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

/*
 * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This 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 OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_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, (char *)"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	*
6601e61a	4	* @APPLE_LICENSE_HEADER_START@
1c79356b	5	*
6601e61a A	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
8f6c56a5	11	*
6601e61a A	12	* This Original Code and all software distributed under the License are
6601e61a A	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
6601e61a A	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
8f6c56a5	19	*
6601e61a	20	* @APPLE_LICENSE_HEADER_END@
1c79356b A	21	*/
	22	/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
	23	/*
	24	* Copyright (c) 1982, 1986, 1989, 1993
	25	* The Regents of the University of California. All rights reserved.
	26	*
	27	* Redistribution and use in source and binary forms, with or without
	28	* modification, are permitted provided that the following conditions
	29	* are met:
	30	* 1. Redistributions of source code must retain the above copyright
	31	* notice, this list of conditions and the following disclaimer.
	32	* 2. Redistributions in binary form must reproduce the above copyright
	33	* notice, this list of conditions and the following disclaimer in the
	34	* documentation and/or other materials provided with the distribution.
	35	* 3. All advertising materials mentioning features or use of this software
	36	* must display the following acknowledgement:
	37	* This product includes software developed by the University of
	38	* California, Berkeley and its contributors.
	39	* 4. Neither the name of the University nor the names of its contributors
	40	* may be used to endorse or promote products derived from this software
	41	* without specific prior written permission.
	42	*
	43	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	44	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	45	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	46	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	47	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	48	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	49	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	50	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	51	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	52	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	53	* SUCH DAMAGE.
	54	*
	55	* @(#)ffs_vnops.c 8.15 (Berkeley) 5/14/95
	56	*/
	57
	58	#include <rev_endian_fs.h>
	59	#include <sys/param.h>
	60	#include <sys/systm.h>
	61	#include <sys/resourcevar.h>
	62	#include <sys/kernel.h>
	63	#include <sys/file.h>
	64	#include <sys/stat.h>
1c79356b A	65	#include <sys/proc.h>
