC)ufs_close },		/* close */
	{ &vnop_getattr_desc, (VOPFUNC)ufs_getattr },		/* getattr */
	{ &vnop_setattr_desc, (VOPFUNC)ufs_setattr },		/* setattr */
	{ &vnop_read_desc, (VOPFUNC)ffs_read },			/* read */
	{ &vnop_write_desc, (VOPFUNC)ffs_write },		/* write */
	{ &vnop_ioctl_desc, (VOPFUNC)ufs_ioctl },		/* ioctl */
	{ &vnop_select_desc, (VOPFUNC)ufs_select },		/* select */
	{ &vnop_revoke_desc, (VOPFUNC)ufs_revoke },		/* revoke */
	{ &vnop_mmap_desc, (VOPFUNC)ufs_mmap },			/* mmap */
	{ &vnop_fsync_desc, (VOPFUNC)ffs_fsync },		/* fsync */
	{ &vnop_remove_desc, (VOPFUNC)ufs_remove },		/* remove */
	{ &vnop_link_desc, (VOPFUNC)ufs_link },			/* link */
	{ &vnop_rename_desc, (VOPFUNC)ufs_rename },		/* rename */
	{ &vnop_mkdir_desc, (VOPFUNC)ufs_mkdir },		/* mkdir */
	{ &vnop_rmdir_desc, (VOPFUNC)ufs_rmdir },		/* rmdir */
	{ &vnop_symlink_desc, (VOPFUNC)ufs_symlink },		/* symlink */
	{ &vnop_readdir_desc, (VOPFUNC)ufs_readdir },		/* readdir */
	{ &vnop_readlink_desc, (VOPFUNC)ufs_readlink },		/* readlink */
	{ &vnop_inactive_desc, (VOPFUNC)ufs_inactive },		/* inactive */
	{ &vnop_reclaim_desc, (VOPFUNC)ffs_reclaim },		/* reclaim */
	{ &vnop_strategy_desc, (VOPFUNC)ufs_strategy },		/* strategy */
	{ &vnop_pathconf_desc, (VOPFUNC)ufs_pathconf },		/* pathconf */
	{ &vnop_advlock_desc, (VOPFUNC)err_advlock },		/* advlock */
	{ &vnop_bwrite_desc, (VOPFUNC)vn_bwrite },
	{ &vnop_pagein_desc, (VOPFUNC)ffs_pagein },		/* Pagein */
	{ &vnop_pageout_desc, (VOPFUNC)ffs_pageout },		/* Pageout */
	{ &vnop_copyfile_desc, (VOPFUNC)err_copyfile },		/* Copy File */
	{ &vnop_blktooff_desc, (VOPFUNC)ffs_blktooff },		/* blktooff */
	{ &vnop_offtoblk_desc, (VOPFUNC)ffs_offtoblk },		/* offtoblk */
	{ &vnop_blockmap_desc, (VOPFUNC)ufs_blockmap },		/* blockmap */
	{ &vnop_kqfilt_add_desc, (VOPFUNC)ufs_kqfilt_add },  /* kqfilt_add */
	{ (struct vnodeop_desc*)NULL, (int(*)())NULL }
};
struct vnodeopv_desc ffs_vnodeop_opv_desc =
	{ &ffs_vnodeop_p, ffs_vnodeop_entries };

