1 // SPDX-License-Identifier: GPL-2.0
24 	struct inode *inode = path->dentry->d_inode;  in vfs_utimes()
30 			return -EINVAL;  in vfs_utimes()
36 	error = mnt_want_write(path->mnt);  in vfs_utimes()
66 	error = notify_change(mnt_idmap(path->mnt), path->dentry, &newattrs,  in vfs_utimes()
75 	mnt_drop_write(path->mnt);  in vfs_utimes()
87 		return -EINVAL;  in do_utimes_path()
115 		return -EINVAL;  in do_utimes_fd()
119 		return -EBADF;  in do_utimes_fd()
120 	error = vfs_utimes(&f.file->f_path, times);  in do_utimes_fd()
126  * do_utimes - change times on filename or file descriptor
127  * @dfd: open file descriptor, -1 or AT_FDCWD
136  * If times==NULL, set access and modification to current time,
156 			return -EFAULT;  in SYSCALL_DEFINE4()
182 			return -EFAULT;  in do_futimesat()
191 			return -EINVAL;  in do_futimesat()
217 	struct timespec64 tv[2];  in SYSCALL_DEFINE2()  local
220 		if (get_user(tv[0].tv_sec, &times->actime) ||  in SYSCALL_DEFINE2()
221 		    get_user(tv[1].tv_sec, &times->modtime))  in SYSCALL_DEFINE2()
222 			return -EFAULT;  in SYSCALL_DEFINE2()
223 		tv[0].tv_nsec = 0;  in SYSCALL_DEFINE2()
224 		tv[1].tv_nsec = 0;  in SYSCALL_DEFINE2()
226 	return do_utimes(AT_FDCWD, filename, times ? tv : NULL, 0);  in SYSCALL_DEFINE2()
239 	struct timespec64 tv[2];  in SYSCALL_DEFINE2()  local
242 		if (get_user(tv[0].tv_sec, &t->actime) ||  in SYSCALL_DEFINE2()
243 		    get_user(tv[1].tv_sec, &t->modtime))  in SYSCALL_DEFINE2()
244 			return -EFAULT;  in SYSCALL_DEFINE2()
245 		tv[0].tv_nsec = 0;  in SYSCALL_DEFINE2()
246 		tv[1].tv_nsec = 0;  in SYSCALL_DEFINE2()
248 	return do_utimes(AT_FDCWD, filename, t ? tv : NULL, 0);  in SYSCALL_DEFINE2()
254 	struct timespec64 tv[2];  in SYSCALL_DEFINE4()  local
257 		if (get_old_timespec32(&tv[0], &t[0]) ||  in SYSCALL_DEFINE4()
258 		    get_old_timespec32(&tv[1], &t[1]))  in SYSCALL_DEFINE4()
259 			return -EFAULT;  in SYSCALL_DEFINE4()
261 		if (tv[0].tv_nsec == UTIME_OMIT && tv[1].tv_nsec == UTIME_OMIT)  in SYSCALL_DEFINE4()
264 	return do_utimes(dfd, filename, t ? tv : NULL, flags);  in SYSCALL_DEFINE4()
271 	struct timespec64 tv[2];  in do_compat_futimesat()  local
274 		if (get_user(tv[0].tv_sec, &t[0].tv_sec) ||  in do_compat_futimesat()
275 		    get_user(tv[0].tv_nsec, &t[0].tv_usec) ||  in do_compat_futimesat()
276 		    get_user(tv[1].tv_sec, &t[1].tv_sec) ||  in do_compat_futimesat()
277 		    get_user(tv[1].tv_nsec, &t[1].tv_usec))  in do_compat_futimesat()
278 			return -EFAULT;  in do_compat_futimesat()
279 		if (tv[0].tv_nsec >= 1000000 || tv[0].tv_nsec < 0 ||  in do_compat_futimesat()
280 		    tv[1].tv_nsec >= 1000000 || tv[1].tv_nsec < 0)  in do_compat_futimesat()
281 			return -EINVAL;  in do_compat_futimesat()
282 		tv[0].tv_nsec *= 1000;  in do_compat_futimesat()
283 		tv[1].tv_nsec *= 1000;  in do_compat_futimesat()
285 	return do_utimes(dfd, filename, t ? tv : NULL, 0);  in do_compat_futimesat()