Use timestamp_t for everything and cleanup duplicate code. Signed-off-by: Valentin Vidic <vvidic@xxxxxxxxxxxxxxxxxxxxxx> --- drivers/staging/exfat/exfat.h | 35 +++--- drivers/staging/exfat/exfat_super.c | 158 ++++++++-------------------- 2 files changed, 55 insertions(+), 138 deletions(-) diff --git a/drivers/staging/exfat/exfat.h b/drivers/staging/exfat/exfat.h index 0aa14dea4e09..58e1e889779f 100644 --- a/drivers/staging/exfat/exfat.h +++ b/drivers/staging/exfat/exfat.h @@ -241,16 +241,6 @@ static inline u16 get_row_index(u16 i) #define UNI_PAR_DIR_NAME "\0.\0." #endif -struct date_time_t { - u16 Year; - u16 Month; - u16 Day; - u16 Hour; - u16 Minute; - u16 Second; - u16 MilliSecond; -}; - struct part_info_t { u32 Offset; /* start sector number of the partition */ u32 Size; /* in sectors */ @@ -289,6 +279,16 @@ struct file_id_t { u32 hint_last_clu; }; +struct timestamp_t { + u16 millisec; /* 0 ~ 999 */ + u16 sec; /* 0 ~ 59 */ + u16 min; /* 0 ~ 59 */ + u16 hour; /* 0 ~ 23 */ + u16 day; /* 1 ~ 31 */ + u16 mon; /* 1 ~ 12 */ + u16 year; /* 0 ~ 127 (since 1980) */ +}; + struct dir_entry_t { char Name[MAX_NAME_LENGTH * MAX_CHARSET_SIZE]; @@ -298,18 +298,9 @@ struct dir_entry_t { u32 Attr; u64 Size; u32 NumSubdirs; - struct date_time_t CreateTimestamp; - struct date_time_t ModifyTimestamp; - struct date_time_t AccessTimestamp; -}; - -struct timestamp_t { - u16 sec; /* 0 ~ 59 */ - u16 min; /* 0 ~ 59 */ - u16 hour; /* 0 ~ 23 */ - u16 day; /* 1 ~ 31 */ - u16 mon; /* 1 ~ 12 */ - u16 year; /* 0 ~ 127 (since 1980) */ + struct timestamp_t CreateTimestamp; + struct timestamp_t ModifyTimestamp; + struct timestamp_t AccessTimestamp; }; /* MS_DOS FAT partition boot record (512 bytes) */ diff --git a/drivers/staging/exfat/exfat_super.c b/drivers/staging/exfat/exfat_super.c index 3a58907caf7c..54b6c2ff3c96 100644 --- a/drivers/staging/exfat/exfat_super.c +++ b/drivers/staging/exfat/exfat_super.c @@ -56,16 +56,16 @@ static void exfat_write_super(struct super_block *sb); #define UNIX_SECS_2108 4354819200L /* Convert a FAT time/date pair to a UNIX date (seconds since 1 1 70). */ -static void exfat_time_fat2unix(struct timespec64 *ts, struct date_time_t *tp) +static void exfat_time_fat2unix(struct timespec64 *ts, struct timestamp_t *tp) { - ts->tv_sec = mktime64(tp->Year + 1980, tp->Month + 1, tp->Day, - tp->Hour, tp->Minute, tp->Second); + ts->tv_sec = mktime64(tp->year + 1980, tp->mon + 1, tp->day, + tp->hour, tp->min, tp->sec); - ts->tv_nsec = tp->MilliSecond * NSEC_PER_MSEC; + ts->tv_nsec = tp->millisec * NSEC_PER_MSEC; } /* Convert linear UNIX date to a FAT time/date pair. */ -static void exfat_time_unix2fat(struct timespec64 *ts, struct date_time_t *tp) +static void exfat_time_unix2fat(struct timespec64 *ts, struct timestamp_t *tp) { time64_t second = ts->tv_sec; struct tm tm; @@ -73,69 +73,42 @@ static void exfat_time_unix2fat(struct timespec64 *ts, struct date_time_t *tp) time64_to_tm(second, 0, &tm); if (second < UNIX_SECS_1980) { - tp->MilliSecond = 0; - tp->Second = 0; - tp->Minute = 0; - tp->Hour = 0; - tp->Day = 1; - tp->Month = 1; - tp->Year = 0; + tp->millisec = 0; + tp->sec = 0; + tp->min = 0; + tp->hour = 0; + tp->day = 1; + tp->mon = 1; + tp->year = 