int (**ffs_specop_p)(void *);
struct vnodeopv_entry_desc ffs_specop_entries[] = {
	{ &vnop_default_desc, (VOPFUNC)vn_default_error },
	{ &vnop_lookup_desc, (VOPFUNC)spec_lookup },		/* lookup */
	{ &vnop_create_desc, (VOPFUNC)spec_create },		/* create */
	{ &vnop_mknod_desc, (VOPFUNC)spec_mknod },		/* mknod */
	{ &vnop_open_desc, (VOPFUNC)spec_open },			/* open */
	{ &vnop_close_desc, (VOPFUNC)ufsspec_close },		/* close */
	{ &vnop_getattr_desc, (VOPFUNC)ufs_getattr },		/* getattr */
	{ &vnop_setattr_desc, (VOPFUNC)ufs_setattr },		/* setattr */
	{ &vnop_read_desc, (VOPFUNC)ufsspec_read },		/* read */
	{ &vnop_write_desc, (VOPFUNC)ufsspec_write },		/* write */
	{ &vnop_ioctl_desc, (VOPFUNC)spec_ioctl },		/* ioctl */
	{ &vnop_select_desc, (VOPFUNC)spec_select },		/* select */
	{ &vnop_revoke_desc, (VOPFUNC)spec_revoke },		/* revoke */
	{ &vnop_mmap_desc, (VOPFUNC)spec_mmap },			/* mmap */
	{ &vnop_fsync_desc, (VOPFUNC)ffs_fsync },		/* fsync */
	{ &vnop_remove_desc, (VOPFUNC)spec_remove },		/* remove */
	{ &vnop_link_desc, (VOPFUNC)spec_link },			/* link */
	{ &vnop_rename_desc, (VOPFUNC)spec_rename },		/* rename */
	{ &vnop_mkdir_desc, (VOPFUNC)spec_mkdir },		/* mkdir */
	{ &vnop_rmdir_desc, (VOPFUNC)spec_rmdir },		/* rmdir */
	{ &vnop_symlink_desc, (VOPFUNC)spec_symlink },		/* symlink */
	{ &vnop_readdir_desc, (VOPFUNC)spec_readdir },		/* readdir */
	{ &vnop_readlink_desc, (VOPFUNC)spec_readlink },		/* readlink */
	{ &vnop_inactive_desc, (VOPFUNC)ufs_inactive },		/* inactive */
	{ &vnop_reclaim_desc, (VOPFUNC)ffs_reclaim },		/* reclaim */
	{ &vnop_strategy_desc, (VOPFUNC)spec_strategy },		/* strategy */
	{ &vnop_pathconf_desc, (VOPFUNC)spec_pathconf },		/* pathconf */
	{ &vnop_advlock_desc, (VOPFUNC)err_advlock },		/* advlock */
	{ &vnop_bwrite_desc, (VOPFUNC)vn_bwrite },
	{ &vnop_pagein_desc, (VOPFUNC)ffs_pagein },		/* Pagein */
	{ &vnop_pageout_desc, (VOPFUNC)ffs_pageout },		/* Pageout */
	{ &vnop_copyfile_desc, (VOPFUNC)err_copyfile },		/* Copy File */
	{ &vnop_blktooff_desc, (VOPFUNC)ffs_blktooff },		/* blktooff */
	{ &vnop_offtoblk_desc, (VOPFUNC)ffs_offtoblk },		/* offtoblk */
	{ &vnop_blockmap_desc, (VOPFUNC)spec_blockmap },	/* blockmap */
	{ (struct vnodeop_desc*)NULL, (int(*)())NULL }
};
struct vnodeopv_desc ffs_specop_opv_desc =
	{ &ffs_specop_p, ffs_specop_entries };

