2 * Copyright (c) International Business Machines Corp., 2000-2002
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 "jfs_incore.h"
21 #include "jfs_filsys.h"
23 #include "jfs_dinode.h"
24 #include "jfs_debug.h"
26 kmem_cache_t *jfs_inode_cachep;
31 * FUNCTION: Allocate a new inode
34 struct inode *ialloc(struct inode *parent, umode_t mode)
36 struct super_block *sb = parent->i_sb;
38 struct jfs_inode_info *jfs_inode;
41 inode = new_inode(sb);
43 jfs_warn("ialloc: new_inode returned NULL!");
47 rc = alloc_jfs_inode(inode);
49 make_bad_inode(inode);
53 jfs_inode = JFS_IP(inode);
55 rc = diAlloc(parent, S_ISDIR(mode), inode);
57 jfs_warn("ialloc: diAlloc returned %d!", rc);
58 free_jfs_inode(inode);
59 make_bad_inode(inode);
64 inode->i_uid = current->fsuid;
65 if (parent->i_mode & S_ISGID) {
66 inode->i_gid = parent->i_gid;
70 inode->i_gid = current->fsgid;
74 jfs_inode->mode2 = IDIRECTORY | mode;
76 jfs_inode->mode2 = INLINEEA | ISPARSE | mode;
77 inode->i_blksize = sb->s_blocksize;
79 inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
80 jfs_inode->otime = inode->i_ctime;
81 inode->i_generation = JFS_SBI(sb)->gengen++;
84 set_cflag(COMMIT_New, inode);
86 /* Zero remaining fields */
87 memset(&jfs_inode->acl, 0, sizeof(dxd_t));
88 memset(&jfs_inode->ea, 0, sizeof(dxd_t));
89 jfs_inode->next_index = 0;
90 jfs_inode->acltype = 0;
91 jfs_inode->btorder = 0;
92 jfs_inode->btindex = 0;
93 jfs_inode->bxflag = 0;
95 jfs_inode->atlhead = 0;
96 jfs_inode->atltail = 0;
99 jfs_info("ialloc returns inode = 0x%p\n", inode);
105 * NAME: alloc_jfs_inode()
107 * FUNCTION: Allocate jfs portion of in-memory inode
110 int alloc_jfs_inode(struct inode *inode)
112 struct jfs_inode_info *jfs_inode;
114 jfs_inode = kmem_cache_alloc(jfs_inode_cachep, GFP_NOFS);
115 inode->u.generic_ip = jfs_inode;
118 jfs_inode->inode = inode;