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exfat: replace 'time_ms' with 'time_cs' 

Replace time_ms  with time_cs in the file directory entry structure
and related functions.

The unit of create_time_ms/modify_time_ms in File Directory Entry are not
'milli-second', but 'centi-second'.
The exfat specification uses the term '10ms', but instead use 'cs' as in
msdos_fs.h.

Signed-off-by: Tetsuhiro Kohada <kohada.t2@gmail.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
This commit is contained in:
Tetsuhiro Kohada 2020-04-22 08:30:56 +09:00 коммит произвёл Namjae Jeon
Родитель cdc06129a6
Коммит ed0f84d30b
7 изменённых файлов: 22 добавлений и 22 удалений
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8
fs/exfat/dir.c
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@ -137,12 +137,12 @@ static int exfat_readdir(struct inode *inode, struct exfat_dir_entry *dir_entry)
ep->dentry.file.create_tz,
ep->dentry.file.create_time,
ep->dentry.file.create_date,
ep->dentry.file.create_time_ms);
ep->dentry.file.create_time_cs);
exfat_get_entry_time(sbi, &dir_entry->mtime,
ep->dentry.file.modify_tz,
ep->dentry.file.modify_time,
ep->dentry.file.modify_date,
ep->dentry.file.modify_time_ms);
ep->dentry.file.modify_time_cs);
exfat_get_entry_time(sbi, &dir_entry->atime,
ep->dentry.file.access_tz,
ep->dentry.file.access_time,
@ -461,12 +461,12 @@ int exfat_init_dir_entry(struct inode *inode, struct exfat_chain *p_dir,
&ep->dentry.file.create_tz,
&ep->dentry.file.create_time,
&ep->dentry.file.create_date,
&ep->dentry.file.create_time_ms);
&ep->dentry.file.create_time_cs);
exfat_set_entry_time(sbi, &ts,
&ep->dentry.file.modify_tz,
&ep->dentry.file.modify_time,
&ep->dentry.file.modify_date,
&ep->dentry.file.modify_time_ms);
&ep->dentry.file.modify_time_cs);
exfat_set_entry_time(sbi, &ts,
&ep->dentry.file.access_tz,
&ep->dentry.file.access_time,

4
fs/exfat/exfat_fs.h
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@ -511,10 +511,10 @@ void exfat_msg(struct super_block *sb, const char *lv, const char *fmt, ...)
exfat_msg(sb, KERN_INFO, fmt, ##__VA_ARGS__)
void exfat_get_entry_time(struct exfat_sb_info *sbi, struct timespec64 *ts,
u8 tz, __le16 time, __le16 date, u8 time_ms);
u8 tz, __le16 time, __le16 date, u8 time_cs);
void exfat_truncate_atime(struct timespec64 *ts);
void exfat_set_entry_time(struct exfat_sb_info *sbi, struct timespec64 *ts,
u8 *tz, __le16 *time, __le16 *date, u8 *time_ms);
u8 *tz, __le16 *time, __le16 *date, u8 *time_cs);
unsigned short exfat_calc_chksum_2byte(void *data, int len,
unsigned short chksum, int type);
void exfat_update_bh(struct super_block *sb, struct buffer_head *bh, int sync);

4
fs/exfat/exfat_raw.h
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@ -136,8 +136,8 @@ struct exfat_dentry {
__le16 modify_date;
__le16 access_time;
__le16 access_date;
__u8 create_time_ms;
__u8 modify_time_ms;
__u8 create_time_cs;
__u8 modify_time_cs;
__u8 create_tz;
__u8 modify_tz;
__u8 access_tz;

2
fs/exfat/file.c
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@ -165,7 +165,7 @@ int __exfat_truncate(struct inode *inode, loff_t new_size)
&ep->dentry.file.modify_tz,
&ep->dentry.file.modify_time,
&ep->dentry.file.modify_date,
&ep->dentry.file.modify_time_ms);
&ep->dentry.file.modify_time_cs);
ep->dentry.file.attr = cpu_to_le16(ei->attr);
/* File size should be zero if there is no cluster allocated */