#if FIFO
int (**ffs_fifoop_p)(void *);
struct vnodeopv_entry_desc ffs_fifoop_entries[] = {
	{ &vnop_default_desc, (VOPFUNC)vn_default_error },
	{ &vnop_lookup_desc, (VOPFUNC)fifo_lookup },		/* lookup */
	{ &vnop_create_desc, (VOPFUNC)fifo_create },		/* create */
	{ &vnop_mknod_desc, (VOPFUNC)fifo_mknod },		/* mknod */
	{ &vnop_open_desc, (VOPFUNC)fifo_open },			/* open */
	{ &vnop_close_desc, (VOPFUNC)ufsfifo_close },		/* close */
	{ &vnop_getattr_desc, (VOPFUNC)ufs_getattr },		/* getattr */
	{ &vnop_setattr_desc, (VOPFUNC)ufs_setattr },		/* setattr */
	{ &vnop_read_desc, (VOPFUNC)ufsfifo_read },		/* read */
	{ &vnop_write_desc, (VOPFUNC)ufsfifo_write },		/* write */
	{ &vnop_ioctl_desc, (VOPFUNC)fifo_ioctl },		/* ioctl */
	{ &vnop_select_desc, (VOPFUNC)fifo_select },		/* select */
	{ &vnop_revoke_desc, (VOPFUNC)fifo_revoke },		/* revoke */
	{ &vnop_mmap_desc, (VOPFUNC)fifo_mmap },			/* mmap */
	{ &vnop_fsync_desc, (VOPFUNC)ffs_fsync },		/* fsync */
	{ &vnop_remove_desc, (VOPFUNC)fifo_remove },		/* remove */
	{ &vnop_link_desc, (VOPFUNC)fifo_link },			/* link */
	{ &vnop_rename_desc, (VOPFUNC)fifo_rename },		/* rename */
	{ &vnop_mkdir_desc, (VOPFUNC)fifo_mkdir },		/* mkdir */
	{ &vnop_rmdir_desc, (VOPFUNC)fifo_rmdir },		/* rmdir */
	{ &vnop_symlink_desc, (VOPFUNC)fifo_symlink },		/* symlink */
	{ &vnop_readdir_desc, (VOPFUNC)fifo_readdir },		/* readdir */
	{ &vnop_readlink_desc, (VOPFUNC)fifo_readlink },		/* readlink */
	{ &vnop_inactive_desc, (VOPFUNC)ufs_inactive },		/* inactive */
	{ &vnop_reclaim_desc, (VOPFUNC)ffs_reclaim },		/* reclaim */
	{ &vnop_strategy_desc, (VOPFUNC)fifo_strategy },		/* strategy */
	{ &vnop_pathconf_desc, (VOPFUNC)fifo_pathconf },		/* pathconf */
	{ &vnop_advlock_desc, (VOPFUNC)err_advlock },		/* advlock */
	{ &vnop_bwrite_desc, (VOPFUNC)vn_bwrite },
	{ &vnop_pagein_desc, (VOPFUNC)ffs_pagein },		/* Pagein */
	{ &vnop_pageout_desc, (VOPFUNC)ffs_pageout },		/* Pageout */
	{ &vnop_copyfile_desc, (VOPFUNC)err_copyfile },		/*  Copy File */
	{ &vnop_blktooff_desc, (VOPFUNC)ffs_blktooff },		/* blktooff */
	{ &vnop_offtoblk_desc, (VOPFUNC)ffs_offtoblk },		/* offtoblk */
	{ &vnop_blockmap_desc, (VOPFUNC)ufs_blockmap },		/* blockmap */
	{ &vnop_kqfilt_add_desc, (VOPFUNC)ufsfifo_kqfilt_add },  /* kqfilt_add */
	{ (struct vnodeop_desc*)NULL, (int(*)())NULL }
};
struct vnodeopv_desc ffs_fifoop_opv_desc =
	{ &ffs_fifoop_p, ffs_fifoop_entries };
#endif /* FIFO */

/*
 * Enabling cluster read/write operations.
 */
int doclusterread = 0;
int doclusterwrite = 0;

#include <ufs/ufs/ufs_readwrite.c>

/*
 * Synch an open file.
 */
/* ARGSUSED */
int
ffs_fsync(ap)
	struct vnop_fsync_args /* {
		struct vnode *a_vp;
		int a_waitfor;
		vfs_context_t a_context;
	} */ *ap;
{
        return(ffs_fsync_internal(ap->a_vp, ap->a_waitfor));
}


int
ffs_fsync_internal(vnode_t vp, int waitfor)
{
	struct timeval tv;
	int wait = (waitfor == MNT_WAIT);

	/*
	 * Write out any clusters.
	 */
	cluster_push(vp, 0);

	/*
	 * Flush all dirty buffers associated with a vnode.
	 */
	buf_flushdirtyblks(vp, wait, 0, "ffs_fsync");
	microtime(&tv);

	return (ffs_update(vp, &tv, &tv, wait));
}

/*
 * Reclaim an inode so that it can be used for other purposes.
 */
int
ffs_reclaim(ap)
	struct vnop_reclaim_args /* {
		struct vnode *a_vp;
		vfs_context_t a_context;
	} */ *ap;
{
	register struct vnode *vp = ap->a_vp;
	int error;

	if ( (error = ufs_reclaim(vp, vfs_context_proc(ap->a_context))) )
		return (error);

