57 static struct dentry *dev_mount(struct file_system_type *fs_type, int flags,  in dev_mount()
152 	struct dentry *dentry;  in dev_mkdir()  local
156 	dentry = kern_path_create(AT_FDCWD, name, &path, LOOKUP_DIRECTORY);  in dev_mkdir()
157 	if (IS_ERR(dentry))  in dev_mkdir()
158 		return PTR_ERR(dentry);  in dev_mkdir()
160 	err = vfs_mkdir(d_inode(path.dentry), dentry, mode);  in dev_mkdir()
163 		d_inode(dentry)->i_private = &thread;  in dev_mkdir()
164 	done_path_create(&path, dentry);  in dev_mkdir()
198 	struct dentry *dentry;  in handle_create()  local
202 	dentry = kern_path_create(AT_FDCWD, nodename, &path, 0);  in handle_create()
203 	if (dentry == ERR_PTR(-ENOENT)) {  in handle_create()
205 		dentry = kern_path_create(AT_FDCWD, nodename, &path, 0);  in handle_create()
207 	if (IS_ERR(dentry))  in handle_create()
208 		return PTR_ERR(dentry);  in handle_create()
210 	err = vfs_mknod(d_inode(path.dentry), dentry, mode, dev->devt);  in handle_create()
218 		mutex_lock(&d_inode(dentry)->i_mutex);  in handle_create()
219 		notify_change(dentry, &newattrs, NULL);  in handle_create()
220 		mutex_unlock(&d_inode(dentry)->i_mutex);  in handle_create()
223 		d_inode(dentry)->i_private = &thread;  in handle_create()
225 	done_path_create(&path, dentry);  in handle_create()
232 	struct dentry *dentry;  in dev_rmdir()  local
235 	dentry = kern_path_locked(name, &parent);  in dev_rmdir()
236 	if (IS_ERR(dentry))  in dev_rmdir()
237 		return PTR_ERR(dentry);  in dev_rmdir()
238 	if (d_really_is_positive(dentry)) {  in dev_rmdir()
239 		if (d_inode(dentry)->i_private == &thread)  in dev_rmdir()
240 			err = vfs_rmdir(d_inode(parent.dentry), dentry);  in dev_rmdir()
246 	dput(dentry);  in dev_rmdir()
247 	mutex_unlock(&d_inode(parent.dentry)->i_mutex);  in dev_rmdir()
301 	struct dentry *dentry;  in handle_remove()  local
305 	dentry = kern_path_locked(nodename, &parent);  in handle_remove()
306 	if (IS_ERR(dentry))  in handle_remove()
307 		return PTR_ERR(dentry);  in handle_remove()
309 	if (d_really_is_positive(dentry)) {  in handle_remove()
311 		struct path p = {.mnt = parent.mnt, .dentry = dentry};  in handle_remove()
313 		if (!err && dev_mynode(dev, d_inode(dentry), &stat)) {  in handle_remove()
324 			mutex_lock(&d_inode(dentry)->i_mutex);  in handle_remove()
325 			notify_change(dentry, &newattrs, NULL);  in handle_remove()
326 			mutex_unlock(&d_inode(dentry)->i_mutex);  in handle_remove()
327 			err = vfs_unlink(d_inode(parent.dentry), dentry, NULL);  in handle_remove()
334 	dput(dentry);  in handle_remove()
335 	mutex_unlock(&d_inode(parent.dentry)->i_mutex);  in handle_remove()