1c79356b A	66	#include <sys/conf.h>
91447636 A	67	#include <sys/mount_internal.h>
91447636 A	68	#include <sys/vnode_internal.h>
1c79356b A	69	#include <sys/malloc.h>
1c79356b A	70	#include <sys/ubc.h>
9bccf70c	71	#include <sys/quota.h>
1c79356b A	72
	73	#include <sys/vm.h>
	74	#include <vfs/vfs_support.h>
	75
	76	#include <miscfs/specfs/specdev.h>
	77	#include <miscfs/fifofs/fifo.h>
	78
1c79356b A	79	#include <ufs/ufs/quota.h>
	80	#include <ufs/ufs/inode.h>
	81	#include <ufs/ufs/dir.h>
	82	#include <ufs/ufs/ufsmount.h>
	83	#include <ufs/ufs/ufs_extern.h>
	84
	85	#include <ufs/ffs/fs.h>
	86	#include <ufs/ffs/ffs_extern.h>
	87	#if REV_ENDIAN_FS
	88	#include <ufs/ufs/ufs_byte_order.h>
1c79356b A	89	#endif /* REV_ENDIAN_FS */
	90
	91	#define VOPFUNC int ()(void )
	92
	93	/* Global vfs data structures for ufs. */
	94	int (*ffs_vnodeop_p)(void );
	95	struct vnodeopv_entry_desc ffs_vnodeop_entries[] = {
91447636 A	96	{ &vnop_default_desc, (VOPFUNC)vn_default_error },
	97	{ &vnop_lookup_desc, (VOPFUNC)ufs_lookup }, /* lookup */
	98	{ &vnop_create_desc, (VOPFUNC)ufs_create }, /* create */
	99	{ &vnop_whiteout_desc, (VOPFUNC)ufs_whiteout }, /* whiteout */
	100	{ &vnop_mknod_desc, (VOPFUNC)ufs_mknod }, /* mknod */
	101	{ &vnop_open_desc, (VOPFUNC)ufs_open }, /* open */
	102	{ &vnop_close_desc, (VOPFUNC)ufs_close }, /* close */
	103	{ &vnop_getattr_desc, (VOPFUNC)ufs_getattr }, /* getattr */
	104	{ &vnop_setattr_desc, (VOPFUNC)ufs_setattr }, /* setattr */
	105	{ &vnop_read_desc, (VOPFUNC)ffs_read }, /* read */
	106	{ &vnop_write_desc, (VOPFUNC)ffs_write }, /* write */
	107	{ &vnop_ioctl_desc, (VOPFUNC)ufs_ioctl }, /* ioctl */
	108	{ &vnop_select_desc, (VOPFUNC)ufs_select }, /* select */
	109	{ &vnop_revoke_desc, (VOPFUNC)ufs_revoke }, /* revoke */
	110	{ &vnop_mmap_desc, (VOPFUNC)ufs_mmap }, /* mmap */
	111	{ &vnop_fsync_desc, (VOPFUNC)ffs_fsync }, /* fsync */
	112	{ &vnop_remove_desc, (VOPFUNC)ufs_remove }, /* remove */
	113	{ &vnop_link_desc, (VOPFUNC)ufs_link }, /* link */
	114	{ &vnop_rename_desc, (VOPFUNC)ufs_rename }, /* rename */
	115	{ &vnop_mkdir_desc, (VOPFUNC)ufs_mkdir }, /* mkdir */
	116	{ &vnop_rmdir_desc, (VOPFUNC)ufs_rmdir }, /* rmdir */
	117	{ &vnop_symlink_desc, (VOPFUNC)ufs_symlink }, /* symlink */
	118	{ &vnop_readdir_desc, (VOPFUNC)ufs_readdir }, /* readdir */
	119	{ &vnop_readlink_desc, (VOPFUNC)ufs_readlink }, /* readlink */
	120	{ &vnop_inactive_desc, (VOPFUNC)ufs_inactive }, /* inactive */
	121	{ &vnop_reclaim_desc, (VOPFUNC)ffs_reclaim }, /* reclaim */
	122	{ &vnop_strategy_desc, (VOPFUNC)ufs_strategy }, /* strategy */
	123	{ &vnop_pathconf_desc, (VOPFUNC)ufs_pathconf }, /* pathconf */
	124	{ &vnop_advlock_desc, (VOPFUNC)err_advlock }, /* advlock */
	125	{ &vnop_bwrite_desc, (VOPFUNC)vn_bwrite },
	126	{ &vnop_pagein_desc, (VOPFUNC)ffs_pagein }, /* Pagein */