	FREE_ZONE(vnode_fsnode(vp), sizeof (struct inode), M_FFSNODE);

	vnode_clearfsnode(vp);

	return (0);
}

/* Blktooff converts a logical block number to a file offset */
int
ffs_blktooff(ap)
	struct vnop_blktooff_args /* {
		struct vnode *a_vp;
		daddr64_t a_lblkno;
		off_t *a_offset;    
	} */ *ap;
{
	register struct inode *ip;
	register FS *fs;

	if (ap->a_vp == NULL)
		return (EINVAL);

	fs = VTOI(ap->a_vp)->I_FS;

	*ap->a_offset = (off_t)lblktosize(fs, ap->a_lblkno);

	return (0);
}

/* Blktooff converts a logical block number to a file offset */
int
ffs_offtoblk(ap)
	struct vnop_offtoblk_args /* {
		struct vnode *a_vp;
		off_t a_offset;    
		daddr64_t *a_lblkno;
	} */ *ap;
{
	register FS *fs;

	if (ap->a_vp == NULL)
		return (EINVAL);

	fs = VTOI(ap->a_vp)->I_FS;

	*ap->a_lblkno = (daddr64_t)lblkno(fs, ap->a_offset);

	return (0);
}
Commit	Line	Data
1c79356b	1	/*
5d5c5d0d A	2	* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
5d5c5d0d A	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
2d21ac55 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
8f6c56a5	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
8f6c56a5	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
	29	/*
	30	* Copyright (c) 1982, 1986, 1989, 1993
	31	* The Regents of the University of California. All rights reserved.
	32	*
	33	* Redistribution and use in source and binary forms, with or without
	34	* modification, are permitted provided that the following conditions
	35	* are met:
	36	* 1. Redistributions of source code must retain the above copyright
	37	* notice, this list of conditions and the following disclaimer.
	38	* 2. Redistributions in binary form must reproduce the above copyright
	39	* notice, this list of conditions and the following disclaimer in the
	40	* documentation and/or other materials provided with the distribution.
	41	* 3. All advertising materials mentioning features or use of this software
	42	* must display the following acknowledgement:
	43	* This product includes software developed by the University of
	44	* California, Berkeley and its contributors.
	45	* 4. Neither the name of the University nor the names of its contributors
	46	* may be used to endorse or promote products derived from this software
	47	* without specific prior written permission.
	48	*
	49	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	50	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	51	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	52	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	53	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	54	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	55	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	56	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	57	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	58	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	59	* SUCH DAMAGE.
