68 long vfs_truncate(struct path *path, loff_t length)  in vfs_truncate()  argument
73 	inode = path->dentry->d_inode;  in vfs_truncate()
81 	error = mnt_want_write(path->mnt);  in vfs_truncate()
107 		error = security_path_truncate(path);  in vfs_truncate()
109 		error = do_truncate(path->dentry, length, 0, NULL);  in vfs_truncate()
114 	mnt_drop_write(path->mnt);  in vfs_truncate()
123 	struct path path;  in do_sys_truncate()  local
130 	error = user_path_at(AT_FDCWD, pathname, lookup_flags, &path);  in do_sys_truncate()
132 		error = vfs_truncate(&path, length);  in do_sys_truncate()
133 		path_put(&path);  in do_sys_truncate()
142 SYSCALL_DEFINE2(truncate, const char __user *, path, long, length)  in SYSCALL_DEFINE2()  argument
144 	return do_sys_truncate(path, length);  in SYSCALL_DEFINE2()
148 COMPAT_SYSCALL_DEFINE2(truncate, const char __user *, path, compat_off_t, length)  in COMPAT_SYSCALL_DEFINE2()  argument
150 	return do_sys_truncate(path, length);  in COMPAT_SYSCALL_DEFINE2()
215 SYSCALL_DEFINE2(truncate64, const char __user *, path, loff_t, length)  in SYSCALL_DEFINE2()  argument
217 	return do_sys_truncate(path, length);  in SYSCALL_DEFINE2()
341 	struct path path;  in SYSCALL_DEFINE3()  local
368 	res = user_path_at(dfd, filename, lookup_flags, &path);  in SYSCALL_DEFINE3()
372 	inode = d_backing_inode(path.dentry);  in SYSCALL_DEFINE3()
380 		if (path_noexec(&path))  in SYSCALL_DEFINE3()
398 	if (__mnt_is_readonly(path.mnt))  in SYSCALL_DEFINE3()
402 	path_put(&path);  in SYSCALL_DEFINE3()
420 	struct path path;  in SYSCALL_DEFINE1()  local
424 	error = user_path_at(AT_FDCWD, filename, lookup_flags, &path);  in SYSCALL_DEFINE1()
428 	error = inode_permission(path.dentry->d_inode, MAY_EXEC | MAY_CHDIR);  in SYSCALL_DEFINE1()
432 	set_fs_pwd(current->fs, &path);  in SYSCALL_DEFINE1()
435 	path_put(&path);  in SYSCALL_DEFINE1()
471 	struct path path;  in SYSCALL_DEFINE1()  local
475 	error = user_path_at(AT_FDCWD, filename, lookup_flags, &path);  in SYSCALL_DEFINE1()
479 	error = inode_permission(path.dentry->d_inode, MAY_EXEC | MAY_CHDIR);  in SYSCALL_DEFINE1()
486 	error = security_path_chroot(&path);  in SYSCALL_DEFINE1()
490 	set_fs_root(current->fs, &path);  in SYSCALL_DEFINE1()
493 	path_put(&path);  in SYSCALL_DEFINE1()
502 static int chmod_common(struct path *path, umode_t mode)  in chmod_common()  argument
504 	struct inode *inode = path->dentry->d_inode;  in chmod_common()
509 	error = mnt_want_write(path->mnt);  in chmod_common()
514 	error = security_path_chmod(path, mode);  in chmod_common()
519 	error = notify_change(path->dentry, &newattrs, &delegated_inode);  in chmod_common()
527 	mnt_drop_write(path->mnt);  in chmod_common()
546 	struct path path;  in SYSCALL_DEFINE3()  local
550 	error = user_path_at(dfd, filename, lookup_flags, &path);  in SYSCALL_DEFINE3()
552 		error = chmod_common(&path, mode);  in SYSCALL_DEFINE3()
553 		path_put(&path);  in SYSCALL_DEFINE3()
567 static int chown_common(struct path *path, uid_t user, gid_t group)  in chown_common()  argument
569 	struct inode *inode = path->dentry->d_inode;  in chown_common()
597 	error = security_path_chown(path, uid, gid);  in chown_common()
599 		error = notify_change(path->dentry, &newattrs, &delegated_inode);  in chown_common()
612 	struct path path;  in SYSCALL_DEFINE5()  local
623 	error = user_path_at(dfd, filename, lookup_flags, &path);  in SYSCALL_DEFINE5()
626 	error = mnt_want_write(path.mnt);  in SYSCALL_DEFINE5()
629 	error = chown_common(&path, user, group);  in SYSCALL_DEFINE5()
630 	mnt_drop_write(path.mnt);  in SYSCALL_DEFINE5()
632 	path_put(&path);  in SYSCALL_DEFINE5()
840 int vfs_open(const struct path *path, struct file *file,  in vfs_open()  argument
843 	struct inode *inode = vfs_select_inode(path->dentry, file->f_flags);  in vfs_open()
848 	file->f_path = *path;  in vfs_open()
852 struct file *dentry_open(const struct path *path, int flags,  in dentry_open()  argument
861 	BUG_ON(!path->mnt);  in dentry_open()
866 		error = vfs_open(path, f, cred);  in dentry_open()