	127	{ &vnop_pageout_desc, (VOPFUNC)ffs_pageout }, /* Pageout */
	128	{ &vnop_copyfile_desc, (VOPFUNC)err_copyfile }, /* Copy File */
	129	{ &vnop_blktooff_desc, (VOPFUNC)ffs_blktooff }, /* blktooff */
	130	{ &vnop_offtoblk_desc, (VOPFUNC)ffs_offtoblk }, /* offtoblk */
	131	{ &vnop_blockmap_desc, (VOPFUNC)ufs_blockmap }, /* blockmap */
	132	{ &vnop_kqfilt_add_desc, (VOPFUNC)ufs_kqfilt_add }, /* kqfilt_add */
1c79356b A	133	{ (struct vnodeop_desc)NULL, (int()())NULL }
	134	};
	135	struct vnodeopv_desc ffs_vnodeop_opv_desc =
	136	{ &ffs_vnodeop_p, ffs_vnodeop_entries };
	137
	138	int (*ffs_specop_p)(void );
	139	struct vnodeopv_entry_desc ffs_specop_entries[] = {
91447636 A	140	{ &vnop_default_desc, (VOPFUNC)vn_default_error },
	141	{ &vnop_lookup_desc, (VOPFUNC)spec_lookup }, /* lookup */
	142	{ &vnop_create_desc, (VOPFUNC)spec_create }, /* create */
	143	{ &vnop_mknod_desc, (VOPFUNC)spec_mknod }, /* mknod */
	144	{ &vnop_open_desc, (VOPFUNC)spec_open }, /* open */
	145	{ &vnop_close_desc, (VOPFUNC)ufsspec_close }, /* close */
	146	{ &vnop_getattr_desc, (VOPFUNC)ufs_getattr }, /* getattr */
	147	{ &vnop_setattr_desc, (VOPFUNC)ufs_setattr }, /* setattr */
	148	{ &vnop_read_desc, (VOPFUNC)ufsspec_read }, /* read */
	149	{ &vnop_write_desc, (VOPFUNC)ufsspec_write }, /* write */
	150	{ &vnop_ioctl_desc, (VOPFUNC)spec_ioctl }, /* ioctl */
	151	{ &vnop_select_desc, (VOPFUNC)spec_select }, /* select */
	152	{ &vnop_revoke_desc, (VOPFUNC)spec_revoke }, /* revoke */
	153	{ &vnop_mmap_desc, (VOPFUNC)spec_mmap }, /* mmap */
	154	{ &vnop_fsync_desc, (VOPFUNC)ffs_fsync }, /* fsync */
	155	{ &vnop_remove_desc, (VOPFUNC)spec_remove }, /* remove */
	156	{ &vnop_link_desc, (VOPFUNC)spec_link }, /* link */
	157	{ &vnop_rename_desc, (VOPFUNC)spec_rename }, /* rename */
	158	{ &vnop_mkdir_desc, (VOPFUNC)spec_mkdir }, /* mkdir */
	159	{ &vnop_rmdir_desc, (VOPFUNC)spec_rmdir }, /* rmdir */
	160	{ &vnop_symlink_desc, (VOPFUNC)spec_symlink }, /* symlink */
	161	{ &vnop_readdir_desc, (VOPFUNC)spec_readdir }, /* readdir */
	162	{ &vnop_readlink_desc, (VOPFUNC)spec_readlink }, /* readlink */
	163	{ &vnop_inactive_desc, (VOPFUNC)ufs_inactive }, /* inactive */
	164	{ &vnop_reclaim_desc, (VOPFUNC)ffs_reclaim }, /* reclaim */
	165	{ &vnop_strategy_desc, (VOPFUNC)spec_strategy }, /* strategy */
	166	{ &vnop_pathconf_desc, (VOPFUNC)spec_pathconf }, /* pathconf */
	167	{ &vnop_advlock_desc, (VOPFUNC)err_advlock }, /* advlock */
	168	{ &vnop_bwrite_desc, (VOPFUNC)vn_bwrite },
91447636 A	169	{ &vnop_pagein_desc, (VOPFUNC)ffs_pagein }, /* Pagein */
	170	{ &vnop_pageout_desc, (VOPFUNC)ffs_pageout }, /* Pageout */
	171	{ &vnop_copyfile_desc, (VOPFUNC)err_copyfile }, /* Copy File */
	172	{ &vnop_blktooff_desc, (VOPFUNC)ffs_blktooff }, /* blktooff */
	173	{ &vnop_offtoblk_desc, (VOPFUNC)ffs_offtoblk }, /* offtoblk */
	174	{ &vnop_blockmap_desc, (VOPFUNC)spec_blockmap }, /* blockmap */
