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SubjectRe: [PATCH 12/20] fs: fat: Initialize filesystem timestamp ranges
Date
Deepa Dinamani <deepa.kernel@gmail.com> writes:

>> At least, it is wrong to call fat_time_fat2unix() before setup parameters
>> in sbi.
>
> All the parameters that fat_time_fat2unix() cares in sbi is accessed through
>
> static inline int fat_tz_offset(struct msdos_sb_info *sbi)
> {
> return (sbi->options.tz_set ?
> -sbi->options.time_offset :
> sys_tz.tz_minuteswest) * SECS_PER_MIN;
> }
>
> Both the sbi fields sbi->options.tz_set and sbi->options.time_offset
> are set by the call to parse_options(). And, parse_options() is called
> before the calls to fat_time_fat2unix().:
>
> int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat,
> void (*setup)(struct super_block *))
> {
> <snip>
>
> error = parse_options(sb, data, isvfat, silent, &debug, &sbi->options);
> if (error)
> goto out_fail;
>
> <snip>
>
> sbi->prev_free = FAT_START_ENT;
> sb->s_maxbytes = 0xffffffff;
> fat_time_fat2unix(sbi, &ts, 0, cpu_to_le16(FAT_DATE_MIN), 0);
> sb->s_time_min = ts.tv_sec;
>
> fat_time_fat2unix(sbi, &ts, cpu_to_le16(FAT_TIME_MAX),
> cpu_to_le16(FAT_DATE_MAX), 0);
> sb->s_time_max = ts.tv_sec;
>
> <snip>
> }
>
> I do not see what the problem is.

Ouch, you are right. I was reading that patch wrongly, sorry.

Thanks.
--
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>

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