	60	*
	61	* @(#)ffs_vnops.c 8.15 (Berkeley) 5/14/95
	62	*/
	63
	64	#include <rev_endian_fs.h>
	65	#include <sys/param.h>
	66	#include <sys/systm.h>
	67	#include <sys/resourcevar.h>
	68	#include <sys/kernel.h>
	69	#include <sys/file.h>
	70	#include <sys/stat.h>
1c79356b A	71	#include <sys/proc.h>
1c79356b A	72	#include <sys/conf.h>
91447636 A	73	#include <sys/mount_internal.h>
91447636 A	74	#include <sys/vnode_internal.h>
1c79356b A	75	#include <sys/malloc.h>
1c79356b A	76	#include <sys/ubc.h>
9bccf70c	77	#include <sys/quota.h>
1c79356b A	78
	79	#include <sys/vm.h>
	80	#include <vfs/vfs_support.h>
	81
	82	#include <miscfs/specfs/specdev.h>
	83	#include <miscfs/fifofs/fifo.h>
	84
1c79356b A	85	#include <ufs/ufs/quota.h>
	86	#include <ufs/ufs/inode.h>
	87	#include <ufs/ufs/dir.h>
	88	#include <ufs/ufs/ufsmount.h>
	89	#include <ufs/ufs/ufs_extern.h>
	90
	91	#include <ufs/ffs/fs.h>
	92	#include <ufs/ffs/ffs_extern.h>
	93	#if REV_ENDIAN_FS
	94	#include <ufs/ufs/ufs_byte_order.h>
1c79356b A	95	#endif /* REV_ENDIAN_FS */
	96
	97	#define VOPFUNC int ()(void )
	98
	99	/* Global vfs data structures for ufs. */
	100	int (*ffs_vnodeop_p)(void );
	101	struct vnodeopv_entry_desc ffs_vnodeop_entries[] = {
91447636 A	102	{ &vnop_default_desc, (VOPFUNC)vn_default_error },
	103	{ &vnop_lookup_desc, (VOPFUNC)ufs_lookup }, /* lookup */
	104	{ &vnop_create_desc, (VOPFUNC)ufs_create }, /* create */
	105	{ &vnop_whiteout_desc, (VOPFUNC)ufs_whiteout }, /* whiteout */
	106	{ &vnop_mknod_desc, (VOPFUNC)ufs_mknod }, /* mknod */
	107	{ &vnop_open_desc, (VOPFUNC)ufs_open }, /* open */
	108	{ &vnop_close_desc, (VOPFUNC)ufs_close }, /* close */
	109	{ &vnop_getattr_desc, (VOPFUNC)ufs_getattr }, /* getattr */
	110	{ &vnop_setattr_desc, (VOPFUNC)ufs_setattr }, /* setattr */
	111	{ &vnop_read_desc, (VOPFUNC)ffs_read }, /* read */
	112	{ &vnop_write_desc, (VOPFUNC)ffs_write }, /* write */
	113	{ &vnop_ioctl_desc, (VOPFUNC)ufs_ioctl }, /* ioctl */
	114	{ &vnop_select_desc, (VOPFUNC)ufs_select }, /* select */
	115	{ &vnop_revoke_desc, (VOPFUNC)ufs_revoke }, /* revoke */
	116	{ &vnop_mmap_desc, (VOPFUNC)ufs_mmap }, /* mmap */
	117	{ &vnop_fsync_desc, (VOPFUNC)ffs_fsync }, /* fsync */
	118	{ &vnop_remove_desc, (VOPFUNC)ufs_remove }, /* remove */
	119	{ &vnop_link_desc, (VOPFUNC)ufs_link }, /* link */
	120	{ &vnop_rename_desc, (VOPFUNC)ufs_rename }, /* rename */
	121	{ &vnop_mkdir_desc, (VOPFUNC)ufs_mkdir }, /* mkdir */
	122	{ &vnop_rmdir_desc, (VOPFUNC)ufs_rmdir }, /* rmdir */
	123	{ &vnop_symlink_desc, (VOPFUNC)ufs_symlink }, /* symlink */
	124	{ &vnop_readdir_desc, (VOPFUNC)ufs_readdir }, /* readdir */
	125	{ &vnop_readlink_desc, (VOPFUNC)ufs_readlink }, /* readlink */
	126	{ &vnop_inactive_desc, (VOPFUNC)ufs_inactive }, /* inactive */
	127	{ &vnop_reclaim_desc, (VOPFUNC)ffs_reclaim }, /* reclaim */
	128	{ &vnop_strategy_desc, (VOPFUNC)ufs_strategy }, /* strategy */
