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2 * Copyright (C) International Business Machines Corp., 2000-2004
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #include <linux/quotaops.h>
21 #include "jfs_incore.h"
22 #include "jfs_inode.h"
23 #include "jfs_filsys.h"
25 #include "jfs_dinode.h"
26 #include "jfs_debug.h"
29 void jfs_set_inode_flags(struct inode
*inode
)
31 unsigned int flags
= JFS_IP(inode
)->mode2
;
32 unsigned int new_fl
= 0;
34 if (flags
& JFS_IMMUTABLE_FL
)
35 new_fl
|= S_IMMUTABLE
;
36 if (flags
& JFS_APPEND_FL
)
38 if (flags
& JFS_NOATIME_FL
)
40 if (flags
& JFS_DIRSYNC_FL
)
42 if (flags
& JFS_SYNC_FL
)
44 inode_set_flags(inode
, new_fl
, S_IMMUTABLE
| S_APPEND
| S_NOATIME
|
48 void jfs_get_inode_flags(struct jfs_inode_info
*jfs_ip
)
50 unsigned int flags
= jfs_ip
->vfs_inode
.i_flags
;
52 jfs_ip
->mode2
&= ~(JFS_IMMUTABLE_FL
| JFS_APPEND_FL
| JFS_NOATIME_FL
|
53 JFS_DIRSYNC_FL
| JFS_SYNC_FL
);
54 if (flags
& S_IMMUTABLE
)
55 jfs_ip
->mode2
|= JFS_IMMUTABLE_FL
;
57 jfs_ip
->mode2
|= JFS_APPEND_FL
;
58 if (flags
& S_NOATIME
)
59 jfs_ip
->mode2
|= JFS_NOATIME_FL
;
60 if (flags
& S_DIRSYNC
)
61 jfs_ip
->mode2
|= JFS_DIRSYNC_FL
;
63 jfs_ip
->mode2
|= JFS_SYNC_FL
;
69 * FUNCTION: Allocate a new inode
72 struct inode
*ialloc(struct inode
*parent
, umode_t mode
)
74 struct super_block
*sb
= parent
->i_sb
;
76 struct jfs_inode_info
*jfs_inode
;
79 inode
= new_inode(sb
);
81 jfs_warn("ialloc: new_inode returned NULL!");
86 jfs_inode
= JFS_IP(inode
);
88 rc
= diAlloc(parent
, S_ISDIR(mode
), inode
);
90 jfs_warn("ialloc: diAlloc returned %d!", rc
);
92 make_bad_inode(inode
);
96 if (insert_inode_locked(inode
) < 0) {
101 inode_init_owner(inode
, parent
, mode
);
103 * New inodes need to save sane values on disk when
104 * uid & gid mount options are used
106 jfs_inode
->saved_uid
= inode
->i_uid
;
107 jfs_inode
->saved_gid
= inode
->i_gid
;
110 * Allocate inode to quota.
112 dquot_initialize(inode
);
113 rc
= dquot_alloc_inode(inode
);
117 /* inherit flags from parent */
118 jfs_inode
->mode2
= JFS_IP(parent
)->mode2
& JFS_FL_INHERIT
;
121 jfs_inode
->mode2
|= IDIRECTORY
;
122 jfs_inode
->mode2
&= ~JFS_DIRSYNC_FL
;
125 jfs_inode
->mode2
|= INLINEEA
| ISPARSE
;
127 jfs_inode
->mode2
&= ~(JFS_IMMUTABLE_FL
|JFS_APPEND_FL
);
129 jfs_inode
->mode2
|= inode
->i_mode
;
132 inode
->i_mtime
= inode
->i_atime
= inode
->i_ctime
= CURRENT_TIME
;
133 jfs_inode
->otime
= inode
->i_ctime
.tv_sec
;
134 inode
->i_generation
= JFS_SBI(sb
)->gengen
++;
136 jfs_inode
->cflag
= 0;
138 /* Zero remaining fields */
139 memset(&jfs_inode
->acl
, 0, sizeof(dxd_t
));
140 memset(&jfs_inode
->ea
, 0, sizeof(dxd_t
));
141 jfs_inode
->next_index
= 0;
142 jfs_inode
->acltype
= 0;
143 jfs_inode
->btorder
= 0;
144 jfs_inode
->btindex
= 0;
145 jfs_inode
->bxflag
= 0;
147 jfs_inode
->atlhead
= 0;
148 jfs_inode
->atltail
= 0;
149 jfs_inode
->xtlid
= 0;
150 jfs_set_inode_flags(inode
);
152 jfs_info("ialloc returns inode = 0x%p\n", inode
);
158 inode
->i_flags
|= S_NOQUOTA
;
160 unlock_new_inode(inode
);