0; return; } if (second >= UNIX_SECS_2108) { - tp->MilliSecond = 999; - tp->Second = 59; - tp->Minute = 59; - tp->Hour = 23; - tp->Day = 31; - tp->Month = 12; - tp->Year = 127; + tp->millisec = 999; + tp->sec = 59; + tp->min = 59; + tp->hour = 23; + tp->day = 31; + tp->mon = 12; + tp->year = 127; return; } - tp->MilliSecond = ts->tv_nsec / NSEC_PER_MSEC; - tp->Second = tm.tm_sec; - tp->Minute = tm.tm_min; - tp->Hour = tm.tm_hour; - tp->Day = tm.tm_mday; - tp->Month = tm.tm_mon + 1; - tp->Year = tm.tm_year + 1900 - 1980; + tp->millisec = ts->tv_nsec / NSEC_PER_MSEC; + tp->sec = tm.tm_sec; + tp->min = tm.tm_min; + tp->hour = tm.tm_hour; + tp->day = tm.tm_mday; + tp->mon = tm.tm_mon + 1; + tp->year = tm.tm_year + 1900 - 1980; } struct timestamp_t *tm_current(struct timestamp_t *tp) { - time64_t second = ktime_get_real_seconds(); - struct tm tm; - - time64_to_tm(second, 0, &tm); - - if (second < UNIX_SECS_1980) { - tp->sec = 0; - tp->min = 0; - tp->hour = 0; - tp->day = 1; - tp->mon = 1; - tp->year = 0; - return tp; - } + struct timespec64 ts; - if (second >= UNIX_SECS_2108) { - tp->sec = 59; - tp->min = 59; - tp->hour = 23; - tp->day = 31; - tp->mon = 12; - tp->year = 127; - return tp; - } - - tp->sec = tm.tm_sec; - tp->min = tm.tm_min; - tp->hour = tm.tm_hour; - tp->day = tm.tm_mday; - tp->mon = tm.tm_mon + 1; - tp->year = tm.tm_year + 1900 - 1980; + ktime_get_real_ts64(&ts); + exfat_time_unix2fat(&ts, tp); return tp; } @@ -1500,7 +1473,6 @@ static int ffsReadStat(struct inode *inode, struct dir_entry_t *info) int ret = FFS_SUCCESS; struct chain_t dir; struct uni_name_t uni_name; - struct timestamp_t tm; struct dentry_t *ep, *ep2; struct super_block *sb = inode->i_sb; struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info); @@ -1518,11 +1490,11 @@ static int ffsReadStat(struct inode *inode, struct dir_entry_t *info) (fid->entry == -1)) { info->Attr = ATTR_SUBDIR; memset((char *)&info->CreateTimestamp, 0, - sizeof(struct date_time_t)); + sizeof(struct timestamp_t)); memset((char *)&info->ModifyTimestamp, 0, - sizeof(struct date_time_t)); + sizeof(struct timestamp_t)); memset((char *)&info->AccessTimestamp, 0, - sizeof(struct date_time_t)); + sizeof(struct timestamp_t)); strcpy(info->ShortName, "."); strcpy(info->Name, "."); @@ -1573,25 +1545,9 @@ static int ffsReadStat(struct inode *inode, struct dir_entry_t *info) /* set FILE_INFO structure using the acquired struct dentry_t */ info->Attr = p_fs->fs_func->get_entry_attr(ep); - p_fs->fs_func->get_entry_time(ep, &tm, TM_CREATE); - info->CreateTimestamp.Year = tm.year; - info->CreateTimestamp.Month = tm.mon; - info->CreateTimestamp.Day = tm.day; - info->CreateTimestamp.Hour = tm.hour; - info->CreateTimestamp.Minute = tm.min; - info->CreateTimestamp.Second = tm.sec; - info->CreateTimestamp.MilliSecond = 0; - - p_fs->fs_func->get_entry_time(ep, &tm, TM_MODIFY); - info->ModifyTimestamp.Year = tm.year; - info->ModifyTimestamp.Month = tm.mon; - info->ModifyTimestamp.Day = tm.day; - info->ModifyTimestamp.Hour = tm.hour; - info->ModifyTimestamp.Minute = tm.min; - info->ModifyTimestamp.Second = tm.sec; - info->ModifyTimestamp.MilliSecond = 0; - - memset((char *) &info->AccessTimestamp, 0, sizeof(struct