40 static inline int ext2_add_nondir(struct dentry *dentry, struct inode *inode)  in ext2_add_nondir()  argument
42 	int err = ext2_add_link(dentry, inode);  in ext2_add_nondir()
44 		d_instantiate_new(dentry, inode);  in ext2_add_nondir()
47 	inode_dec_link_count(inode);  in ext2_add_nondir()
48 	discard_new_inode(inode);  in ext2_add_nondir()
56 static struct dentry *ext2_lookup(struct inode * dir, struct dentry *dentry, unsigned int flags)  in ext2_lookup()
58 	struct inode * inode;  in ext2_lookup()  local
69 		inode = NULL;  in ext2_lookup()
71 		inode = ext2_iget(dir->i_sb, ino);  in ext2_lookup()
72 		if (inode == ERR_PTR(-ESTALE)) {  in ext2_lookup()
79 	return d_splice_alias(inode, dentry);  in ext2_lookup()
103 			struct inode * dir, struct dentry * dentry,  in ext2_create()
106 	struct inode *inode;  in ext2_create()  local
113 	inode = ext2_new_inode(dir, mode, &dentry->d_name);  in ext2_create()
114 	if (IS_ERR(inode))  in ext2_create()
115 		return PTR_ERR(inode);  in ext2_create()
117 	ext2_set_file_ops(inode);  in ext2_create()
118 	mark_inode_dirty(inode);  in ext2_create()
119 	return ext2_add_nondir(dentry, inode);  in ext2_create()
122 static int ext2_tmpfile(struct mnt_idmap *idmap, struct inode *dir,  in ext2_tmpfile()
125 	struct inode *inode = ext2_new_inode(dir, mode, NULL);  in ext2_tmpfile()  local
126 	if (IS_ERR(inode))  in ext2_tmpfile()
127 		return PTR_ERR(inode);  in ext2_tmpfile()
129 	ext2_set_file_ops(inode);  in ext2_tmpfile()
130 	mark_inode_dirty(inode);  in ext2_tmpfile()
131 	d_tmpfile(file, inode);  in ext2_tmpfile()
132 	unlock_new_inode(inode);  in ext2_tmpfile()
136 static int ext2_mknod (struct mnt_idmap * idmap, struct inode * dir,  in ext2_mknod()
139 	struct inode * inode;  in ext2_mknod()  local
146 	inode = ext2_new_inode (dir, mode, &dentry->d_name);  in ext2_mknod()
147 	err = PTR_ERR(inode);  in ext2_mknod()
148 	if (!IS_ERR(inode)) {  in ext2_mknod()
149 		init_special_inode(inode, inode->i_mode, rdev);  in ext2_mknod()
150 		inode->i_op = &ext2_special_inode_operations;  in ext2_mknod()
151 		mark_inode_dirty(inode);  in ext2_mknod()
152 		err = ext2_add_nondir(dentry, inode);  in ext2_mknod()
157 static int ext2_symlink (struct mnt_idmap * idmap, struct inode * dir,  in ext2_symlink()
163 	struct inode * inode;  in ext2_symlink()  local
172 	inode = ext2_new_inode (dir, S_IFLNK | S_IRWXUGO, &dentry->d_name);  in ext2_symlink()
173 	err = PTR_ERR(inode);  in ext2_symlink()
174 	if (IS_ERR(inode))  in ext2_symlink()
177 	if (l > sizeof (EXT2_I(inode)->i_data)) {  in ext2_symlink()
179 		inode->i_op = &ext2_symlink_inode_operations;  in ext2_symlink()
180 		inode_nohighmem(inode);  in ext2_symlink()
181 		inode->i_mapping->a_ops = &ext2_aops;  in ext2_symlink()
182 		err = page_symlink(inode, symname, l);  in ext2_symlink()
187 		inode->i_op = &ext2_fast_symlink_inode_operations;  in ext2_symlink()
188 		inode->i_link = (char*)EXT2_I(inode)->i_data;  in ext2_symlink()
189 		memcpy(inode->i_link, symname, l);  in ext2_symlink()
190 		inode->i_size = l-1;  in ext2_symlink()
192 	mark_inode_dirty(inode);  in ext2_symlink()
194 	err = ext2_add_nondir(dentry, inode);  in ext2_symlink()
199 	inode_dec_link_count(inode);  in ext2_symlink()
200 	discard_new_inode(inode);  in ext2_symlink()
204 static int ext2_link (struct dentry * old_dentry, struct inode * dir,  in ext2_link()
207 	struct inode *inode = d_inode(old_dentry);  in ext2_link()  local
214 	inode_set_ctime_current(inode);  in ext2_link()
215 	inode_inc_link_count(inode);  in ext2_link()
216 	ihold(inode);  in ext2_link()
218 	err = ext2_add_link(dentry, inode);  in ext2_link()
220 		d_instantiate(dentry, inode);  in ext2_link()
223 	inode_dec_link_count(inode);  in ext2_link()
224 	iput(inode);  in ext2_link()
229 	struct inode * dir, struct dentry * dentry, umode_t mode)  in ext2_mkdir()
231 	struct inode * inode;  in ext2_mkdir()  local
240 	inode = ext2_new_inode(dir, S_IFDIR | mode, &dentry->d_name);  in ext2_mkdir()
241 	err = PTR_ERR(inode);  in ext2_mkdir()
242 	if (IS_ERR(inode))  in ext2_mkdir()
245 	inode->i_op = &ext2_dir_inode_operations;  in ext2_mkdir()
246 	inode->i_fop = &ext2_dir_operations;  in ext2_mkdir()
247 	inode->i_mapping->a_ops = &ext2_aops;  in ext2_mkdir()
249 	inode_inc_link_count(inode);  in ext2_mkdir()
251 	err = ext2_make_empty(inode, dir);  in ext2_mkdir()
255 	err = ext2_add_link(dentry, inode);  in ext2_mkdir()
259 	d_instantiate_new(dentry, inode);  in ext2_mkdir()
264 	inode_dec_link_count(inode);  in ext2_mkdir()
265 	inode_dec_link_count(inode);  in ext2_mkdir()
266 	discard_new_inode(inode);  in ext2_mkdir()
272 static int ext2_unlink(struct inode *dir, struct dentry *dentry)  in ext2_unlink()
274 	struct inode *inode = d_inode(dentry);  in ext2_unlink()  local
294 	inode_set_ctime_to_ts(inode, inode_get_ctime(dir));  in ext2_unlink()
295 	inode_dec_link_count(inode);  in ext2_unlink()
301 static int ext2_rmdir (struct inode * dir, struct dentry *dentry)  in ext2_rmdir()
303 	struct inode * inode = d_inode(dentry);  in ext2_rmdir()  local
306 	if (ext2_empty_dir(inode)) {  in ext2_rmdir()
309 			inode->i_size = 0;  in ext2_rmdir()
310 			inode_dec_link_count(inode);  in ext2_rmdir()
318 			struct inode * old_dir, struct dentry * old_dentry,  in ext2_rename()
319 			struct inode * new_dir, struct dentry * new_dentry,  in ext2_rename()
322 	struct inode * old_inode = d_inode(old_dentry);  in ext2_rename()
323 	struct inode * new_inode = d_inode(new_dentry);  in ext2_rename()