aboutsummaryrefslogtreecommitdiff
path: root/fs/xfs/xfs_iocore.c
blob: 414ec496845f1710aae2c0b6d43cdd7a02a50254 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/*
 * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it would be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Further, this software is distributed without any warranty that it is
 * free of the rightful claim of any third person regarding infringement
 * or the like.  Any license provided herein, whether implied or
 * otherwise, applies only to this software file.  Patent licenses, if
 * any, provided herein do not apply to combinations of this program with
 * other software, or any other product whatsoever.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write the Free Software Foundation, Inc., 59
 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
 *
 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
 * Mountain View, CA  94043, or:
 *
 * http://www.sgi.com
 *
 * For further information regarding this notice, see:
 *
 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
 */

#include "xfs.h"
#include "xfs_macros.h"
#include "xfs_types.h"
#include "xfs_inum.h"
#include "xfs_log.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
#include "xfs_dir.h"
#include "xfs_dir2.h"
#include "xfs_dmapi.h"
#include "xfs_mount.h"
#include "xfs_alloc_btree.h"
#include "xfs_bmap_btree.h"
#include "xfs_ialloc_btree.h"
#include "xfs_itable.h"
#include "xfs_btree.h"
#include "xfs_alloc.h"
#include "xfs_ialloc.h"
#include "xfs_attr_sf.h"
#include "xfs_dir_sf.h"
#include "xfs_dir2_sf.h"
#include "xfs_dinode.h"
#include "xfs_inode_item.h"
#include "xfs_inode.h"
#include "xfs_bmap.h"
#include "xfs_error.h"
#include "xfs_bit.h"
#include "xfs_rw.h"
#include "xfs_quota.h"
#include "xfs_trans_space.h"
#include "xfs_iomap.h"


STATIC xfs_fsize_t
xfs_size_fn(
	xfs_inode_t		*ip)
{
	return (ip->i_d.di_size);
}

STATIC int
xfs_ioinit(
	struct vfs		*vfsp,
	struct xfs_mount_args	*mntargs,
	int			flags)
{
	return xfs_mountfs(vfsp, XFS_VFSTOM(vfsp), flags);
}

xfs_ioops_t	xfs_iocore_xfs = {
	.xfs_ioinit		= (xfs_ioinit_t) xfs_ioinit,
	.xfs_bmapi_func		= (xfs_bmapi_t) xfs_bmapi,
	.xfs_bmap_eof_func	= (xfs_bmap_eof_t) xfs_bmap_eof,
	.xfs_iomap_write_direct =
			(xfs_iomap_write_direct_t) xfs_iomap_write_direct,
	.xfs_iomap_write_delay =
			(xfs_iomap_write_delay_t) xfs_iomap_write_delay,
	.xfs_iomap_write_allocate =
			(xfs_iomap_write_allocate_t) xfs_iomap_write_allocate,
	.xfs_iomap_write_unwritten =
			(xfs_iomap_write_unwritten_t) xfs_iomap_write_unwritten,
	.xfs_ilock		= (xfs_lock_t) xfs_ilock,
	.xfs_lck_map_shared	= (xfs_lck_map_shared_t) xfs_ilock_map_shared,
	.xfs_ilock_demote	= (xfs_lock_demote_t) xfs_ilock_demote,
	.xfs_ilock_nowait	= (xfs_lock_nowait_t) xfs_ilock_nowait,
	.xfs_unlock		= (xfs_unlk_t) xfs_iunlock,
	.xfs_size_func		= (xfs_size_t) xfs_size_fn,
	.xfs_iodone		= (xfs_iodone_t) fs_noerr,
};

void
xfs_iocore_inode_reinit(
	xfs_inode_t	*ip)
{
	xfs_iocore_t	*io = &ip->i_iocore;

	io->io_flags = 0;
	if (ip->i_d.di_flags & XFS_DIFLAG_REALTIME)
		io->io_flags |= XFS_IOCORE_RT;
	io->io_dmevmask = ip->i_d.di_dmevmask;
	io->io_dmstate = ip->i_d.di_dmstate;
}

void
xfs_iocore_inode_init(
	xfs_inode_t	*ip)
{
	xfs_iocore_t	*io = &ip->i_iocore;
	xfs_mount_t	*mp = ip->i_mount;

	io->io_mount = mp;
#ifdef DEBUG
	io->io_lock = &ip->i_lock;
	io->io_iolock = &ip->i_iolock;
#endif

	io->io_obj = (void *)ip;

	xfs_iocore_inode_reinit(ip);
}