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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-04-27 09:34:55 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-04-27 09:34:55 +0200
commit96fa72ffb2155dba9ba8c5d282a1ff19ed32f177 (patch)
tree97e3dad8795e54405d450315363d7006bc2c2e35 /fs/exfat/misc.c
parentfbc35b45f9f6a971341b9462c6e94c257e779fb5 (diff)
parent6a8b55ed4056ea5559ebe4f6a4b247f627870d4c (diff)
Merge 5.7-rc3 into driver-core-next
We need the driver core fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/exfat/misc.c')
-rw-r--r--fs/exfat/misc.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/exfat/misc.c b/fs/exfat/misc.c
index 14a3300848f6..ebd2cbe3cbc1 100644
--- a/fs/exfat/misc.c
+++ b/fs/exfat/misc.c
@@ -88,7 +88,8 @@ void exfat_get_entry_time(struct exfat_sb_info *sbi, struct timespec64 *ts,
if (time_ms) {
ts->tv_sec += time_ms / 100;
ts->tv_nsec = (time_ms % 100) * 10 * NSEC_PER_MSEC;
- }
+ } else
+ ts->tv_nsec = 0;
if (tz & EXFAT_TZ_VALID)
/* Adjust timezone to UTC0. */
@@ -124,6 +125,17 @@ void exfat_set_entry_time(struct exfat_sb_info *sbi, struct timespec64 *ts,
*tz = EXFAT_TZ_VALID;
}
+/*
+ * The timestamp for access_time has double seconds granularity.
+ * (There is no 10msIncrement field for access_time unlike create/modify_time)
+ * atime also has only a 2-second resolution.
+ */
+void exfat_truncate_atime(struct timespec64 *ts)
+{
+ ts->tv_sec = round_down(ts->tv_sec, 2);
+ ts->tv_nsec = 0;
+}
+
unsigned short exfat_calc_chksum_2byte(void *data, int len,
unsigned short chksum, int type)
{