1 /*
2  * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms of version 2 of the GNU General Public License as
6  * published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it would be useful, but
9  * WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11  *
12  * Further, this software is distributed without any warranty that it is
13  * free of the rightful claim of any third person regarding infringement
14  * or the like.  Any license provided herein, whether implied or
15  * otherwise, applies only to this software file.  Patent licenses, if
16  * any, provided herein do not apply to combinations of this program with
17  * other software, or any other product whatsoever.
18  *
19  * You should have received a copy of the GNU General Public License along
20  * with this program; if not, write the Free Software Foundation, Inc., 59
21  * Temple Place - Suite 330, Boston MA 02111-1307, USA.
22  *
23  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24  * Mountain View, CA  94043, or:
25  *
26  * http://www.sgi.com
27  *
28  * For further information regarding this notice, see:
29  *
30  * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
31  */
32 
33 #include "xfs.h"
34 #include "xfs_macros.h"
35 #include "xfs_types.h"
36 #include "xfs_inum.h"
37 #include "xfs_log.h"
38 #include "xfs_trans.h"
39 #include "xfs_sb.h"
40 #include "xfs_ag.h"
41 #include "xfs_dir.h"
42 #include "xfs_dir2.h"
43 #include "xfs_dmapi.h"
44 #include "xfs_mount.h"
45 #include "xfs_alloc_btree.h"
46 #include "xfs_bmap_btree.h"
47 #include "xfs_ialloc_btree.h"
48 #include "xfs_itable.h"
49 #include "xfs_btree.h"
50 #include "xfs_alloc.h"
51 #include "xfs_ialloc.h"
52 #include "xfs_attr_sf.h"
53 #include "xfs_dir_sf.h"
54 #include "xfs_dir2_sf.h"
55 #include "xfs_dinode.h"
56 #include "xfs_inode_item.h"
57 #include "xfs_inode.h"
58 #include "xfs_bmap.h"
59 #include "xfs_error.h"
60 #include "xfs_bit.h"
61 #include "xfs_rw.h"
62 #include "xfs_quota.h"
63 #include "xfs_trans_space.h"
64 #include "xfs_iomap.h"
65 
66 
67 STATIC xfs_fsize_t
xfs_size_fn(xfs_inode_t * ip)68 xfs_size_fn(
69 	xfs_inode_t		*ip)
70 {
71 	return (ip->i_d.di_size);
72 }
73 
74 STATIC int
xfs_ioinit(struct vfs * vfsp,struct xfs_mount_args * mntargs,int flags)75 xfs_ioinit(
76 	struct vfs		*vfsp,
77 	struct xfs_mount_args	*mntargs,
78 	int			flags)
79 {
80 	return xfs_mountfs(vfsp, XFS_VFSTOM(vfsp), flags);
81 }
82 
83 xfs_ioops_t	xfs_iocore_xfs = {
84 	.xfs_ioinit		= (xfs_ioinit_t) xfs_ioinit,
85 	.xfs_bmapi_func		= (xfs_bmapi_t) xfs_bmapi,
86 	.xfs_bmap_eof_func	= (xfs_bmap_eof_t) xfs_bmap_eof,
87 	.xfs_iomap_write_direct =
88 			(xfs_iomap_write_direct_t) xfs_iomap_write_direct,
89 	.xfs_iomap_write_delay =
90 			(xfs_iomap_write_delay_t) xfs_iomap_write_delay,
91 	.xfs_iomap_write_allocate =
92 			(xfs_iomap_write_allocate_t) xfs_iomap_write_allocate,
93 	.xfs_iomap_write_unwritten =
94 			(xfs_iomap_write_unwritten_t) xfs_iomap_write_unwritten,
95 	.xfs_ilock		= (xfs_lock_t) xfs_ilock,
96 	.xfs_lck_map_shared	= (xfs_lck_map_shared_t) xfs_ilock_map_shared,
97 	.xfs_ilock_demote	= (xfs_lock_demote_t) xfs_ilock_demote,
98 	.xfs_ilock_nowait	= (xfs_lock_nowait_t) xfs_ilock_nowait,
99 	.xfs_unlock		= (xfs_unlk_t) xfs_iunlock,
100 	.xfs_size_func		= (xfs_size_t) xfs_size_fn,
101 	.xfs_iodone		= (xfs_iodone_t) fs_noerr,
102 };
103 
104 void
xfs_iocore_inode_reinit(xfs_inode_t * ip)105 xfs_iocore_inode_reinit(
106 	xfs_inode_t	*ip)
107 {
108 	xfs_iocore_t	*io = &ip->i_iocore;
109 
110 	io->io_flags = 0;
111 	if (ip->i_d.di_flags & XFS_DIFLAG_REALTIME)
112 		io->io_flags |= XFS_IOCORE_RT;
113 	io->io_dmevmask = ip->i_d.di_dmevmask;
114 	io->io_dmstate = ip->i_d.di_dmstate;
115 }
116 
117 void
xfs_iocore_inode_init(xfs_inode_t * ip)118 xfs_iocore_inode_init(
119 	xfs_inode_t	*ip)
120 {
121 	xfs_iocore_t	*io = &ip->i_iocore;
122 	xfs_mount_t	*mp = ip->i_mount;
123 
124 	io->io_mount = mp;
125 #ifdef DEBUG
126 	io->io_lock = &ip->i_lock;
127 	io->io_iolock = &ip->i_iolock;
128 #endif
129 
130 	io->io_obj = (void *)ip;
131 
132 	xfs_iocore_inode_reinit(ip);
133 }
134