20 static struct inode *hfsplus_alloc_inode(struct super_block *sb);
21 static void hfsplus_destroy_inode(struct inode *inode);
26 static int hfsplus_system_read_inode(struct inode *inode)  in hfsplus_system_read_inode()  argument
28 	struct hfsplus_vh *vhdr = HFSPLUS_SB(inode->i_sb)->s_vhdr;  in hfsplus_system_read_inode()
30 	switch (inode->i_ino) {  in hfsplus_system_read_inode()
32 		hfsplus_inode_read_fork(inode, &vhdr->ext_file);  in hfsplus_system_read_inode()
33 		inode->i_mapping->a_ops = &hfsplus_btree_aops;  in hfsplus_system_read_inode()
36 		hfsplus_inode_read_fork(inode, &vhdr->cat_file);  in hfsplus_system_read_inode()
37 		inode->i_mapping->a_ops = &hfsplus_btree_aops;  in hfsplus_system_read_inode()
40 		hfsplus_inode_read_fork(inode, &vhdr->alloc_file);  in hfsplus_system_read_inode()
41 		inode->i_mapping->a_ops = &hfsplus_aops;  in hfsplus_system_read_inode()
44 		hfsplus_inode_read_fork(inode, &vhdr->start_file);  in hfsplus_system_read_inode()
47 		hfsplus_inode_read_fork(inode, &vhdr->attr_file);  in hfsplus_system_read_inode()
48 		inode->i_mapping->a_ops = &hfsplus_btree_aops;  in hfsplus_system_read_inode()
57 struct inode *hfsplus_iget(struct super_block *sb, unsigned long ino)  in hfsplus_iget()
60 	struct inode *inode;  in hfsplus_iget()  local
63 	inode = iget_locked(sb, ino);  in hfsplus_iget()
64 	if (!inode)  in hfsplus_iget()
66 	if (!(inode->i_state & I_NEW))  in hfsplus_iget()
67 		return inode;  in hfsplus_iget()
69 	INIT_LIST_HEAD(&HFSPLUS_I(inode)->open_dir_list);  in hfsplus_iget()
70 	mutex_init(&HFSPLUS_I(inode)->extents_lock);  in hfsplus_iget()
71 	HFSPLUS_I(inode)->flags = 0;  in hfsplus_iget()
72 	HFSPLUS_I(inode)->extent_state = 0;  in hfsplus_iget()
73 	HFSPLUS_I(inode)->rsrc_inode = NULL;  in hfsplus_iget()
74 	atomic_set(&HFSPLUS_I(inode)->opencnt, 0);  in hfsplus_iget()
76 	if (inode->i_ino >= HFSPLUS_FIRSTUSER_CNID ||  in hfsplus_iget()
77 	    inode->i_ino == HFSPLUS_ROOT_CNID) {  in hfsplus_iget()
78 		err = hfs_find_init(HFSPLUS_SB(inode->i_sb)->cat_tree, &fd);  in hfsplus_iget()
80 			err = hfsplus_find_cat(inode->i_sb, inode->i_ino, &fd);  in hfsplus_iget()
82 				err = hfsplus_cat_read_inode(inode, &fd);  in hfsplus_iget()
86 		err = hfsplus_system_read_inode(inode);  in hfsplus_iget()
90 		iget_failed(inode);  in hfsplus_iget()
94 	unlock_new_inode(inode);  in hfsplus_iget()
95 	return inode;  in hfsplus_iget()
98 static int hfsplus_system_write_inode(struct inode *inode)  in hfsplus_system_write_inode()  argument
100 	struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);  in hfsplus_system_write_inode()
105 	switch (inode->i_ino) {  in hfsplus_system_write_inode()
128 	if (fork->total_size != cpu_to_be64(inode->i_size)) {  in hfsplus_system_write_inode()
130 		hfsplus_mark_mdb_dirty(inode->i_sb);  in hfsplus_system_write_inode()
132 	hfsplus_inode_write_fork(inode, fork);  in hfsplus_system_write_inode()
138 			       err, inode->i_ino);  in hfsplus_system_write_inode()
145 static int hfsplus_write_inode(struct inode *inode,  in hfsplus_write_inode()  argument
150 	hfs_dbg(INODE, "hfsplus_write_inode: %lu\n", inode->i_ino);  in hfsplus_write_inode()
152 	err = hfsplus_ext_write_extent(inode);  in hfsplus_write_inode()
156 	if (inode->i_ino >= HFSPLUS_FIRSTUSER_CNID ||  in hfsplus_write_inode()
157 	    inode->i_ino == HFSPLUS_ROOT_CNID)  in hfsplus_write_inode()
158 		return hfsplus_cat_write_inode(inode);  in hfsplus_write_inode()
160 		return hfsplus_system_write_inode(inode);  in hfsplus_write_inode()
163 static void hfsplus_evict_inode(struct inode *inode)  in hfsplus_evict_inode()  argument
165 	hfs_dbg(INODE, "hfsplus_evict_inode: %lu\n", inode->i_ino);  in hfsplus_evict_inode()
166 	truncate_inode_pages_final(&inode->i_data);  in hfsplus_evict_inode()
167 	clear_inode(inode);  in hfsplus_evict_inode()
168 	if (HFSPLUS_IS_RSRC(inode)) {  in hfsplus_evict_inode()
169 		HFSPLUS_I(HFSPLUS_I(inode)->rsrc_inode)->rsrc_inode = NULL;  in hfsplus_evict_inode()
170 		iput(HFSPLUS_I(inode)->rsrc_inode);  in hfsplus_evict_inode()
194 	error = filemap_write_and_wait(sbi->cat_tree->inode->i_mapping);  in hfsplus_sync_fs()
195 	error2 = filemap_write_and_wait(sbi->ext_tree->inode->i_mapping);  in hfsplus_sync_fs()
200 		    filemap_write_and_wait(sbi->attr_tree->inode->i_mapping);  in hfsplus_sync_fs()
377 	struct inode *root, *inode;  in hfsplus_fill_super()  local
491 	inode = hfsplus_iget(sb, HFSPLUS_ALLOC_CNID);  in hfsplus_fill_super()
492 	if (IS_ERR(inode)) {  in hfsplus_fill_super()
494 		err = PTR_ERR(inode);  in hfsplus_fill_super()
497 	sbi->alloc_file = inode;  in hfsplus_fill_super()
526 		inode = hfsplus_iget(sb, be32_to_cpu(entry.folder.id));  in hfsplus_fill_super()
527 		if (IS_ERR(inode)) {  in hfsplus_fill_super()
528 			err = PTR_ERR(inode);  in hfsplus_fill_super()
531 		sbi->hidden_dir = inode;  in hfsplus_fill_super()
617 static struct inode *hfsplus_alloc_inode(struct super_block *sb)  in hfsplus_alloc_inode()
627 	struct inode *inode = container_of(head, struct inode, i_rcu);  in hfsplus_i_callback()  local
629 	kmem_cache_free(hfsplus_inode_cachep, HFSPLUS_I(inode));  in hfsplus_i_callback()
632 static void hfsplus_destroy_inode(struct inode *inode)  in hfsplus_destroy_inode()  argument
634 	call_rcu(&inode->i_rcu, hfsplus_i_callback);  in hfsplus_destroy_inode()