]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Copyright (C) International Business Machines Corp., 2000-2004 | |
3 | * | |
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 | |
63f83c9f | 6 | * the Free Software Foundation; either version 2 of the License, or |
1da177e4 | 7 | * (at your option) any later version. |
63f83c9f | 8 | * |
1da177e4 LT |
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. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
63f83c9f | 15 | * along with this program; if not, write to the Free Software |
1da177e4 LT |
16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
17 | */ | |
18 | ||
19 | #include <linux/fs.h> | |
20 | #include <linux/quotaops.h> | |
21 | #include "jfs_incore.h" | |
1868f4aa | 22 | #include "jfs_inode.h" |
1da177e4 LT |
23 | #include "jfs_filsys.h" |
24 | #include "jfs_imap.h" | |
25 | #include "jfs_dinode.h" | |
26 | #include "jfs_debug.h" | |
27 | ||
fa3241d2 HP |
28 | |
29 | void jfs_set_inode_flags(struct inode *inode) | |
30 | { | |
31 | unsigned int flags = JFS_IP(inode)->mode2; | |
24e4a0f3 | 32 | unsigned int new_fl = 0; |
fa3241d2 HP |
33 | |
34 | if (flags & JFS_IMMUTABLE_FL) | |
24e4a0f3 | 35 | new_fl |= S_IMMUTABLE; |
fa3241d2 | 36 | if (flags & JFS_APPEND_FL) |
24e4a0f3 | 37 | new_fl |= S_APPEND; |
fa3241d2 | 38 | if (flags & JFS_NOATIME_FL) |
24e4a0f3 | 39 | new_fl |= S_NOATIME; |
fa3241d2 | 40 | if (flags & JFS_DIRSYNC_FL) |
24e4a0f3 | 41 | new_fl |= S_DIRSYNC; |
fa3241d2 | 42 | if (flags & JFS_SYNC_FL) |
24e4a0f3 FF |
43 | new_fl |= S_SYNC; |
44 | inode_set_flags(inode, new_fl, S_IMMUTABLE | S_APPEND | S_NOATIME | | |
45 | S_DIRSYNC | S_SYNC); | |
fa3241d2 HP |
46 | } |
47 | ||
3e2221c7 DK |
48 | void jfs_get_inode_flags(struct jfs_inode_info *jfs_ip) |
49 | { | |
50 | unsigned int flags = jfs_ip->vfs_inode.i_flags; | |
51 | ||
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; | |
56 | if (flags & S_APPEND) | |
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; | |
62 | if (flags & S_SYNC) | |
63 | jfs_ip->mode2 |= JFS_SYNC_FL; | |
64 | } | |
65 | ||
1da177e4 LT |
66 | /* |
67 | * NAME: ialloc() | |
68 | * | |
69 | * FUNCTION: Allocate a new inode | |
70 | * | |
71 | */ | |
72 | struct inode *ialloc(struct inode *parent, umode_t mode) | |
73 | { | |
74 | struct super_block *sb = parent->i_sb; | |
75 | struct inode *inode; | |
76 | struct jfs_inode_info *jfs_inode; | |
77 | int rc; | |
78 | ||
79 | inode = new_inode(sb); | |
80 | if (!inode) { | |
81 | jfs_warn("ialloc: new_inode returned NULL!"); | |
1f3403fa DK |
82 | rc = -ENOMEM; |
83 | goto fail; | |
1da177e4 LT |
84 | } |
85 | ||
86 | jfs_inode = JFS_IP(inode); | |
87 | ||
88 | rc = diAlloc(parent, S_ISDIR(mode), inode); | |
89 | if (rc) { | |
90 | jfs_warn("ialloc: diAlloc returned %d!", rc); | |
087387f9 AM |
91 | if (rc == -EIO) |
92 | make_bad_inode(inode); | |
1f3403fa DK |
93 | goto fail_put; |
94 | } | |
95 | ||
96 | if (insert_inode_locked(inode) < 0) { | |
97 | rc = -EINVAL; | |
86609986 | 98 | goto fail_put; |
1da177e4 LT |
99 | } |
100 | ||
319b2be4 | 101 | inode_init_owner(inode, parent, mode); |
69eb66d7 DK |
102 | /* |
103 | * New inodes need to save sane values on disk when | |
104 | * uid & gid mount options are used | |
105 | */ | |
106 | jfs_inode->saved_uid = inode->i_uid; | |
107 | jfs_inode->saved_gid = inode->i_gid; | |
108 | ||
1da177e4 LT |
109 | /* |
110 | * Allocate inode to quota. | |
111 | */ | |
871a2931 | 112 | dquot_initialize(inode); |
63936dda CH |
113 | rc = dquot_alloc_inode(inode); |
114 | if (rc) | |
1f3403fa | 115 | goto fail_drop; |
1da177e4 | 116 | |
fa3241d2 HP |
117 | /* inherit flags from parent */ |
118 | jfs_inode->mode2 = JFS_IP(parent)->mode2 & JFS_FL_INHERIT; | |
119 | ||
120 | if (S_ISDIR(mode)) { | |
121 | jfs_inode->mode2 |= IDIRECTORY; | |
122 | jfs_inode->mode2 &= ~JFS_DIRSYNC_FL; | |
123 | } | |
4837c672 | 124 | else { |
fa3241d2 | 125 | jfs_inode->mode2 |= INLINEEA | ISPARSE; |
4837c672 DK |
126 | if (S_ISLNK(mode)) |
127 | jfs_inode->mode2 &= ~(JFS_IMMUTABLE_FL|JFS_APPEND_FL); | |
128 | } | |
319b2be4 | 129 | jfs_inode->mode2 |= inode->i_mode; |
fa3241d2 | 130 | |
1da177e4 LT |
131 | inode->i_blocks = 0; |
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++; | |
135 | ||
136 | jfs_inode->cflag = 0; | |
137 | ||
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; | |
146 | jfs_inode->blid = 0; | |
147 | jfs_inode->atlhead = 0; | |
148 | jfs_inode->atltail = 0; | |
149 | jfs_inode->xtlid = 0; | |
fa3241d2 | 150 | jfs_set_inode_flags(inode); |
1da177e4 LT |
151 | |
152 | jfs_info("ialloc returns inode = 0x%p\n", inode); | |
153 | ||
154 | return inode; | |
1f3403fa DK |
155 | |
156 | fail_drop: | |
9f754758 | 157 | dquot_drop(inode); |
1f3403fa | 158 | inode->i_flags |= S_NOQUOTA; |
6d6b77f1 | 159 | clear_nlink(inode); |
1f3403fa DK |
160 | unlock_new_inode(inode); |
161 | fail_put: | |
162 | iput(inode); | |
163 | fail: | |
164 | return ERR_PTR(rc); | |
1da177e4 | 165 | } |