74 long vfs_truncate(const struct path *path, loff_t length)  in vfs_truncate()  argument
80 	inode = path->dentry->d_inode;  in vfs_truncate()
81 	mnt = path->mnt;  in vfs_truncate()
89 	error = mnt_want_write(path->mnt);  in vfs_truncate()
115 		error = security_path_truncate(path);  in vfs_truncate()
117 		error = do_truncate2(mnt, path->dentry, length, 0, NULL);  in vfs_truncate()
122 	mnt_drop_write(path->mnt);  in vfs_truncate()
131 	struct path path;  in do_sys_truncate()  local
138 	error = user_path_at(AT_FDCWD, pathname, lookup_flags, &path);  in do_sys_truncate()
140 		error = vfs_truncate(&path, length);  in do_sys_truncate()
141 		path_put(&path);  in do_sys_truncate()
150 SYSCALL_DEFINE2(truncate, const char __user *, path, long, length)  in SYSCALL_DEFINE2()  argument
152 	return do_sys_truncate(path, length);  in SYSCALL_DEFINE2()
156 COMPAT_SYSCALL_DEFINE2(truncate, const char __user *, path, compat_off_t, length)  in COMPAT_SYSCALL_DEFINE2()  argument
158 	return do_sys_truncate(path, length);  in COMPAT_SYSCALL_DEFINE2()
226 SYSCALL_DEFINE2(truncate64, const char __user *, path, loff_t, length)  in SYSCALL_DEFINE2()  argument
228 	return do_sys_truncate(path, length);  in SYSCALL_DEFINE2()
361 	struct path path;  in do_faccessat()  local
408 	res = user_path_at(dfd, filename, lookup_flags, &path);  in do_faccessat()
412 	inode = d_backing_inode(path.dentry);  in do_faccessat()
413 	mnt = path.mnt;  in do_faccessat()
421 		if (path_noexec(&path))  in do_faccessat()
439 	if (__mnt_is_readonly(path.mnt))  in do_faccessat()
443 	path_put(&path);  in do_faccessat()
466 	struct path path;  in ksys_chdir()  local
470 	error = user_path_at(AT_FDCWD, filename, lookup_flags, &path);  in ksys_chdir()
474 	error = inode_permission2(path.mnt, path.dentry->d_inode, MAY_EXEC | MAY_CHDIR);  in ksys_chdir()
478 	set_fs_pwd(current->fs, &path);  in ksys_chdir()
481 	path_put(&path);  in ksys_chdir()
520 	struct path path;  in ksys_chroot()  local
524 	error = user_path_at(AT_FDCWD, filename, lookup_flags, &path);  in ksys_chroot()
528 	error = inode_permission2(path.mnt, path.dentry->d_inode, MAY_EXEC | MAY_CHDIR);  in ksys_chroot()
535 	error = security_path_chroot(&path);  in ksys_chroot()
539 	set_fs_root(current->fs, &path);  in ksys_chroot()
542 	path_put(&path);  in ksys_chroot()
556 static int chmod_common(const struct path *path, umode_t mode)  in chmod_common()  argument
558 	struct inode *inode = path->dentry->d_inode;  in chmod_common()
563 	error = mnt_want_write(path->mnt);  in chmod_common()
568 	error = security_path_chmod(path, mode);  in chmod_common()
573 	error = notify_change2(path->mnt, path->dentry, &newattrs, &delegated_inode);  in chmod_common()
581 	mnt_drop_write(path->mnt);  in chmod_common()
605 	struct path path;  in do_fchmodat()  local
609 	error = user_path_at(dfd, filename, lookup_flags, &path);  in do_fchmodat()
611 		error = chmod_common(&path, mode);  in do_fchmodat()
612 		path_put(&path);  in do_fchmodat()
632 static int chown_common(const struct path *path, uid_t user, gid_t group)  in chown_common()  argument
634 	struct inode *inode = path->dentry->d_inode;  in chown_common()
662 	error = security_path_chown(path, uid, gid);  in chown_common()
664 		error = notify_change2(path->mnt, path->dentry, &newattrs, &delegated_inode);  in chown_common()
677 	struct path path;  in do_fchownat()  local
688 	error = user_path_at(dfd, filename, lookup_flags, &path);  in do_fchownat()
691 	error = mnt_want_write(path.mnt);  in do_fchownat()
694 	error = chown_common(&path, user, group);  in do_fchownat()
695 	mnt_drop_write(path.mnt);  in do_fchownat()
697 	path_put(&path);  in do_fchownat()
923 int vfs_open(const struct path *path, struct file *file)  in vfs_open()  argument
925 	file->f_path = *path;  in vfs_open()
926 	return do_dentry_open(file, d_backing_inode(path->dentry), NULL);  in vfs_open()
929 struct file *dentry_open(const struct path *path, int flags,  in dentry_open()  argument
938 	BUG_ON(!path->mnt);  in dentry_open()
942 		error = vfs_open(path, f);  in dentry_open()
952 struct file *open_with_fake_path(const struct path *path, int flags,  in open_with_fake_path()  argument
959 		f->f_path = *path;  in open_with_fake_path()