linux/fs/cifsd/time_wrappers.h
Namjae Jeon 64b39f4a2f cifsd: clean-up codes using chechpatch.pl --strict
Dan Carpenter suggested to run chechpatch.pl --strict on ksmbd to fix
check warnings. This patch does not fix all warnings but only things that
I can understand.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2021-05-10 19:15:29 -05:00

35 lines
861 B
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019 Samsung Electronics Co., Ltd.
*/
#ifndef __KSMBD_TIME_WRAPPERS_H
#define __KSMBD_TIME_WRAPPERS_H
/*
* A bunch of ugly hacks to workaoround all the API differences
* between different kernel versions.
*/
#define NTFS_TIME_OFFSET ((u64)(369 * 365 + 89) * 24 * 3600 * 10000000)
/* Convert the Unix UTC into NT UTC. */
static inline u64 ksmbd_UnixTimeToNT(struct timespec64 t)
{
/* Convert to 100ns intervals and then add the NTFS time offset. */
return (u64)t.tv_sec * 10000000 + t.tv_nsec / 100 + NTFS_TIME_OFFSET;
}
struct timespec64 ksmbd_NTtimeToUnix(__le64 ntutc);
#define KSMBD_TIME_TO_TM time64_to_tm
static inline long long ksmbd_systime(void)
{
struct timespec64 ts;
ktime_get_real_ts64(&ts);
return ksmbd_UnixTimeToNT(ts);
}
#endif /* __KSMBD_TIME_WRAPPERS_H */