	129	{ &vnop_pathconf_desc, (VOPFUNC)ufs_pathconf }, /* pathconf */
	130	{ &vnop_advlock_desc, (VOPFUNC)err_advlock }, /* advlock */
	131	{ &vnop_bwrite_desc, (VOPFUNC)vn_bwrite },
	132	{ &vnop_pagein_desc, (VOPFUNC)ffs_pagein }, /* Pagein */
	133	{ &vnop_pageout_desc, (VOPFUNC)ffs_pageout }, /* Pageout */
	134	{ &vnop_copyfile_desc, (VOPFUNC)err_copyfile }, /* Copy File */
	135	{ &vnop_blktooff_desc, (VOPFUNC)ffs_blktooff }, /* blktooff */
	136	{ &vnop_offtoblk_desc, (VOPFUNC)ffs_offtoblk }, /* offtoblk */
	137	{ &vnop_blockmap_desc, (VOPFUNC)ufs_blockmap }, /* blockmap */
	138	{ &vnop_kqfilt_add_desc, (VOPFUNC)ufs_kqfilt_add }, /* kqfilt_add */
1c79356b A	139	{ (struct vnodeop_desc)NULL, (int()())NULL }
	140	};
	141	struct vnodeopv_desc ffs_vnodeop_opv_desc =
	142	{ &ffs_vnodeop_p, ffs_vnodeop_entries };
	143
	144	int (*ffs_specop_p)(void );
	145	struct vnodeopv_entry_desc ffs_specop_entries[] = {
91447636 A	146	{ &vnop_default_desc, (VOPFUNC)vn_default_error },
	147	{ &vnop_lookup_desc, (VOPFUNC)spec_lookup }, /* lookup */
	148	{ &vnop_create_desc, (VOPFUNC)spec_create }, /* create */
	149	{ &vnop_mknod_desc, (VOPFUNC)spec_mknod }, /* mknod */
	150	{ &vnop_open_desc, (VOPFUNC)spec_open }, /* open */
	151	{ &vnop_close_desc, (VOPFUNC)ufsspec_close }, /* close */
	152	{ &vnop_getattr_desc, (VOPFUNC)ufs_getattr }, /* getattr */
	153	{ &vnop_setattr_desc, (VOPFUNC)ufs_setattr }, /* setattr */
	154	{ &vnop_read_desc, (VOPFUNC)ufsspec_read }, /* read */
	155	{ &vnop_write_desc, (VOPFUNC)ufsspec_write }, /* write */
	156	{ &vnop_ioctl_desc, (VOPFUNC)spec_ioctl }, /* ioctl */
	157	{ &vnop_select_desc, (VOPFUNC)spec_select }, /* select */
	158	{ &vnop_revoke_desc, (VOPFUNC)spec_revoke }, /* revoke */
	159	{ &vnop_mmap_desc, (VOPFUNC)spec_mmap }, /* mmap */
	160	{ &vnop_fsync_desc, (VOPFUNC)ffs_fsync }, /* fsync */
	161	{ &vnop_remove_desc, (VOPFUNC)spec_remove }, /* remove */
	162	{ &vnop_link_desc, (VOPFUNC)spec_link }, /* link */
	163	{ &vnop_rename_desc, (VOPFUNC)spec_rename }, /* rename */
	164	{ &vnop_mkdir_desc, (VOPFUNC)spec_mkdir }, /* mkdir */
	165	{ &vnop_rmdir_desc, (VOPFUNC)spec_rmdir }, /* rmdir */
	166	{ &vnop_symlink_desc, (VOPFUNC)spec_symlink }, /* symlink */
	167	{ &vnop_readdir_desc, (VOPFUNC)spec_readdir }, /* readdir */
	168	{ &vnop_readlink_desc, (VOPFUNC)spec_readlink }, /* readlink */
	169	{ &vnop_inactive_desc, (VOPFUNC)ufs_inactive }, /* inactive */
	170	{ &vnop_reclaim_desc, (VOPFUNC)ffs_reclaim }, /* reclaim */
	171	{ &vnop_strategy_desc, (VOPFUNC)spec_strategy }, /* strategy */
	172	{ &vnop_pathconf_desc, (VOPFUNC)spec_pathconf }, /* pathconf */
	173	{ &vnop_advlock_desc, (VOPFUNC)err_advlock }, /* advlock */
	174	{ &vnop_bwrite_desc, (VOPFUNC)vn_bwrite },
91447636 A	175	{ &vnop_pagein_desc, (VOPFUNC)ffs_pagein }, /* Pagein */
	176	{ &vnop_pageout_desc, (VOPFUNC)ffs_pageout }, /* Pageout */
