66 long vfs_truncate(struct path *path, loff_t length)  in vfs_truncate()  argument
71 	inode = path->dentry->d_inode;  in vfs_truncate()
79 	error = mnt_want_write(path->mnt);  in vfs_truncate()
105 		error = security_path_truncate(path);  in vfs_truncate()
107 		error = do_truncate(path->dentry, length, 0, NULL);  in vfs_truncate()
112 	mnt_drop_write(path->mnt);  in vfs_truncate()
121 	struct path path;  in do_sys_truncate()  local
128 	error = user_path_at(AT_FDCWD, pathname, lookup_flags, &path);  in do_sys_truncate()
130 		error = vfs_truncate(&path, length);  in do_sys_truncate()
131 		path_put(&path);  in do_sys_truncate()
140 SYSCALL_DEFINE2(truncate, const char __user *, path, long, length)  in SYSCALL_DEFINE2()  argument
142 	return do_sys_truncate(path, length);  in SYSCALL_DEFINE2()
146 COMPAT_SYSCALL_DEFINE2(truncate, const char __user *, path, compat_off_t, length)  in COMPAT_SYSCALL_DEFINE2()  argument
148 	return do_sys_truncate(path, length);  in COMPAT_SYSCALL_DEFINE2()
213 SYSCALL_DEFINE2(truncate64, const char __user *, path, loff_t, length)  in SYSCALL_DEFINE2()  argument
215 	return do_sys_truncate(path, length);  in SYSCALL_DEFINE2()
339 	struct path path;  in SYSCALL_DEFINE3()  local
366 	res = user_path_at(dfd, filename, lookup_flags, &path);  in SYSCALL_DEFINE3()
370 	inode = path.dentry->d_inode;  in SYSCALL_DEFINE3()
378 		if (path.mnt->mnt_flags & MNT_NOEXEC)  in SYSCALL_DEFINE3()
396 	if (__mnt_is_readonly(path.mnt))  in SYSCALL_DEFINE3()
400 	path_put(&path);  in SYSCALL_DEFINE3()
418 	struct path path;  in SYSCALL_DEFINE1()  local
422 	error = user_path_at(AT_FDCWD, filename, lookup_flags, &path);  in SYSCALL_DEFINE1()
426 	error = inode_permission(path.dentry->d_inode, MAY_EXEC | MAY_CHDIR);  in SYSCALL_DEFINE1()
430 	set_fs_pwd(current->fs, &path);  in SYSCALL_DEFINE1()
433 	path_put(&path);  in SYSCALL_DEFINE1()
469 	struct path path;  in SYSCALL_DEFINE1()  local
473 	error = user_path_at(AT_FDCWD, filename, lookup_flags, &path);  in SYSCALL_DEFINE1()
477 	error = inode_permission(path.dentry->d_inode, MAY_EXEC | MAY_CHDIR);  in SYSCALL_DEFINE1()
484 	error = security_path_chroot(&path);  in SYSCALL_DEFINE1()
488 	set_fs_root(current->fs, &path);  in SYSCALL_DEFINE1()
491 	path_put(&path);  in SYSCALL_DEFINE1()
500 static int chmod_common(struct path *path, umode_t mode)  in chmod_common()  argument
502 	struct inode *inode = path->dentry->d_inode;  in chmod_common()
507 	error = mnt_want_write(path->mnt);  in chmod_common()
512 	error = security_path_chmod(path, mode);  in chmod_common()
517 	error = notify_change(path->dentry, &newattrs, &delegated_inode);  in chmod_common()
525 	mnt_drop_write(path->mnt);  in chmod_common()
544 	struct path path;  in SYSCALL_DEFINE3()  local
548 	error = user_path_at(dfd, filename, lookup_flags, &path);  in SYSCALL_DEFINE3()
550 		error = chmod_common(&path, mode);  in SYSCALL_DEFINE3()
551 		path_put(&path);  in SYSCALL_DEFINE3()
565 static int chown_common(struct path *path, uid_t user, gid_t group)  in chown_common()  argument
567 	struct inode *inode = path->dentry->d_inode;  in chown_common()
595 	error = security_path_chown(path, uid, gid);  in chown_common()
597 		error = notify_change(path->dentry, &newattrs, &delegated_inode);  in chown_common()
610 	struct path path;  in SYSCALL_DEFINE5()  local
621 	error = user_path_at(dfd, filename, lookup_flags, &path);  in SYSCALL_DEFINE5()
624 	error = mnt_want_write(path.mnt);  in SYSCALL_DEFINE5()
627 	error = chown_common(&path, user, group);  in SYSCALL_DEFINE5()
628 	mnt_drop_write(path.mnt);  in SYSCALL_DEFINE5()
630 	path_put(&path);  in SYSCALL_DEFINE5()
832 int vfs_open(const struct path *path, struct file *file,  in vfs_open()  argument
835 	struct dentry *dentry = path->dentry;  in vfs_open()
838 	file->f_path = *path;  in vfs_open()
848 struct file *dentry_open(const struct path *path, int flags,  in dentry_open()  argument
857 	BUG_ON(!path->mnt);  in dentry_open()
862 		error = vfs_open(path, f, cred);  in dentry_open()