1c79356b A	175	{ (struct vnodeop_desc)NULL, (int()())NULL }
	176	};
	177	struct vnodeopv_desc ffs_specop_opv_desc =
	178	{ &ffs_specop_p, ffs_specop_entries };
	179
	180	#if FIFO
	181	int (*ffs_fifoop_p)(void );
	182	struct vnodeopv_entry_desc ffs_fifoop_entries[] = {
91447636 A	183	{ &vnop_default_desc, (VOPFUNC)vn_default_error },
	184	{ &vnop_lookup_desc, (VOPFUNC)fifo_lookup }, /* lookup */
	185	{ &vnop_create_desc, (VOPFUNC)fifo_create }, /* create */
	186	{ &vnop_mknod_desc, (VOPFUNC)fifo_mknod }, /* mknod */
	187	{ &vnop_open_desc, (VOPFUNC)fifo_open }, /* open */
	188	{ &vnop_close_desc, (VOPFUNC)ufsfifo_close }, /* close */
	189	{ &vnop_getattr_desc, (VOPFUNC)ufs_getattr }, /* getattr */
	190	{ &vnop_setattr_desc, (VOPFUNC)ufs_setattr }, /* setattr */
	191	{ &vnop_read_desc, (VOPFUNC)ufsfifo_read }, /* read */
	192	{ &vnop_write_desc, (VOPFUNC)ufsfifo_write }, /* write */
	193	{ &vnop_ioctl_desc, (VOPFUNC)fifo_ioctl }, /* ioctl */
	194	{ &vnop_select_desc, (VOPFUNC)fifo_select }, /* select */
	195	{ &vnop_revoke_desc, (VOPFUNC)fifo_revoke }, /* revoke */
	196	{ &vnop_mmap_desc, (VOPFUNC)fifo_mmap }, /* mmap */
	197	{ &vnop_fsync_desc, (VOPFUNC)ffs_fsync }, /* fsync */
	198	{ &vnop_remove_desc, (VOPFUNC)fifo_remove }, /* remove */
	199	{ &vnop_link_desc, (VOPFUNC)fifo_link }, /* link */
	200	{ &vnop_rename_desc, (VOPFUNC)fifo_rename }, /* rename */
	201	{ &vnop_mkdir_desc, (VOPFUNC)fifo_mkdir }, /* mkdir */
	202	{ &vnop_rmdir_desc, (VOPFUNC)fifo_rmdir }, /* rmdir */
	203	{ &vnop_symlink_desc, (VOPFUNC)fifo_symlink }, /* symlink */
	204	{ &vnop_readdir_desc, (VOPFUNC)fifo_readdir }, /* readdir */
	205	{ &vnop_readlink_desc, (VOPFUNC)fifo_readlink }, /* readlink */
	206	{ &vnop_inactive_desc, (VOPFUNC)ufs_inactive }, /* inactive */
	207	{ &vnop_reclaim_desc, (VOPFUNC)ffs_reclaim }, /* reclaim */
	208	{ &vnop_strategy_desc, (VOPFUNC)fifo_strategy }, /* strategy */
	209	{ &vnop_pathconf_desc, (VOPFUNC)fifo_pathconf }, /* pathconf */
	210	{ &vnop_advlock_desc, (VOPFUNC)err_advlock }, /* advlock */
	211	{ &vnop_bwrite_desc, (VOPFUNC)vn_bwrite },
	212	{ &vnop_pagein_desc, (VOPFUNC)ffs_pagein }, /* Pagein */
	213	{ &vnop_pageout_desc, (VOPFUNC)ffs_pageout }, /* Pageout */
	214	{ &vnop_copyfile_desc, (VOPFUNC)err_copyfile }, /* Copy File */
	215	{ &vnop_blktooff_desc, (VOPFUNC)ffs_blktooff }, /* blktooff */
	216	{ &vnop_offtoblk_desc, (VOPFUNC)ffs_offtoblk }, /* offtoblk */
	217	{ &vnop_blockmap_desc, (VOPFUNC)ufs_blockmap }, /* blockmap */
	218	{ &vnop_kqfilt_add_desc, (VOPFUNC)ufsfifo_kqfilt_add }, /* kqfilt_add */
1c79356b A	219	{ (struct vnodeop_desc)NULL, (int()())NULL }
	220	};
	221	struct vnodeopv_desc ffs_fifoop_opv_desc =
	222	{ &ffs_fifoop_p, ffs_fifoop_entries };
	223	#endif /* FIFO */
	224
	225	/*
	226	* Enabling cluster read/write operations.