4
fs/exfat/inode.c
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@ -56,12 +56,12 @@ static int __exfat_write_inode(struct inode *inode, int sync)
&ep->dentry.file.create_tz,
&ep->dentry.file.create_time,
&ep->dentry.file.create_date,
&ep->dentry.file.create_time_ms);
&ep->dentry.file.create_time_cs);
exfat_set_entry_time(sbi, &inode->i_mtime,
&ep->dentry.file.modify_tz,
&ep->dentry.file.modify_time,
&ep->dentry.file.modify_date,
&ep->dentry.file.modify_time_ms);
&ep->dentry.file.modify_time_cs);
exfat_set_entry_time(sbi, &inode->i_atime,
&ep->dentry.file.access_tz,
&ep->dentry.file.access_time,

18
fs/exfat/misc.c
Просмотреть файл

@ -75,7 +75,7 @@ static void exfat_adjust_tz(struct timespec64 *ts, u8 tz_off)
/* Convert a EXFAT time/date pair to a UNIX date (seconds since 1 1 70). */
void exfat_get_entry_time(struct exfat_sb_info *sbi, struct timespec64 *ts,
u8 tz, __le16 time, __le16 date, u8 time_ms)
u8 tz, __le16 time, __le16 date, u8 time_cs)
{
u16 t = le16_to_cpu(time);
u16 d = le16_to_cpu(date);
@ -84,10 +84,10 @@ void exfat_get_entry_time(struct exfat_sb_info *sbi, struct timespec64 *ts,
t >> 11, (t >> 5) & 0x003F, (t & 0x001F) << 1);
/* time_ms field represent 0 ~ 199(1990 ms) */
if (time_ms) {
ts->tv_sec += time_ms / 100;
ts->tv_nsec = (time_ms % 100) * 10 * NSEC_PER_MSEC;
/* time_cs field represent 0 ~ 199cs(1990 ms) */
if (time_cs) {
ts->tv_sec += time_cs / 100;
ts->tv_nsec = (time_cs % 100) * 10 * NSEC_PER_MSEC;
} else
ts->tv_nsec = 0;
@ -101,7 +101,7 @@ void exfat_get_entry_time(struct exfat_sb_info *sbi, struct timespec64 *ts,
/* Convert linear UNIX date to a EXFAT time/date pair. */
void exfat_set_entry_time(struct exfat_sb_info *sbi, struct timespec64 *ts,
u8 *tz, __le16 *time, __le16 *date, u8 *time_ms)
u8 *tz, __le16 *time, __le16 *date, u8 *time_cs)
{
struct tm tm;
u16 t, d;
@ -113,9 +113,9 @@ void exfat_set_entry_time(struct exfat_sb_info *sbi, struct timespec64 *ts,
*time = cpu_to_le16(t);
*date = cpu_to_le16(d);
/* time_ms field represent 0 ~ 199(1990 ms) */
if (time_ms)
*time_ms = (tm.tm_sec & 1) * 100 +
/* time_cs field represent 0 ~ 199cs(1990 ms) */
if (time_cs)
*time_cs = (tm.tm_sec & 1) * 100 +
ts->tv_nsec / (10 * NSEC_PER_MSEC);
/*

4
fs/exfat/namei.c
Просмотреть файл

@ -689,12 +689,12 @@ static int exfat_find(struct inode *dir, struct qstr *qname,
ep->dentry.file.create_tz,
ep->dentry.file.create_time,
ep->dentry.file.create_date,
ep->dentry.file.create_time_ms);
ep->dentry.file.create_time_cs);
exfat_get_entry_time(sbi, &info->mtime,
ep->dentry.file.modify_tz,
ep->dentry.file.modify_time,
ep->dentry.file.modify_date,
ep->dentry.file.modify_time_ms);
ep->dentry.file.modify_time_cs);
exfat_get_entry_time(sbi, &info->atime,
ep->dentry.file.access_tz,
ep->dentry.file.access_time,