	177	{ &vnop_copyfile_desc, (VOPFUNC)err_copyfile }, /* Copy File */
	178	{ &vnop_blktooff_desc, (VOPFUNC)ffs_blktooff }, /* blktooff */
	179	{ &vnop_offtoblk_desc, (VOPFUNC)ffs_offtoblk }, /* offtoblk */
	180	{ &vnop_blockmap_desc, (VOPFUNC)spec_blockmap }, /* blockmap */
1c79356b A	181	{ (struct vnodeop_desc)NULL, (int()())NULL }
	182	};
	183	struct vnodeopv_desc ffs_specop_opv_desc =
	184	{ &ffs_specop_p, ffs_specop_entries };
	185
	186	#if FIFO
	187	int (*ffs_fifoop_p)(void );
	188	struct vnodeopv_entry_desc ffs_fifoop_entries[] = {
91447636 A	189	{ &vnop_default_desc, (VOPFUNC)vn_default_error },
	190	{ &vnop_lookup_desc, (VOPFUNC)fifo_lookup }, /* lookup */
	191	{ &vnop_create_desc, (VOPFUNC)fifo_create }, /* create */
	192	{ &vnop_mknod_desc, (VOPFUNC)fifo_mknod }, /* mknod */
	193	{ &vnop_open_desc, (VOPFUNC)fifo_open }, /* open */
	194	{ &vnop_close_desc, (VOPFUNC)ufsfifo_close }, /* close */
	195	{ &vnop_getattr_desc, (VOPFUNC)ufs_getattr }, /* getattr */
	196	{ &vnop_setattr_desc, (VOPFUNC)ufs_setattr }, /* setattr */
	197	{ &vnop_read_desc, (VOPFUNC)ufsfifo_read }, /* read */
	198	{ &vnop_write_desc, (VOPFUNC)ufsfifo_write }, /* write */
	199	{ &vnop_ioctl_desc, (VOPFUNC)fifo_ioctl }, /* ioctl */
	200	{ &vnop_select_desc, (VOPFUNC)fifo_select }, /* select */
	201	{ &vnop_revoke_desc, (VOPFUNC)fifo_revoke }, /* revoke */
	202	{ &vnop_mmap_desc, (VOPFUNC)fifo_mmap }, /* mmap */
	203	{ &vnop_fsync_desc, (VOPFUNC)ffs_fsync }, /* fsync */
	204	{ &vnop_remove_desc, (VOPFUNC)fifo_remove }, /* remove */
	205	{ &vnop_link_desc, (VOPFUNC)fifo_link }, /* link */
	206	{ &vnop_rename_desc, (VOPFUNC)fifo_rename }, /* rename */
	207	{ &vnop_mkdir_desc, (VOPFUNC)fifo_mkdir }, /* mkdir */
	208	{ &vnop_rmdir_desc, (VOPFUNC)fifo_rmdir }, /* rmdir */
	209	{ &vnop_symlink_desc, (VOPFUNC)fifo_symlink }, /* symlink */
	210	{ &vnop_readdir_desc, (VOPFUNC)fifo_readdir }, /* readdir */
	211	{ &vnop_readlink_desc, (VOPFUNC)fifo_readlink }, /* readlink */
	212	{ &vnop_inactive_desc, (VOPFUNC)ufs_inactive }, /* inactive */
	213	{ &vnop_reclaim_desc, (VOPFUNC)ffs_reclaim }, /* reclaim */
	214	{ &vnop_strategy_desc, (VOPFUNC)fifo_strategy }, /* strategy */
	215	{ &vnop_pathconf_desc, (VOPFUNC)fifo_pathconf }, /* pathconf */
	216	{ &vnop_advlock_desc, (VOPFUNC)err_advlock }, /* advlock */
	217	{ &vnop_bwrite_desc, (VOPFUNC)vn_bwrite },
	218	{ &vnop_pagein_desc, (VOPFUNC)ffs_pagein }, /* Pagein */
	219	{ &vnop_pageout_desc, (VOPFUNC)ffs_pageout }, /* Pageout */
	220	{ &vnop_copyfile_desc, (VOPFUNC)err_copyfile }, /* Copy File */
	221	{ &vnop_blktooff_desc, (VOPFUNC)ffs_blktooff }, /* blktooff */
	222	{ &vnop_offtoblk_desc, (VOPFUNC)ffs_offtoblk }, /* offtoblk */
	223	{ &vnop_blockmap_desc, (VOPFUNC)ufs_blockmap }, /* blockmap */
	224	{ &vnop_kqfilt_add_desc, (VOPFUNC)ufsfifo_kqfilt_add }, /* kqfilt_add */