date_time_t)); + p_fs->fs_func->get_entry_time(ep, &info->CreateTimestamp, TM_CREATE); + p_fs->fs_func->get_entry_time(ep, &info->ModifyTimestamp, TM_MODIFY); + memset((char *)&info->AccessTimestamp, 0, sizeof(struct timestamp_t)); *(uni_name.name) = 0x0; /* XXX this is very bad for exfat cuz name is already included in es. @@ -1650,7 +1606,6 @@ static int ffsWriteStat(struct inode *inode, struct dir_entry_t *info) { sector_t sector = 0; int ret = FFS_SUCCESS; - struct timestamp_t tm; struct dentry_t *ep, *ep2; struct entry_set_cache_t *es = NULL; struct super_block *sb = inode->i_sb; @@ -1697,22 +1652,8 @@ static int ffsWriteStat(struct inode *inode, struct dir_entry_t *info) p_fs->fs_func->set_entry_attr(ep, info->Attr); /* set FILE_INFO structure using the acquired struct dentry_t */ - tm.sec = info->CreateTimestamp.Second; - tm.min = info->CreateTimestamp.Minute; - tm.hour = info->CreateTimestamp.Hour; - tm.day = info->CreateTimestamp.Day; - tm.mon = info->CreateTimestamp.Month; - tm.year = info->CreateTimestamp.Year; - p_fs->fs_func->set_entry_time(ep, &tm, TM_CREATE); - - tm.sec = info->ModifyTimestamp.Second; - tm.min = info->ModifyTimestamp.Minute; - tm.hour = info->ModifyTimestamp.Hour; - tm.day = info->ModifyTimestamp.Day; - tm.mon = info->ModifyTimestamp.Month; - tm.year = info->ModifyTimestamp.Year; - p_fs->fs_func->set_entry_time(ep, &tm, TM_MODIFY); - + p_fs->fs_func->set_entry_time(ep, &info->CreateTimestamp, TM_CREATE); + p_fs->fs_func->set_entry_time(ep, &info->ModifyTimestamp, TM_MODIFY); p_fs->fs_func->set_entry_size(ep2, info->Size); if (p_fs->vol_type != EXFAT) { @@ -1939,7 +1880,6 @@ static int ffsReadDir(struct inode *inode, struct dir_entry_t *dir_entry) sector_t sector; struct chain_t dir, clu; struct uni_name_t uni_name; - struct timestamp_t tm; struct dentry_t *ep; struct super_block *sb = inode->i_sb; struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info); @@ -2036,26 +1976,12 @@ static int ffsReadDir(struct inode *inode, struct dir_entry_t *dir_entry) buf_lock(sb, sector); dir_entry->Attr = fs_func->get_entry_attr(ep); - fs_func->get_entry_time(ep, &tm, TM_CREATE); - dir_entry->CreateTimestamp.Year = tm.year; - dir_entry->CreateTimestamp.Month = tm.mon; - dir_entry->CreateTimestamp.Day = tm.day; - dir_entry->CreateTimestamp.Hour = tm.hour; - dir_entry->CreateTimestamp.Minute = tm.min; - dir_entry->CreateTimestamp.Second = tm.sec; - dir_entry->CreateTimestamp.MilliSecond = 0; - - fs_func->get_entry_time(ep, &tm, TM_MODIFY); - dir_entry->ModifyTimestamp.Year = tm.year; - dir_entry->ModifyTimestamp.Month = tm.mon; - dir_entry->ModifyTimestamp.Day = tm.day; - dir_entry->ModifyTimestamp.Hour = tm.hour; - dir_entry->ModifyTimestamp.Minute = tm.min; - dir_entry->ModifyTimestamp.Second = tm.sec; - dir_entry->ModifyTimestamp.MilliSecond = 0; - + fs_func->get_entry_time(ep, &dir_entry->CreateTimestamp, + TM_CREATE); + fs_func->get_entry_time(ep, &dir_entry->ModifyTimestamp, + TM_MODIFY); memset((char *)&dir_entry->AccessTimestamp, 0, - sizeof(struct date_time_t)); + sizeof(struct timestamp_t)); *(uni_name.name) = 0x0; fs_func->get_uni_name_from_ext_entry(sb, &dir, dentry, -- 2.20.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel