linux-master/fs/init.c

19 	struct path path;
22 	ret = kern_path(dir_name, LOOKUP_FOLLOW, &path);
25 	ret = path_mount(dev_name, &path, type_page, flags, data_page);
26 	path_put(&path);
33 	struct path path;
38 	ret = kern_path(name, lookup_flags, &path);
41 	return path_umount(&path, flags);
46 	struct path path;
49 	error = kern_path(filename, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &path);
52 	error = path_permission(&path, MAY_EXEC | MAY_CHDIR);
54 		set_fs_pwd(current->fs, &path);
55 	path_put(&path);
61 	struct path path;
64 	error = kern_path(filename, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &path);
67 	error = path_permission(&path, MAY_EXEC | MAY_CHDIR);
73 	error = security_path_chroot(&path);
76 	set_fs_root(current->fs, &path);
78 	path_put(&path);
85 	struct path path;
88 	error = kern_path(filename, lookup_flags, &path);
91 	error = mnt_want_write(path.mnt);
93 		error = chown_common(&path, user, group);
94 		mnt_drop_write(path.mnt);
96 	path_put(&path);
102 	struct path path;
105 	error = kern_path(filename, LOOKUP_FOLLOW, &path);
108 	error = chmod_common(&path, mode);
109 	path_put(&path);
115 	struct path path;
118 	error = kern_path(filename, LOOKUP_FOLLOW, &path);
121 	error = path_permission(&path, MAY_ACCESS);
122 	path_put(&path);
129 	struct path path;
132 	error = kern_path(filename, lookup_flags, &path);
135 	error = vfs_getattr(&path, stat, STATX_BASIC_STATS,
137 	path_put(&path);
144 	struct path path;
152 	dentry = kern_path_create(AT_FDCWD, filename, &path, 0);
156 	mode = mode_strip_umask(d_inode(path.dentry), mode);
157 	error = security_path_mknod(&path, dentry, mode, dev);
159 		error = vfs_mknod(mnt_idmap(path.mnt), path.dentry->d_inode,
161 	done_path_create(&path, dentry);
168 	struct path old_path, new_path;
203 	struct path path;
206 	dentry = kern_path_create(AT_FDCWD, newname, &path, 0);
209 	error = security_path_symlink(&path, dentry, oldname);
211 		error = vfs_symlink(mnt_idmap(path.mnt), path.dentry->d_inode,
213 	done_path_create(&path, dentry);
225 	struct path path;
228 	dentry = kern_path_create(AT_FDCWD, pathname, &path, LOOKUP_DIRECTORY);
231 	mode = mode_strip_umask(d_inode(path.dentry), mode);
232 	error = security_path_mkdir(&path, dentry, mode);
234 		error = vfs_mkdir(mnt_idmap(path.mnt), path.dentry->d_inode,
236 	done_path_create(&path, dentry);
247 	struct path path;
250 	error = kern_path(filename, 0, &path);
253 	error = vfs_utimes(&path, ts);
254 	path_put(&path);