1c79356b A	225	{ (struct vnodeop_desc)NULL, (int()())NULL }
	226	};
	227	struct vnodeopv_desc ffs_fifoop_opv_desc =
	228	{ &ffs_fifoop_p, ffs_fifoop_entries };
	229	#endif /* FIFO */
	230
	231	/*
	232	* Enabling cluster read/write operations.
	233	*/
	234	int doclusterread = 0;
	235	int doclusterwrite = 0;
	236
	237	#include <ufs/ufs/ufs_readwrite.c>
	238
	239	/*
	240	* Synch an open file.
	241	*/
	242	/* ARGSUSED */
	243	int
	244	ffs_fsync(ap)
91447636	245	struct vnop_fsync_args /* {
1c79356b	246	struct vnode *a_vp;
1c79356b	247	int a_waitfor;
91447636	248	vfs_context_t a_context;
1c79356b A	249	} / ap;
1c79356b A	250	{
91447636 A	251	return(ffs_fsync_internal(ap->a_vp, ap->a_waitfor));
	252	}
	253
	254
	255	int
	256	ffs_fsync_internal(vnode_t vp, int waitfor)
	257	{
1c79356b	258	struct timeval tv;
91447636	259	int wait = (waitfor == MNT_WAIT);
1c79356b A	260
	261	/*
	262	* Write out any clusters.
	263	*/
91447636	264	cluster_push(vp, 0);
1c79356b	265
1c79356b A	266	/*
	267	* Flush all dirty buffers associated with a vnode.
	268	*/
2d21ac55	269	buf_flushdirtyblks(vp, wait, 0, "ffs_fsync");
91447636 A	270	microtime(&tv);
	271
	272	return (ffs_update(vp, &tv, &tv, wait));
1c79356b A	273	}
	274
	275	/*
	276	* Reclaim an inode so that it can be used for other purposes.
	277	*/
	278	int
	279	ffs_reclaim(ap)
91447636	280	struct vnop_reclaim_args /* {
1c79356b	281	struct vnode *a_vp;
91447636	282	vfs_context_t a_context;
1c79356b A	283	} / ap;
	284	{
	285	register struct vnode *vp = ap->a_vp;
	286	int error;
	287
91447636	288	if ( (error = ufs_reclaim(vp, vfs_context_proc(ap->a_context))) )
1c79356b	289	return (error);
91447636 A	290
	291	FREE_ZONE(vnode_fsnode(vp), sizeof (struct inode), M_FFSNODE);
	292
	293	vnode_clearfsnode(vp);
	294
1c79356b A	295	return (0);
	296	}
	297
	298	/* Blktooff converts a logical block number to a file offset */
	299	int
	300	ffs_blktooff(ap)
91447636	301	struct vnop_blktooff_args /* {
1c79356b	302	struct vnode *a_vp;
91447636	303	daddr64_t a_lblkno;
1c79356b A	304	off_t *a_offset;
	305	} / ap;
	306	{
	307	register struct inode *ip;
	308	register FS *fs;
1c79356b A	309
	310	if (ap->a_vp == NULL)
	311	return (EINVAL);
	312
91447636	313	fs = VTOI(ap->a_vp)->I_FS;
1c79356b	314
91447636	315	*ap->a_offset = (off_t)lblktosize(fs, ap->a_lblkno);
1c79356b	316
1c79356b A	317	return (0);
	318	}
	319
	320	/* Blktooff converts a logical block number to a file offset */
	321	int
	322	ffs_offtoblk(ap)
91447636	323	struct vnop_offtoblk_args /* {
1c79356b A	324	struct vnode *a_vp;
1c79356b A	325	off_t a_offset;
91447636	326	daddr64_t *a_lblkno;
1c79356b A	327	} / ap;
1c79356b A	328	{
91447636	329	register FS *fs;
1c79356b A	330
	331	if (ap->a_vp == NULL)
	332	return (EINVAL);
	333
91447636 A	334	fs = VTOI(ap->a_vp)->I_FS;
	335
	336	*ap->a_lblkno = (daddr64_t)lblkno(fs, ap->a_offset);
1c79356b	337
1c79356b A	338	return (0);
1c79356b A	339	}