	227	*/
	228	int doclusterread = 0;
	229	int doclusterwrite = 0;
	230
	231	#include <ufs/ufs/ufs_readwrite.c>
	232
	233	/*
	234	* Synch an open file.
	235	*/
	236	/* ARGSUSED */
	237	int
	238	ffs_fsync(ap)
91447636	239	struct vnop_fsync_args /* {
1c79356b	240	struct vnode *a_vp;
1c79356b	241	int a_waitfor;
91447636	242	vfs_context_t a_context;
1c79356b A	243	} / ap;
1c79356b A	244	{
91447636 A	245	return(ffs_fsync_internal(ap->a_vp, ap->a_waitfor));
	246	}
	247
	248
	249	int
	250	ffs_fsync_internal(vnode_t vp, int waitfor)
	251	{
1c79356b	252	struct timeval tv;
91447636	253	int wait = (waitfor == MNT_WAIT);
1c79356b A	254
	255	/*
	256	* Write out any clusters.
	257	*/
91447636	258	cluster_push(vp, 0);
1c79356b	259
1c79356b A	260	/*
	261	* Flush all dirty buffers associated with a vnode.
	262	*/
91447636 A	263	buf_flushdirtyblks(vp, wait, 0, (char *)"ffs_fsync");
	264	microtime(&tv);
	265
	266	return (ffs_update(vp, &tv, &tv, wait));
1c79356b A	267	}
	268
	269	/*
	270	* Reclaim an inode so that it can be used for other purposes.
	271	*/
	272	int
	273	ffs_reclaim(ap)
91447636	274	struct vnop_reclaim_args /* {
1c79356b	275	struct vnode *a_vp;
91447636	276	vfs_context_t a_context;
1c79356b A	277	} / ap;
	278	{
	279	register struct vnode *vp = ap->a_vp;
	280	int error;
	281
91447636	282	if ( (error = ufs_reclaim(vp, vfs_context_proc(ap->a_context))) )
1c79356b	283	return (error);
91447636 A	284
	285	FREE_ZONE(vnode_fsnode(vp), sizeof (struct inode), M_FFSNODE);
	286
	287	vnode_clearfsnode(vp);
	288
1c79356b A	289	return (0);
	290	}
	291
	292	/* Blktooff converts a logical block number to a file offset */
	293	int
	294	ffs_blktooff(ap)
91447636	295	struct vnop_blktooff_args /* {
1c79356b	296	struct vnode *a_vp;
91447636	297	daddr64_t a_lblkno;
1c79356b A	298	off_t *a_offset;
	299	} / ap;
	300	{
	301	register struct inode *ip;
	302	register FS *fs;
1c79356b A	303
	304	if (ap->a_vp == NULL)
	305	return (EINVAL);
	306
91447636	307	fs = VTOI(ap->a_vp)->I_FS;
1c79356b	308
91447636	309	*ap->a_offset = (off_t)lblktosize(fs, ap->a_lblkno);
1c79356b	310
1c79356b A	311	return (0);
	312	}
	313
	314	/* Blktooff converts a logical block number to a file offset */
	315	int
	316	ffs_offtoblk(ap)
91447636	317	struct vnop_offtoblk_args /* {
1c79356b A	318	struct vnode *a_vp;
1c79356b A	319	off_t a_offset;
91447636	320	daddr64_t *a_lblkno;
1c79356b A	321	} / ap;
1c79356b A	322	{
91447636	323	register FS *fs;
1c79356b A	324
	325	if (ap->a_vp == NULL)
	326	return (EINVAL);
	327
91447636 A	328	fs = VTOI(ap->a_vp)->I_FS;
	329
	330	*ap->a_lblkno = (daddr64_t)lblkno(fs, ap->a_offset);
1c79356b	331
1c79356b A	332	return (0);
1c79356b A	333	}